Abstract

The disclosure provides a thermal management apparatus. The apparatus includes a housing that defines a first air flow channel and a second air flow channel and an electroactive polymer actuator located within the housing, the electroactive polymer actuator configured to move in response to an activation signal. The electroactive polymer actuator defines a first chamber in fluid communication with the first air flow channel and defines a second chamber in fluid communication with the second air flow channel, the first and second chambers are fluidically isolated from each other. The electroactive polymer actuator is configured to oscillate when excited by the activation signal and eject pulses of air through the first and second air flow channels. An apparatus that includes two electroactive polymer actuators as well as method of generating air flow for thermal management also is disclosed.

IPC Classes  ?

• F04D 33/00 - Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type
• H01L 41/193 - Macromolecular compositions

Abstract

The disclosure provides a device (500) having first and second electroactive polymer actuators (5181,5182), each one of the electroactive polymer actuators comprising an electroactive polymer film, a pair of opposing compliant electrodes, and at least one mechanical output region. The mechanical output region is configured to move in response to an activation signal being applied to the electroactive polymer film to provide a movement. The first and second electroactive polymer actuators are independently tunable in frequency and amplitude to provide motion independently. Also disclosed are audio devices configured as over-the ear-headphones and in-the-ear headphones.

IPC Classes  ?

• H04R 17/00 - Piezoelectric transducers; Electrostrictive transducers
• H04R 1/10 - Earpieces; Attachments therefor
• A61H 23/02 - Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
• H04R 5/02 - Spatial or constructional arrangements of loudspeakers
• H04R 25/00 - Deaf-aid sets

Abstract

The invention relates to a layer structure having a protective layer and an exposed photopolymer layer, wherein the protective layer is obtainable by reacting a mixture comprising or consisting of at least one radiation-curing resin I), a multifunctional radiation-curing resin II) and a photoinitiator system III), and the radiation-curing resin I) includes ≤ 5% by weight of compounds having a weight-average molecular weight < 500 and ≥ 75% by weight of compounds having a weight-average molecular weight of > 1000, the multifunctional radiation-curing resin II) comprises or consists of at least one acrylate having at least two radiation-curing groups and the mixture includes at least 55% by weight of the radiation-curing resin I) and not more than 35% by weight of the multifunctional radiation-curing resin II). The invention additionally relates to a process for producing such a layer structure and to the use thereof.

IPC Classes  ?

• G11B 7/245 - Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
• G11B 7/254 - Record carriers characterised by the selection of the material of layers other than recording layers of protective topcoat layers

Abstract

The present invention relates to a method for producing a multiple-layer electro-active polymer film system from layers of dielectric polyurethane and conductive electrode layer which has a structure, in an alternating construction (multilayer/multiple-layer construction) which is suitable, in particular, for use in electromechanical transducers. A corona surface treatment is preferably used in the method. Further subjects of the invention are a dielectric polyurethane film system which can be obtained according to the method according to the invention and an electromechanical transducer which can be obtained according to said method.

IPC Classes  ?

• B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
• H01L 41/047 - Electrodes
• H01L 41/193 - Macromolecular compositions

Abstract

A process for preparing tin compounds by reacting elemental tin with a compound comprising hydroxyl groups. Formula (I). The process is characterized by the presence of an oxygen-comprising additive having a dielectric constant of > 5, at a temperature of 20-30°C. The additive is different than the compound comprising hydroxyl groups. Preferred additives are polar aprotic solvents molecules such as DMSO, DMF or sulfolane, amine N-oxides and/or pyridine N-oxide. Likewise claimed are compounds of the following formula (II). Particularly preferred products of the process are compounds of the following formula (III) and formula (IV).

IPC Classes  ?

• C07F 7/22 - Tin compounds
• B01J 31/26 - Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups
• C08G 18/24 - Catalysts containing metal compounds of tin

Abstract

The invention relates to a dispersion comprising a dispersion medium, a polymeric dispersing agent, and carbon nanotubes dispersed in the dispersion medium. The proportion of carbon nanotubes present in the form of agglomerates with an average agglomerate size of ≥ 1 μm to the total quantity of carbon nanotubes ≤ 10 vol%, and ≥ 70% of the carbon nanotubes which are not present in the agglomerated form have a length of ≥ 200 nm. the invention further relates to a method for producing such a dispersion, to a method for producing an electrode with the dispersion, to an electrode obtained in this manner, and to an electrochemical element containing the electrode.

IPC Classes  ?

• H01M 4/04 - Processes of manufacture in general
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• C01B 31/02 - Preparation of carbon; Purification
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/134 - Electrodes based on metals, Si or alloys
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries

Abstract

The invention relates to a method for producing a multi-layered reinforced concrete element (10), comprising at least one first concrete wall section (11) in composite with a reinforcement body (13), wherein the concrete element (10) comprises an insulating layer (14), which lies at least indirectly against the first concrete wall section (11), and wherein the reinforcement body (13) is formed at least partially so as to protrude from the first concrete wall section (11) and so as to penetrate the insulating layer (14), involving the following steps of: preparing the composite of the first concrete wall section (11) with the reinforcement body (13) that at least partially protrudes therefrom; preparing a fill (15), in particular in an upwardly open fill container (23); arranging the first concrete wall section (11) with the reinforcement body (13) arranged thereon over the surface of the fill (15) such that a protruding section (13') of the reinforcement body (13) is arranged on the underside of the first concrete wall section (11) and is only partially immersed into the fill (15) such that a vertical free space (16) remains between the surface of the fill (15) and the underside of the first concrete wall section (11); filling the free chamber (16) with a reaction mixture, and curing the reaction mixture (14) so as to form the insulating layer (14).

IPC Classes  ?

• B28B 7/34 - Moulds, cores, or mandrels of special material, e.g. destructible materials
• B28B 11/04 - Apparatus or processes for treating or working the shaped articles for coating
• B28B 19/00 - Machines or methods for applying the material to surfaces to form a permanent layer thereon
• B28B 23/02 - Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material wherein the elements are reinforcing members

Abstract

The invention relates to a method for producing compositions containing vinyl-aromatic copolymers which are obtained in an emulsion polymerization process and comprise production-related salt inclusions. Said compositions are characterized by an improved surface quality once the granulates have been moistened by bringing same in contact with liquid water and have been stored in said water, thus making the compositions suitable for producing molded articles having a class A surface that remains flawless over time.

IPC Classes  ?

• C08F 6/00 - Post-polymerisation treatments
• C08F 6/28 - Purification
• C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates
• C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers

Abstract

The present invention relates to the improvement of the maximum processing temperature of plastic substrates, in particular polymer films.

IPC Classes  ?

• C08J 7/04 - Coating
• C09D 167/07 - Unsaturated polyesters having carbon-to-carbon unsaturation having terminal carbon-to-carbon unsaturated bonds
• C09D 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds

Abstract

The invention relates to a method for producing compositions containing vinyl-aromatic copolymers which are obtained in an emulsion polymerization process and comprise production-related salt inclusions. Said compositions are characterized by an improved surface quality once the extruded polymer, before being granulated, or the granulate, after being granulated, has been moistened by bringing the polymer in contact with liquid water in a water bath, a tube system filled with water, or a dipping tank, thus making the compositions suitable for producing molded articles having a class A surface that remains flawless over time.

IPC Classes  ?

• C08F 2/22 - Emulsion polymerisation
• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• C08F 6/00 - Post-polymerisation treatments
• C08F 6/28 - Purification
• C08K 3/00 - Use of inorganic substances as compounding ingredients
• C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
• C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Abstract

The invention relates to a method for producing compositions containing vinyl-aromatic copolymers that are obtained in an emulsion polymerization process and comprise production-related salt inclusions. Said compositions are characterized by improved surface quality following storage in a warm-humid environment and are therefore suitable for producing molded articles having a class A surface that remains flawless over time.

IPC Classes  ?

• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• C08F 6/00 - Post-polymerisation treatments
• C08F 6/28 - Purification
• C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates
• C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
• C08L 25/12 - Copolymers of styrene with unsaturated nitriles

Abstract

The invention relates to a method for separating an isocyanate, which was produced by reacting a primary amine with an excess of phosgene in the gas phase, from the gaseous raw product obtained in the reaction, wherein (i) the gaseous raw product is partially liquefied by bringing the gaseous raw product in contact with a quenching liquid, (ii) the gas phase obtained in step (i) is partially condensed, (iii) the condensate obtained in step (ii) is used as quenching liquid in step (i), (iv) the portions of the gas phase not condensed in step (ii) are at least partially liquefied, (v) the liquid phase obtained in step (iv) likewise is used as quenching liquid in step (i), and (vi) the liquid phase obtained in step (i) is processed into pure isocyanate without prior use as quenching liquid.

IPC Classes  ?

• C07C 263/20 - Separation; Purification
• C07C 265/14 - Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton

Abstract

Specific substituted triazine UV absorbers can be transesterified with hydroxyalkyl(meth)acrylates in a one-stage synthesis (I) in the presence of catalysts and polymerization inhibitors.

IPC Classes  ?

• C07D 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms

Abstract

The present invention relates to UV absorber-containing urethane acrylate, a method for its production and use thereof. According to the invention, the UV absorber is chemically bonded to the system. The UV absorber-containing urethane acrylate is according to formula (I).

IPC Classes  ?

• C07D 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
• C08G 18/81 - Unsaturated isocyanates or isothiocyanates

Abstract

The present invention relates to a two-stage method for producing an organic UV absorber that comprises a (meth)acrylate group in the molecule and that is therefore especially suitable for curable protective UV coatings. An example of the method of production is: formula (A).

IPC Classes  ?

• C07D 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
• G03C 1/815 - Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching agents

Abstract

The present invention relates to a coating composition comprising: a) one or more aliphatic polymer precursors selected from the components A.1 and optionally A.2: A.1) aliphatic oligomers that comprise urethane or ester bonds and at least two acrylate functions per molecule, or mixtures of such oligomers, and A.2) aliphatic reactive diluents with at least two acrylate groups per molecule, or mixtures of such reactive diluents, b) optionally one or more finely divided inorganic compounds, c) an organic UV absorber, d) optionally a HALS free radical scavenger; e) optionally one or more flow control agents, f) optionally one or more solvents, and g) a photoinitiator. The invention further relates to a method for coating a substrate, to the resulting coated substrates and to the use of the coated substrates. UV absorbers C) are those according to formula (Ia) and (Ib), B-X-O-C(=O)-C(R)=CH2 (formula (Ib)), wherein B is (I).

IPC Classes  ?

• C09D 167/06 - Unsaturated polyesters having carbon-to-carbon unsaturation
• C09D 175/14 - Polyurethanes having carbon-to-carbon unsaturated bonds
• C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
• C08K 5/00 - Use of organic ingredients
• C08K 5/34 - Heterocyclic compounds having nitrogen in the ring
• C08K 5/3492 - Triazines

Abstract

The invention relates to a method for producing a security element having a holographic layer in which a hologram is arranged, characterized by at least the following steps: a) providing the holographic layer; b) exposing the holographic layer at least in sections via a master hologram to produce a hologram copy in the holographic layer; c) printing the holographic layer at least in sections with an ink, forming a printed feature, wherein the ink comprises the melt of a dye or a colorless component or a solvent and a dye dissolved therein or a colorless component dissolved therein; d) fixing the exposed holographic layer to produce the hologram in the holographic layer, wherein the printed feature and the hologram are arranged in the holographic layer such that the printed feature and the hologram overlap at least in sections. The invention further relates to a security feature which is produced or can be produced by said method.

IPC Classes  ?

• C07C 211/63 - Quaternary ammonium compounds having quaternised nitrogen atoms bound to acyclic carbon atoms
• C07C 215/40 - Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton with quaternised nitrogen atoms bound to carbon atoms of the carbon skeleton
• C07C 309/17 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing carboxyl groups bound to the carbon skeleton
• G03H 1/18 - Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
• G03H 1/00 - HOLOGRAPHIC PROCESSES OR APPARATUS - Details peculiar thereto
• B42D 15/00 - Printed matter of special format or style not otherwise provided for
• C09D 11/00 - Inks
• G03H 1/20 - Copying holograms by holographic means
• G03H 1/22 - Processes or apparatus for obtaining an optical image from holograms

Abstract

The present invention relates to a polyester polyurethane material with long term hydrolysis resistance which is prepared from perchlorates and a polyester polyol comprising structure unit I, II, and III. The polyester polyurethane material having a mole ratio of structure unit II to III of 1:1.5 to 1.5:1 has better long term hydrolysis resistance. In another aspect of the present invention, there is provided soles, carpets, rollers, sealing strips, coating, tires, wipers, steering wheels or gaskets prepared from the polyester polyurethane material, and a use of the polyester polyurethane material.

IPC Classes  ?

• C08G 18/66 - Compounds of groups , , or
• C08K 3/16 - Halogen-containing compounds
• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain

Abstract

The invention relates to a datasheet (1) for integrating into a preferably book-like security and/or value document. The datasheet (1) is made of at least two stacked layers (2, 3) made of an organic polymer material. A textile (5) is arranged at least in a sub-region between the layers (2, 3) and outside of the layers (2, 3) so as to form a tab (4), and the textile (5) is at least partly coated on one or both sides and/or saturated with an organic binder (6) at least in the region between the layers (2, 3) and is bonded to the two layers (2, 3) by means of the binder (6).

IPC Classes  ?

• B42D 15/00 - Printed matter of special format or style not otherwise provided for
• B42D 25/00 - Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof

Abstract

The invention relates to a method for producing at least one multilayer electromechanical transducer (44), having the steps of providing at least one dielectric elastomer film (10, 16, 22, 30, 46), applying at least one electrode layer (12, 18, 20, 24, 26, 28, 42) onto at least one first part (16.1, 16.4, 22.1) of the elastomer film (10, 16, 22, 30, 46) in an application step, arranging the elastomer film (10, 16, 22, 30, 46) on a receiving surface (4) of a folding device (2), said folding device (2) having a first plate (2.1) and a second plate (2.2), fixing the elastomer film (10, 16, 22, 30, 46) on the receiving surface (4), and folding the first part (16.1, 16.4, 22.1) of the elastomer film (10, 16, 22, 30, 46) onto another part (16.2, 16.3, 22.3) of the elastomer film (10, 16, 22, 30, 46) in a folding step by folding the first plate (2.1) relative to the second plate (2.2) such that the electrode layer (12, 18, 20, 24, 26, 28, 42) is arranged between the first part (16.1, 16.4, 22.1) of the elastomer film (10, 16, 22, 30, 46) and the second part (16.2, 16.3, 22.3) of the elastomer film (10, 16, 22, 30, 46).

IPC Classes  ?

• H01L 41/047 - Electrodes
• H01L 41/083 - Piezo-electric or electrostrictive elements having a stacked or multilayer structure
• H01L 41/193 - Macromolecular compositions
• H01L 41/27 - Manufacturing multilayered piezo-electric or electrostrictive devices or parts thereof, e.g. by stacking piezo-electric bodies and electrodes
• H01L 41/297 - Individual layer electrodes of multilayered piezo-electric or electrostrictive parts

Abstract

The invention relates to at least partly transparent or translucent molded plastic parts for producing noise protection walls, facade components, and glazings which ensure effective bird protection. In particular, the invention relates to molded plastic parts comprising g) at least one substrate layer (matrix/base layer) containing at least one thermoplastic polymer, wherein the substrate layer comprises a base layer and a coextrusion layer adjoining said base layer, said coextrusion layer comprising at least one IR absorber; a) optionally at least one cover layer on at least one face of the substrate layer; and b) optionally a primer or an intermediate layer between the layers a) and b). The invention is characterized in that the molded plastic part has markings in the substrate layer, said markings reducing the transparency of the molded part in the wavelength range of 380 to 780 nm in the marked regions.

IPC Classes  ?

• A01M 29/08 - Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like using reflection, colours or films with specific transparency or reflectivity
• B32B 5/14 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
• B23K 26/36 - Removing material
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
• B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin

Abstract

The present invention relates to a rear-projection film having a "day/night" effect and containing at least two layers, wherein said rear-projection film contains at least one grey layer containing at least one thermoplastic material having a transmittance in the visible wavelength range of 10% to 70% and at least one layer containing at least one thermoplastic material and scattering particles, and to the use of said films as rear-projection surfaces in vehicle interiors.

IPC Classes  ?

• G03B 21/56 - Projection screens
• G03B 21/60 - Projection screens characterised by the nature of the surface
• B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising acrylic resin
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
• B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes

Abstract

The invention relates to a method for producing an LED fluorescent tube (1) and an LED fluorescent tube (1) of this kind, comprising a tube body (11) that extends in a longitudinal axis (10), an LED light module (12) being arranged in the tube body (11). The tube body (11) is produced in a co-extrusion process from a translucent plastic component (A) in order to form a partial tube body (13) on the irradiation side and from a non-translucent plastic component (B) in order to form a partial tube body (14) on the rear side.

IPC Classes  ?

• F21K 99/00 - Subject matter not provided for in other groups of this subclass
• F21S 4/00 - Lighting devices or systems using a string or strip of light sources
• F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
• F21Y 103/00 - Elongate light sources, e.g. fluorescent tubes

Abstract

The invention relates to a method for producing NCO-modified polyoxymethylene block copolymers comprising the step of polymerizing formaldehyde in a reaction vessel in the presence of a catalyst, the polymerization of formaldehyde in addition taking place in the presence of a starter compound comprising at least 2 Zerewitinoff active H atoms to obtain an intermediate product. The intermediate product obtained is reacted further with an isocyanate to obtain an NCO-modified polyoxymethylene block copolymer. The invention also relates to NCO-modified polyoxymethylene block copolymers obtained by a method of this type and to the use of said copolymers for producing polyurethane polymers.

IPC Classes  ?

• C08G 18/56 - Polyacetals
• C08G 18/71 - Monoisocyanates or monoisothiocyanates
• C08G 2/28 - Post-polymerisation treatments

Abstract

The present application relates to a method for the continuous production of diaryl carbonate from phosgene and of at least one monohydroxy compound (monophenol) in the presence of catalysts, and to the use thereof for the production of polycarbonates.

IPC Classes  ?

• C07C 68/02 - Preparation of esters of carbonic or haloformic acids from phosgene or haloformates

Abstract

The invention relates to subduedly coloured, infrared-reflective polycarbonate moulding compounds that have high melt stability in conjunction with high reflectivity in the IR range and good weathering resistance, containing at least one IR-reflective inorganic pigment and at least one stabiliser, and further relates to the production and use of the polymer compositions as per the invention and the products thereof, in particular multilayer bodies. The invention further relates to the use of the polymer compositions as per the invention for producing roofs, panels, coverings and frames, in particular for use in buildings, motor vehicles and rail vehicles.

IPC Classes  ?

• C08K 5/00 - Use of organic ingredients
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08K 3/00 - Use of inorganic substances as compounding ingredients
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Abstract

The present invention relates to coloured moulding compounds on the basis of polycarbonate. The invention particularly relates to polycarbonate compositions containing special organic colorants with high colour stability against weathering as a result of using special stabilisers on the basis of phosphate. The invention further relates to a polymer composition containing at least one thermoplastic substance, at least one organic colorant, preferably a combination of at least two organic colorants of special structure, and at least one stabiliser on the basis of phosphate. The invention further relates to the use of the colorant/stabiliser combination of the invention to colour polymer compositions, in particular for transparent uses, as required for producing panels for use in buildings, motor vehicles, rail vehicles or aircraft.

IPC Classes  ?

• C08K 5/00 - Use of organic ingredients
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4

Abstract

The invention relates to a method for producing functionalized polyoxymethylene block copolymers comprising the step of polymerizing formaldehyde in a reaction vessel in the presence of a catalyst, the polymerization of formaldehyde in addition taking place in the presence of a starter compound comprising at least 2 Zerewitinoff active H atoms, to obtain an intermediate product. The intermediate product obtained is subsequently reacted with a cyclic carboxylic acid ester or carbonic acid ester, thus obtaining a functionalized polyoxymethylene block copolymer. The invention further relates to functionalized polyoxymethylene block copolymers obtained by such a method and to the use of said copolymers.

IPC Classes  ?

• C08G 2/38 - Block or graft polymers prepared by polymerisation of aldehydes or ketones on to macromolecular compounds
• C08G 18/48 - Polyethers
• C08G 18/56 - Polyacetals
• C08G 65/16 - Cyclic ethers having four or more ring atoms
• C08G 65/331 - Polymers modified by chemical after-treatment with organic compounds containing oxygen
• C08G 65/332 - Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides or esters thereof

Abstract

The invention relates to a method for producing non-alternating formaldehyde/CO2 copolymers, said method comprising the step of reacting formaldehyde or a compound that releases formaldehyde with carbon dioxide in the presence of a catalyst system. Said method is characterised in that the catalyst system comprises a Lewis acid component and a basic component, the Lewis acid component being at least temporarily coordinatively unsaturated under reaction conditions and the basic component having a pKb value of ≥ 0.

IPC Classes  ?

• C08G 6/00 - Condensation polymers of aldehydes or ketones only
• C08F 16/12 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical by an ether radical
• C08G 4/00 - Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—
• C08L 61/00 - Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers

Abstract

Disclosed is a multi-layer body with high weathering resistance comprising (a) a substrate layer containing at least one thermoplastic polymer (b) one cover layer on at least one side of the substrate layer, characterised in that the substrate layer further contains: (a1) at 0.02 wt.% to 0.2 wt%, at least one colorant on the basis of anthraquinone of structure (1) or (2) with structure (1), R1 and R2 standing, independently of each other, for H, OH, OR5 NH2 and NHR5, R5 being selected from alkyl, cycloalkyl, phenyl and substituted and annulated phenyls, and R3 standing for H, alkyl, alkoxy, and R4 standing for H, OH and p-methylphenyl-NH-; and with structure (2): (a2) at 0.01 wt% to 1.00 wt.%, one or a plurality of demoulders, and the cover layer consisting of a coating on the basis of polysiloxane or on the basis of polyacrylate or on the basis of polyurethane acrylate, containing at least one UV-absorber and having a layer thickness of 2 - 15μm.

IPC Classes  ?

• C08J 7/04 - Coating
• B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
• C08K 5/00 - Use of organic ingredients
• C08K 5/08 - Quinones
• B05D 7/04 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
• B32B 7/00 - Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical propert; Layered products characterised by the interconnection of layers

Abstract

A noise canceling system and method for an over-the-ear headphone is provided. The system and method provide a microphone configured to detect a first acoustic signal generated by a source external to the headphone and to produce a first electrical signal corresponding to the first acoustic signal, the first electrical signal having an amplitude, frequency, and phase representative of the first acoustic signal, An electroactive polymer actuator is electrically coupled to the microphone and configured to receive a second electrical signal having an amplitude and frequency substantially equal to the amplitude and frequency of the first electrical signal and a phase that is 180 degrees out-of-phase with the first electrical signal. The electroactive polymer actuator is configured to move in response to the second electrical signal and produce a second acoustic signal having an amplitude and frequency substantially equal to the first acoustic signal and a phase that is about. 180 degrees out-of-phase with the first acoustic signal.

IPC Classes  ?

• H04R 1/10 - Earpieces; Attachments therefor
• H04R 19/02 - Loudspeakers
• H04R 5/033 - Headphones for stereophonic communication
• G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
• A61F 11/14 - Protective devices for the ears external, e.g. earcaps or earmuffs

Abstract

An apparatus is disclosed. The apparatus includes a housing (102), an element (104) comprising a surface, and a pre-formed membrane (106) positioned between the surface and the housing to form a seal between the surface and the housing. The apparatus may include at least one electroactive polymer actuator (200) positioned proximate to and in contact with the surface to provide haptic feedback in response to a user's stimulus.

IPC Classes  ?

• G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
• G06F 3/02 - Input arrangements using manually operated switches, e.g. using keyboards or dials
• G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• H01H 13/86 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the casing, e.g. sealed casings or casings reducible in size

Abstract

The invention relates to insulating glass units having high thermal insulation and reduced transmissivity for IR radiation comprising at least two spaced-apart glass panes and at least one spaced-apart sheet of special polycarbonate containing a gas mixture within these units.

IPC Classes  ?

• B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
• E06B 3/66 - Units comprising two or more parallel glass or like panes in spaced relationship, the panes being permanently secured together, e.g. along the edges
• C08K 3/00 - Use of inorganic substances as compounding ingredients
• C08K 3/20 - Oxides; Hydroxides
• C08K 3/22 - Oxides; Hydroxides of metals
• C08K 3/38 - Boron-containing compounds

Abstract

The invention relates to flame-retardant, impact-modified polycarbonate (PC) compositions and molding materials that have good mechanical properties, good chemical resistance, and high hydrolysis stability, containing: A) 80 - 98 parts by weight of aromatic polycarbonate and/or aromatic polyester carbonate, B) 0.5 - 6.0 parts by weight of rubber-modified graft polymer, C) 0.8 - 5.0 parts by weight of at least one cyclic phosphazene according to formula (X), wherein k stands for 1 or an integer number from 1 to 10, preferably for a number from 1 to 8, especially preferably 1 to 5, wherein the trimer portion (k=1) is 60 to 98 mol % with respect to component C and wherein each R is the same or different and stands for an amine residue, C1 to C8 alkyl, preferably methyl, ethyl, propyl, or butyl, which is optionally halogenated, preferably halogenated with fluorine, C1 to C8 alkoxy, preferably methoxy, ethoxy, propoxy, or butoxy, C5 to C6 cycloalkyl, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine and/or bromine, C6 to C20 aryloxy, preferably phenoxy or naphthyloxy, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine or bromine, and/or with hydroxy, C7 to C12 aralkyl, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine and/or bromine, preferably phenyl C1 to C4 alkyl, or a halogen residue, preferably chlorine, or an OH residue, D) 0 - 5.0 parts by weight of rubber-free vinyl (co)polymer or polyalkylene terephthalate, E) 0 - 15.0 parts by weight of additives, F) 0.05 - 1.0 parts by weight of anti-dripping agent, wherein all specifications of parts by weight are normalized in such a way that the sum of the parts by weight of all components A+B+C+D+E+F in the composition is 100. The invention further relates to the use of the compositions to produce molded bodies and the molded bodies produced from the compositions.

IPC Classes  ?

• C08K 5/5399 - Phosphorus bound to nitrogen
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Abstract

The invention relates to flame-retardant, impact-modified, high-temperature-stable polycarbonate (PC) compositions and molding materials that have high hydrolysis stability, containing A) 48 - 95 parts by weight of aromatic polycarbonate and/or aromatic polyester carbonate, B) 1.0 - 20.0 parts by weight of rubber-modified graft polymer, C) 1.0 - 20.0 parts by weight of at least one cyclic phosphazene according to formula (X), wherein k stands for 1 or an integer number from 1 to 10, preferably for a number from 1 to 8, especially preferably 1 to 5, wherein the trimer portion (k=1) is 60 to 98 mol % with respect to component C and wherein each R is the same or different and stands for an amine residue, C1 to C8 alkyl, preferably methyl, ethyl, propyl, or butyl, which is optionally halogenated, preferably halogenated with fluorine, C1 to C8 alkoxy, preferably methoxy, ethoxy, propoxy, or butoxy, C5 to C6 cycloalkyl, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine and/or bromine, C6 to C20 aryloxy, preferably phenoxy or naphthyloxy, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine or bromine, and/or with hydroxy, C7 to C12 aralkyl, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine and/or bromine, preferably phenyl C1 to C4 alkyl, or a halogen residue, preferably chlorine, or an OH residue, D) 1.0 - 7.0 parts by weight of at least one organic flame-retardant agent which contains phosphorus and is different from C, E) 0 - 15.0 parts by weight of rubber-free vinyl (co)polymer or polyalkylene terephthalate, F) 0 - 15.0 parts by weight of additives, G) 0.05 - 5.0 parts by weight of anti-dripping agent, wherein all specifications of parts by weight are preferably normalized in such a way that the sum of the parts by weight of all components A+B+C+D+E+F+G in the composition is 100 and at least 50% of the phosphorus amount of the total composition comes from component C. The invention further relates to the use of the compositions to produce molded bodies and the molded bodies produced from the compositions.

IPC Classes  ?

• C08K 5/5399 - Phosphorus bound to nitrogen
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Abstract

An apparatus (200) is disclosed. The apparatus includes a rigid frame (206), an electroactive polymer film (204) defining an aperture (202) where the electroactive polymer film has a first and second side. A first electrode is located on the first side of the electroactive polymer film and a second electrode is located on the second side of the electroactive polymer film. The aperture is configured to deform upon the application of an electric voltage potential to the first and second electrodes. A method of making an electroactive device is also disclosed. The method includes positioning an electroactive polymer film within a rigid frame and forming an aperture within the electroactive polymer film.

IPC Classes  ?

• H01L 41/09 - Piezo-electric or electrostrictive elements with electrical input and mechanical output
• H01L 41/338 - Shaping or machining of piezo-electric or electrostrictive bodies by machining by cutting or dicing

Abstract

The invention relates to flame-retardant, impact-modified, high-temperature-stable polycarbonate (PC)-ABS compositions and molding materials that have a high modulus of elasticity, good flowability, and high hydrolysis stability, containing: A) 55 - 95 parts by weight of aromatic polycarbonate and/or aromatic polyester carbonate, B) 1.0 - 20.0 parts by weight of rubber-modified graft polymer, C) 1.0 - 20.0 parts by weight of at least one cyclic phosphazene according to formula (X), wherein k stands for 1 or an integer number from 1 to 10, preferably for a number from 1 to 8, especially preferably 1 to 5, wherein the trimer portion (k=1) is 60 to 98 mol % with respect to component C and wherein each R is the same or different and stands for an amine group, C1 to C8 alkyl, preferably methyl, ethyl, propyl, or butyl, which is optionally halogenated, preferably halogenated with fluorine, C1 to C8 alkoxy, preferably methoxy, ethoxy, propoxy, or butoxy, C5 to C6 cycloalkyl, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably chlorine and/or bromine, C6 to C20 aryloxy, preferably phenoxy or naphthyloxy, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine or bromine, and/or with hydroxy, C7 to C12 aralkyl, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine and/or bromine, preferably phenyl C1 to C4 alkyl, or a halogen group, preferably chlorine, or an OH group, D) 0 - 15 parts by weight of rubber-free vinyl (co)polymer or polyalkylene terephthalate, E) 0 - 15 parts by weight of additives, F) 0.05 - 5.0 parts by weight of anti-dripping agent, wherein all specifications of parts by weight are normalized in such a way that the sum of the parts by weight of all components A+B+C+D+E+F in the composition is 100. The invention further relates to the use of the compositions to produce molded bodies and the molded bodies produced from the compositions.

IPC Classes  ?

• C08K 5/5399 - Phosphorus bound to nitrogen
• C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Abstract

The invention relates to flame-retardant, impact-modified polycarbonate (PC) compositions and moulding materials which display good mechanical properties, good chemical resistance and high hydrolysis stability, and contain: A) 95.0 parts by weight of aromatic polycarbonate and/or aromatic polyester carbonate; B) 1.0 - 15.0 parts by weight of rubber-modified graft polymerisates; C) 1.0 - 9.5 parts by weight of at least one cyclic phosphazene according to formula (X), in which k stands for 1 or a whole number from 1 to 10, preferably a number from 1 to 8 and particularly from 1 to 5, in which the proportion of trimers (k=1) lies between 60 and 98 mol.-% in relation to component C, and where R is the same or different in each case and stands for an amine group, C1- to C8-alkyl that, if required, is halogenated, preferably halogenated with fluorine and is preferably methyl, ethyl, propyl or butyl, C1-to C8 alkoxy, preferably methoxy, ethoxy, propoxy or butoxy, C5-to C6-cycloalkyl which, if required, is substituted with alkyl, preferably C1-C4-alkyl and/or halogen, preferably chlorine and/or bromine, C6-to C20-aryloxy which, if required, is substituted with alkyl, preferably C1-C4-alkyl, and/or halogen, preferably chlorine, bromine and/or hydroxy, and is preferably phenoxy, naphthyloxy, C7-to C12-aralkyl which, if required, is substituted with alkyl, preferably C1-C4-alkyl and/or halogen, preferably chlorine and/or bromine, and is preferably phenyl-Ci-C/i-alkyl, or a halogen group, preferably chlorine, or an OH group; D) 0 - 15.0 parts by weight of rubber-free vinyl(co)polymerisate polyalkylene terephthalate; E) 1.0 - 25.0 parts by weight of talc with an average particle size dso between 0.1 and 4.0 μm; F) 0 - 5.0 parts by weight of additives; and G) 0.05 to 5.0 parts by weight of an anti-dripping agent; in which all the weight part indications are standardised such that the sum of the weight parts of all the components A+B+C+D+E+F+G in the composition equals 100. The application also relates to the use of the compositions for producing moulded elements, as well as to the moulded elements produced from said compositions.

IPC Classes  ?

• C08K 3/34 - Silicon-containing compounds
• C08K 5/5399 - Phosphorus bound to nitrogen
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Abstract

The invention relates to flame-retardant, impact-modified polycarbonate (PC) compositions and molding materials that have a property combination of excellent mechanical properties, very good flame resistance, high hydrolysis stability, and high chemical resistance (ESC behavior), containing: A) 60 - 95 parts by weight of aromatic polycarbonate and/or aromatic polyester carbonate, B) 1.0 - 15.0 parts by weight of rubber-modified graft polymer, C) 1.0 - 20.0 parts by weight of at least one cyclic phosphazene according to formula (X), wherein k stands for 1 or an integer number from 1 to 10, preferably for a number from 1 to 8, especially preferably 1 to 5, wherein the trimer portion (k=1) is 60 to 98 mol % with respect to component C and wherein each R is the same or different and stands for an amine residue, C1 to C8 alkyl, preferably methyl, ethyl, propyl, or butyl, which is optionally halogenated, preferably halogenated with fluorine, C1 to C8 alkoxy, preferably methoxy, ethoxy, propoxy, or butoxy, C5 to C6 cycloalkyl, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine and/or bromine, C6 to C20 aryloxy, preferably phenoxy or naphthyloxy, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine or bromine, and/or with hydroxy, C7 to C12 aralkyl, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine and/or bromine, preferably phenyl C1 to C4 alkyl, or a halogen residue, preferably chlorine, or an OH residue, D) 0 - 15 parts by weight of rubber-free vinyl (co)polymer or polyalkylene terephthalate, E) 0 - 15 parts by weight of additives, F) 0.05 - 5.0 parts by weight, preferably 0.1 to 2.0 parts by weight, especially preferably 0.1 to 1.0 parts by weight, of anti-dripping agent, wherein all specifications of parts by weight are normalized in such a way that the sum of the parts by weight of all components A+B+C+D+E+F in the composition is 100. The invention further relates to the use of the compositions to produce molded bodies and the molded bodies produced from the compositions.

IPC Classes  ?

• C08K 5/5399 - Phosphorus bound to nitrogen
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Abstract

The invention relates to flame-retardant, impact-modified polycarbonate (PC) compositions and molding materials that have good mechanical properties, good chemical resistance, and high hydrolysis stability, containing: A) 60 - 95 parts by weight of aromatic polycarbonate and/or aromatic polyester carbonate, B) 1.0 - 15.0 parts by weight of rubber-modified graft polymer, C) 1.0 - 14.5 parts by weight of at least one cyclic phosphazene according to formula (X), wherein k stands for 1 or an integer number from 1 to 10, preferably for a number from 1 to 8, especially preferably 1 to 5, wherein the trimer portion (k=1) is 60 to 98 mol % with respect to component C and wherein each R is the same or different and stands for an amine residue, C1 to C8 alkyl, preferably methyl, ethyl, propyl, or butyl, which is optionally halogenated, preferably halogenated with fluorine, C1 to C8 alkoxy, preferably methoxy, ethoxy, propoxy, or butoxy, C5 to C6 cycloalkyl, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine and/or bromine, C6 to C20 aryloxy, preferably phenoxy or naphthyloxy, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine or bromine, and/or with hydroxy, C7 to C12 aralkyl, which is optionally substituted with alkyl, preferably with C1 to C4 alkyl, and/or with halogen, preferably with chlorine and/or bromine, preferably phenyl C1 to C4 alkyl, or a halogen residue, preferably chlorine, or an OH residue, D) 0 - 15.0 parts by weight of rubber-free vinyl (co)polymer or polyalkylene terephthalate, E) 0 - 15.0 parts by weight of additives, F) 0.05 - 5.00 parts by weight of anti-dripping agent, wherein all specifications of parts by weight preferably are normalized in such a way that the sum of the parts by weight of all components A+B+C+D+E+F in the composition is 100. The invention further relates to the use of the compositions to produce molded bodies and the molded bodies produced from the compositions.

IPC Classes  ?

• C08K 5/5399 - Phosphorus bound to nitrogen
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Abstract

The invention relates to a method for producing flexible moulded polyurethane foams (flexible moulded PU foams) with horizontally disposed zones of different hardness, the method being implemented in such a way that at least two fluid reaction mixtures, forming foams with different hardnesses, are introduced in succession in horizontal disposition, in layer form, into the moulding cavity, with at least one fluid reaction mixture being freely foamed, before at least one further foam-forming fluid reaction mixture is introduced into the moulding cavity.

IPC Classes  ?

• C08G 18/40 - High-molecular-weight compounds
• C08G 18/63 - Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• B29C 44/04 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
• C08G 18/48 - Polyethers
• C08G 101/00 - Manufacture of cellular products

Abstract

The present invention relates to a process for producing flexible polyurethane (PUR) foams with high comfort value and low hysteresis losses produced by reacting organic polyisocyanates containing di- and polyisocyanates of the diphenylmethane (MDI) group with polyoxyalkylene polyethers.

IPC Classes  ?

• C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
• C08G 18/66 - Compounds of groups , , or
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• C08G 101/00 - Manufacture of cellular products

Abstract

The present invention relates to a continuous process for producing lower dialkyl carbonates as a main product and alkylene glycol as a by-product by transesterification of a cyclic alkylene carbonate (e.g. ethylene or propylene carbonate) with lower alkyl alcohols in the presence of a catalyst and also the necessary purification of the dialkyl carbonate in a subsequent process step. For optimization of the economic efficiency and energy efficiency of the process, additional devices are used for intermediate heating of the internal liquid streams within the apparatus.

IPC Classes  ?

• C07C 27/00 - Processes involving the simultaneous production of more than one class of oxygen-containing compounds
• C07C 68/06 - Preparation of esters of carbonic or haloformic acids from organic carbonates
• C07C 69/96 - Esters of carbonic or haloformic acids
• C07C 29/128 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by alcoholysis
• C07C 31/20 - Dihydroxylic alcohols

Abstract

The invention relates to a method for producing composite components and comprises the steps: - providing a moulded article core; and bringing at least a part of the moulded article core into contact with a polyurethane/polyisocyanurate reaction mixture, wherein a negative pressure p1 is applied during the contacting to at least the exterior of the moulded article core, at least temporarily. A positive pressure p2 is applied to at least the exterior of the moulded body core if a time t1 has elapsed since bringing the moulded article core into contact with the polyurethane/polyisocyanurate reaction mixture and/or a temperature T1 is achieved in the polyurethane/polyisocyanurate reaction mixture that contacts the moulded article core.

IPC Classes  ?

• C08G 18/48 - Polyethers
• B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• C08G 18/20 - Heterocyclic amines; Salts thereof

Abstract

The present invention relates to a method for the production of oxazolidinone compounds, comprising the step of slowly reacting an isocyanate compound with an epoxide compound in the presence of a Lewis acid catalyst. The invention further relates to an oxazolidinone compound, obtainable by a method according to the invention, with a colour as determined according to ASTM D1209 - 05 (2011) of ≤ 200 and a molar ratio of the oxazolidinone compound to isocyanurate by¬ product o/i of ≥ 85/15. Lastly, the invention relates to an oligomeric or polymeric oxazolidinone compound, obtainable by a method according to the invention using an isocyanate compound with two or more NCO groups per molecule and an epoxide compound with two or more epoxy groups per molecule, comprising at least two units derived from the isocyanate compound and at least two units derived from the epoxide compound, with a colour as determined according to ASTM D1209 - 05 (2011) of ≤ 200.

IPC Classes  ?

• C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
• C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used

Abstract

The invention relates to a method of generating a recombinant host strain for producing phenol, comprising the steps of a) providing a host comprising chorismate, b) transforming said host with a first nucleic acid sequence comprising ubiC (SEQ ID NO: 1) encoding chorismate lyase that converts chorismate to 4-hydroxybenzoate, and c) transforming said host with a second nucleic acid sequence encoding an oxygen-tolerant 4-hydroxybenzoate decarboxylase that converts 4- hydroxybenzoate to phenol, thereby generating a recombinant host that is capable of producing phenol under aerobic conditions, wherein step b) and step c) are carried out simultaneously or sequentially. The invention also provides the recombinant host strain for producing phenol obtainable by the aforementioned method, as well as a method of producing phenol in said recombinant host strain.

IPC Classes  ?

• C12N 9/88 - Lyases (4.)
• C12P 7/22 - Preparation of oxygen-containing organic compounds containing a hydroxy group aromatic

Abstract

The present invention relates to a device for separating two immiscible phases and/or for extracting one phase with another phase (phase separation or extraction device), comprising at least one vessel for receiving the at least two phases, at least one pipe for supplying a fluid to the vessel, at least one pipe for discharging a fluid from the vessel, and at least one arrangement comprising a transparent disk for observing the separation operation or the extraction operation, wherein at least the side of the transparent disk that faces the phases to be separated or extracted consists of sapphire (sapphire glass) or mica (mica disk), and to the use of such a device in the preparation of di- and polyamines of the diphenylmethane series.

IPC Classes  ?

• B01D 17/12 - Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits

Abstract

The present invention relates to a method for producing polyether carbonate polyols, wherein: (i) in a first step, (a) carbon dioxide and propylene oxide or (b) carbon dioxide and a mixture of propylene oxide and at least one further alkylene oxide in a ratio by weight of > 90:10 are attached to one or more H-functional starting substances in the presence of at least one DMC catalyst; (ii) in a second step, the reaction mixture obtained from step (i) is (ii-1) first chain-lengthened with a mixture containing propylene oxide (PO) and ethylene oxide (EO) in a PO/EO ratio by weight of 90/10 to 20/80 in the presence of at least one DMC catalyst, (ii-2) then the resulting mixture is chain-lengthened with a mixture containing propylene oxide (PO) and ethylene oxide (EO) in a PO/EO ratio by weight of 60/40 to 2/98 in the presence of at least one DMC catalyst; and (iii) the polyether carbonate polyol resulting from step (ii) is chain-lengthened with ethylene oxide or a mixture of propylene oxide (PO) and ethylene oxide (EO) in a PO/EO ratio by weight of 5/95 to 0.1/99.9 in the presence of at least one DMC catalyst, wherein the portion by weight of EO in the mixture containing PO and EO in step (ii-2) is higher than the portion by weight of EO in the mixture containing PO and EO in step (ii-1). The invention further relates to polyether carbonate polyols obtainable according to this method and to the processing of the polyether carbonate polyols for producing polyurethane soft foams.

IPC Classes  ?

• C08G 65/00 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule

Abstract

The invention relates to a method for covering a ballast bed (12) of a railway track system (10) with foam, said railway track system comprising sleepers (14) placed on the ballast bed and rails (16) placed on the sleepers (14). According to the invention, the rails (16) are covered at least in a partial area along an area, which is to be covered in foam, of the ballast bed (12), and a foaming agent is introduced into the ballast bed when the rails are covered.

IPC Classes  ?

• E01B 1/00 - Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway

Abstract

The present invention relates to a coating agent which is particularly suitable for producing mattable coatings. The coating agent comprises: a) an aqueous dispersion of a hydroxy-functional prepolymer, which can be obtained by reacting at least the following components: i) a component comprising a hydroxy group, ii) a polyester polyol comprising a hydroxy group, iii) a polyisocyanate comprising an isocyanate group, iv) a compound comprising at least two groups reactive with respect to isocyanate groups and at least one group capable of anion formation, v) water, wherein the components i)-iii) and the ratio of components i)-iii) are selected such that there is an excess of hydroxy groups over the isocyanate groups; b) nanoparticles with a number average particle size of 1 to 1,000 nm; and c) a crosslinker, which comprises at least two groups reactive with respect to hydroxy groups. The invention further relates to a method for producing the coating agent, the use of the coating agent to produce a coating on a substrate and to a coating which can be obtained by applying the coating agent to a substrate.

IPC Classes  ?

• C08G 18/08 - Processes
• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
• C08G 18/44 - Polycarbonates
• C08G 18/72 - Polyisocyanates or polyisothiocyanates
• C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
• C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
• C09D 175/06 - Polyurethanes from polyesters
• C08K 3/36 - Silica
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step

Abstract

The invention relates to a deformable film having a decorative surface featuring a completely matt appearance. For this purpose, the deformable film has a decorative surface provided with at least one coating comprising the following constituents: a) an aqueous dispersion of a hydroxy-functional prepolymer, obtainable by conversion of at least one of the following components: i) a component having hydroxyl groups, ii) a polyester polyol having hydroxyl groups, iii) a polyisocyanate having isocyanate groups, iv) a compound having at least two groups reactive toward isocyanate groups and at least one group capable of anion formation, v) water, where components i) to iii) and the ratio of components i) to iii) is selected such that an excess of hydroxyl groups is present relative to the isocyanate groups, and b) nanoparticles having a number-average particle size of 1 to 1000 nm and c) a crosslinker having at least two groups reactive toward hydroxyl groups.

IPC Classes  ?

• C08J 7/04 - Coating
• C08G 18/78 - Nitrogen
• C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
• C08G 18/08 - Processes
• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
• C09D 175/06 - Polyurethanes from polyesters
• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain

Abstract

The present invention relates to a two-component waterborne polyurethane coating composition, comprising: (a) one or more polyol aqueous dispersion or aqueous emulsion, wherein the polyol has a hydroxyl content of 0.5-5.5 wt.%, based on 100% by weight of the polyol, and the polyol aqueous dispersion or aqueous emulsion has a solid content of 10-70 wt.%, based on 100% by weight of the polyol aqueous dispersion or aqueous emulsion; and (b) one or more hydrophilic modified isophorone diisocyanate polymer or prepolymer, wherein the component (a) and (b) are of such an amount that the ratio of the NCO group to the hydroxyl group in the two-component waterborne polyurethane coating composition is 0.2:1 to 5:1. The two-component waterborne polyurethane coating composition has anti-yellowing property under high temperature, and the coating film prepared from the same has a color difference of less than 3.0 after baking under 150℃ for 1 day.

IPC Classes  ?

• C08G 18/70 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
• C08G 18/62 - Polymers of compounds having carbon-to-carbon double bonds
• C08G 18/08 - Processes
• C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
• C09D 175/04 - Polyurethanes
• C09D 175/06 - Polyurethanes from polyesters
• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain

Abstract

The invention relates to a method for producing soft polyurethane foam, in which a polyester polyol component is used as a starting material, which consists of two dicarboxylic acids.

IPC Classes  ?

• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain

Abstract

The invention relates to an alkoxysilane-terminated prepolymer characterised in that it can be produced by reacting at least A) one polyol, B) a compound comprising at least two isocyanate groups, and C) an alkoxysilane that has at least one isocyanate group and/or an isocyanate-reactive group, said polyol (A) comprising at least one polyether carbonate polyol that can be obtained by adding carbon dioxide and alkylene oxide to H-functional starter substances. The invention also relates to a method for producing the claimed alkoxysilane-terminated prepolymer, as well as to a composition and a multi-component system containing a claimed alkoxysilane-terminated prepolymer. In addition, the invention relates to a shaped body obtainable by polymerising the claimed alkoxysilane-terminated prepolymer, a claimed composition, or a claimed multi-component system. The invention also relates to a pressurised canister containing a claimed alkoxysilane-terminated prepolymer, a claimed composition, or a claimed multi-component system.

IPC Classes  ?

• C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
• C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
• C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
• C08G 18/44 - Polycarbonates
• C08G 18/48 - Polyethers
• C08G 18/71 - Monoisocyanates or monoisothiocyanates
• C08G 18/77 - Polyisocyanates or polyisothiocyanates having hetero atoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur

Abstract

The invention relates to a method for producing a thermoplastic polyurethane elastomer based on polyether carbonate polyols. The method comprises a first step, in which at least A) an organic diisocyanate and B) a polyol having a number-average molecular weight Mn ≥ 500 and ≤ 5000 g/mol are reacted to form an isocyanate-terminated prepolymer. In a second step, the prepolymer is reacted with C) one or more chain extenders having a molecular weight ≥ 60 and ≤ 490 g/mol and optionally D) a monofunctional chain stopper or E) an organic diisocyanate, wherein optionally at least F) one catalyst is used in the first and/or second step. The molar ratio of the sum of the isocyanate groups from A) and, if applicable, E) to the sum of the groups reactive to isocyanate in B), C), and, if applicable, D) is ≥ 0.9:1 and ≤ 1.2:1, and component B) contains at least one polyether carbonate polyol, which can be obtained by adding carbon dioxide and alkylene oxides to H-functional starter substances. The invention further relates to a thermoplastic polyurethane elastomer produced in accordance with the method according to the invention, the use of said thermoplastic polyurethane elastomer to produce extruded or injection molded items, and the items produced by extrusion or injection molding.

IPC Classes  ?

• C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
• C08G 18/44 - Polycarbonates

Abstract

The invention relates to a method for producing a thermoplastic polyurethane elastomer, comprising the reaction of at least A) one organic diisocyanate containing two isocyanate groups with B) a polyol having a number-average molecular weight Mn ≥ 500 and ≤ 5000 g/mol, which has at least two isocyanate-reactive groups, and C) one or more chain extenders having a molecular weight ≥ 60 and ≤ 490 g/mol, which have two isocyanate-reactive groups, and optionally D) a monofunctional chain stopper, which has one isocyanate-reactive group, and/or E) a catalyst, wherein the molar ratio of the isocyanate groups from A) to the sum of the groups reactive to isocyanate in B), C), and, if applicable, D) is ≥ 0.9:1 and ≤ 1.2:1, and component B) contains at least one polyether carbonate polyol, which can be obtained by adding carbon dioxide and alkylene oxides to H-functional starter substances. The invention further relates to a thermoplastic polyurethane elastomer produced in accordance with the method according to the invention, the use of said thermoplastic polyurethane elastomer to produce extruded or injection molded items, and the items produced by extrusion or injection molding.

IPC Classes  ?

• C08G 18/66 - Compounds of groups , , or
• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
• C08G 18/44 - Polycarbonates

Abstract

The invention relates to a reaction system for producing PUR and PIR hard foam materials, comprising the following components: A) a compound which is reactive towards isocyanates; B1) a surfactant component; C) a propellant in a supercritical or near-critical state; D) a polyisocyanate; and E) a layer silicate. The invention further relates to a reaction system for producing PUR and PIR hard foam materials, comprising the following components: B2) a surfactant component with functional groups which are reactive towards isocyanates; C) a propellant in a supercritical or near-critical state; D) a polyisocyanate; and E) a layer silicate. The invention further relates to a method for producing PUR and PIR hard foam materials and to PUR and PIR hard foam materials which can be obtained from the aforementioned reaction systems.

IPC Classes  ?

• B29B 7/74 - Mixing; Kneading using other mixers or combinations of dissimilar mixers
• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
• C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
• C08K 3/36 - Silica
• C08G 18/08 - Processes
• C08G 101/00 - Manufacture of cellular products

Abstract

The invention relates to polyurethane elastomers and a method for producing a polyurethane elastomer based on polyether carbonate polyols. The method comprises a first step, in which at least A) an organic diisocyanate and B) a polyol are reacted to form an NCO-terminated prepolymer. In a second step, the prepolymer is reacted exclusively with C) one or more chain extenders and/or cross-linking agents. Component B) contains at least one polyether carbonate polyol, which can be obtained by adding carbon dioxide and alkylene oxides to H-functional starter substances by using catalysts.

IPC Classes  ?

• C08G 64/18 - Block or graft polymers
• C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
• C08G 18/44 - Polycarbonates

Abstract

The invention relates to a method for selecting photoinitiator systems, comprising at least one sensitiser and at least one coinitiator, for use with photopolymer formulations for producing holographic media.

IPC Classes  ?

• G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
• G03H 1/00 - HOLOGRAPHIC PROCESSES OR APPARATUS - Details peculiar thereto

Abstract

The invention relates to polyisocyanate polyaddition products and the use of special catalysts for producing them, and to the use thereof, in particular in coating applications.

IPC Classes  ?

• C08G 18/24 - Catalysts containing metal compounds of tin
• C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
• C08G 18/34 - Carboxylic acids; Esters thereof with monohydroxyl compounds
• C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
• B01J 31/02 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides

Abstract

The invention relates to a method for achieving a shape memory effect, wherein a cosmetic composition comprising at least one polyurethane resin, which solely has transitions in the temperature range from -100 °C to 150 °C having a transition temperature of Ttrans < 20 °C I) is applied to keratinous fibers, II) before, simultaneously with or after the applying to the keratinous fibers, is made into a specific shape and III) after a deformation of said specific shape, the original specific shape is refreshed by energy input. The invention further relates to the use of the cosmetic composition to achieve a shape memory effect in combination with keratinous fibers.

IPC Classes  ?

• A61K 8/87 - Polyurethanes
• A61Q 5/06 - Preparations for styling the hair, e.g. by temporary shaping or colouring

Abstract

The invention relates to polyisocyanate polyaddition products and the use of special catalysts for producing them, and to the use thereof, in particular in coating applications.

IPC Classes  ?

• C08G 18/24 - Catalysts containing metal compounds of tin
• C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
• C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
• B01J 31/02 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides

Abstract

The present invention relates to a polyurethane composition for repairing polyurethane ballast bed, comprising: amine initiated polyether polyol, short chain polyether polyol and long chain polyether polyol. The polyurethane foam prepared from the polyurethane composition has favorable tensile strength and hardness, and can be used to support sleepers so as to repair settling polyurethane ballast bed.

IPC Classes  ?

• C08G 18/48 - Polyethers
• C08G 18/50 - Polyethers having hetero atoms other than oxygen
• C08G 18/66 - Compounds of groups , , or
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• C08G 18/32 - Polyhydroxy compounds; Polyamines; Hydroxy amines
• E01B 27/00 - Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers

Abstract

The invention relates to a method for producing a molded part in an injection mold, which molded part is made of plastic and provided with a UV-cured paint, wherein the UV-cured paint forms a visible surface designed as a functional surface. The invention further relates to such a molded part provided with a UV-cured paint, said molded part having a visible surface designed as a functional surface, wherein the UV-cured paint forms said visible surface.

IPC Classes  ?

• B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles

Abstract

The invention relates to a continuous method for producing, by using microparticles, thermoplastics provided with reinforcement fibres. The production methods relate to such composite materials, which contain the reinforcement fibres in a parallel (or predominantly parallel) arrangement in the thermoplastic matrix.

IPC Classes  ?

• B29B 15/10 - Coating or impregnating
• B29K 101/12 - Thermoplastic materials

Abstract

The invention relates to a method for producing organic diisocyanates by reacting the corresponding diamines with phosgene in inert solvents. High-melting diamines from the series of 1,5-naphthalenediamine, tetralindiamine, 1,4-phenylenediamine, durenediamine, and o-tolidinediamine are used as diamines. According to the invention, a suspension of the diamines in inert solvents is produced, wherein dynamic mixing units, selected from dispersion disks and rotor-stator systems, are used, and the obtained suspension is phosgenated.

IPC Classes  ?

• C07C 263/10 - Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
• C07C 265/14 - Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton

Abstract

The invention relates to a method for producing polyurethanes containing silane groups by reacting at least A) a composition containing a) one or more compounds containing isocyanate and silane groups of general formula (I) and b) ≤ 1 percent by weight, relative to the total mass of composition A), one or more monomeric diisocyanates with aliphatically, cycloaliphatically, araliphatically and/or aromatically bonded isocyanate groups of general formula (II), where R1, R2 and R3 are the same or different radicals and respectively indicate a saturated or unsaturated, linear or branched, aliphatic or cycloaliphatic or an optionally substituted aromatic or araliphatic radical with up to 18 carbon atoms, which can contain optionally up to 3 heteroatoms from the series oxygen, sulphur, nitrogen, X is a linear or branched organic radical with at least 2 carbon atoms and Y is a linear or branched, aliphatic or cycloaliphatic radical with 4 to 18 carbon atoms or an optionally substituted aromatic or araliphatic radical with 6 to 18 carbon atoms, with B) an at least difunctional polyol with a numerically average molecular weight Mn of 62 to 22000 g/mol, preferably 90 to 12000 g/mol, while maintaining an equivalent ratio of isocyanate groups to hydroxyl groups of 0.7:1 to 1.2:1. The invention further relates to the products which can be obtained using the method according to the invention. Moreover, the invention relates to the use of the products which can be obtained using the method according to the invention as starting components in the production of cross-linkable binders, varnish, and raw materials for sealants or adhesives.

IPC Classes  ?

• C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
• C08G 18/32 - Polyhydroxy compounds; Polyamines; Hydroxy amines
• C08G 18/48 - Polyethers
• C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
• C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
• C08G 18/80 - Masked polyisocyanates
• C09D 175/04 - Polyurethanes

Abstract

The present invention relates to a polyurethane modeling composition, which comprises: (a) one or more organic polyisocyanates; (b) one or more polyether polyol with a functionality of a 2-6 and hydroxyl number of 100-700 which is the copolymerization and/or homopolymerization product of an epoxy compound and a polyol compound which doesn't comprise amine group; (c) one or more aliphatic polyester polyols with a hydroxyl number of 100-500 and a functionality of 2-4; (d) optionally one or more thixotropic agents; (e) optionally one or more water removing agents; and (f) optionally one or more microsphereswith a density of 20-500 kg/m3. The polyurethane composition of the present invention has long pot-life and the polyurethane model prepared therefrom has higher hardness and glass transition temperature.

IPC Classes  ?

• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• B44C 1/20 - Applying plastic materials and superficially modelling the surface of these materials
• C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
• C08G 18/08 - Processes
• C08G 18/32 - Polyhydroxy compounds; Polyamines; Hydroxy amines
• C08G 18/36 - Hydroxylated esters of higher fatty acids

Abstract

The invention relates to a method for producing compounds containing isocyanate and silane groups by reacting at least A) one monomeric diisocyanate containing aliphatically, cycloaliphatically, araliphatically and/or aromatically bonded isocyanate groups with B) a mercaptosilane, characterised in that component A) is reacted with component B) in an equivalent ratio of isocyanate groups to mercapto groups of at least 06:01 to at most 40:1. Furthermore, the invention relates to the products which can be obtained using the method according to the invention, and to a composition containing compounds that contain isocyanate and silane groups. Moreover, the invention relates to the use of the products which can be obtained using the method according to the invention and the composition according to the invention as starting components in the production of silane group-containing polyurethanes, cross-linkable binders, varnish, and raw materials for sealants or adhesives.

IPC Classes  ?

• C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
• C08G 18/00 - Polymeric products of isocyanates or isothiocyanates

Abstract

The invention relates to a process for preparing compounds containing isocyanate groups and cyclic carbonate structures, by reacting at least A) a monomeric diisocyanate with aliphatically, cycloaliphatically, araliphatically and/or aromatically bonded isocyanate groups with B) a hydroxy-functional cyclic carbonate, characterized in that component A) is reacted with component B) in an equivalents ratio of isocyanate groups to hydroxyl groups of at least 8:1. The invention further relates to the products obtainable by the process according to the invention, and to a composition comprising compounds containing isocyanate groups and cyclic carbonate structures. The invention additionally relates to the use of the products obtainable by the process according to the invention and of the composition as a starting component in the preparation of polyurethanes containing cyclic carbonate structures, crosslinkable binders, and also raw materials for coatings, sealants or adhesives.

IPC Classes  ?

• C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
• C08G 18/32 - Polyhydroxy compounds; Polyamines; Hydroxy amines
• C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
• C07D 317/36 - Alkylene carbonates; Substituted alkylene carbonates
• C07D 319/06 - 1,3-Dioxanes; Hydrogenated 1,3-dioxanes not condensed with other rings

Abstract

The invention relates to a sandwich composite element (100) and a method for producing a sandwich composite element (100) having a first outer layer (10) and a second outer layer (11), wherein a polyurethane foam core body (12) is arranged between the first outer layer (10) and the second outer layer (11). According to the invention, a subjacent outer layer (13, 14) for mechanically stiffening the composite element (100) is arranged between the foam core body (12) and at least one of the outer layers (10, 11).

IPC Classes  ?

• B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
• B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes

Abstract

The invention relates to a method for producing polyether carbonate polyols by attaching alkylene oxides and carbon dioxide to one or more H-functional starters in the presence of a double-metal cyanide catalyst, characterized in that (α) a suspending agent which contains no H-functional groups and is selected from among one or more compounds from the group consisting of aliphatic lactones, aromatic lactones, lactides, cyclic carbonates comprising at least three optionally substituted methylene groups between the oxygen atoms of the carbonate group, aliphatic cyclic anhydrides, and aromatic cyclic anhydrides, is provided in a reactor; (ß) optionally, a moiety of alkylene oxide is added to the mixture from step (α) at temperatures of 90 to 150°C, and the addition of the alkylene oxide compound is then interrupted; and (γ) one or more H-functional starters are continuously metered into the reactor during the reaction.

IPC Classes  ?

• C08G 64/34 - General preparatory processes using carbon dioxide and cyclic ethers

Abstract

The invention relates to a method for producing polyurethanes containing cyclic carbonate structures by reacting at least A) a composition containing a) one or more compounds of the general formula (I), said compounds containing isocyanate groups and cyclic carbonate structures, and b) ≤ 1 wt.%, based on the total mass of the composition A), of one or more monomer diisocyanates with aliphatically, cycloaliphatically, araliphatically, and/or aromatically bound isocyanate groups of the general formula (II), wherein R represents hydrogen or a saturated or unsaturated, linear or branched, aliphatic group with 1 to 7 carbon atoms, X represents a linear or branched organic group which comprises 1 to 36 carbon atoms and which can contain optionally ether, ester, and/or carbonate groups, n represents 0 or 1, and Y represents a linear or branched, aliphatic or cycloaliphatic group with 4 to 18 carbon atoms or an optionally substituted aromatic or aliphatic group with 6 to 18 carbon atoms, with B) an at least difunctional polyol with a number-average molecular weight Mn of 62 to 22000 g/mol, preferably 90 to 12000 g/mol, while maintaining an equivalent ratio of isocyanate groups to hydroxyl groups of 0.3 : 1 to 1.2 : 1. Furthermore, the invention relates to products which can be obtained using the method according to the invention. The invention additionally relates to the use of the products which can be obtained using the method according to the invention as a starting component in the production of crosslinkable binders, such as paints and raw materials for sealants or adhesives.

IPC Classes  ?

• C07D 317/36 - Alkylene carbonates; Substituted alkylene carbonates
• C08G 18/08 - Processes
• C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
• C08G 18/80 - Masked polyisocyanates

Abstract

The invention relates to a method for producing polyether carbonate polyols by attaching alkylene oxides and carbon dioxide to one or more H-functional starters in the presence of a double-metal cyanide catalyst, characterized in that (α) a suspending agent which contains no H-functional groups is provided in a reactor; (ß) optionally, a moiety of alkylene oxide is added to the mixture from step (α) at temperatures of 90 to 150°C, and the addition of the alkylene oxide compound is then interrupted; and (γ) one or more H-functional starters are continuously metered into the reactor during the reaction.

IPC Classes  ?

• C08G 64/34 - General preparatory processes using carbon dioxide and cyclic ethers

Abstract

The present invention relates to a method for producing linear and/or cyclic carbonate esters, involving the step of reacting an epoxide with carbon dioxide in the presence of a catalyser. The invention further relates to the use of special catalysers for reacting epoxides with carbon dioxide, special catalysers and special reaction products. The catalyser comprises a complex of a metal M or M-A with a ligand L, the metal M being present in an oxidation state of ≥ 0, A standing for halide, carboxylate, phenolate, sulfonate, phosphonate, alkyl, alkoxy or amido, and the ligand L having the subsequent structure (Ia) or (Ib), wherein one or both of the OH groups shown in (Ia) and/or (Ib) can also be deprotonated.

IPC Classes  ?

• C07D 215/38 - Nitrogen atoms
• C07D 317/36 - Alkylene carbonates; Substituted alkylene carbonates
• C07D 317/46 - Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
• C07D 471/04 - Ortho-condensed systems
• C08G 64/02 - Aliphatic polycarbonates
• C08G 64/34 - General preparatory processes using carbon dioxide and cyclic ethers

Abstract

The present invention relates to a security document and/or document of value with a hologram in a visually changeable window as a novel security element, and also to a method for producing the same.

IPC Classes  ?

• B42D 15/00 - Printed matter of special format or style not otherwise provided for

Abstract

The invention relates to polyurethane casting resins for producing polyurethane potting compounds, which can be obtained from a reaction mixture of polyisocyanates, polyepoxides, polyols, latent catalysts and optionally additives. The invention also relates to a method for producing said compounds.

IPC Classes  ?

• C08G 18/40 - High-molecular-weight compounds
• C08G 18/58 - Epoxy resins

Abstract

The invention relates to fibre-composite components, obtained for example by impregnating fibres with a reaction resin mixture of polyisocyanates, polyepoxides, polyols, latent catalysts and optionally additives. The invention also relates to a method for producing said components.

IPC Classes  ?

• C08G 18/40 - High-molecular-weight compounds
• C08G 18/58 - Epoxy resins
• C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs

Abstract

Method for coating a plastic substrate with a functional layer in which (a) an organic UV absorber, which contains at least one chromophore and at least one reactive side chain, is vaporized in a vacuum chamber and (b) is brought into contact with at least one surface of the plastic substrate and excited by a plasma, or (c) is excited by a plasma and then brought into contact with at least one surface of the plastic substrate, whereby a functional layer containing the UV absorber is formed on the surface of the plastic substrate, wherein the plasma is ignited at a pressure greater than 10-5 bar and less than 1.013 bar.

IPC Classes  ?

• B05D 3/14 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
• B05D 3/04 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases

Abstract

The invention relates to polycarbonate-based or copolycarbonate-based security documents and/or documents of value which contain at least one hologram integrated in the card body, and to a method for producing such security documents and/or documents of value.

IPC Classes  ?

• B42D 15/00 - Printed matter of special format or style not otherwise provided for

Abstract

The invention relates to a planar light distribution module for a display, comprising a light guide plate, through which light that can be coupled via at least one lateral surface can propagate by means of total reflection, and comprising at least one planar decoupling system (2) which is mounted on one or both main surfaces of the light guide plate (1), is in optical contact with said plate and contains a plurality of holographic optical elements (13) which are designed in such a way that they can decouple light from the light guide plate (1). The light distribution module is characterised in that the holographic optical elements (13) independently of one another extend by at least 300 μm along at least one spatial axis running parallel to the surface of the decoupling system (2). The invention also relates to an optical display, in particular an electronic display, the holographic optical elements (13) independently of one another having a surface that is 1.5 times greater than the pixels of the liquid crystal module.

IPC Classes  ?

• G02B 6/00 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
• F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems

Abstract

The invention relates to an illumination device (4) for illuminating at least one light modulator system (6) of a liquid crystal display, the device comprising at least one waveguide substrate (8) for guiding at least one targeted light beam (40) that can be coupled into the waveguide substrate (8). The waveguide substrate (8) is at least in optical contact with at least one holographic optical decoupling substrate (10) comprising a plurality of decoupling regions (12) and a decoupling region (12) is at least designed to decouple part of the targeted light beam (40) in the form of a plurality of sub-beams (42, 44) in the direction of the light modulator system (6). At least one diffuser module (14, 58) is provided, said diffuser module (14, 58) being designed in such a way that at least the outermost sub-beams (46, 48) of two neighbouring decoupling regions (12) are at least adjacent to one another before exiting the diffuser module (14, 58).

IPC Classes  ?

• G02B 6/00 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
• F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems

Abstract

The invention relates to a planar light distribution module for a display, comprising a light guide plate, through which light that can be coupled via at least one lateral surface can propagate by means of total reflection, and comprising at least one planar decoupling system (2) which is mounted on one or both main surfaces of the light guide plate (1), is in optical contact with said plate and contains a plurality of holographic optical elements (13) which are designed in such a way that they can decouple light from the light guide plate (1). The light distribution module is characterised in that the holographic optical elements (13) are arranged in the decoupling system (2) without translation symmetry. The invention also relates to an optical display, in particular an electronic display which contains a light distribution module according to the invention.

IPC Classes  ?

• G02B 6/00 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
• F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems

Abstract

The present invention relates to polycarbonate compositions for producing halogen-free moulded parts for use in public facilities which meet the corresponding fire protection regulations and standards. The present invention also relates to the use of halogen-free polycarbonate compositions for producing moulded parts, particularly seating and/or parts of seating, e.g. seat shells, which are flame-retardant and meet the standards for use in public buildings, as well as the moulded parts themselves.

IPC Classes  ?

• C08K 5/00 - Use of organic ingredients
• C08K 5/101 - Esters; Ether-esters of monocarboxylic acids
• C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Abstract

The present invention is related to a method for the production of polyurethane foam, comprising the steps of: providing an isocyanate-reactive component A comprising a polyol component A1 which further comprises a physical blowing agent T; combining at least the isocyanate-reactive component A and an isocyanate component B, thereby obtaining a polyurethane reaction mixture; providing the polyurethane reaction mixture in a cavity (11); and reducing the pressure within the cavity (11) to a pressure lower than ambient pressure; characterized in that the cavity (11) is ventilated to ambient pressure before the gel time of the polyurethane reaction mixture is reached.

IPC Classes  ?

• C08G 18/40 - High-molecular-weight compounds
• B29C 33/10 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor with incorporated venting means
• B29C 44/18 - Filling preformed cavities
• B29C 44/34 - Component parts, details or accessories; Auxiliary operations
• B29C 44/42 - Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
• C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
• C08G 18/48 - Polyethers

Abstract

The present invention is related to a method for the production of polyurethane foam, comprising the steps of: - providing an isocyanate-reactive component A comprising a polyol component A1 which further comprises a physical blowing agent T; - combining at least the isocyanate-reactive component A and an isocyanate component B, thereby obtaining a polyurethane reaction mixture; - providing the polyurethane reaction mixture in a cavity (11); and - reducing the pressure within the cavity (11) to a pressure lower than ambient pressure; characterized in that the physical blowing agent T is present in the isocyanate-reactive component A in the form of an emulsion with the polyol component A1 constituting the continuous phase and droplets of the physical blowing agent T the dispersed phase of the emulsion, wherein the average size of the droplets of the physical blowing agent T is ≥ 0,1 μm to ≤ 20 μm, the droplet size being determined by using an optical microscope operating in bright field transmission mode.

IPC Classes  ?

• B29C 44/34 - Component parts, details or accessories; Auxiliary operations
• B29C 44/38 - Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
• B29C 44/42 - Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
• C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
• C08G 18/08 - Processes

Abstract

The invention relates to a method for producing a PUR/PIR foam body, comprising the steps of providing a mold, which is designed for the application of a vacuum to the interior of the mold; introducing a reaction mixture comprising an isocyanate-reactive composition A and an isocyanate B into the mold; and applying a vacuum to the interior of the mold such that the vacuum acts on the introduced reaction mixture. The vacuum is applied to the interior of the mold after the start of the setting of the reaction mixture in the mold at the latest, and the index of the reaction mixture is ≥ 300.

IPC Classes  ?

• B29C 44/04 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
• B29C 44/12 - Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
• B29K 75/00 - Use of polyureas or polyurethanes as moulding material

Abstract

Provided is a method for the production of polyurethane foam, comprising the steps of: -providing an isocyanate-reactive component A comprising a polyol component Al which further comprises a physical blowing agent T; -combining at least the isocyanate-reactive component A and an isocyanate component B, thereby obtaining a polyurethane reaction mixture; -providing the polyurethane reaction mixture in a cavity (11); and reducing the pressure within the cavity (11) to a pressure lower than ambient pressure; characterized in that the physical blowing agent T is present in the isocyanate-reactive component A in the form of an emulsion with the polyol component Al constituting the continuous phase and droplets of the physical blowing agent T the dispersed phase of the emulsion, wherein the average size of the droplets of the physical blowing agent T is >0.1μm to <20μm, the droplet size being determined by using an optical microscope operating in bright field transmission mode.

IPC Classes  ?

• C08G 18/48 - Polyethers
• C08G 18/64 - Macromolecular compounds not provided for by groups
• C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic

Abstract

 A method for the production of polyurethane foam is provided, comprising the steps of: (a) providing an isocyanate-reactive component A comprising a polyol component A1 which further comprises a physical blowing agent T; (b)combining at least the isocyanate-reactive component A and an isocyanate component B, thereby obtaining a polyurethane reaction mixture; (c)providing the polyurethane reaction mixture in a cavity; (d) reducing the pressure within the cavity to a pressure lower than ambient pressure; and (e) the cavity is ventilated to ambient pressure before the gel time of the polyurethane reaction mixture is reached.

IPC Classes  ?

• C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
• C08J 9/228 - Forming foamed products

Abstract

The present disclosure teaches a member for supporting and/or protecting photovoltaic modules, which comprises fibers extending along an axial direction of the member and plastics as a matrix. The fibers include glass fibers, carbon fibers, metallic fibers and any combination thereof; the plastics include polyurethane. The weight of the fibers is about 30 wt.% ~95 wt.% relative to the total weight of the member. The present disclosure possesses mechanical strength and stiffness similar to aluminum profiles, good electrical insulation properties, resistance to corrosion and a coefficient of thermal expansion compatible with other materials, such as glass, used in photovoltaic modules.

IPC Classes  ?

• H01L 31/042 - PV modules or arrays of single PV cells

Abstract

The invention relates to an adiabatic process for producing nitrobenzene by nitrating benzene with sulphuric acid mixtures and nitric acid mixtures using a stoichiometric excess of benzene and reusing non-reacted benzene, the content of the aliphatic organic compounds in the feed benzene being limited, by the targeted evacuation of aliphatic organic compounds to at least one step in the process, to a content of less than 1.5 mass-%, in relation to the total amount of feed benzene.

IPC Classes  ?

• C07C 201/08 - Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups

Abstract

The invention relates to a continuous adiabatic process for producing nitrobenzene by nitrating benzene with sulphuric acid mixtures and nitric acid mixtures using a stoichiometric excess of benzene, the content of organic compounds in the sulphuric acid cycle being maintained, at least during the starting of the production system, at a level lower than 1.0 mass % in relation to the total mass of the sulphuric acid cycle. This is achieved, preferably, either after the end or prior to the start of the production cycle, by starting the circulation of the sulfuric acid cycle at a higher temperature in order to separate the organic substances contained in the sulphuric acid and comprising, preferably nitrobenzene and traces of benzene, dinitrobenzene and nitrophenol, in an evaporation device for concentrating the sulphuric acid.

IPC Classes  ?

• C07C 201/08 - Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups

Abstract

The invention relates to a continuous method for producing nitrobenzene by nitrating benzene with sulphuric acid mixtures and nitric acid mixtures using a stoichiometric excess of benzene, the content of the aliphatic organic compounds in the feed benzene being maintained, during the starting of the production system, at a level lower than 1.5 mass % in relation to the total mass of the feed benzene. This is achieved, either when starting the production system, the feed benzene consisting of recycled and unreacted benzene (recycled benzene) and the benzene newly introduced into the reaction (fresh benzene) is mixed in appropriate amounts, according to the purity of both flows, or when starting, the unreacted benzene is completely withdrawn from the recycling, the feed benzene only being benzene newly introduced into the reaction.

IPC Classes  ?

• C07C 201/08 - Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups

Abstract

The present invention relates to adhesive formulations based on polyaddition compounds, which polyaddition compounds have uretdione groups and are free of isocyanate groups and monomeric polyisocyanates, and to the use thereof in producing adhesive connections between substrates, in particular in producing flexible film composites.

IPC Classes  ?

• C08G 18/02 - Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
• C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
• C08G 18/80 - Masked polyisocyanates
• C09J 175/04 - Polyurethanes

Abstract

The present invention relates to an aqueous polyurethane dispersion obtainable by the reaction of at least:(A)one polyisocyanate with two or more isocyanate groups, (B)one polyester component comprising(B1) a polyesterpolyol with a mean molecular weight of 300to 900g/Mol, having structural units derived from terephthalic acid, (C) one ionic group introducing compound with at least one sulphonate and/or carboxylate group and at least one isocyanate reactive group, (D) one diol with a mean molecular weight of 62 to 400g/Mol, (E) one polyol with a mean molecular weight of 62 to 400g/Mol, having three or more hydroxyl groups, (F) one amino functional and / or aminohydroxyl functional compound, its use to coat a substrate and a coating obtained by using the dispersion.

IPC Classes  ?

• C08G 18/08 - Processes
• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
• C08G 18/66 - Compounds of groups , , or

Abstract

[Problem] In a coating method of a two-coat one-bake system where a clear coat paint is coated after a base coat paint is coated, then these two coated layers are simultaneously hardened, adhesive strength between the two coated layers is to increase in comparison with the conventional method. [Solution] Provided is a coating method; A specific hardener is used in the clear co at paint. The hardener is one containing a polyisocyanate derived from 1, 6-hexamethylene diisocyanate, satisfying all the following conditions: 1 ) Hardener does not virtually include diisocyanate monomer, 2) Viscosity of hardener is not more than 1000 mPa-s/23°C, 3) Content of HDI trimer in hardener is not less than 60 weight %, and 4) Content of HDI dimer in hardener is less than 10 weight %.

IPC Classes  ?

• B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
• C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates

Abstract

The present invention relates to a method for working up distillation residues from isocyanate production in which monomeric isocyanate present in distillation residues is recovered by means of a spray-dry method and the overall yield of monomeric isocyanate is thus significantly increased.

IPC Classes  ?

• C07C 263/10 - Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
• C07C 263/20 - Separation; Purification

Abstract

[Problem] To increase adhesive strength between an aqueous base coat layer and a clear coat layer in a coating method by a two-coat one-bake system where an aqueous base coat paint is coated, then a clear coat paint is coated, and these two coated films are simultaneously hardened, in comparison with the conventional method. [Solution] Provided is a coating method using a specific hardener in a clear coat paint. Namely, the hardener is characterized in that (1) it includes a reaction product of (i) a derivative of 1,6-hexamethylene diisocyanate including a trimer and virtually not including a diisocyanate monomer, and (ii) a compound having both an active hydrogen and a hydrophilic group; and (2) viscosity at 23°C is not more than 1,000 mPa⋅s. The compound having both an active hydrogen and a hydrophilic group herein is a compound having an active hydrogen-containing group and a sulfo group represented by formula (I), and preferably the sulfo group in a hardener is neutralized with a tertiary amine. Formula (I) X-R-SO3H (in the formula, X is an amino group, alkylamino group, cycloalkylamino group, or hydroxyl group, R is an aliphatic and/or alicyclic hydrocarbon group).

IPC Classes  ?

• B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
• C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates

Abstract

The invention relates to a device (R) for producing phosgene by reacting chlorine and carbon monoxide in the presence of a fixed-bed catalyst, comprising a) a tube bundle, which is arranged inside a reactor jacket (4) and which has a plurality of reaction tubes (3), which are arranged substantially parallel to each other and which extend from a lower tube sheet (1) to an upper tube sheet (2), and b) a coolant space for a cooling fluid, which coolant space surrounds the reaction tubes (3) and is defined by the lower tube sheet (1), the upper tube sheet (2), and the reactor jacket (4), wherein the device is characterized in that the tube bundle is enclosed by an annular-space sheet (7), which defines an inner annular space (12) for the passage of the cooling fluid and which is arranged at a distance from both the lower tube sheet (1) and the upper tube sheet (2), wherein an outer annular space (13) for feeding liquid cooling fluid through is formed between the annular-space sheet (7) and the reactor jacket (4), which outer annular space is in fluid connection with the inner annular space (12). The invention further relates to a method for producing phosgene by means of such a device.

IPC Classes  ?

• C01B 31/28 - Phosgene
• B01J 8/06 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the solid particles being arranged in tubes

Abstract

The present invention relates to a method for producing a multilayer dielectric polyurethane film system comprising the following method steps: I) producing a mixture comprising a) a compound containing isocyanate groups with an isocyanate group content of > 10% by weight and ≤ 50% by weight, b) a compound containing isocyanate reactive groups with an OH number of ≥ 20 and ≤ 150, wherein the sum of the number average functionality of isocyanate groups and of isocyanate reactive groups in compounds a) and b) is ≥ 2.6 and ≤ 6, II) applying the mixture immediately after it has been produced to a substrate in the form of a wet film, III) curing said wet film while forming the polyurethane film and IV) applying an electrode layer on the almost completely dried film, V) repeating steps I)-IV) to generate a multilayer system. The invention further relates to a multilayer dielectric polyurethane film system and an electromechanical transducer.

IPC Classes  ?

• C08G 18/78 - Nitrogen
• C08G 18/24 - Catalysts containing metal compounds of tin
• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
• C08G 18/44 - Polycarbonates
• B29C 41/28 - Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on an endless belt
• H01L 41/45 - Organic materials
• H01L 41/193 - Macromolecular compositions