The invention relates to a polyurethane composition for preparing composites, a polyurethane composite obtained by the preparation and a method for preparing the polyurethane composite. The polyurethane composition comprises: a) an isocyanate component; b) an isocyanate-reactive component; c) a radical reaction initiator and d) an organometallic catalyst; wherein the hydroxyl value of the component b) isocyanate-reactive component is 200 mgKOH/g to 700 mgKOH/g, and the molar ratio of isocyanate groups to hydroxyl groups of the composition is 0.6 to 1.5. The polyurethane composition of the present invention has the advantages of long pot life and simple operation process. The polyurethane composite comprising the polyurethane resin matrix prepared by the polyurethane composition of the present invention has both excellent weather resistance and mechanical strength.
The present invention relates to methods for increasing the concentration of anthranilic acid tolerated by a given microbial cell by limiting the concentration of ammonia in the culture medium.
The invention relates to a composition for generating a thermoplastic moulding compound, wherein the composition contains or consists of the following components: A) 50-90 wt.% of an aromatic polycarbonate or polyester carbonate with a relative solution viscosity of at least 1.285 measured in CH2CI2 as a solvent at 25°C, and a concentration of 0.5 g/100 ml; B) 1-10 wt.% of rubber-modified graft polymer; C) 2.5-10 wt.% of boron nitride; D) 4-20 wt.% of talc; E) 2-20 wt.% of phosphorus-containing flame retardant means; F) 0-20 wt.% of further additives. The invention also relates to a method for producing the thermoplastic moulding compound, the moulding compound itself, the use of the moulding compound to produce moulded bodies and the moulded bodies themselves.
The present invention relates to a layered structure containing at least one layer (i) comprising a thermoplastic material and at least one further layer (ii) comprising a thermoplastic material containing at least one embossed hologram; a method for producing layer composites of this kind; and security documents, more particularly identification documents, having the layer structure according to the invention.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
The present invention relates to a plastic film having reduced UV activity, to particular embodiments of such plastic films in the form of coextruded films, layer constructions comprising the plastic film according to the invention, and to security documents, preferably identification documents, comprising such plastic films.
The present invention relates to the production of o-aminobenzoic acid from fermentable substrates using microbial cells and alkali-containing bases during fermentation.
The present invention relates to a viscoelastic element comprising a polyurethane foam, wherein the polyurethane foam can be obtained by reacting at least one isocyanate-functional prepolymer (VI) in the presence of a special polyurethane urea dispersion (V2), wherein the reaction of the prepolymer (VI) takes place in the presence of the polyurethane urea (V2) with a medium containing isocyanate-reactive groups. The invention also relates to a method for producing the viscoelastic element and to the use thereof.
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 18/34 - Carboxylic acids; Esters thereof with monohydroxyl compounds
The present invention relates to a process for preparing aminobenzoic acid or an aminobenzoic acid conversion product, comprising the steps of: (I) providing an aqueous solution of aminobenzoic acid using a fermentation process; (II) adsorbing aminobenzoic acid; (III) desorbing aminobenzoic acid at a pH in the range from -0.8 to 3.0, preferably -0.5 to 3.0, more preferably 0.1 to 3.0, very preferably 0.5 to 2.5, very exceptionally preferably 1.0 to 2.0; (IV) obtaining the aminobenzoic acid from the desorbate obtained in step (III); (V) optionally further converting the aminobenzoic acid obtained in step (IV) to an aminobenzoic acid conversion product.
The present invention relates to the use i) of one or more compounds selected from the group consisting of R1R2C=CR3-C(O)-O-R4 (I), R5R6C=CR7-C(O)-O-R8-O-(O)C-R9C=CR10R11 (II), R12R13C=CR14-C(O)-O-(O)C-R14C=CR13R12 (III.) and R15R16C=C-17-C(O)-NR18-R19 (IV.), wherein R1 and R2, R4 to R7 and R9 to R19 independently of one another represent H, a saturated or unsaturated, linear or branched, aliphatic or cycloaliphatic or an aromatic or araliphatic radical having up to 20 carbon atoms which may optionally contain heteroatoms such as N, S or O and which may optionally be substituted, for example by isocyanate- reactive groups, preferably by OH groups, R3 represents H, and R8 represents a saturated or unsaturated, linear or branched, aliphatic divalent radical having up to 20 carbon atoms which may optionally contain heteroatoms such as N, S or O and which may optionally be substituted, for example by isocyanate-reactive groups, preferably by OH groups, and/or ii) of polyester polyols, preferably polyester diols, obtainable by polycondensation of maleic acid, fumaric acid, methacrylic acid or acrylic acid with oligomeric diols such as butanediol, diethylene glycol, propylene glycol, 1,3-propanediol and/or triols such as glycerol having a molecular weight factor per double bond of 150 to 3000, a functionality of 2 to 6, a hydroxyl number of 20 to 800 and an acid number of 0 to 15 in processes for producing polyurethanes, preferably polyurethane foams, for reducing the aldehyde emission of the resulting polyurethanes/polyurethane foams, to a process for producing polyurethanes, preferably polyurethane foams, using one or more compounds of formula IV and to polyurethanes obtainable from this process.
The present invention relates to novel anisotropic composite materials and processes for production thereof. The composite materials are based on the crosslinking of polyisocyanates and feature good weathering stability.
Disclosed are seed treatment compositions that include: (a) an aqueous polyurethane dispersion; and (b) an insecticide, a fungicide, a nematicide, and/or other pesticides. Also disclosed are seeds treated with such a treatment compositions and methods for treating a seed using such treatment composition.
A01N 25/00 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
A01N 43/40 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
A01N 43/90 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
A01N 47/40 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
A01N 51/00 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequenc
The invention relates to a method for producing aniline or products that are obtained by further chemical reaction of aniline (aniline derivatives), involving decarboxylation of aminobenzoic acid, particularly ortho-aminobenzoic acid, in which one portion of the previously formed crude aniline is recirculated in the decarboxylation step. The aminobenzoic acid is obtained enzymatically or chemically, preferably enzymatically.
C07C 209/68 - Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
13.
METHOD FOR PRODUCING A POLYISOCYANURATE COMPOSITE MATERIAL
The invention relates to a method for producing a polyisocyanurate composite material, comprising the following steps: a) providing a polyisocyanate composition A) which contains monomer polyisocyanates at an amount of at least 2 wt. %, and b) catalytically trimerising the polyisocyanate composition A) in the presence of at least one fibrous filler material B) and a trimerisation catalyst C), to form the polyisocyanurate composite material, said trimerisation catalyst C) comprising at least one quaternary ammonium salt and/or a metal salt. The invention also relates to polyisocyanurate composite materials that can be obtained according to the claimed method, and to the use of same to produce a component and components consisting of or containing a claimed polyisocyanurate composite material.
The invention relates to a method for producing a polyisocyanurate composite material, comprising the following steps: a) providing a polyisocyanate composition A) which contains oligomer polyisocyanates and is low in monomer diisocyanates, where 'low in monomer diisocyanates' means that the polyisocyanate composition A) has a monomer diisocyanate content of no more than 20 wt.%, and b) catalytically trimerising said polyisocyanate composition A) in the presence of at least one fibrous filler material B) and a trimerisation catalyst C) to obtain the polyisocyanurate composite material, said trimerisation catalyst C) comprising at least one quaternary ammonium salt and/or metal salt. The invention also relates to polyisocyanurate composite materials that can be obtained according to the claimed method, and to the use of same to produce a component and components consisting of or containing a claimed polyisocyanurate composite material.
C08G 18/02 - Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
C08G 18/09 - Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
The invention relates to: elastomer sandwich systems comprising at least two components, wherein one component (i) is a thermoplastic polyurethane that functions as a cover layer, and extensively adhered thereon, the second component (ii) is a solid cast polyurethane with a density of 800 to 1800 kg/m3 that functions as a carrier layer, wherein at least one component of the elastomer sandwich system has a higher tear resistance according to ISO 34-1 of 30 kN/m to 85 kN/m and an abrasion loss according to ISO 4649 of 50 mm3 to 5 mm3, and at least both components have a recoil elasticity according to DIN 53512 of 35 % - 70 %; and a method for the production thereof. The invention also relates to metal composite elements comprising elastomer sandwich systems, a method for the production thereof and the use thereof as casing elements in the transport sector and the mining sector, in particular in hoppers and conveyor belts. Elastomer sandwich systems can also be used for the protection of loading areas of trucks.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
The present invention relates to a method for the partial coloring, in particular for the colored laser engraving, of plastic parts, in particular thermoplastic plastic parts, very particularly thermoplastic plastic parts, comprising a layer structure, and to the resulting partially colored, preferably colored and laser engraved, plastic parts, in particular thermoplastic plastic parts.
The invention relates to a method for producing aminobenzoic acid or a aminobenzoic acid derivative via the fermentation of a suitable raw material under the influence of suitable microorganisms and obtaining a fermentation broth containing aminobenzoate and/or aminobenzoic acid. In particular, the invention relates to the step of obtaining the aminobenzoic acid from the fermentation broth, wherein the crystallisation of aminobenzoic acid is carried out via a simple one-stage acid treatment in the presence of seed crystals. The aminobenzoic acid crystallised in this simple manner can be easily separated from the mother liquor, further cleaned if necessary, and then supplied to the different applications.
The invention relates to a process for producing solids made from polyisocyanurate plastics, comprising the following steps: (a) providing a polyisocyanate composition A) which contains oligomeric polyisocyanates and is low in monomeric polyisocyanates, where the isocyanurate structure content in the polyisocyanate composition A) is at least 50 mol%, based on the sum total of the oligomeric structures from the group consisting of uretdione, isocyanurate, allophanate, biuret, iminooxadiazinedione and oxadiazinetrione structure that are present in the polyisocyanate composition A); (b) catalytically trimerizing the polyisocyanate composition A), where (i) the catalytic trimerization is conducted at ambient temperatures of at least 80°C; (ii) the catalytic trimerization is conducted within less than 2 hours at least up to a conversion level at which only at most 20% of the isocyanate groups originally present in the polyisocyanate composition A) are present; (iii) the catalytic trimerization takes place under quasi-adiabatic conditions which are characterized in that the material temperature at at least one juncture is at least 10°C above ambient temperature. The invention further relates to solids made from polyisocyanurate plastic, obtainable by the process of the invention.
C08G 18/09 - Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
C08G 18/02 - Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
The present invention relates to novel polyisocyanurate plastics which are obtainable by catalytic trimerization of a polyisocyanate composition A) which contains oligomeric polyisocyanates and is low in monomeric diisocyanates. "Low in monomeric diisocyanates" means that the polyisocyanate composition A) has a content of monomeric diisocyanates of at most 20% by weight. The invention further relates to the use of these polyisocyanurate plastics for production of coatings, films, semi-finished products and mouldings, and to a process for producing polyisocyanurate plastics comprising the following steps: (a) providing a polyisocyanate composition A) which contains oligomeric polyisocyanates and is low in monomeric diisocyanates, "low in monomeric diisocyanates" meaning that the polyisocyanate composition A) has a content of monomeric diisocyanates of at most 20% by weight; (b) catalytically trimerizing the polyisocyanate composition A).
The invention relates to a method for producing polyurethane foams by reacting an isocyanate component with a component that is reactive to isocyanates and that comprises at least one polyether carbonate polyol, the reaction taking place in the presence of an amine antioxidant. The invention also relates to polyurethane foams produced according to the claimed method and to the use of said foams.
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
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 5/18 - Amines; Quaternary ammonium compounds with aromatically bound amino groups
The present invention relates to a method for producing a viscoelastic polyurethane soft foam. The invention further relates to a viscoelastic polyurethane soft block foam or viscoelastic polyurethane soft molded foam having particularly high tensile strengths, which are produced by the method according to the invention, and to the use of said foams. The present invention further relates to polyol compositions which are suitable for the production of viscoelastic polyurethane foams.
C08G 65/04 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
23.
APPARATUS AND METHOD FOR EVAPORATING LIQUIDS CONTAINING POTENTIALLY EXPLOSIVE IMPURITIES
An apparatus and a method for evaporating liquids containing potentially explosive impurities of lower volatility than the actual liquid compound. The set-up of the evaporator allows its operation with complete evaporation of a liquid without formation of a liquid sump of not yet evaporated liquid.
F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
F28D 7/06 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
24.
POLYURETHANE FOAMS BASED ON POLYETHER CARBONATE POLYOLS
The present invention concerns a method for producing polyurethane foams by reacting an isocyanate component with a component that is reactive to isocyanates and that comprises at least one polyether carbonate polyol, the reaction taking place in the presence of a non-amine antioxidant and an amine antioxidant. The invention also concerns polyurethane foams produced using the claimed method and the use of said foams.
C08G 18/72 - Polyisocyanates or polyisothiocyanates
C08J 9/04 - 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
The invention relates to a method for producing aniline, comprising the steps of: a) providing o-aminobenzoate, wherein said o-aminobenzoate comprises anthranilate anion and a suitable cation, b) converting said anthranilate anion to aniline by thermal decarboxylation in the presence or absence of a catalyst, c) extracting the aniline produced in step b) in an organic solvent at least once, and d) purifying the aniline produced in steps b) and c) by distillation, wherein said distillation produces aniline and a water phase.
C07C 209/68 - Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
The invention provides a recombinant microbial host cell capable of converting a raw material comprising a fermentable carbon substrate to o- aminobenzoate biologically. The invention further provides A method for producing aniline, comprising the steps of: a) producing o-aminobenzoate by fermentation of a raw material comprising at least one fermentable carbon substrate using the recombinant microbial host cell of the capable of converting said raw material comprising at least one fermentable carbon substrate to o-aminobenzoate biologically, wherein said o-aminobenzoate comprises anthranilate anion, b) converting said o-aminobenzoate from said anthranilate anion to anthranilic acid by acid protonation, c) recovering said anthranilic acid by precipitation or by dissolving in an organic solvent, and d) converting said anthranilic acid to aniline by thermal decarboxylation in an organic solvent.
C12N 1/21 - Bacteria; Culture media therefor modified by introduction of foreign genetic material
C07C 209/68 - Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
C12N 1/15 - Fungi ; Culture media therefor modified by introduction of foreign genetic material
C12N 1/19 - Yeasts; Culture media therefor modified by introduction of foreign genetic material
C12N 15/31 - Genes encoding microbial proteins, e.g. enterotoxins
The invention relates to a method for producing polyurethane soft foam by reacting an isocyanate component with a component which is reactive towards isocyanates. The component which is reactive towards isocyanates comprises a mixture of at least one polyether carbonate polyol and a polyether polyol as the constituents. In the component which is reactive towards isocyanates, the total proportion of polyether carbonate polyols is = 20 wt.% to = 80 wt.% and the total proportion of polyether polyol is = 20 wt.% to = 80 wt.%, based on the total weight of the provided polyols. The invention further relates to a polyurethane soft foam produced using said method.
The invention relates to a multilayer structural component. The lightweight component comprises a first and a second fiber-composite layer. A foam layer made of foamed plastic is arranged between the first and the second fiber-composite layers. The first and the second fiber-composite layers respectively have at least one fiber ply which is made of a fiber material and which has been embedded into a matrix based on a thermoplastic. The structural component comprises an anchoring structure with a base for linkage to a force-introducing element, and with a branching structure. The branching structure comprises at least three branches extending from the base in various directions. The branching structure of the anchoring structure is embedded into the foam layer.
B29C 70/34 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression
B29C 44/12 - Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
B29C 44/14 - Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
B29C 70/08 - Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, with or without non-reinforced layers
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
The invention relates to screw elements for multi-shaft screw machines with paired co- directionally rotating screw shafts, use of the screw elements in multi-shaft screw machines and a method for extruding plastic compositions using these screw elements and also a method for producing the screw elements. The screw elements are characterized by a certain ratio of a radius of curvature of the screw profile to the outer radius of the profile of the screw at a point which cleans the barrel.
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
B29B 7/48 - Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
The invention relates to a multi-layer, preferably co-extruded, plastic film with improved modulus properties, which is suitable, in particular, for producing three- dimensionally shaped articles. The multi-layer plastic film has a layer A containing at least one polycarbonate or copolycarbonate and/or at least one polyester or copolyester. The layer A has a glass transition temperature Tg from 80 C to 200 C. The multi-layer plastic film also has at least one layer B, which contains at least one thermoplastic polyurethane, polyester and/or copolyester, wherein the at least one layer B exhibits a hardness from 45 Shore D to 85 Shore D, and wherein the adhesive force between the layer A and the at least one layer B is greater than 0.5 N/mm, determined in accordance with ASTM D 903 98.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 7/02 - Physical, chemical or physicochemical properties
The invention relates to a multi-layer, preferably co-extruded, plastic film with improved modulus properties, which is suitable, in particular, for producing three-dimensionally shaped articles. The multi-layer plastic film has a core layer A containing at least one polycarbonate or copolycarbonate and/or at least one polyester or copolyester. The core layer has a glass transition temperature Tg from 80 °C to 200°C, and is located between two outer layers B. The two outer layers B contain at least one thermoplastic polyurethane, and exhibit a hardness from 45 Shore D to 85 Shore D. The invention also relates to three-dimensionally shaped articles obtained by three-dimensionally forming the multi-layer plastic film.
The Invention relates to a multi-layer, preferably co-extruded, plastic film with improved modulus properties, which is suitable, in particular, for producing three- dimensionally shaped articles.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
B29B 7/48 - Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
34.
METHOD FOR MAKING A POLYCARBONATE MULTI-LAYER STRUCTURE
The invention relates to the use of a preparation comprising A) 0.1 to 20 wt % of a binding agent with a polycarbonate derivative based on a geminally disubstituted dihydroxydiphenyl cycloalkane, B) 30 to 99. 9 wt % of an organic solvent or of a mixture of solvents, C) 0 to 10 wt % , referred to dry mass, of a dye or of a mixture of dyes, D) 0 to 10 wt % of a functional material or of a mixture of functional materials, E) 0 to 30 wt % of additive and/or auxiliary substances, or of a mixture of such substances, the relative amounts of the components A) to E) always totaling 100 wt %, as an ink jet printing dye.
patents
