The present invention relates to a fireproofed multilayer tubular structure for cooling electric vehicle batteries or stationary energy storage system batteries, the tubular structure comprising at least two layers: an inner layer (I) comprising at least 40% of at least one thermoplastic polymer P1 selected from a polyolefin and a thermoplastic elastomer and up to 5% by weight of a compound selected from a heat stabiliser and a metal deactivator or a mixture thereof; and an outer layer (II) comprising a composition based on at least one predominant polymer, the composition comprising, by weight: a) at least 50% of at least one polyamide; b) from 15 to 38% of at least one fireproofing agent; c) from 4 to 20%, in particular 4 to 15%, of a polyolefin; d) from 0 to 10%, in particular from 0.1 to 10%, by weight of at least one plasticiser; and e) from 0 to 5%, in particular from 0.1 to 5%, of at least one additive, the sum of a) + b) +c) + d) + e) being equal to 100%.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
The present invention relates to a multilayer tubular structure (MLT) intended for transporting a heat-transfer fluid, said multilayer tubular structure comprising: - at least one layer (1) comprising a composition (1) comprising mostly at least one long-chain polyamide (PA) having 10 to 15 carbon atoms per nitrogen atom and comprising at least 50% of aliphatic units relative to the sum of the units present in said long-chain polyamide; - at least one layer (2) located beneath said layer (1) comprising a composition (2) comprising mostly at least one polyamide containing 4 to 9 carbon atoms per nitrogen atom; - at least one layer (3) comprising a composition (3) comprising mostly a hydrophobic polymer, in particular a polypropylene or a polyethylene; and - a layer (4) comprising either a composition (4) comprising a PA6, a PA66 or a mixture thereof, from 5 to 50% by weight of at least one polyolefin, up to 2% by weight of at least one plasticiser and up to 2% by weight of an additive relative to the total weight of said composition (4) or a composition (4') comprising mostly at least one C8-C14 aliphatic polyamide, said layer (4) being in contact with said fluid being transported, and the thickness of said layer(s) (2) representing at least 70% of the total thickness of the tube.
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 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
Foamed acrylic materials using both traditional chemical blowing agents as well as foamable microspheres. The acrylic foams have improved density reduction, optical properties, and insulation properties. The acrylic foams can be formed by traditional melt processing methods (extrusion, blow molding, etc.) as well as innovative foaming methods, such as foaming during or after polymerization. One method involves the use of expandable microspheres blended with monomers, the monomers then polymerized through bulk polymerization in cell cast, infusion, or compression molding processes. This method can be effectively used to produce composite foam structures.
C08L 33/12 - Homopolymers or copolymers of methyl methacrylate
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
C08J 9/06 - 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 chemical blowing agent
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
4.
PEBA FOR DIRECT ADHESION TO TPU COMPRISING HOLLOW GLASS BEADS
The present invention relates to an article comprising a first polymeric material having at least one polyamide PA block copolymer and PE polyether blocks (PEBA) and a second polymeric material having at least one thermoplastic polyurethane (TPU), wherein the first polymeric material directly adheres to the second adherent polymeric material, and wherein the second polymeric material comprises hollow glass beads. The present invention also relates to the assembly by a method of direct adhesion of the first polymeric material to the second polymeric material comprising hollow glass beads.
B32B 7/10 - Interconnection of layers at least one layer having inter-reactive properties
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 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
A single-layer tubular structure intended to convey fluids for a motor vehicle, formed by a layer formed by a composition predominantly including at least one catalyzed semi-crystalline aliphatic polyamide, the composition being formed by at least 30% by weight, in particular at least 50% by weight, of recycled material originating from at least one single-layer and/or multi-layer tube that was intended to convey fluids for a motor vehicle, the at least one single-layer and/or multi-layer tube being formed by a composition that predominantly includes at least one catalyzed or non-catalyzed polyamide, said at least one single-layer and/or multi-layer tube having been crushed, then at least recompounding with or without the addition of at least one catalyst to be able to be recycled, a simple one-off crushing being excluded.
The present invention relates to an article comprising a first polymeric material having at least one PA polyamide block copolymer and PE polyether blocks (PEBA) and a second polymeric material having an elastomeric thermoplastic polymer (TPE), wherein the first polymeric material and the second polymeric material directly adhere to each other, and wherein the first polymeric material comprises hollow glass beads. The present invention also relates to the assembly of the first polymeric material comprising hollow glass beads and the second polymeric material by means of a direct adhesion method.
B32B 7/10 - Interconnection of layers at least one layer having inter-reactive properties
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 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
A linear aliphatic polyamide obtained by polycondensation of at least one linear aliphatic unit chosen from a C6 to C12 alpha, omega-aminocarboxylic acid, a C6 to C12 lactam and a (Ca-diamine).(Cb-diacid) unit, with a representing the number of carbon atoms of the diamine and b representing the number of carbon of the diacid, a and b being between 4 and 18, the polyamide having a difference, expressed as an absolute value, between its total acidity and its total basicity of between 35 and 180, and a total basicity or a total acidity strictly less than 35 μeq/g. Also, a method for its preparation and to its uses in the textile field.
C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
Imide-linked polymeric photoinitiators and compositions useful in the preparation of such polymeric photoinitiators and to the use of these polymers in, e.g., UV curable adhesives, UV curable coating compositions and UV curable encapsulants.
(METH)ACRYLIC COMPOSITION, POLYMERIC COMPOSITE MATERIAL OBTAINED FROM SUCH A COMPOSITION, METHOD FOR PRODUCING SAID COMPOSITION AND MATERIAL, AND USES THEREOF
The present invention relates to a (meth)acrylic composition suitable for (meth)acrylic polymeric compositions and composites, its method of preparation and its use. In particular the present invention relates to a (meth)acrylic composition that possesses once polymerized a certain heat resistance and that is suitable for (meth)acrylic composites used at higher temperatures. More particularly the present invention relates to a (meth)acrylic composition suitable for preparing (meth)acrylic polymeric compositions and composite materials. The present invention also relates also to a method for the preparation of such a (meth)acrylic composition and its use, but also (meth)acrylic polymeric compositions and composite materials prepared from such a (meth)acrylic composition. Additionally the invention also relates to a manufacturing process and to the uses of such a composite material that may be applied in many industrial sectors.
The invention relates to a purification method for purifying a vinylidene fluoride polymer comprising at least one impurity, the method comprising the following steps: washing of the vinylidene fluoride polymer with a stream of supercritical fluid; and extraction of residual supercritical fluid from the vinylidene fluoride polymer.
The invention relates to a purification method for purifying a vinylidene fluoride polymer comprising at least one impurity, the method comprising the following steps: washing of the vinylidene fluoride polymer with a stream of supercritical fluid; and extraction of residual supercritical fluid from the vinylidene fluoride polymer.
The invention also relates to a vinylidene fluoride polymer, a fluid conveyance part comprising or consisting of said polymer; as well as the use of said fluid conveyance part.
The use, for seamless textile assembly by printing, of a copolyamide including: a) at least one hard segment obtained by polycondensation of at least one of the following: (i) an α,ω-aminocarboxylic acid; (ii) a lactam; and/or (iii) an aliphatic diacid with 6 to 22 carbon atoms and at least one aliphatic diamine with 2 to 14 carbon atoms, and, optionally, b) at least one soft segment obtained by polycondensation of at least one diacid with 4 to 44 carbon atoms with at least one diamine chosen from diamines with 2 to 44 carbon atoms and polyoxyalkylene diamines, the copolyamide having a melting temperature Tm above 80° C. and below 210° C. and a viscosity at 170° C., as measured according to standard ASTM D3236-88 (2009), using a Brookfield rheometer with SC 4-27 spindle, of between 5 Pa·s and 100-200 Pa·s.
The invention relates to a method for curing a curable composition, comprising a step of curing at a temperature of 100°C or more and in the absence of oxygen, said composition with an organic peroxide formulation comprising a drying oil. The present invention also pertains to articles obtainable by said method.
A film, a manufacturing method of the film, a cover film, and a multi-layered electronic device include an elastic layer having a storage modulus index KSM of 20 to 350 Mpa represented by Equation 1 below and a haze of 3% or less, thereby providing the film having substantially low storage modulus variations over a wide temperature range, with good mechanical properties such as excellent elastic recovery force and good optical properties such as low haze, and provide the cover film or the multi-layered electronic device including the same.
A film, a manufacturing method of the film, a cover film, and a multi-layered electronic device include an elastic layer having a storage modulus index KSM of 20 to 350 Mpa represented by Equation 1 below and a haze of 3% or less, thereby providing the film having substantially low storage modulus variations over a wide temperature range, with good mechanical properties such as excellent elastic recovery force and good optical properties such as low haze, and provide the cover film or the multi-layered electronic device including the same.
K
SM
=
(
SM
-
40
×
SM
80
SM
20
)
-
SM
80
[
Equation
1
]
Where SMn is a storage modulus (Mpa) measured at a temperature of n° C.
An insulated conductor including: at least one electrical conductor; and, an insulating coating covering said electrical conductor, having n layer(s), “n” being an integer greater than or equal to 1, the nth layer being the outermost layer having a pseudo-amorphous composition Cn including at least 50% by weight of a polyaryletherketone. A process for manufacturing the insulated conductor, a heat-welding process using two sections of insulated conductor, and a coil capable of being obtained by heat-welding a winding of the insulated conductor.
H01B 3/42 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes polyacetals
H01B 3/30 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
16.
PVDF FILTERING FACE-PIECE RESPIRATOR AND RECYCLING METHOD
The invention relates to a respiratory protection mask made of polyvinylidene fluoride and to a method for manufacturing said mask. The invention also relates to a method for reconditioning said mask. The invention also relates to a method for recycling this respiratory protection mask.
The invention relates to an organic peroxide formulation comprising: – at least one organic peroxide having a one hour half-life temperature of from 90°C to 130°C, and – at least one drying oil, wherein the weight ratio of the drying oil to the organic peroxide is lower than or equal to 0.60. The invention also relates to a composition comprising at least one polymer and such an organic peroxide formulation, to preparation methods thereof, and to a method for manufacturing an article using such a composition.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
Goods & Services
Chemical preparations to be applied on metal surfaces before
coating. Preservatives against rust and against corrosion,
agglutinants for paints, fixatives and protection products
for metals. Rust removing products.
The present invention relates to a method for preparing a fatty-chain high-molecular-weight alkoxylate, comprising treating the reaction medium with an acid having a pKa of 3.5 or less.
The present invention relates to a composition comprising: at least one copolymer of which at least one of the repeating units comprises at least one amide function; and at least one polyether having a molecular weight (Mw) greater than 60 g.mol-1. The invention also relates to the use of said composition for delaying, or even preventing, the formation of gas hydrates, in particular in a method for extracting oil and/or gas and/or condensates, as well as to the method for delaying, or even preventing, the formation and/or agglomeration of gas hydrates, using a composition as defined above.
The present invention relates generally to the field of electrical energy storage in all-solid-state batteries, in particular secondary Li-ion batteries. More specifically, the invention relates to a solid electrolyte formed by a polymer matrix and a fibrous reinforcement, which makes it possible to manufacture a non-porous film affording a very good compromise between ion conductivity, electrochemical stability, high-temperature stability and mechanical strength. This film is intended for application as a separator of all-solid-state batteries, in particular for Li-ion batteries. The invention also relates to an all-solid-state battery comprising such a separator and/or such an electrolyte.
H01M 10/0564 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
The present invention relates to the use of a formulation which is liquid at ambient temperature comprising at least one terpene derivative for the fixing and the release of hydrogen in at least one hydrogenation/dehydrogenation cycle of said formulation.
The present invention relates to the use of a formulation which is liquid at ambient temperature comprising at least one terpene derivative for the fixing and the release of hydrogen in at least one hydrogenation/dehydrogenation cycle of said formulation.
The invention also relates to the use of said formulation for the transportation and the handling of hydrogen resulting from the steam cracking of petroleum products, of inevitable hydrogen resulting from chemical reactions, such as the electrolysis of salt, or of hydrogen resulting from the electrolysis of water.
A method for making a high temperature composite, which is a carbon carbon composite, carbon fiber reinforced ceramic matrix composite, ceramic fiber reinforced ceramic matrix composite, or a carbon silica composite, including: a) providing a precursor part including a resin comprising a poly(aryl ether ketone) (PAEK) and at least one reinforcing material, wherein the resin has a degree of crystallinity of 10% or more; b) pyrolyzing the precursor part to a pyrolyzed part; c) infusing a liquid second resin into the pyrolyzed part to make an infused part; and d) pyrolyzing the infused part to make the carbon carbon composite carbon fiber reinforced ceramic matrix composite, ceramic fiber reinforced ceramic matrix composite, or the carbon silica composite, optionally repeating steps c. through d. Also, a carbon carbon composite, carbon fiber reinforced ceramic matrix composite, ceramic fiber reinforced ceramic matrix composite, or carbon silica composite made by the method.
A nonwoven web obtained by electrospinning, suitable for the filtration of nano- and/or submicron aerosols, including a multiplicity of fibers of composition C1, the composition C1 including at least 50% by weight of at least one polymer P1 based on the repeat unit resulting from vinylidene fluoride (VDF), the fibers of composition C1 having a degree of crystallinity in polar phase(s), preferentially in solely beta phase, of at least 65% by weight, with respect to their total weight. Also, a process for the manufacture of the web, to a membrane including the web and also to a process for the washing/sterilization of the web or of the membrane.
D04H 1/724 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged forming webs during fibre formation, e.g. flash-spinning
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B01D 71/40 - Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
The invention relates to a composition consisting of 75 to 98 wt %, relative to the weight of the composition, of at least one hydrophilic elastomeric thermoplastic polymer (TPE) A selected from (a1) copolymers containing polyester blocks and polyether blocks, (a2) copolymers containing polyurethane blocks and polyether blocks or polyester blocks and/or mixtures thereof; 2 to 15% by weight, relative to the weight of the composition, of at least one copolymer B comprising units derived from ethylene, from an alkyl (meth)acrylate and from a comonomer comprising at least one acid, anhydride or epoxide function; and 0 to 10% by weight, relative to the weight of the composition, of at least one additive. The invention further relates to a process for manufacturing a film and to said film.
A mixture of solid and hollow glass reinforcers with an alloy of at least one polyamide and of at least one polyolefin, the mixture of solid and hollow glass reinforcers including from 5% to 60% by weight of hollow glass beads relative to the sum of the solid and hollow glass reinforcers, the alloy-mixture proportions being from more than 50% to 75% of said mixture of solid and hollow glass reinforcers, to prepare a composition having a modulus, when dry at 20° C., of from 5 GPa to less than 8 GPa as measured according to ASTM D-2520-13, at a frequency of at least 1 GHz, at 23° C., under 50% RH.
C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
C08L 51/06 - 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 homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
The present invention concerns a zeolitic adsorbent agglomerate comprising at least one zeolite of faujasite type comprising barium and/or potassium, of porosity between 25% and 45%, and having a standard deviation σ of crystal size distribution in said agglomerate of less than 0.30 μm.
The present invention concerns a zeolitic adsorbent agglomerate comprising at least one zeolite of faujasite type comprising barium and/or potassium, of porosity between 25% and 45%, and having a standard deviation σ of crystal size distribution in said agglomerate of less than 0.30 μm.
The invention also concerns the use of the zeolitic adsorbent agglomerate for the separation of hydrocarbon mixtures, and the process for separating hydrocarbon mixtures using said zeolitic adsorbent agglomerate.
C07C 7/11 - Purification, separation or stabilisation of hydrocarbons; Use of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
28.
METHOD FOR RECYCLING FILTERING FACEPIECE RESPIRATORS
The invention relates to a method for recycling respiratory protection masks comprising a plurality of layers manufactured from a single thermoplastic polymer chosen from polypropylene, polyethylene terephthalate, polylactic acid, homopolymers and copolymers of polyamide 6 (PA6) and long-chain polyamides such as PA11 or PA12, and comprising a filtration layer made of polyvinylidene fluoride.
Disclosed are photo-curable compositions and processes to produce a 3D high-frequency dielectric material for use as an insulator in a circuit such as, for example, a high-performance RF component such as, for example, an antenna for electromagnetic transmission, a filter, a transmission line, or a high frequency interconnect. The high frequency circuit structures have a very low dielectric loss at operating frequencies (1-60 GHz).
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
C09D 135/02 - Homopolymers or copolymers of esters
The invention relates to modified zeolite crystals comprising zeolite crystals and from 0.5% to 20%, by weight, endpoints included, relative to the total weight of modified zeolite crystals, of at least one polymeric compatibilizer, more particularly a functional polyolefin.
The invention relates to modified zeolite crystals comprising zeolite crystals and from 0.5% to 20%, by weight, endpoints included, relative to the total weight of modified zeolite crystals, of at least one polymeric compatibilizer, more particularly a functional polyolefin.
The invention also relates to the use of the modified zeolite crystals according to the invention as a filler in a polymer matrix, for example for the preparation of composite materials.
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
31.
UREA (METH)ACRYLATE OR UREA-URETHANE (METH)ACRYLATE OLIGOMER, COMPOSITIONS COMPRISING SAME AND USES THEREOF
The present invention concerns a urea (meth)acrylate or urea-urethane (meth)acrylate oligomer comprising: - at least two urea bonds, more particularly at least two hindered urea bonds, - at least two (meth)acryloyloxy groups, more particularly at least two acryloyloxy groups, and - optionally at least one urethane bond, more particularly optionally at least two urethane bonds. The present invention is also directed to a polymerizable composition comprising at least one oligomer according to the present invention and optionally at least one other ethylenically unsaturated compound. A process for manufacturing a crosslinked product, comprising a step of crosslinking a polymerizable composition according to the invention, also forms part of the invention. A process for manufacturing a three-dimensional object, comprising a step of additive manufacture using a polymerizable composition according to the invention, also forms part of the invention. The invention is also directed to a crosslinked product obtained by crosslinking a polymerizable composition according to the invention or obtained by a process according to the invention. Lastly, the invention concerns the use of an oligomer according to the invention as binder in a polymerizable composition or in a composition for additive manufacture, and the use of a polymerizable composition according to the invention for obtaining an ink, a coating, a material filled with fibrous or particulate reinforcements which may be carbon nanotubes or graphite, an adhesive, a moulded material, an inking plate, an electrode binder, or an object obtained by additive manufacture.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/67 - Unsaturated compounds having active hydrogen
C08G 18/72 - Polyisocyanates or polyisothiocyanates
C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
C09D 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
C08G 18/50 - Polyethers having hetero atoms other than oxygen
B33Y 80/00 - Products made by additive manufacturing
B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
32.
POLYOL CATALYST FOR A TWO-COMPONENT POLYURETHANE SYSTEM
The present invention relates to a polyol catalyst for producing polyurethanes, comprising: - at least two alcohol functional groups; - at least one catalyst functional group selected from imidazole and/or tertiary amine functional groups; - at least one urea functional group. The present invention also relates to a method for preparing a catalyst according to the invention. A two-component crosslinkable polyurethane composition comprising: a) a polyisocyanate component; b) a polyol component based on a polyol catalyst according to the invention; and optionally another polyol component without a catalyst functional group selected from the imidazole and/or tertiary amine functional groups also forms part of the invention. Lastly, the invention relates to a coating composition based on a two-component crosslinkable polyurethane composition according to the invention, to a method for preparing such a coating, and to a substrate coated with a two-component crosslinkable polyurethane composition according to the invention.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
C08G 18/67 - Unsaturated compounds having active hydrogen
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
122 is independently selected from H and Me; L is the residue of a polyol; each a is independently from 2 to 4; each b is independently 0 to 20 with the proviso that at least one b is not 0; c is at least 3. The invention also relates to compositions comprising a compound of formula (I) and a process for the preparation of a cured product. Cured products according to the invention are in particular 3D-printed articles.
The invention relates to a method (100) for producing a bent thermoplastic composite, comprising 35 % or less in volume of a polymeric matrix including (meth)acrylic polymers, and at least 65 % in volume of fiber, said method comprising: - A step of providing (110) the thermoplastic composite, - A step of heating (120) a portion of the thermoplastic composite, said heating being selected between, conduction, radial and/or volumetric and the heating duration and/or the heating temperature being selected according to at least the thickness of the thermoplastic composite, - A step of creating (130) a bent section in the heated portion by bending the heated portion, and - A step of cooling (140) the bent section to solidify it and to form a bent thermoplastic composite, at a cooling temperature and/or a cooling duration selected in accordance with the glass transition temperatures (Tg) of the bent thermoplastic composite.
The present invention relates to mixtures comprising at least a first population P1 of inorganic solids having an average diameter by volume (DMV1) and a second population P2 of inorganic solids having an average average diameter by volume (DMV2), the DMV2/DMV1 ratio of which is between 0.10 and 0.60 inclusive. The present invention also relates to the use of said mixtures for catalytic reactions or separation operations, gas- and/or liquid-drying operations.
B01D 15/00 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
B01D 53/00 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
123412344 are independently selected from H, F and Cl; and - at least one aliphatic alkene having a boiling point of less than or equal to 80°C measured at 1013 hPa; wherein the (hydro)halogenated olefin is solely in gaseous form or is in the form of a liquid-gas equilibrium.
An actinic radiation curable composition includes one or more oxetane functional compounds; b) one or more epoxy functional compounds; c) one or more (meth)acrylate functional compounds; and d) one or more photoinitiators. The oxetane functional compounds are present in the composition at from 55% to 90%, preferably from 60% to 90%, more preferably from 70% to 90%, by weight based on the total weight of the oxetane functional compounds and the epoxy functional compounds in the composition.
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
G03F 7/027 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
B33Y 70/00 - Materials specially adapted for additive manufacturing
38.
MOLDING COMPOSITIONS BASED ON POLYAMIDE, ON CARBON FIBERS AND ON HOLLOW GLASS BEADS AND USE THEREOF
Molding composition, including by weight: (A) from 38 to 79.5% of at least one semi-crystalline aliphatic polyamide with the exclusion of PA6 and PA66, (B) from 10 to 20% of carbon fibres, (C) from 10 to 20% of hollow glass beads, (D) from 5.5 to 10% of at least one impact modifier having a flexural modulus of less than 200 MPa, in particular less than 100 MPa, as measured according to standard ISO 178: 2010, at 23° C., and (E) from 0.1 to 1% by weight of at least one additive, the sum of the proportions of each constituent (A)+(B)+(C)+(D)+(E) of the composition being equal to 100%.
C08L 77/10 - Polyamides derived from aromatically bound amino and carboxyl groups of amino carboxylic acids or of polyamines and polycarboxylic acids
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
The present invention relates to novel photoinitiators having hydroxyl groups and/or (meth)acrylate groups. The invention also relates to compositions comprising these photoinitiators as well as their use for photopolymerizing ethylenically unsaturated compounds.
C07C 235/20 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated having at least one of the singly-bound oxygen atoms further bound to a carbon atom of a six-membered aromatic ring, e.g. phenoxyacetamides having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
C07D 295/108 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulfur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
C08F 265/00 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group
The present invention relates to chemically bonded nonwoven substrates and to polyester binders for chemically bonding nonwoven fibers of a nonwoven substrate.
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
Depolymerization method and system The depolymerization method is provided for recovering a monomer from a polymer and comprises the successive steps of pyrolyzing a feed material containing the polymer into a pyrolysis reactor so as to generate a gas stream, directing the gas stream from the pyrolysis reactor to a separator configured for removing impurities from the gas stream and directing the gas stream from the separator to a condenser for condensing the monomer contained in the gas stream. The temperature of the gas stream in the separator is maintained equal or higher than the boiling temperature of the monomer.
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
C07C 67/333 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton
C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
C10B 57/06 - Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
B01D 5/00 - Condensation of vapours; Recovering volatile solvents by condensation
C10B 47/00 - Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
The present invention concerns an improved depolymerization process of contaminated polymers such as PMMA, comprising the separation of contaminants from the resulting monomers, by using appropriate agents for trapping the contaminants.
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
C07C 67/333 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton
C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
C10G 1/02 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation
The present invention relates to the use of a solid desiccant containing at least one kaolin compound, for drying wet gas comprising traces of alkali hydroxide. The invention also relates to the method for drying wet gas comprising traces of alkali hydroxide, comprising at least one step of bringing said wet gas into contact with a solid desiccant containing at least one kaolin compound.
B01D 53/02 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
C01B 3/58 - Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids including a catalytic reaction
B01D 53/28 - Selection of materials for use as drying agents
44.
METHOD FOR MAKING HIGHLY CRYSTALLINE AND THERMALLY STABLE VINYLIDENE FLUORIDE-BASED POLYMERS
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE MONTPELLIER (France)
ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIER (France)
Inventor
Bonnet, Anthony
Devisme, Samuel
Ameduri, Bruno
Eid, Nadim
Abstract
The invention relates to a method of polymerizing at least one monomer comprising a vinylidene fluoride monomer, the method comprising putting in contact the at least one monomer with a polymerization initiator -and an oxidizing agent, the polymerization initiator having the formula (I):
The invention relates to a method of polymerizing at least one monomer comprising a vinylidene fluoride monomer, the method comprising putting in contact the at least one monomer with a polymerization initiator -and an oxidizing agent, the polymerization initiator having the formula (I):
The invention relates to a method of polymerizing at least one monomer comprising a vinylidene fluoride monomer, the method comprising putting in contact the at least one monomer with a polymerization initiator -and an oxidizing agent, the polymerization initiator having the formula (I):
wherein Rf is a fluoroalkyl group comprising from 1 to 3 carbon atoms; and Mx+ is chosen from a monovalent cation, or a divalent cation, or a trivalent cation, or a tetravalent cation.
The present invention relates to a composition comprising a multistage polymer, it s process of preparation, composition comprising it and its use. In particular the present invention relates to a composition in form of a polymer powder comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth) acrylic polymer. More particularly the present invention relates to polymer composition in form of a porous polymer powder comprising polymeric particles made by a multistage process comprising at least two stages and a (meth) acrylic polymer, it s process of preparation, its use and compositions and articles comprising it.
C08F 285/00 - Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
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
46.
(METH)ACRYLIC COMPOSITION FOR COMPOSITE, ITS METHOD OF PREPARATION AND USE
The present invention relates to a (meth)acrylic composition suitable for (meth)acrylic polymeric compositions and (meth)acrylic polymeric composites, its method of preparation, its use and obtained (meth)acrylic polymeric compositions and (meth)acrylic polymeric composites. In particular the present invention relates to a (meth)acrylic composition that is crosslinked once polymerized and that is suitable for (meth)acrylic composites and more particular for reinforcing elements or fibre reinforced polymer (FRP) rebars. More particularly the present invention relates to a (meth)acrylic composition suitable for producing reinforcing elements or FRP rebars, preparing such a (meth)acrylic composition, composite reinforcing elements or rebar comprising it after polymerization and method of preparing such a composite reinforcing elements or FRP rebar. The present invention also relates also to the use of such a (meth)acrylic composition and the use of reinforcing elements or FRP rebars for concrete
The present invention relates to a (meth)acrylic composition and also to a composite material obtained by polymerization of such a (meth)acrylic composition. In particular the present invention relates to a (meth)acrylic composition comprising also a block copolymer, preferably a (meth)acrylic block copolymer and also to a composite material obtained by polymerization of such a (meth)acrylic composition comprising a block copolymer, preferably a (meth)acrylic block copolymer. More particularly the present invention relates to a (meth)acrylic composition comprising also a (meth)acrylic block copolymer and a mineral filler as well to a composite material obtained by polymerization of such a (meth)acrylic composition comprising a (meth)acrylic block copolymer and a mineral filler. The invention also relates to a manufacturing process of a (meth)acrylic composition comprising a (meth)acrylic block copolymer and a mineral filler, manufacturing process of composite material obtained by polymerization of such a (meth)acrylic composition and also to the uses of such a (meth)acrylic composition and obtained composite material.
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
48.
METHOD FOR PRODUCING HIGH-PURITY BORON TRIFLUORIDE
The present invention relates to a method for producing gaseous boron trifluoride comprising the steps of: a) providing a composition A comprising boron trifluoride (BF3) and one or more volatile additional compounds F1; b) to a reactor containing sulphuric acid, adding a solution B comprising oleum and one or more volatile additional compounds F2 to form a mixture C of sulphuric acid having a titer greater than 100%, advantageously greater than 101%, preferably greater than 102%, more preferably greater than 105%, particularly greater than 110%, more particularly greater than 114%; c) adding the composition A to the mixture C to form a liquid phase L1 comprising the oleum, the sulphuric acid and the boron trifluoride and a gaseous phase G1 comprising the one or more volatile additional compounds F1 and F2; d) vacuumising the reactor to a pressure P1 between the vapour pressure of the sulphuric acid at the implementation temperature of step d) and the implementation pressure of step c) to remove the gaseous phase G1 comprising the one or more volatile additional compounds F1 and F2 from the reactor; e) adding a solution D containing water, or hydrates of BF3, or an aqueous solution of BF3, to the liquid phase L1 to produce a gaseous stream E of boron trifluoride. The present invention also relates to a composition comprising more than 99.99 wt% of boron trifluoride.
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 comprising the fluorocarbon and a flow F2 comprising hydrogen. The present invention also relates to a process for preparing trifluoroethylene. The present invention also relates to a process for separating a hydrofluoroolefin or a hydrofluoroalkane from nitrogen by membrane separation. The present invention further relates to a process for separating trifluoroethylene from chlorotrifluoroethylene or a hydrofluorocarbon.
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
50.
PROCESS FOR THE PRODUCTION AND PURIFICATION OF TRIFLUOROETHYLENE
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 comprising the fluorocarbon and a flow F2 comprising hydrogen. The present invention also relates to a process for preparing trifluoroethylene. The present invention also relates to a process for separating a hydrofluoroolefin or a hydrofluoroalkane from nitrogen by membrane separation. The present invention further relates to a process for separating trifluoroethylene from chlorotrifluoroethylene or a hydrofluorocarbon.
B01D 71/64 - Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
51.
PROCESS FOR THE PRODUCTION AND PURIFICATION OF TRIFLUOROETHYLENE
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 comprising the fluorocarbon and a flow F2 comprising hydrogen. The present invention also relates to a process for preparing trifluoroethylene. The present invention also relates to a process for separating a hydrofluoroolefin or a hydrofluoroalkane from nitrogen by membrane separation. The present invention further relates to a process for separating trifluoroethylene from chlorotrifluoroethylene or a hydrofluorocarbon.
The present invention relates to a method for preparing secondary and/or tertiary amines, the method comprising an amination step, the amination step being carried out by reacting a primary or secondary alcohol and/or a ketone with ammonia or a primary or secondary amine in the gas phase and in the presence of a catalyst; the catalyst comprising copper and being doped with manganese, the quantity of manganese being between 1% and 10% by weight relative to the total weight of the catalyst.
C07C 209/26 - Preparation of compounds containing amino groups bound to a carbon skeleton by reductive alkylation of ammonia, amines or compounds having groups reducible to amino groups, with carbonyl compounds by reduction with hydrogen
C07C 211/02 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
The present invention relates to a method for reactivating an anthraquinone hydrogenation catalyst for the preparation of hydrogen peroxide, comprising at least one step of bringing said catalyst into contact with an aqueous solution comprising ammonia. The invention also relates to the use of an aqueous ammonia solution for reactivating an anthraquinone hydrogenation catalyst for the preparation of hydrogen peroxide.
The invention relates to a copolymer with amide units and polyether units comprising at least one unit A, at least one unit B and at least one unit C, wherein: - unit A is a specific aliphatic amide unit comprising 10 or more carbon atoms; - unit B is a repeating amide unit selected from among a unit obtained from at least one amino acid, a unit obtained from at least one lactam, and an X2.Y2 unit, unit B comprising from 6 to 36 carbon atoms, advantageously from 6 to 20 carbon atoms; unit A being different from unit B; - unit C is a repeating unit with the formula X3.Y3 obtained from the polycondensation of at least one polyethylene glycol diamine and/or at least one polypropylene glycol diamine denoted by X3 with a molecular weight of between 200 and 1000 and a linear aliphatic dicarboxylic acid denoted by Y3, unit A representing at least 30% by weight relative to the total weight of the copolymer; - the melting temperature being between 75 and 130°C; - the melt flow index being between 5 and 200 cm3/10 min, measured at 160°C under a load of 2.16 kg; and - the tensile modulus on film being less than 200 MPa. The invention also relates to the use thereof as an adhesive.
A43B 13/32 - Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels by adhesives
C08G 69/02 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
C09J 177/00 - Adhesives based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Adhesives based on derivatives of such polymers
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding 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
The present invention relates to a composition comprising a combination of a polymeric processing aid and an impact modifier or polymeric processing aid, its exact composition and its process of preparation and use. In particular, the present invention relates to a composition comprising a combination of a polymeric processing aid and an impact modifier or a polymeric processing aid; and its use for filled impact modified halogen containing thermoplastic polymers. More particularly, the present invention relates to a filled halogenated containing polymer composition with a polymeric processing aid and an impact modifier, its composition and its process of preparation.
The present invention relates generally to the field of electrical energy storage in the lithium storage batteries of Li-ion type. More specifically, the invention relates to a non-fibrillizable binder for a dry-coated electrode for Li-ion battery. Another subject matter of the invention is a process for making an electrode using said binder. The invention also concerns the lithium-ion batteries manufactured by incorporating said electrode.
The present invention relates to a process for the production of hydrogen peroxide by the cyclic Auto-Oxydation -process comprising the two alternate steps of : hydrogenation of a working solution in the presence of a catalyst, wherein said working solution contains at least one quinone dissolved in at least one organic solvent, to obtain at least one corresponding hydroquinone; and oxidation of said at least one hydroquinone; characterized in that the organic solvent has the formula (I): R1-O-R2wherein R1is an aryl group comprising from 6 to 18 carbon atoms and R2is an alkyl group comprising from 1 to 8 carbon atoms, when R2is a methyl group, R1 is different from phenyl.
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (France)
Inventor
Cros, Stéphane
Labarthe, Céline
Laurichesse, Christian
Majorel, Mathis
Abstract
The present invention relates to photopolymerizable adhesive compositions used in the encapsulation of electronic and optoelectronic devices, in particular flexible electronic and optoelectronic devices, for example photovoltaic cells, in order to protect them against gas and moisture permeation.
C09J 4/06 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
C08F 2/48 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
C08F 287/00 - Macromolecular compounds obtained by polymerising monomers on to block polymers
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 comprising the fluorocarbon and a flow F2 comprising hydrogen. The present invention also relates to a process for preparing trifluoroethylene. The present invention also relates to a process for separating a hydrofluoroolefin or a hydrofluoroalkane from nitrogen by membrane separation. The present invention further relates to a process for separating trifluoroethylene from chlorotrifluoroethylene or a hydrofluorocarbon.
B01D 71/64 - Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
B01D 71/70 - Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
60.
RECYCLED POLYAMIDE COMPOSITION AND SINGLE-LAYER TUBULAR STRUCTURE COMPRISING SAME
The present invention relates to a composition predominantly comprising at least one semi-crystalline aliphatic polyamide, said composition consisting of at least 50% of recycled material originating from at least one single-layer and/or multilayer tube having been intended for the transport of automotive fluids, in particular as defined above, said tube consisting of a composition which predominantly comprises at least one polyamide, said at least one tube having undergone grinding and recompounding with a reformulation in order to be able to be recycled, a simple single grinding or a milling and recompounding without reformulation being excluded, said polyamide of said tube having been intended for the transport of automotive fluids and having functions derived from oxidation reactions selected from imide functions, carboxylic acids, primary amides, alcohols and mixtures thereof, in a molar ratio with respect to secondary amide functions, which is higher than that of the same polyamide constituting a tube and/or a non-used tank that has still never conveyed or contained fluids for a motor vehicle.
The present invention relates to a composition predominantly comprising at least one catalyzed semi-crystalline aliphatic polyamide, said composition consisting of at least 30% by weight, in particular at least 50% by weight of recycled material originating from at least one single-layer and/or multilayer tube having been intended for the transport of automotive fluids, in particular as defined above, said at least one single-layer and/or multilayer tube consisting of a composition which predominantly comprises at least one catalyzed or non-catalyzed polyamide, said at least one single-layer and/or multilayer tube having undergone milling and then at least one recompounding with or without addition of at least one catalyst in order to be able to be recycled, a simple single grinding being excluded, said polyamide of said tube having been intended for the transport of automotive fluids having functions derived from oxidation reactions selected from imide functions, carboxylic acids, primary amides, alcohols and mixtures thereof, in a molar ratio relative to the secondary amide functions, which is higher than that of the same polyamide, constituting a non-used tube that has still never been transported or contained in fluids for a motor vehicle.
The invention relates to a process for preparing hydrazine hydrate, comprising a step of hydrolyzing an azine in a distillation column in the presence of at least one silicone of the polydialkylsiloxane, polydiarylsiloxane or polyalkyl-arylsiloxane formula. The invention also relates to the use of at least one silicone of the polydialkylsiloxane formula as an anti-foaming agent in a process for preparing azine hydrate.
The invention relates to a composition containing, with respect to the total weight of the composition: • from 20 to 90%, preferably from 40 to 70%, by weight, of at least one thermoplastic elastomer (TPE), preferably an elastomeric thermoplastic copolymer, and • from 10 to 80%, preferably from 30 to 60%, by weight, of at least one crosslinked rubber powder, the crosslinked rubber powder having a specific surface area of between 0.08 m²/g and 100 m²/g, preferably between 0.1 and 80 m²/g, more preferably between 0.1 and 50 m²/g, • from 0 to 5% of additives, preferably from 0.1 to 4%, in particular from 1 to 2%; • from 0 to 40% of compatibilizing agents, preferably from 5 to 20%, in particular from 10 to 15%.
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
The invention relates to a composition containing, with respect to the total weight of the composition: • from 20 to 90%, preferably from 40 to 70%, by weight, of at least one copolymer comprising polyamide blocks and polyether blocks, and • from 10 to 80%, preferably from 30 to 60%, by weight, of at least one crosslinked rubber powder, derived in particular from used tires; • from 0 to 5% of additives, preferably from 0.1 to 4%, in particular from 1 to 2%; • from 0 to 40% of compatibilizing agents, preferably from 5 to 20%, in particular from 10 to 15%.
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
The present invention relates to a polymer powder for the production of articles by 3D printing, notably by sintering, comprising a thermoplastic polymer, antioxidants, and a metal oxide, a metal hydroxide and/or a particular hydrotalcite, having improved thermal stability, recyclability and constancy of the mechanical properties of the sintered parts. The invention also relates to a process for preparing this powder and the use thereof in a sintering production process, and to the articles produced from said powder.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
A multilayer tubular structure for transporting fluids for a motor vehicle, the structure including at least three layers: at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the composition having at least 50% of recycled material from a single-layer and/or multilayer tube that has been intended for transporting fluids for a motor vehicle, the tube having a composition which predominantly includes at least one polyamide, at least one layer having a composition predominantly including at least semi-crystalline aliphatic polyamide and optionally at least one impact modifier, and when the layer has a composition predominantly including at least one semi-crystalline aliphatic polyamide that is PA12 and/or PA612 and/or PA1010, then the composition includes the impact modifier, and at least one barrier layer, the layer and the barrier layer each having at least 90% of non-recycled material.
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 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
A multilayer tubular structure (MLT) for transporting fluids for a motor vehicle, including at least three layers: at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the composition having at least 50% of recycled material from a single-layer and/or multilayer tube that has been intended for transporting fluids for a motor vehicle, the tube having a composition which predominantly includes at least one polyamide, at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide and optionally at least one impact modifier, and when the layer has a composition predominantly including at least one semi-crystalline aliphatic polyamide that is PA12 and/or PA612 and/or PA1010, then the composition includes the impact modifier, and at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the layer and the layer each having at least 90% of non-recycled material.
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 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
The present invention relates to a method for preparing lithium bis(fluorosulfonyl)imide, comprising the following steps: contacting bis(fluorosulfonyl)imide with a lithium base in a solvent selected from among carbonates, ethers and nitriles to obtain a mixture comprising lithium bis(fluorosulfonyl)imide and water; diafiltration of the mixture across a nanofiltration membrane so as to obtain a lithium bis(fluorosulfonyl)imide-enriched and water-depleted concentrate on the one hand and a a lithium bis(fluorosulfonyl)imide-depleted and water-enriched permeate on the other hand. The present invention also relates to a method for preparing a Li-ion battery.
The present invention relates generally to the field of storing electrical energy in rechargeable Li-ion secondary batteries. More specifically, the invention relates to a cathode composition for a Li-ion battery. The invention also relates to a method for manufacturing such a cathode composition, as well as to Li-ion secondary batteries comprising such a cathode.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
70.
CONTINUOUS METHOD FOR PREPARING POLYAMIDE BY POLYCONDENSATION
The invention relates to a continuous method for preparing polyamide by condensation, the method comprising the following consecutive steps: a) melting a mixture comprising polyamide monomers in an extruder or co-kneader, the monomers being delivered to the extruder or co-kneader without any water being added; and b) carrying out the polycondensation reaction of the mixture obtained at the end of step a) in a horizontal mixer-reactor, steps a) and b) of the method being carried out at a pressure close to atmospheric pressure.
The present invention relates to an additive based on diamide, functionalized polymer and wax, and also to its use as rheology agent, in particular as thixotropic agent, in a binder composition, in particular a coating composition, an adhesive, glue or mastic composition, a moulding composition, a composite material composition, a chemical sealing composition, a leaktightness agent composition, a photocrosslinkable composition for stereolithography or for 3D printing of objects.
A multilayer tubular structure for transporting fluids for a motor vehicle, including at least three layers: at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the composition having at least 50% of recycled material from a multilayer tube that has been intended for transporting fluids for a motor vehicle, the tube having a composition which predominantly includes at least one polyamide, at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide and optionally at least one impact modifier, and when the layer has a composition predominantly including at least one semi-crystalline aliphatic polyamide that is PA12 and/or PA612 and/or PA1010, then the composition includes the impact modifier, and at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the layer and the layer each having at least 90% of non-recycled material.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
B32B 7/02 - Physical, chemical or physicochemical properties
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
F16L 11/04 - Hoses, i.e. flexible pipes made of rubber or flexible plastics
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Acrylic resins in the raw state; chemical additives for inks; chemical additives for paints; anti-run-out agents; anti sedimentation agents; catalysts; chemical products for industry; chemical condensation products; chemical products for the prepartion of colours, pigments, stains or paints; dispersions of plastics materials; aqueous dispersions of synthetic resins; emulsifiers; epoxy resins in the raw state; flocculants; plastics materials in the raw state; plastisols; synthetic resins in the raw state Coatings (paints); dyes for wood; coatings for cardboard (paints); protective coatings for chassis of vehicles; colourants; diluents for colours, pigments, stains or paints; thickeners for colours, pigments, stains or paints; binders for colours, pigments, stains or paints; diluents for lacquers and paints; printing inks; inks (toners) for photocopier apparatus and machines; fixatives (varnishes); engraving inks; printers' pastes (inks); lacquers; paints; pigments; varnishes
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Acrylic resins in the raw state; chemical additives for inks; chemical additives for paints; anti-run-out agents; anti sedimentation agents; catalysts; chemical products for industry; chemical condensation products; chemical products for the prepartion of colours, pigments, stains or paints; dispersions of plastics materials; aqueous dispersions of synthetic resins; emulsifiers; epoxy resins in the raw state; flocculants; plastics materials in the raw state; plastisols; synthetic resins in the raw state Coatings (paints); dyes for wood; coatings for cardboard (paints); protective coatings for chassis of vehicles; colourants; diluents for colours, pigments, stains or paints; thickeners for colours, pigments, stains or paints; binders for colours, pigments, stains or paints; diluents for lacquers and paints; printing inks; inks (toners) for photocopier apparatus and machines; fixatives (varnishes); engraving inks; printers' pastes (inks); lacquers; paints; pigments; varnishes
The invention relates to a method for producing tetrahydrothiophene comprising the following consecutive steps: a) reaction of 1,4-butanediol in the presence of hydrogen sulfide (H2S), in the gas phase, in the presence of at least one catalyst in order to form a stream (A) comprising tetrahydrothiophene, water, and possibly unreacted hydrogen sulfide; b) condensation of the stream (A) in order to obtain a tetrahydrothiophene-rich stream (B) and gaseous effluents (C) containing the non-condensables possibly formed at the end of step a); c) at least one step of purifying, preferably by settling, the stream (B) with separation of the aqueous phase, of the organic phase constituting the stream (D) and of gaseous effluents (E); d) optionally at least one distillation of the stream (D) in order to isolate the tetrahydrothiophene from gaseous effluents (F); e) recovery of the tetrahydrothiophene isolated in step c) and optionally in step d), it being possible for steps b) and c) to be consecutive or simultaneous; f) gas-liquid extraction by means of a column supplied with one or more gas streams (G) comprising gaseous effluents (C) and/or gaseous effluents (E) and optionally gaseous effluents (F) and with a liquid stream of 1,4-butanediol, in order to form, at the column outlet, a gas stream (H) and an enriched liquid stream (I) comprising 1,4-butanediol; g) recirculation of all or part of stream (I) to reaction a).
C07D 233/08 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms with alkyl radicals, containing more than four carbon atoms, directly attached to ring carbon atoms
B01D 3/00 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
C07B 45/00 - Formation or introduction of functional groups containing sulfur
The invention relates to an organic peroxide emulsion containing at least one organic peroxide, at least one emulsifier comprising at least one nonionic surfactant including at least one fatty chain and/or a protective colloid agent, a combination of two or more antigels containing no more than 9.5 wt% of a first antifreeze relative to the total weight of the ethanol emulsion, at least a second antifreeze and water. The invention also relates to a method for preparing such an emulsion, the use of such an emulsion for the polymerization or copolymerization of one or more ethylenically unsaturated monomers, and a halogenated vinyl polymer obtained by the use of such an emulsion.
The invention relates to a composition based on a thermoplastic fluoropolymer powder, in particular on polyvinylidene fluoride (PVDF) with improved flowability, particularly suitable for manufacturing parts by 3D laser sintering. The invention also relates to a method for agglomerating powder layer by layer, by melting or sintering using said composition. The invention finally relates to a three-dimensional article obtained by implementing said method.
C09D 127/12 - Coating compositions based on 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
The invention relates to a method for producing tetrahydrothiophene, comprising a step of reacting 1,4-butanediol or tetrahydrothiophene, in the presence of hydrogen sulfide (H2S), and optionally carbon dioxide in the gas phase, at a temperature of between 200 and 320° C, in the presence of alumina as a catalyst having a sodium oxide content of less than 0.3% by weight relative to the total weight of the catalyst.
The present disclosure relates to the field of road marking, in particular the field of two-component coatings and paints for road marking. More particularly, the present invention relates to compositions comprising block copolymers, in particular acrylic block copolymers, and their use for formulating two-component compositions having improved mechanical properties for road marking uses.
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
E01F 9/518 - Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces formed in situ, e.g. by painting, by casting into the road surface or by deforming the road surface
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08F 287/00 - Macromolecular compounds obtained by polymerising monomers on to block polymers
80.
METHOD FOR RECOVERING HEAVY BY-PRODUCTS FROM ACRYLIC ACID AND ESTERS OF SAID ACID BY THERMAL CRACKING WITH PARTIAL CONDENSATION
The present invention relates to an improved process for the regeneration, by thermal cracking, of a mixture of heavy byproducts (residues) resulting from a unit for the production of acrylic acid and from a unit for the production of acrylic ester, resulting in acrylic acid, acrylic esters and alcohols being obtained, for the purpose of recycling them in the plant for the production of the acrylic ester.
C07C 51/377 - Preparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by hydrogenolysis of functional groups
C07C 51/487 - Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
C07C 67/54 - Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
C07C 67/60 - Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
C07C 51/44 - Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
C07C 67/327 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by hydrogenolysis of functional groups by elimination of functional groups containing oxygen only in singly bound form
81.
XANTHENE DERIVATIVES, MIXTURES COMPRISING SAME, MANUFACTURING METHOD AND CORRESPONDING USES
A xanthene derivative of formula I or of formula II. A mixture including the xanthene derivative of formula I or of formula II. A process for preparing the xanthene derivative process involving reacting a compound of formula (III) with a compound of formula (IVa) or (IVb), in the presence of a Lewis acid. A process for preparing the mixture including the xanthene derivative of formula I or of formula II. Uses of the xanthene derivative of formula I or of formula II.
The present invention relates to a composite material comprising a) at least one elastomer, and b) an amount greater than or equal to 30% by weight, relative to the total weight of said composite material, of zeolite 3A, the cationic sites of which are occupied by the potassium cation, the sodium cation, at least one cation of an alkaline-earth metal from column IIA of the periodic table, and the hydronium cation. The invention also relates to the use of said composite material as an adsorbent material, for the production of master batches, for packaging, and for the production of double glazing.
The invention relates to a formulation comprising at least one methyl ester of fatty acid and at least one nonionic surfactant having a HLB from 9 to 16. The invention also relates to the use of such a formulation for coating a container, to a coating composition comprising such a formulation, and to a preparation method of such a coating composition.
The present invention relates to an insulating and flame retardant composition for covering an electric battery interconnecting bar, comprising by weight: (a) from 30% to 65%, in particular from 30% to 63.9% notably from 30% to 60% of at least one semicrystalline aliphatic polyamide, (b) from 15% to 40%, in particular from 15% to 30% of at least one semiaromatic polyamide, (c) from 15% to 30%, in particular from 20% to 25% of at least one phosphinate-type flame retardant, (d) from 5% to 20%, in particular from 5% to 15% of at least one functionalized polyolefin, (e) from 0 to 6%, in particular from 1% to 6%, notably between 2% and 4% of at least one plasticizer, (f) from 0 to 10%, in particular from 0.1% to 5% of at least one additive, the sum of the constituents (a) to (f) being equal to 100%.
The present invention relates to a corrosion-inhibiting foaming composition comprising a) a surfactant composition comprising at least one amphoteric surfactant and optionally one or more additional surfactants selected from ionic and non-ionic surfactant compounds, and b) at least one sulfur-containing molecule. The invention also relates to the use of said foaming composition for preventing the formation of corrosion, and to the method for the assisted recovery of hydrocarbons that implements said foaming composition.
C09K 8/54 - Compositions for in situ inhibition of corrosion in boreholes or wells
C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
The present invention concerns a process for purifying an aromatic liquid compound, said process comprising at least a step in which said aromatic liquid compound is contacted with a zeolitic adsorbent material.
The present invention concerns a process for purifying an aromatic liquid compound, said process comprising at least a step in which said aromatic liquid compound is contacted with a zeolitic adsorbent material.
The present invention also concerns the use of a zeolitic adsorbent material for purifying an aromatic liquid compound.
C07C 7/13 - Purification, separation or stabilisation of hydrocarbons; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
87.
PROCESS FOR IMPROVING THE QUALITY OF HYDROGEN-BEARING ORGANIC LIQUIDS
The present invention relates to a process for producing hydrogen from a liquid capable of being used in at least one hydrogenation/dehydrogenation cycle, said process comprising at least one step wherein said liquid is brought into contact with a filtering agent. The invention also relates to the use of a filtering agent for the purification of a liquid capable of being used in at least one hydrogenation/dehydrogenation cycle, in a hydrogen production process.
A process for preparing an S,S′-dialkyldithiocarbonate from a dialkyl disulfide and from a particular metal catalyst, in the presence of carbon monoxide is described in addition to the use of S,S′-dialkyldithiocarbonates as reagents for the preparation of polycarbonates, compounds containing at least one urea and/or isocyanate function and compounds containing at least one thioalkyl function.
The present invention relates to a poly(ester-urethane), to a poly(ester-urea-urethane), and also to aqueous dispersions of these and to their uses in aqueous coatings, adhesives or sealants, in particular as binder in paints or varnishes.
C08G 63/688 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing sulfur
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
The invention relates to an organic peroxide emulsion comprising at least one organic peroxide comprising di-sec-butyl peroxydicarbonate, at least one emulsifier, at least one antifreeze, and water; said emulsion being free of methanol and ethanol.
The invention relates to an organic peroxide emulsion comprising at least one organic peroxide comprising di-sec-butyl peroxydicarbonate, at least one emulsifier, at least one antifreeze, and water; said emulsion being free of methanol and ethanol.
The invention also relates to a process for preparing such an emulsion, to the use of such an emulsion for the polymerization or copolymerization of one or more ethylenically unsaturated monomers, and also to a halogenated vinyl polymer obtained by using such an emulsion.
C07C 409/38 - Peroxy compounds the —O—O— group being bound between a C=O group and a carbon atom, not further substituted by oxygen atoms, i.e. esters of peroxy acids
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Chemicals for use in industry; epoxy resins, unprocessed; unprocessed epoxy resins; phenol for industrial use; unprocessed phenolic resins; Chemical preparations to be applied on metal surfaces before applying a lining coatings (paints); epoxy resin coatings; synthetic resin primers (paints)
92.
Polymer Composition For Waterproof-Breathable Films
A composition of: 75 to 98% by weight, relative to the weight of the composition, of at least one copolymer A containing polyamide blocks and polyether blocks; 2 to 15% by weight, relative to the weight of the composition, of at least one copolymer B including units derived from ethylene, from an alkyl (meth)acrylate and from a comonomer including at least one acid, anhydride or epoxide function; and 0 to 10% by weight, relative to the weight of the composition, of at least one additive. The polyether blocks of copolymer A include polyethylene glycol blocks. Further, a process for manufacturing a film and to said film.
C07C 323/58 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being further substituted by nitrogen atoms, not being part of nitro or nitroso groups with amino groups bound to the carbon skeleton
94.
DIMENSIONALLY STABLE ACRYLIC ALLOY FOR 3-D PRINTING
An acrylic alloy composition that can be 3-D printed by a material extrusion additive manufacturing process, an acrylic filament that has a very uniform diameter useful in the extrusion additive manufacturing process, acrylic articles made from the acrylic alloy composition by a material extrusion additive process, and a material extrusion additive manufacturing process for producing the acrylic articles. The acrylic alloy composition is an alloy of an acrylic polymer, and a low melt viscosity polymer, such as polylactic acid. The alloy may optionally be impact modified, preferably with hard core core-shell impact modifiers.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
Centre National De La Recherche Scientifique - CNRS (France)
Universite d'AIX-Marseille (France)
Inventor
Fremy, Georges
Brasselet, Hugo
Lec, Jean-Christophe
Alphand, Véronique
Duquesne, Katia
Abstract
Chemoenzymatic process for coproducing a disulfide and a sulfoxide or a sulfone The present invention relates to a chemoenzymatic process for coproducing disulfide and sulfoxide or sulfone from a composition M comprising: 1) a sulfide, 2) optionally an oxidizing agent, 3) an organic compound bearing at least one thiol group, 4) an enzyme E catalyzing the oxidation of said sulfide to sulfoxide or to sulfone, 5) an enzyme D catalyzing the formation of a disulfide bridge between two equivalents of said organic compound bearing at least one thiol group to form a dimer, and 6) a cofactor common to the two enzymes E and D; and also to a composition enabling especially the implementation of this process. The present invention also relates to the use of a mercaptan for reducing a disulfide bridge formed between two equivalents of an organic compound bearing at least one thiol group, and more particularly to the use thereof as regeneration substrate of the process described above.
C07C 315/02 - Preparation of sulfones; Preparation of sulfoxides by formation of sulfone or sulfoxide groups by oxidation of sulfides, or by formation of sulfone groups by oxidation of sulfoxides
C12P 11/00 - Preparation of sulfur-containing organic compounds
C07C 315/06 - Separation; Purification; Stabilisation; Use of additives
The present invention relates to Polyamide composition comprising: A) from 15 to 64% by weight of long chain polyamide having a ratio C/N greater than or equal to 8; B) from 10 to 59% by weight of polyamide elastomer based on long chain polyamide having a ratio C/N greater than or equal to 8; C) from 10 to 59% by weight of long chain polyamide having a ratio C/N greater than or equal to 8 that is different from compound A; D) from 15 to 25% by weight of metal phosphinate flame retardant; E) from 1 to 5% by weight of additives consisting in stabilizer and carbon black, the percentages are percentages in weight based on the total weight of the composition.
The present invention relates to a molding composition comprising by weight: a) from 50% to 99% of a semi-crystalline aliphatic polyamide having an inherent viscosity of less than or equal to 1.10, in particular less than or equal to 1.00, in particular less than or equal to 0.95, notably less than or equal to 0.9, as determined according to standard ISO 307:2007 but using m-cresol in place of sulfuric acid, a temperature of 20°C and a concentration of 0.5% by weight, b) from 1% to 50% of recycled carbon fibers having an average length of less than or equal to 6 mm before compounding, said recycled carbon fibers being surface-coated (sized) with a polyamide, in particular an aliphatic polyamide, c) from 0 to 5% of at least one additive, the sum of the components a), b) and c) being equal to 100%.
The present invention relates to the use, for the purification of a hydrogen peroxide solution, of a reverse osmosis filtration membrane, said membrane comprising at least one active layer of a polyethersulfone polymer. The present invention also relates to the method for purifying a hydrogen peroxide solution by passing it over a reverse osmosis filtration membrane, said membrane comprising at least one active layer of a polyethersulfone polymer.
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
Goods & Services
Pre-treatment coatings for inorganic metal surfaces before applying a lining to improve adhesion and corrosion resistance; Preservatives against rust and corrosion in the nature of a primer; Binding agents for paints; Fixatives in spray form for industrial use in the nature of a polyamid protective coating for metals; Rust protecting paints for metals Rust-removing preparations
100.
POLYMER POWDER FOR MANUFACTURING HIGH-DEFINITION COMPONENTS OF LOW ROUGHNESS
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 70/00 - Materials specially adapted for additive manufacturing
C08G 69/02 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids
C08G 69/08 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino carboxylic acids
C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
