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-R2 wherein R1 is an aryl group comprising from 6 to 18 carbon atoms and R2 is an alkyl group comprising from 1 to 8 carbon atoms, when R2 is a methyl group, R1 is different from phenyl.
Disclosed is a multilayer structure for transporting, distributing and storing hydrogen, the structure comprising, from the inside to the outside, at least one sealing layer (1) and at least one composite reinforcing layer (2), the innermost composite reinforcing layer being wound around the outermost adjacent sealing layer (1), the sealing layers consisting of a composition predominantly comprising: at least one semi-crystalline, aliphatic thermoplastic polyamide polymer P1i, i=1 to n, n being the number of sealing layers, the Tf of which, as measured according to ISO 11357-3: 2013, is greater than 200°C, with the exception of one polyether block amide (PEBA), said thermoplastic polyamide polymer being a polyamide having an average number of carbon atoms per nitrogen atom of 7 to 9, up to 30% by weight of impact modifier relative to the total weight of the composition and up to 1.5% by weight of plasticiser relative to the total weight of the composition, the composition being free of nucleating agent, the at least one thermoplastic polyamide polymer of each sealing layer being able to be identical or different, and at least one of the composite reinforcing layers consisting of a fibrous material in the form of continuous fibres impregnated by a composition predominantly comprising at least one polymer P2j, the polyamide polymer layer being the outermost layer and adjacent to the outermost composite reinforcing layer.
B32B 27/04 - Layered products essentially comprising synthetic resin as impregnant, bonding, or embedding substance
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
The present invention relates to a blow-molding or extrusion composition, especially for blow molding, the composition comprising by weight: (a)from 88 to 99.95%, especially from 89 to 99.9%, more especially from 93 to 99.9% of at least one semi-crystalline aliphatic polyamide having a carbon number per nitrogen atom greater than or equal to 7, especially greater than or equal to 8; (b)from 0.05% to 10%, especially from 0.1 to 9%, more especially from 0.1 to 5% by weight of at least one branching agent selected from among the polyepoxies, polyanhydrides and polyisocyanates, especially the maleic polyanhydrides and the polyepoxies; (c)from 0 to 2%, especially from 0.1 to 2% of at least one additive; the composition having, after compounding, a melt viscosity from 10,000 to 300,000 Pa·s, preferably from 15,000 to 220,000 Pa·s, as measured in plane-to-plane geometry according to the standard ISO 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the components (a) + (b) + (c) being 100% by weight.
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 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
C08G 69/36 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines, and polycarboxylic acids
C08K 5/151 - Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
C08L 37/00 - Compositions of 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 heterocyclic ring containing oxygen; Compositions of derivatives of such polymers
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
4.
METHOD FOR THE CO-PRODUCTION OF METHYL MERCAPTAN AND DIMETHYL DISULFIDE FROM CARBON OXIDES
The invention relates to a process for the co-production of methyl mercaptan and dimethyl disulfide, comprising the following successive steps: a) reacting at least one carbon oxide in the presence of hydrogen sulfide (H2S) and hydrogen in order to produce a stream (M) comprising methyl mercaptan, water, and possibly unreacted hydrogen sulfide, b) purifying the stream (M) to obtain a stream (N) enriched in methyl mercaptan and a stream containing the noncondensibles (MIncond), c) optionally recycling the stream of noncondensibles(MIncond) from step b) in step a), d) recovering a first portion of the stream (N) comprising methyl mercaptan purified in step b), e) sulfur oxidation of the second portion of the stream (N) of methyl mercaptan in order to produce a stream (O) including dimethyl disulfide, hydrogen sulfide, and possibly unreacted methyl mercaptan, f) purifying the stream (O) in order to separate, on the one hand, the enriched dimethyldisulfide and, on the other hand, the hydrogen sulfide and possibly the methyl mercaptan that was not reacted in step e), g) recycling the hydrogen sulfide and possibly the methyl mercaptan which were isolated in step f) to the stream (M) resulting from step a), h) recovering the dimethyldisulfide isolated in step f).
C07C 319/02 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
C07C 319/24 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of hydropolysulfides or polysulfides by reactions involving the formation of sulfur-to-sulfur bonds
C07C 321/04 - Thiols having mercapto groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
C07C 321/14 - Sulfides, hydropolysulfides, or polysulfides having thio groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
5.
PROCESS FOR THE CO-PRODUCTION OF ALKYL MERCAPTAN AND DIALKYL DISULFIDE FROM ALCOHOL
The invention relates to a method for the co-production of alkyl mercaptan and dialkyl disulfide, comprising the following successive steps:a) reacting a C1-C4 alcohol in the presence of hydrogen sulfide (H2S) to form a stream (M) comprising an alkyl mercaptan, water, and possibly unreacted hydrogen sulfide, b) purifying the stream (M) to obtain a stream (N) enriched in alkyl mercaptan, c) recovering a first portion of the stream (N) comprising alkyl mercaptan purified in step b), d) sulfur oxidation of the second portion of the stream (N) of alkyl mercaptan in order to form a stream (O) comprising a dialkyl disulfide, hydrogen sulfide, and possibly unreacted alkyl mercaptan, e) purifying the stream (O) to separate, on the one hand, the enriched dialkyl disulfide and on the other hand the hydrogen sulfide and the alkyl mercaptan possibly having not reacted in step d), f) recycling the hydrogen sulfide and possibly the alkyl mercaptan isolated in step e) to the stream (M) obtained in step a), g) recovering the dialkyl disulfide isolated in step e).
C07C 319/08 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols by replacement of hydroxy groups or etherified or esterified hydroxy groups
C07C 319/24 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of hydropolysulfides or polysulfides by reactions involving the formation of sulfur-to-sulfur bonds
The present invention relates to compounds that can be obtained by the condensation by esterification of: A/ at least one alkoxylated fatty amine of formula (I), or of the product of partial or total quaternization of said alkoxylated fatty amine of formula (I): wherein R1, AO, B, n, m, s and y are as defined in the description, B/ with at least one dicarboxylic acid, or a derivative thereof, of the following formula (II): wherein D and RA are as defined in the description, C/ with at least one (alkyl)alkanolamine derivative of the following formula (III) or the product of partial or total quaternization of said (alkyl)alkanolamine derivative of the following formula (III): wherein A"O, u, u' and R7 are as defined in the description, and D/ with at least one fatty acid of the following formula (V): wherein R11 is as defined in the description. The invention further relates to the use of said compound as a surfactant, biocide, anti-corrosion agent, wetting agent, in the fields of hygiene, cosmetics, detergents, human and animal health, agrochemicals, the textile industry, the mining industry, the fertilizer industry, the bitumen industry, road construction, road maintenance and sealing, the water treatment industry, and more generally in the chemical, oil and gas industries.
The invention relates mainly to a method for producing ?-aminoalkanoic acid of formula NH2-(CH2)n-COOH, in which n is an integer between 9 and 11, by reacting the corresponding ?-bromoalkanoic acid with ammonia, comprising the following steps: i) reacting the ?-bromoalkanoic acid with an aqueous solution of excess ammonia, and ii) separating the ?-aminoalkanoic acid that is formed from the reaction mixture, characterised in that the aqueous solution of ammonia has a concentration of 35 to 70 wt% and in that step i) is carried out at a pressure higher than atmospheric pressure, between 0.11 and 2.0 MPa absolute pressure.
C07C 227/08 - Formation of amino groups in compounds containing carboxyl groups by addition or substitution reactions, without increasing the number of carbon atoms in the carbon skeleton of the acid by reaction of ammonia or amines with acids containing functional groups
C07C 229/08 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton the nitrogen atom of the amino group being further bound to hydrogen atoms
8.
LOW-MOLECULAR-WEIGHT ORGANIC RESIN AND AQUEOUS DISPERSION COMPRISING SAME, FOR A ONE-COMPONENT CROSSLINKABLE COATING COMPOSITION
The present invention relates to an organic resin, in particular acrylic, vinyl or vinyl-acrylic, of low molecular weight and functionalized with carboxyl and carbonyl groups, and an aqueous dispersion comprising said organic resin and a cross-linking agent, for the preparation of a one-component crosslinkable coating composition with a high performance level.
A water-based humidity resistant adhesive compositions comprising (i) about 30 wt% to about 80 wt% of an acrylic copolymer emulsion and (ii) about 2 wt% to about 40 wt% of an adhesion promoter of a water-based chlorinated or maleic anhydride modified polyolefin. The adhesive effectively bonds a sheet membrane to a substrate of steel, wood, concrete, a roof board, insulation, or a fiberglass mat. Also disclosed is a method of bonding the sheet membrane, such as TPO, to a substrate with the adhesive composition, and a method of preparing the adhesive composition.
This present disclosure relates to a two-component polyurethane composition comprising: (A) a prepolymer component comprising: (i) at least one isocyanate terminated intermediate compound prepared from a reaction mixture comprising at least one isocyanate compound and at least one active hydrogen containing compound selected from the group consisting of a polyol compound, a polyamine compound and a combination thereof, (ii) at least one isocyanate compound, and (iii) optionally at least one liquid rubber; and (B) a curative component comprising: (i) at least one polyol terminated intermediate compound prepared from a reaction mixture comprising at least one isocyanate compound and at least one active hydrogen containing compound selected from the group consisting of a polyol compound, a polyamine compound and a combination thereof, (ii) at least one liquid rubber, (iii) at least one catalyst, (iv) at least one polyol, (v) optionally at least one amine compound, and (vi) optionally a chain extender.
The present invention relates to a method for drying methyl mercaptan, in particular by azeotropic distillation, comprising the following steps: 1) a stream (A) comprising methyl mercaptan and water is introduced into a distillation column (1); 2) the stream (A) is distilled in the column (1); 3) the distillate (B) is recovered in the gas state, preferably at the top of the column; 4) the distillate (B) is condensed, preferably in a condenser (2), so as to obtain a condensate (C) in the liquid state; 5) the condensate (C) is separated, preferably by means of a decanter (3), so as to obtain two separate liquid phases, namely an aqueous phase (D) and an organic phase (E) comprising methyl mercaptan; 6) optionally, all or part of the organic phase (E) is introduced into the distillation column (1) as reflux; and 7) a stream (F) comprising dried methyl mercaptan is recovered, preferably at the bottom of the column (1). The present invention also relates to methods for producing methyl mercaptan comprising said drying process.
C07C 319/08 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols by replacement of hydroxy groups or etherified or esterified hydroxy groups
The present invention relates to a method for producing methyl mercaptan, comprising the following steps: A) methanol is reacted with hydrogen sulfide to form a stream (M), preferably in the gas state, comprising methyl mercaptan, unreacted H2S and possibly sulfur-bearing by-products; B) optionally, said stream (M) is condensed; C) at least one step of purifying said stream (M) is carried out in order to obtain a methyl mercaptan-enriched stream; D) the gaseous effluents resulting from said at least one purification step are recovered, said gaseous effluents comprising at least one sulfur-bearing compound, preferably H2S; E) a gas-liquid extraction of said at least one sulfur-bearing compound, preferably H2S, is carried out using liquid methanol so as to obtain a liquid methanol enriched in sulfur-bearing compound(s), preferably in H2S; and F) optionally, said enriched methanol is used as a reactant for the reaction of step A).
C07C 319/08 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols by replacement of hydroxy groups or etherified or esterified hydroxy groups
The present invention relates to a liquid formulation comprising an amount greater than or equal to 50 wt% benzyltoluene and an amount of less than 0.5 mol% diphenylmethane. The invention also relates to the use of said formulation as LOHC for the production of hydrogen comprising less than 0.5 mol% diphenylmethane.
The present invention relates to a liquid formulation comprising an amount greater than or equal to 50% by weight of benzyl toluene and an amount less than or equal to 10 ppm by weight of at least one hydrocarbon having a molar mass less than or equal to 100 g mol-1. The invention also relates to the use of said formulation, comprising an amount less than or equal to 10 ppm by weight of light hydrocarbon, as LOHC for producing hydrogen.
A plurality of multiphase polymer particles comprising an acrylic-based copolymer derived from monomers comprising: an alkyl methacrylate; an alkyl acrylate; a hydroxyalkyl acrylate or hydroxyalkyl methacrylate; at least one acid; a carboxyalkyl (meth)acrylate; a vinyl ester, and at least one co-polymerizable surfactant. Also disclosed is an emulsion comprising: a plurality of multiphase polymer particles comprising an acrylic-based copolymer, at least one co-polymerizable surfactant, at least one alkylphenol ethoxylate (APE) free nonionic surfactant, and at least one APE free anionic surfactant in an aqueous medium in presence of a free-radical initiator and a buffer. Another objective of this application discloses a water-dispersible acrylic pressure sensitive adhesive composition for label applications, a process for the preparation thereof and a method of bonding a label to a container with the composition.
The present invention deals with a composition comprising at least one organic peroxide, at least one sulfur-containing compound chosen among the group consisting of dialkyl phosphorodithioic acid and salts thereof, and optionally sulfur under its free form.
Multi-layer structure for storing hydrogen, comprising, from the inside to the outside, at least one sealing layer (1) and at least one composite reinforcing layer (2), the innermost composite reinforcing layer being wound around the outermost adjacent sealing layer (1), at least the innermost sealing layer being made of a composition comprising, relative to the total weight of the composition: a. 20.5 to 99.845% by weight of at least one polyamide; b. 0.005 to 0.5% by weight of at least one catalyst; c. 0.05 to 1% by weight of at least one heat stabiliser; d. 0.1 to 3% by weight of at least one oligo- or poly-carbodiimide; e. 0 to 1.5% by weight of at least one plasticiser; f. 0 to less than 15% by weight of at least one polyolefin, in particular from 1 to less than 15% by weight; g. 0 to 30% of at least one additive, and at least one of the composite reinforcing layers being made of a fibrous material in the form of continuous fibres impregnated with a composition predominantly comprising at least one polymer P2j, j=1 to m, m being the number of reinforcing layers, in particular an epoxy resin or epoxy-based resin.
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
B32B 25/14 - Layered products essentially comprising natural or synthetic rubber comprising copolymers in which synthetic rubber constituents predominate
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 invention relates to a method for the continuous synthesis of a compound of formula (II) Br-(CH2)n+2-COOR, comprising a step consisting of: (a) hydrobromination of a compound of formula (I) CH2=CH-(CH2)n-COOR: where, in formulae (I) and (II) n is an integer between 7 and 9, and R is chosen from H or an alkyl radical comprising between 1 and 10 linear or branched carbon atoms, in particular methyl, ethyl, isopropyl or propyl, with HBr in the presence of a free radical initiator and at least one solvent; the method being characterised in that the reaction is conducted in the absence of benzene and toluene and in that in step (a), HBr is injected into the reaction mixture in gaseous form and in stoichiometric excess.
C07C 51/363 - Preparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by substitution of halogen atoms by other halogen atoms
C07C 53/19 - Acids containing three or more carbon atoms
19.
PROCESS FOR IMPROVING THE QUALITY OF HYDROGEN-BEARING ORGANIC LIQUIDS
The present invention relates to a process for producing hydrogen from a liquid employable in at least one hydrogenation/dehydrogenation cycle, comprising at least one step in which the said liquid is contacted with a filtering agent. The present invention also relates to the use of a filtering agent process for purifying a liquid employable in at least one hydrogenation/dehydrogenation cycle, in a process for producing hydrogen.
The present invention relates to a method for purifying an aromatic liquid compound comprising at least one step in which said aromatic liquid compound is brought into contact with a zeolitic adsorbent material. The present invention also relates to the use of a zeolitic adsorbent material for the purification of an aromatic liquid compound.
B01D 15/00 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
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
C07C 41/36 - Separation; Purification; Stabilisation; Use of additives by chemisorption
21.
METHOD FOR PRODUCING AMINOUNDECANOIC ACID AND AMINODECANOIC ACID
The invention mainly concerns a method for producing aminocarboxylic acid having the following formula (I): NH3?CH2?(CH2)n?COOH (I) in which n is an integer from 7 to 12, comprising the following steps: (i) reacting the unsaturated carboxylic acid having the following formula (II): CH=CH?(CH2)n-1?COOH (II), with hydrogen bromide (HBr) in order to form the ??bromoalcanoic acid having the following formula (III): Br?CH2?(CH2)n?COOH (III); (ii) reacting the resulting ??bromoalcanoic acid having formula (III) with ammonia in aqueous solution in order to form a reaction mixture comprising aminocarboxylic acid having formula (I) and ammonium bromide; (iii) separating, from the reaction mixture, the aminocarboxylic acid having formula (I) and an aqueous solution rich in ammonium bromide; (iv) bringing the resulting aqueous solution rich in ammonium bromide into contact with sodium hydroxide in order to form ammonia and an aqueous solution rich in sodium bromide; (v) purifying the resulting aqueous solution rich in sodium bromide in order to remove the organic impurities; (vi) bringing the resulting purified aqueous solution rich in sodium bromide into contact with chlorine in order to form bromine and an aqueous solution rich in sodium chloride; (vii) reacting the resulting bromine with hydrogen in order to form hydrogen bromide and (viii) recycling the resulting hydrogen bromide to step (i). The invention also concerns a method for producing polyamides or copolyamides from said aminocarboxylic acid.
C07C 227/08 - Formation of amino groups in compounds containing carboxyl groups by addition or substitution reactions, without increasing the number of carbon atoms in the carbon skeleton of the acid by reaction of ammonia or amines with acids containing functional groups
C07C 229/08 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton the nitrogen atom of the amino group being further bound to hydrogen atoms
22.
AQUEOUS DISPERSION OF POLY(ESTER-URETHANE) OR OF POLY(ESTER-URETHANE-UREA)
The invention relates to a poly(ester-urethane), to a poly(ester-urethane-urea) and also to the aqueous dispersions thereof and the uses thereof in aqueous coatings, adhesives or sealants, in particular as a binder in paints or varnishes.
The present invention relates to the use of a sealing layer (1) consisting of a composition comprising at least one polyamide for preparing a multicore structure intended for the transport, distribution or storage of hydrogen, in particular for the distribution or storage of hydrogen, especially for the storage of hydrogen, the sealing layer satisfying a test for contaminants present in the hydrogen and extracted from the sealing layer after contact of the hydrogen with same, the test been carried out as defined in the standard CSA/ANSI CHMC 2: 19, the total proportion of said contaminants extracted in the hydrogen being less than or equal to 3% by weight, in particular less than 2% by weight of the sum of the constituents of the composition.
The invention relates to the use of an additive chosen from the compounds of formula (1) and the compounds of formula (2) as follows: in which A, B, E, Y, Z, d and j are as defined in the description, the anti-ageing additive being present in an amount of between 0.01% and 10% by weight, relative to the total weight of the bituminous product, in order to delay the ageing of the bitumen. The invention also relates to a composition comprising: - a bituminous product, - at least one anti-ageing additive as described above, and - at least one anti-oxidant agent, the anti-ageing additive being present in an amount of between 0.01% and 10% by weight, relative to the total weight of the bituminous product.
The present invention relates to a composition comprising: - at least one recycled bituminous product, - at least one epoxidized oil, and - at least one bitumen additive. The invention also relates to the use thereof for the preparation of a coating. The invention further relates to a coating comprising the composition according to the invention.
Multilayer structure, intended for the transport, distribution and storage of hydrogen, comprising, from the inside outwards, at least one sealing layer and at least one layer of composite reinforcement. Said at least one innermost layer of composite reinforcement is rolled around said outermost sealing layer. Said sealing layer consists of a composition mainly comprising a thermoplastic polymer PA11, up to 15% by weight of impact modifier and up to 1.5% by weight of plasticizer. Said composition is devoid of an enucleating agent and a polyether block amide. One of the said composite reinforcement layers consists of material in the form of continuous fibres impregnated with a composition mainly comprising at least one polymer P2j. Said structure is devoid of an outermost layer and adjacent to the outermost layer of polyamide polymer composite reinforcement.
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
B29C 53/58 - Winding and joining, e.g. winding spirally helically
B29C 53/60 - Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
B29C 63/10 - Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically around tubular articles
B29C 63/24 - Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using threads
27.
MULTILAYER STRUCTURE FOR TRANSPORTING OR STORING HYDROGEN
The invention relates to a multilayer structure for transporting, distributing and storing hydrogen, in particular for storing hydrogen, comprising, from the inside to the outside, a sealing layer (1) and at least one composite reinforcement layer (2), said sealing layer comprising from the inside to the outside: a layer (a) consisting of a composition predominantly comprising: a short-chain polyamide thermoplastic polymer, more than 15% and up to 50% by weight of impact modifier, or predominantly comprising: a semi-crystalline long-chain polyamide thermoplastic polymer, up to 50% by weight of impact modifier relative to the total weight of the composition, up to 3% by weight of plasticizer relative to the total weight of the composition; optionally a layer of binder; a hydrogen barrier layer, in particular made of a fluoropolymer, in particular of PVDF, or of EVOH; optionally a layer of binder; a layer (b) consisting of a composition predominantly comprising: a short-chain polyamide thermoplastic polymer, more than 15% and up to 50% by weight of impact modifier, or predominantly comprising: a semi-crystalline long-chain polyamide thermoplastic polymer, up to 50% by weight of impact modifier, up to 3% of weight of plasticizer, said innermost composite reinforcement layer (2) being wound around said sealing layer (1), and at least one of said composite reinforcement layers consisting of a fibrous material in the form of continuous fibers, which is impregnated with a composition predominantly comprising at least one polymer P1j, j = 1 to m, m being the number of reinforcement layers.
The invention relates to a multilayer structure for transporting, distributing and storing hydrogen, in particular for storing hydrogen, comprising, from the inside to the outside, at least one sealing layer (1) and at least one composite reinforcement layer (2), said innermost composite reinforcement layer (2) being welded to the outermost adjacent sealing layer (1), said sealing layers (1) consisting of a composition predominantly comprising: at least one semi-crystalline polyamide thermoplastic polymer P1i, i = 1 to n, n being the number of sealing layers, excluding an amide polyether block (PEBA), up to 50% by weight of impact modifier, in particular up to less than 15% by weight of impact modifier, in particular up to 12% by weight of impact modifier relative to the total weight of the composition, up to 1.5% by weight of plasticizer relative to the total weight of the composition, wherein the at least one polyamide thermoplastic polymer of each sealing layer may be the same or different, and at least one of said composite reinforcement layers consisting of a fibrous material in the form of continuous fibers, which is impregnated with a composition predominantly comprising at least one semi-crystalline polyamide polymer P2j, j = 1 to m, m being the number of reinforcement layers, wherein the number of carbon atoms per amide function of the polyamide of said outermost adjacent sealing layer (1) differs from that of the polyamide of said innermost reinforcement layer (2) by at most 20%.
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
B29C 63/00 - Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
B29C 53/58 - Winding and joining, e.g. winding spirally helically
B29C 53/60 - Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
B29C 63/10 - Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically around tubular articles
29.
MULTILAYER STRUCTURE FOR TRANSPORTING OR STORING HYDROGEN
Multilayer structure for transporting, distributing and storing hydrogen, comprising, from the inside to the outside, at least one reinforcing layer wound around at least one sealing layer. Each sealing layer comprises a composition free of nucleating agents, comprising: > 50% by weight of at least one long-chain polyamide thermoplastic polymer P1i (i = 1 to n, n = the number of semi-crystalline sealing layers), a Tf > 160°C, P1i having an average number of carbon atoms by nitrogen > 9, with the exception of one polyether block amide; up to 50% by weight of impact modifier and up to 1.5% by weight of plasticizer. At least one reinforcing layer consists of continuous fibres impregnated by a composition comprising > 50% by weight of at least one polymer P2j (j = 1 to m, m = the number of reinforcing layers). Said structure is devoid of a polyamide polymer layer above the outermost composite reinforcing layer.
B32B 27/04 - Layered products essentially comprising synthetic resin as impregnant, bonding, or embedding substance
B29C 53/60 - Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
B29C 63/00 - Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
The present application relates to polymeric composite composition (PCC) comprising two zones (Zl) and (Z2), at least one zone of said zones (Zl) or (Z2) is comprising a reinforcing material (RM1), while the other zone of said zones (Zl) or (Z2) is comprising no reinforcing material or a reinforcing material (RM2) that is different from reinforcing material (RM1). It also relates to a process for manufacturing such a polymeric composite composition (PCC) and its use, as well as to a process for manufacturing articles in form of mechanical parts or structural elements made of composite material comprising said polymeric composite composition (PCC).
B29C 70/08 - Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, with or without non-reinforced layers
B29C 70/50 - Shaping or impregnating by compression for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
B29C 70/88 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
The present invention relates to the use of an adsorbent zeolitic material made from crystals of faujasite zeolite (FAU), the molar ratio Si/Al of which is between 1.00 and 1.20, and which have such a non-zeolitic phase content (PNZ) that 0 < PNZ ? 25%, for non-cryogenically separating industrial gases with (V)PSA, in particular gases from air. The invention also relates to respiratory aid apparatuses comprising at least the adsorbent zeolitic material.
B01D 46/10 - Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
B01D 35/06 - Filters making use of electricity or magnetism
B01D 53/04 - 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 with stationary adsorbents
The present invention relates to a method for evaluating an assembly by welding of parts made of thermoplastic materials, to a test piece and its associated uses, to an installation for implementing this method and to the associated welding system.
B29C 65/20 - Joining of preformed parts; Apparatus therefor by heating, with or without pressure using heated tool with direct contact, e.g. using "mirror"
B29C 65/24 - Joining of preformed parts; Apparatus therefor by heating, with or without pressure using heated tool characterised by the means for heating the tool
The invention relates to a pressure sensitive adhesive composition, which comprises an aqueous polymer dispersion which comprises at least one polymer with monomeric units from a monomeric composition comprising : a) 60 to 95% by weight of 2-ethylhexyl acrylate, b) 0.1 to 15% by weight of butyl (meth)acrylate, c) 0.5 to 5% by weight of a vinyl aromatic monomer, d) 0.1 to 4% by weight of at least one ethylenically unsaturated acid, e) 0 to 20% by weight of a vinylic ester of C 2 -C 8 carboxylic acid, f) optionally, a monomer different from a), b), c), d) and e) as defined above g) at least 0.005% by weight with respect to the total weight of monomers a) + b) + c) + d) + e) + f) of at least one chain transfer agent the sum of a) + b) +c) + d) + e) + f) being equal to 100% and with the proviso that said monomeric composition does not comprise any C -C 2 alkyl (meth)acrylate. The invention does also relate to said aqueous polymer dispersion and its use in PSA compositions.
C09J 133/02 - Homopolymers or copolymers of acids; Metal or ammonium salts thereof
C08F 220/00 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof
34.
METHOD FOR PREPARING A HYDROGEN TANK COMPRISING A SEALING LAYER AND A BASE
Method for preparing a hydrogen tank (1) comprising at least one sealing layer (2) consisting of a composition comprising at least one polyamide P1, and at least one base (3) in order to provide said tank (1) with at least one opening (5), characterized in that said method comprises: providing at least one base (3), said at least one base (3) being covered by at least one layer (a) consisting of a composition comprising at least one adhesion primer;preparing said at least one sealing layer (2);fastening said at least one base (3) to said at least one sealing layer (2).
The present invention relates to an aqueous dispersion of polymer particles and its preparation process, to an adhesive composition comprising the aqueous dispersion and to the use of the adhesive composition for adhering a label on a bottle.
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
C09J 133/06 - 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
The invention relates to a compound of the Formula (I) where: - A represents an arylene ring optionally substituted with one or more identical or different aliphatic, preferably saturated, linear or branched hydrocarbon chains optionally substituted with or interrupted by one or more heteroatoms; - E represents a divalent hydrocarbon group optionally comprising one or more heteroatoms; - X is a halogen atom, preferably a chlorine atom.
(Meth)acrylate-functionalized oligomers having a) an oligomeric backbone comprised of first segments and second segments and b) (meth)acrylate-functionalized end groups are provided. Such oligomers are useful as components of curable compositions. The first segments, second segments and (meth)acrylate-functionalized end groups are linked together by linking moieties derived from a polyisocyanate. The first segments are residues of a first segment precursor containing a plurality of repeating units and a plurality of isocyanate-reactive functional groups and having a number average molecular weight of at least 250 daltons. The second segments are residues of a second segment precursor, different from the first segment precursor, containing a plurality of repeating units and a plurality of isocyanate-reactive functional groups and having a number average molecular weight of at least 250 daltons. The first segment and the second segment exhibit a Hansen Solubility Parameter Distance Relative Energy Difference of at least about 4 and not more than about 9.
C08L 51/08 - 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 macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
The invention relates to a dark thermoplastic polymer composition, which when formed into a film has an ultra-low heat buildup, is visibly opaque, and has a high NIR transmission. The dye system involves two or more IR transparent dyes that combine to produce a color having an L value of less than 40, preferably less than 30, and a heat buildup of less than 50°F, preferably less than 45°F. In one embodiment, the composition is jet black. The composition may be a free-standing film, or as a capstock used over a substrate, preferably a white substrate.
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
39.
IMPROVED PROCESS FOR PREPARING HYDRAZINE HYDRATE WITH OXIME RECYCLING
The present invention relates to an improved process for preparing hydrazine hydrate from the azine of the methyl ethyl ketone obtained from the methyl ethyl ketone by oxidizing ammonia with hydrogen peroxide in the presence of an activator, characterized in that it comprises a step of recycling the purged oxime of the methyl ethyl ketone.
C07C 45/42 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
40.
IMPROVED PROCESS FOR PREPARING HYDRAZINE HYDRATE WITH PYRAZOLINE RECYCLING
The present invention relates to an improved process for preparing hydrazine hydrate from the azine of the methyl ethyl ketone obtained from the methyl ethyl ketone by oxidizing ammonia with hydrogen peroxide in the presence of an activator, characterized in that it comprises a step of recycling the purge of the heterocycles of the pyrazoline family.
C07C 45/42 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
41.
LIGHT-CURABLE COMPOSITIONS USEFUL FOR FORMING COMPOSITE MATERIALS
Composite materials are formed by photo curing compositions containing one or more cyanoacrylates, substantial amounts of one or more fillers (in particular, opaque and/or fibrous fillers such as carbon fibers) as well as particular photoinitiator systems. The photoinitiator system may comprise, for example, a metallocene compound such as a ferrocene in combination with an acylgermane or other photocleavable compound which generates an acyl radical when exposed to light. Complete, deep curing of such compositions to provide composite materials having improved mechanical properties can be achieved, even though the light used to initiate curing may not be capable of penetrating the entire thickness of the composition due to the presence of the filler.
The invention relates to an aqueous polymer dispersion, with said polymer comprising in its structure incorporated monomer units, from a monomer composition comprising: a) at least one (meth)acrylic monomer which is a C1-C18 (meth)acrylic ester, with no ionic group; b) at least one ethylenically unsaturated monomer having at least one carboxylic acid group; c) at least one ethylenically unsaturated monomer having a tertiary amine, and with said polymer additionally having blocked silane grafted groups in the form of -Si(OR1)3 or -Si-R2(OR1)2 or -Si-(R2)2(OR1), preferably -Si(OR1)3 or -Si-R2(OR1)2 with R1, R2 being the same or different C1 to C4 alkyl, and with said blocked silane graft groups being incorporated by at least one of the following two paths or the combination thereof; d) presence with the monomers a), b) and c) of at least one ethylenically unsaturated comonomer d) having, in addition to said ethylenic unsaturation, at least one blocked silane group as defined above and/or e) presence with the monomers a), b) and c) of, or after-treatment of the aqueous dispersion by, at least one silane compound e) having at least one blocked silane group as defined above and at least one functional group selected from: epoxy, amino, thio, hydroxy, isocyanate, preferably epoxy, the latter group being capable of reacting, at least in part, with the carboxylic groups of said monomer b). The invention also relates to a coating composition comprising said dispersion of the invention and the use thereof for aqueous protective coating compositions for wood.
C09D 143/04 - Homopolymers or copolymers of monomers containing silicon
C09D 151/06 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
43.
REACTIVE POLYESTER RESIN BASED ON A HYDROXYLATED AND/OR EPOXIDIZED FATTY ACID TRIGLYCERIDE POLYOL FOR COATINGS WITH HIGH SOLIDS CONTENT
The invention relates to a hydroxylated and/or carboxylated polyester resin, which comprises in the structure thereof ester units formed from a polyol component a) comprising at least one polyol a1) chosen from hydroxylated and/or epoxidized fatty acid triglycerides of general formula (I): R-CO2-(H)C-(CH2-CO2-R)2 (I) with R being the radical of a residue, without carboxyl group, of a hydroxylated and/or epoxidized fatty acid RCO2H with R comprising 13 to 21 carbon atoms and at least one hydroxy and/or epoxy group. The invention also relates to a crosslinkable coating composition in an organic solvent medium comprising said resin as the coating which results from this use.
ORGANIC RESIN CARRYING TERTIARY AMINE AND CARBOXYLIC ACID GROUPS, AND AQUEOUS DISPERSION COMPRISING SAME, FOR A TWO-COMPONENT CROSSLINKABLE COMPOSITION
The present invention concerns a specific organic resin, in particular acrylic, vinyl or acrylic-vinyl, carrying tertiary amine and carboxylic acid groups, the resin being capable of forming a surfactant-free aqueous dispersion, a method for preparing the aqueous dispersion, and crosslinkable coating compositions comprising the resin or the aqueous dispersion, for preparing crosslinked coatings without the use of isocyanate.
L'invention concerne un mélange de polyoxyméthylène dialkyl éthers (POM) ayant une distribution moléculaire spécifique restreinte ainsi que son procédé de préparation. L'invention concerne également une composition comprenant : a) un mélange de polyoxyméthylène dialkyl éthers (POM) ayant une distribution moléculaire spécifique restreinte b) au moins un agent biocide c) au moins un agent pro-pénétrant d) au moins un colorant e) en option, un autre additif et de l'eau comme diluant. Elle concerne également un procédé non thérapeutique de conservation et/ou d'embaumement d'un corps humain ou animal mort en utilisant ladite composition, comme l'utilisation de cette composition pour des besoins d'anatomopathologie.
LIQUID COMPOSITION COMPRISING A WAX COMPOUND, ITS PROCESS OF POLYMERIZATION, USE AND MATERIAL OR COMPOSITION OBTAINED FOLLOWING POLYMERIZATION OF COMPOSITION
The present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at a wax compound. In particular the present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and a wax compound. That liquid composition can be used as a syrup and especially as a syrup for impregnation of fibres or fibrous material.Also concerned is a thermoplastic material obtained after polymerization of the liquid composition. The invention also relates to a process for manufacturing such a liquid composition. The invention also relates to a process for impregnating a fibrous substrate of long or continuous fibres with said liquid composition. The invention also relates to a fibrous substrate impregnated with said liquid composition which is useful for manufacturing composite parts. The present invention also relates to a process for manufacturing mechanical parts or structural elements made of composite material and to mechanical parts or structural elements made of composite material obtained via a process using such a liquid composition.
The present invention concerns a coating composition comprising at least 1% by weight to 30% by weight, inclusive, of a surfactant, preferably a surfactant containing nitrogen, and 5% by weight to 99% by weight, inclusive, of a cyclic alcohol, comprising 12 to 100 carbon atoms, inclusive, and derivatives of same. The present invention also concerns the granular material coated with this composition.
B01J 2/30 - Processes or devices for granulating materials, in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
C05G 3/00 - Mixtures of one or more fertilisers with additives not having a specifically fertilising activity
C09D 191/00 - Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
The invention relates to a resin composition comprising a blend of: a) 10 to 90% by weight of at least one fluoropolymer resin and b) 90 to 10% by weight of at least one semi-crystalline polyester resin, based on the total weight of the fluoropolymer resin and semi-crystalline polymer resin. The invention also relates to a method for producing such resin composition, to a powder coating composition comprising such resin composition and to the use of such resin composition, in particular for architectural powder coating.
C08G 63/16 - Dicarboxylic acids and dihydroxy compounds
C08L 27/12 - Compositions of 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
C08L 27/16 - Homopolymers or copolymers of vinylidene fluoride
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
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
C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
The present invention relates to the use of a liquid formulation for coating granular materials, said formulation comprising at least one oil of renewable origin and at least one anionic surfactant comprising at least one functional group having one or more heteroatom(s), the electronegativity of which is strictly less than 2.5. The present invention further relates to the granular material coated with said liquid formulation.
The invention relates to new zeolite adsorbent materials, in particular specific zeolite adsorbent materials suitable for the non-cryogenic separation of gases, and more particularly for the separation of nitrogen by adsorption in gas flows such as air and the purification of hydrogen by adsorption of carbon monoxide (CO) and/or nitrogen (N2), and to the use of same, in particular, for producing medical oxygen in respiratory assistance oxygen concentrators.
B01D 53/04 - 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 with stationary adsorbents
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
51.
CROSSLINKABLE AQUEOUS POLYMER DISPERSIONS WITH AMINOACID CROSSLINKER FOR TEXTILE
The invention relates to an aqueous coating composition, comprising : a) an aqueous polymer dispersion with said polymer containing monomeric units of at least one di carboxylic acid monomer, bearing two carboxylic acid functional groups and said polymer remaining insoluble in water after neutralization and remaining in the form of dispersed polymeric particles having a mean particle size varying from 10 to 1000 nm, b) a crosslinker selected from aminoacids bearing at least two amino functional groups capable of reacting with said carboxylic functional groups. It also relates to its use in the treatment of flexible fibrous substrates, a method for and the coated or treated fibrous substrate.
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
C09D 133/08 - Homopolymers or copolymers of acrylic acid esters
C09D 133/26 - Homopolymers or copolymers of acrylamide or methacrylamide
D06M 15/263 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
D06M 15/267 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof of unsaturated carboxylic esters having amino or quaternary ammonium groups
52.
USE OF A RENEWABLE COMPOSITION FOR COATING PARTICLES
The present invention relates to the use of a gel formulation comprising an oil of renewable origin and a gel-forming agent for coating a granular material, wherein said gel formulation comprises at least: - an oil of renewable origin, and - a gel-forming agent which forms a gel at temperatures below 50°C with the oil of renewable origin. The present invention also relates to the granular material coated with said gel formulation.
A23K 40/10 - Shaping or working-up of animal feeding-stuffs by granulation, e.g. making powders
A23K 40/30 - Shaping or working-up of animal feeding-stuffs by coating
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
53.
ACRYLIC COMPOSITES WITH IMPROVED SURFACE PROPERTIES
The present invention relates to a composite material obtained by in situ polymerization of a thermoplastic resin with additives with a fibrous material. More particularly the present invention relates to a polymeric composite material obtained by in-situ polymerization of a thermoplastic (meth)acrylic resin and a fibrous material utilizing additive technologies to improve properties such as surface properties, and its use, and processes for making such a composite material and manufactured mechanical or structured part or article comprising this polymeric composite material.
B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
B29C 70/08 - Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, with or without non-reinforced layers
B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
54.
(METH) ACRYLIC POLYMERIC COMPOSITIONS 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 and its use. In particular the present invention relates to a (meth)acrylic composition that is slightly crosslinked once polymerized and that is suitable for (meth)acrylic composites and more particular for rebars. More particularly the present invention relates to a (meth)acrylic composition suitable for rebars, preparing such a (meth)acrylic compositions, composite rebar comprising is and method of preparing such a composite rebar. The present invention also relates also to the use of such a (meth)acrylic composition and use of rebars.
The invention relates to a process for treating a gaseous effluent from pyrolytic decomposition of one or more polymers, characterized in that it comprises: a step of condensation (210), in a condensation chamber (110) maintained at a first pressure, of a gaseous effluent brought into contact with an absorbent liquid, the temperature of said adsorbent liquid being lower than the temperature of the gaseous effluent, a partial vaporisation step (230), by expansion of the condensate in a chamber (130) maintained at a second pressure, lower than the first pressure, a reinjection step (240) consisting in at least partially redirecting a first liquid or vapour fraction obtained at the end of the partial vaporisation step (230) to the condensation chamber (110), and a recovery step (250) comprising a purification of a second liquid or vapour fraction obtained at the end of the partial vaporisation step (230) and loaded with monomer(s).
B01D 53/14 - 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 absorption
B01D 53/72 - Organic compounds not provided for in groups , e.g. hydrocarbons
56.
COMPOSITIONS AND METHODS USEFUL FOR FORMING SINTERED ARTICLES
A sintered article may be formed from a composition containing at least sinterable thermoplastic particles and a curable (meth)acrylate resin component, wherein the sinterable thermoplastic particles are insoluble in the curable (meth)acrylate resin component at 25°C. The curable (meth)acrylate resin component may be cured, thereby forming an intermediate article which may be converted into a sintered article using conditions effective to remove at least a portion of the matrix formed by the cured curable (meth)acrylate resin component and to sinter the thermoplastic particles.
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
B29C 35/00 - Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
57.
METHOD FOR WELDING PARTS MADE OF THERMOPLASTIC MATERIAL
The invention primarily relates to a method for welding at least two parts (2, 3) comprising a thermoplastic material and having respective surfaces (10, 11) to be welded, which comprises: inserting an insert (4) between the surfaces (10, 11) to be welded of the two parts (2, 3); generating heat by means of said insert (4); wherein the insert (4) moves relative to the parts (2, 3) to be welded during welding, in a welding direction. The invention likewise relates to an apparatus (1) for implementing said method.
B29C 65/20 - Joining of preformed parts; Apparatus therefor by heating, with or without pressure using heated tool with direct contact, e.g. using "mirror"
B29C 65/08 - Joining of preformed parts; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
B29C 65/10 - Joining of preformed parts; Apparatus therefor by heating, with or without pressure using hot gases
B29C 65/14 - Joining of preformed parts; Apparatus therefor by heating, with or without pressure using wave energy or particle radiation
B29C 65/72 - Joining of preformed parts; Apparatus therefor by combined operations, e.g. welding and stitching
B29C 70/30 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
58.
LIQUID COMPOSITION COMPRISING THREE INITIATORS, ITS PROCESS OF POLYMERIZATION, USE AND MATERIAL OR COMPOSITION OBTAINED FOLLOWING POLYMERIZATION OF COMPOSITION
The present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least three initiators. In particular the present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least three initiators that have a different half life time. That liquid composition can be used as a syrup and especially as a syrup for impregnation of fibres or fibrous material. Also concerned is a thermoplastic material obtained after polymerization of the liquid composition. The invention also relates to a process for manufacturing such a liquid composition. The invention also relates to a process for impregnating a fibrous substrate of long fibres with said liquid composition. The invention also relates to a fibrous substrate impregnated with said liquid composition which is useful for manufacturing composite parts. The present invention also relates to a process for manufacturing mechanical parts or structural elements made of composite material and to mechanical parts or structural elements made of composite material obtained via a process using such a liquid composition.
The invention relates to a process for recycling (100) an item based on thermoplastic (meth)acrylic polymer resin, characterized in that it comprises the following steps: - introduction (110) of the item into a system suitable for thermoplastic polymer recycling, - at least partial depolymerization (130) of the thermoplastic (meth)acrylic polymer resin so as to form (meth)acrylate monomers, - introduction (140) of a hydrolysis catalyst into a hydrolysis reactor, - introduction (150) of water into said hydrolysis reactor, and - conversion (160), in the hydrolysis reactor, of at least some of the (meth)acrylate monomers into (meth)acrylic acid. The invention also relates to a system for recycling an item based on thermoplastic (meth)acrylic polymer resin.
C08J 11/14 - 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 treatment with steam or water
B01J 19/02 - Apparatus characterised by being constructed of material selected for its chemically-resistant properties
C07C 51/09 - Preparation of carboxylic acids or their salts, halides, or anhydrides from carboxylic acid esters or lactones
C07C 51/54 - Preparation of carboxylic acid anhydrides
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
C08J 11/16 - 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 treatment with inorganic material
C08J 11/22 - 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 treatment with organic material by treatment with organic oxygen-containing compounds
60.
THERMOPLASTIC COMPOSITION COMPRISING A MICROWAVE-DEPOLYMERISATION SENSITISING COMPOUND
The invention relates to a thermoplastic composition comprising: at least one thermoplastic polymer precursor, and at least one microwave-depolymerisation sensitising compound. The invention also relates to a method for recycling an article, comprising: - placing the article in a reactor, and - applying microwave radiation, at a given frequency, to the article placed in the reactor.
C08J 3/20 - Compounding polymers with additives, e.g. colouring
C08J 11/04 - Recovery or working-up of waste materials of polymers
61.
CURABLE COMPOSITIONS FOR USE AS ADHESIVES HAVING PROPERTIES CAPABLE OF BEING ALTERED BASED ON EXTERNAL STIMULI AND METHODS OF MAKING AND USING THE SAME
A curable composition provides, upon curing, an adhesive made from energy-curable compounds having one set of adhesive properties (i.e., peel, tack and shear) after curing and a second set of adhesive properties after being subjected to some external stimuli, such as heat, light, chemicals or mechanical stresses. The curable composition comprises at least one urethane (meth)acrylate oligomer having a structure comprising: a1) at least one polyol backbone segment having at least one reacted end; a2) at least one reacted polyisocyanate forming a urethane linkage at the at least one reacted end of each of the at least one polyol backbone segment and a3) at least one blocking end group reacted with the at least one reacted polyisocyanate to form a reversible bond and bearing a (meth)acrylate group and a chain terminator or extender.
The present invention relates to a precursor composition for (meth) acrylic thermoplastic composites, its method of preparation and its use. In particular it relates to a semi-fabricated composition comprising a (meth) acrylic polymer, a monomer, a fibrous material and at least one initiator. More particularly the present invention relates to a precursor composition comprising a (meth) acrylic polymer, a monomer, a fibrous material and at least two initiators. The present invention relates also to a method of preparation of a composition comprising a (meth) acrylic polymer, a monomer, a fibrous material and at least two initiators.
The invention relates to 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 of the invention 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 novel method of the invention 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, such as in combination with ELIUM® liquid resins from Arkema.
B29C 44/00 - Shaping by internal pressure generated in the material, e.g. swelling or foaming
B29C 44/34 - Component parts, details or accessories; Auxiliary operations
B29C 44/44 - Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in the form of expandable particles or beads
B29C 44/54 - Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length in the form of expandable particles or beads
B29C 70/00 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
The invention relates to a fatty amide which is a di- or tri-amide based on a diamine or a polyether triamine which can be used as an organogelling agent and in particular as a rheology additive. The invention also relates to a formulation composition using the fatty amide as a rheology additive and the use thereof for said purpose in coating compositions, adhesives, PVC plastisols and in particular transparent or non-transparent mastics. The rheology additive has the advantage of not requiring a specific activation process before use, unlike other known fatty amide additives based on hydrogenated castor oil derivatives.
C07C 237/12 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups
The invention relates to a liquid composition comprising: a) a (meth)acrylic polymer, b) a (meth)acrylic monomer, and c) a setting agent selected from a metal oxide or a metal hydroxide, said (meth)acrylic polymer comprising a monomer carrying a carboxylic acid function and/or said (meth)acrylic monomer carrying a carboxylic acid function, and said liquid composition having a dynamic viscosity of between 10 mPa.s and 10000 mPa.s at 25°C.
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
Method for preparing alkoxylated secondary alcohols of formula (I) where: - the group formed by Ri and R2 and the carbon atom to which Ri and R2 are attached represents 2-octyl or 4-methyl-2-pentyl, - n ranges from 1 to 100, and A represents a sequence of one or more units chosen from ethylene oxide, propylene oxide, butylene oxide and their mixtures, in which a) alcohol of formula R1CH(OH)R2 (II) is reacted, in which Ri and R2 and the carbon atom to which they are attached are as defined above, with n ethylene oxide(s) in the presence of one catalyst of the dimetallic cyanide type, and b) the product obtained in a) is reacted with one or more oxides chosen from ethylene oxide, propylene oxide, butylene oxide and their mixtures, in the presence of the catalyst of the dimetallic cyanide type. The method allows the alkoxylation of secondary alcohols in a simple manner and is applicable industrially at a low cost.
The invention relates to a compound of following formula (I), and also to the addition salts thereof with an organic or mineral base, the solvates such as hydrates and the mixtures thereof; to the use thereof as a surfactant, wetting agent, detergent, emulsifier, dispersant, corrosion inhibitor, plasticizer, sequestering agent, ionic liquid, stabilizer, lubricant, bitumen additive, gelling agent in oils, flotation collector for ores, adjuvant in the manufacture of plastic objects, anti-static agent, additive for fertiliser coverings and for enhanced oil recovery, and also to the compositions comprising at least one compound of formula (I) and/or a salt thereof, alone or as a mixture.
C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
The invention relates to the compounds of formula (I), in which R1 and R2 represent a linear, branched or cyclic, saturated or unsaturated hydrocarbon group, comprising 1 to 6 carbon atoms, wherein the sum of the carbon atoms of the groups R1 and R2 is from 2 to 7, A represents a chain of one or a plurality of units of ethylene oxide, propylene oxide, butylene oxide and the mixtures thereof, and n is an integer between 1 and 100 inclusive. The invention also relates to the mineral or organic salts thereof. The invention further relates to the use of the compounds of formula (I) and/or to one of the salts thereof as a surfactant, a wetting agent, a detergent, an emulsifying agent, a dispersant, a corrosion inhibitor, and the like. The invention further relates to the compositions comprising at least one compound of formula (I) and/or to one of the salts thereof.
C07C 305/10 - Esters of sulfuric acids having oxygen atoms of sulfate groups bound to acyclic carbon atoms of a carbon skeleton being acyclic and saturated being further substituted by singly-bound oxygen atoms
Utilisation du composé (l) (see formula I) où R1, R2 et le carbone qui les porte forment un 2-octyle ou 4-méthyl-2- pentyle, comme tensioactif ; hydrotrope ; détergent ; solvant ; compatibilisant ; dispersant ; intermédiaire chimique ; inhibiteur de corrosion; désémulsionnant ; plastifiant ; séquestrant ; inhibiteur de dépôts minéraux ; liquide ionique ; stabilisant ; lubrifiant ; additif pour bitumes, désencrage, ou revêtements d'engrais ; collecteur de flottation pour minerais ; adjuvant dans la fabrication des objets plastiques ; ou comme agent émulsifiant, de mouillage, de coalescence, moussant, gélifiant dans les huiles, ou antistatique. Le composé est obtenu par (a) réaction d'un alcool R1CH(OH)R2 avec n oxyde(s) d'éthylène, en présence d'un cyanure dimétallique; (b) réaction du produit de (a) avec un ou plusieurs oxydes d'éthylène, de propylène, et/ou de butylène, en présence d'un cyanure double métallique. Le composé (l) peut être dans une composition avec des solvants aqueux, organiques, ou hydro- organiques.
A polymerizable adhesive composition comprising a two-part hybrid polymerizable adhesive composition is disclosed. In particular, the polymerizable adhesive composition comprises an organoborane monoamine complex, a free polyol comprising a dimer fatty polyol and a polyether polyol, at least one free radically polymerizable component, an isocyanate-terminated urethane pre-polymer, a free isocyanate and a low molecular weight chain extending compound. Also disclosed is methods of making and using a hybrid adhesive obtained from polymerization of the polymerizable adhesive composition.
The invention relates to an aqueous polymer dispersion which is stable for at least 12 h, when dissolved in a high amount of organic solvents and eventually acidified at very low pH (pH < 2). The said polymer comprises units and/or groups issued from : a) at least one (meth)acrylic monomer which is a (meth)acrylic ester of a C1-C12 alcohol without any other functional group than (meth)acrylate b) at least monomer b1 ) or initiator b2) or both as defined below : b1 ) at least one vinylic, allylic or (meth)acrylic monomer, bearing an anionic grou derived from strong acids with pKa < 3, b2) at least one initiator, bearing the same anionic group as b1 ) c) at least one hydroxy-functional vinylic, allylic or (meth)acrylic monomer d) optionally, at least one carboxy-functional ethylenically unsaturated monomer e) optionally, at least one vinylic monomer bearing only one vinyl group, without any other functional group than vinylic group f) optionally, at least one vinylic or (meth)acrylic monomer bearing at least one functional group selected from : nitrile, amide, acetoacetoxy, diacetone, free silane or alkoxy-blocked silane, epoxy, urea or ure'i'do g) optionally, at least one multifunctional vinylic or (meth)acrylic monomer and which polymer bears : the anionic groups as defined in b) in an amount of at least 0.05 meq/g and hydroxy groups as defined in c) in an amount of at least 0.1 meq/g.
The invention relates to a compound of the following formula (I): (I) wherein: - PAr is a polyaromatic group comprising at least two condensed aromatic hydrocarbon rings, each of said condensed aromatic rings optionally being substituted by one or more carbon chains which are identical or different, aliphatic or aromatic, linear, branched or cyclic, optionally substituted or interrupted by one or more heteroatoms; and - Sp is an atom or a group of atoms.
Curable compositions having desirable attributes such as rapid curing rates and enhanced physical properties are prepared using admixtures of one or more (meth)acrylate-functionalized compounds and one or more reactive comonomers, such as 1,1-diester- 1 -alkenes (e.g., methylene malonates), 1 , 1 -diketo- 1 - alkenes, 1-ester- 1 -keto- 1 -alkenes and/or icatonates.
C08F 222/14 - Esters having no free carboxylic acid groups
B29C 64/00 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
The present invention relates to a process for odorising a cryogenic fluid, comprising a step a) of continuously feeding an odorising agent in liquid or gas form into a feed zone, said feeding being carried out at a temperature above the temperature of the cryogenic fluid and above the crystallisation temperature of the odorising agent, a step b) of feeding said odorising agent in liquid or gas form from step a) into a buffer zone in which the liquid or gas odorising agent is brought to a temperature of about the temperature of the cryogenic fluid, and a step c) of feeding said odorising agent cooled in step b) into the contact zone, wherein said odorising agent comes into contact with said cryogenic fluid to be odorised. The present invention also relates to an odorising device for implementing said odorising process.
The present invention relates to an aqueous polymeric dispersion comprising emulsion polymerization polymeric particles having a monomeric composition comprising at least one monomer selected from acrylic, vinylicor allylic monomers and further comprising a mixture of surfactants comprising: a) a phosphate surfactant selected from alkoxylated alkyl phosphate ester acids or salts, preferably alkoxylated alkyl phosphate monoester-diacids or salts or from alkoxylatedalkyl diphosphate diester-monoacids or salts or a mixture of alkoxylated alkyl phosphate monoester-diacids or salts and alkoxylated alkyl diphosphate diester-monoacids or salts and at least one of the following surfactants: b) a surfactant selected from alkoxylated alcohol sulfate metal M salts c) a surfactant selected from dialkyl C4-C18 diester and/or C4-C18 monoesters of sulfosuccinate metal M salts and the polymer of said polymeric particles having a glass transition temperature Tg, as determined by DSC at a second passage at a heat rate of 20°C/min, which is lower than 0°C. It also relates to its uses in adhesives or sealants and particularly, in pressure sensitive adhesives with improved stability at low and high temperature and/or under mechanical shear and a method for improving the stability of an aqueous polymer dispersion at low and high temperature and/or under mechanical shear.
C09J 133/08 - Homopolymers or copolymers of acrylic acid esters
76.
CROSSLINKING COMPOUND, METHOD FOR SYNTHESIZING SAME, LIQUID COMPOSITION COMPRISING SAID CROSSLINKING COMPOUND, PROCESS FOR POLYMERIZING SAME, AND MATERIAL OBTAINED AFTER POLYMERIZATION OF SAID COMPOSITION
The invention relates to a crosslinking compound of formula (I). In particular, the present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least one crosslinking compound of formula (I). This liquid composition may be used in the form of a syrup and in particular in the form of a syrup for impregnating fibers or fibrous material. The invention further relates to a pseudo-thermoplastic material obtained after polymerization of the liquid composition that is at least partially crosslinked. The invention further relates to a process for manufacturing such a liquid composition. The invention further relates to a process for impregnating a fibrous substrate of long fibers with said liquid composition. The invention further relates to a fibrous substrate impregnated with said liquid composition which is useful for manufacturing composite parts. The present invention further relates to a process for manufacturing mechanical parts or structural elements formed of composite material and to mechanical parts or structural elements formed of composite material that are obtained by a process using such a liquid composition.
C08F 222/00 - 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 carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
C08L 33/12 - Homopolymers or copolymers of methyl methacrylate
77.
METHOD FOR THE PURIFICATION OF RAW CARBON NANOTUBES
The present invention relates to a method for the purification of raw carbon nanotubes in order to obtain a metal impurity level of between 5 ppm and 200 ppm. The method comprises increasing the bulk density of the raw carbon nanotubes by means of compaction in order to produce compacted carbon nanotubes. The method also comprises sintering the compacted carbon nanotubes by means of heat treatment in a gaseous atmosphere in order to remove at least some of the metal impurities contained in the raw carbon nanotubes, thereby producing purified carbon nanotubes. The purified carbon nanotubes can be used directly as electronic conductors serving as basic additives for an electrode material, without requiring any subsequent purification step. The electrode material can then be used to produce an electrode intended for a lithium-ion battery.
The invention relates to a process (100) for manufacturing a thermoplastic polymer composite object (1), from at least two thermoplastic polymer composite parts (10), said thermoplastic polymer composite comprising a fibrous reinforcement and a thermoplastic polymer matrix, said process comprising the steps of: - positioning (120) the two thermoplastic polymer composite parts (10) in an adjacent or overlapping manner at an assembly interface zone (11), and - heating (130) in order to melt the thermoplastic polymer matrix at said assembly interface zone (11) so as to form a thermoplastic polymer composite object (1) having a welded interface (12).
B29C 65/20 - Joining of preformed parts; Apparatus therefor by heating, with or without pressure using heated tool with direct contact, e.g. using "mirror"
B29C 65/36 - Joining of preformed parts; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
79.
WIND TURBINE BLADE MADE OF THERMOPLASTIC POLYMER COMPOSITE, PART OF SAID BLADE AND PRODUCTION METHOD
The invention relates to a wind turbine blade (1) comprising an outer envelope formed at least in part of panels (3) of thermoplastic polymer composite, defining a leading edge (4) and a trailing edge (5) of the wind turbine blade, and at least one longitudinal stiffening member (6) made of polymer composite, extending along a longitudinal axis (A) of the wind turbine blade, inside said wind turbine blade (1), said stiffening member (6) being arranged between at least one panel that defines the leading edge (4) and at least one panel that defines the trailing edge (5), characterized in that the thermoplastic polymer composite comprises a fibrous reinforcement and a (meth)acrylic thermoplastic polymer matrix, and in that at least one thermoplastic polymer composite panel (3) is joined to the stiffening member (6) by a weld-type interface (7).
The invention relates to electrolyte compositions comprising lithium hexafluorophosphate, lithium 4,5-dicyano-2-(trifluoromethyl)imidazolate, a solvent and at least one electrolytic additive. The present application also describes the use of said electrolyte compositions in batteries, e.g. within a temperature range greater than or equal to 25°C.
The present invention relates to a non-crosslinked block copolymer foam composition, characterised in that it is presented in the form of a polymer matrix comprising closed cells containing gas, said matrix including: 90 wt% to 99.9 wt% of said block copolymer, and 0.01 wt% to 10 wt% of metal carbonate, of the total weight of the foam composition. The present invention likewise relates to a foamable composition and to a method for manufacturing said foam, as well as to the use of the foam in the soles of sports shoes, balls, gloves, personal protective equipment, rail pads, motor vehicle parts, construction parts, and the parts of electrical and electronic equipment, audio equipment, acoustic and/or thermal insulation, and vibration-damping parts.
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
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
82.
LIQUID COMPOSITION COMPRISING TWO INITIATORS, ITS PROCESS OF POLYMERIZATION, USE AND MATERIAL OR COMPOSITION OBTAINED FOLLOWING POLYMERIZATION OF COMPOSITION
The present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least two initiators. In particular the present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least two initiators that have a different half life time. That liquid composition can be used as a syrup and especially as a syrup for impregnation of fibres or fibrous material. Also concerned is a thermoplastic material obtained after polymerization of the liquid composition. The invention also relates to a process for manufacturing such a liquid composition. The invention also relates to a process for impregnating a fibrous substrate of long fibres with said liquid composition. The invention also relates to a fibrous substrate impregnated with said liquid composition which is useful for manufacturing composite parts. The present invention also relates to a process for manufacturing mechanical parts or structural elements made of composite material and to mechanical parts or structural elements made of composite material obtained via a process using such a liquid composition.
The invention relates to the use of low levels of aliphatic short-chain saturated esters to control air void formation in any exothermic polymerization reaction in which the exotherm exceeds the boiling point of the monomer. One such polymerization is the bulk polymerization of one or more monomers having carboxylic acid ester monomers, at a level of at least 10% of total monomer. The aliphatic short-chain saturated esters are used in the polymerization mixture at levels of 0.5 to 10 weight percent, based on the carboxyl-containing monomer. The invention is especially useful in polymerization of methylmethacrylate polymers and copolymers, either neat, or as a polymer composite system.
The invention relates to the use of low levels of glycols and short chain diols to control air void formation in any polymerization reaction having carbonyl-containing monomers, and preferably carboxylic acid ester monomers, at a level of at least 10% of total monomer, where the monomer has a peak polymerization exotherm temperature of greater than the boiling point of the monomer. The glycols and short chain diols are used in the polymization mixture at levels of 0.5 to 10 weight percent, based on the carboxylic acid ester-containing monomer. It is believed the glycols and short chain diols hydrogen bond with the -(C=O)O- containing monomer to increase the monomer boiling point, and decrease or even eliminate the formation of air voids due to monomer boiling. The invention is especially useful in polymerization of methyl methacrylate polymers and copolymers, either neat, or as a polymer composite system.
The invention relates to the use of low levels of aliphatic primary and secondary amines to control air void formation in any polymerization reaction having carbonyl groups, and especially carboxylic acid ester group-containing monomers at a level of at least 10% of total monomer, where the monomer has a peak polymerization exotherm temperature of greater than the boiling point of the monomer. The primary or secondary amines are used in the polymerization mixture at levels of 100 to 5000 ppm, based on the carboxylic acid ester group-containing monomer. It is believed the primary and secondary amines hydrogen bond with the -C=O)O- containing monomer to increase the monomer boiling point, and decrease or even eliminate the formation of air voids due to monomer boiling. The invention is especially useful in polymerization of methymethacrylate polymers and copolymers, either neat, or as a polymer composite system.
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 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
The present invention concerns novel zeolite adsorbent materials, in particular specific zeolite adsorbent materials suitable for the non-cryogenic separation of industrial gases, and more particularly for the separation of nitrogen by adsorption in gas flows such as air and the purification of hydrogen by adsorption of carbon monoxide (CO) and/or nitrogen (N2), and the use of same, in particular, for preparing medical oxygen in breathing assistance oxygen concentrators.
B01D 53/04 - 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 with stationary adsorbents
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
Useful articles, such as coatings, adhesives, printed graphics, 3D printed articles and molded articles are prepared by curing compositions containing one or more salts of ethylenically unsaturated carboxylic acids comprising six or more carbon atoms, one or more multifunctional (meth)acrylate oligomers and one or more mono(meth)acrylate esters of alcohols which, when polymerized as homopolymers, have glass transition temperatures of at least 50°C.
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
C09J 4/00 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
The present disclosure is directed to an ultra-high solids emulsion comprising a plurality of multiphase polymer particles, in which the multiphase particles comprises an acrylic-based copolymer derived from monomers comprising an alkyl methacrylate; an alkyl acrylate; a hydroxyalkyl acrylate; at least one or more acids; a vinyl aromatic compound; and a vinyl ester or vinyl lactam, a copolymerizable surfactant, at least one or more alkylphenol ethoxylate (APE) free nonionic surfactants, and at least one or more APE free anionic surfactants in aqueous medium in the presence of an initiator and a buffer. Additionally, methods for preparing such ultra-high solids emulsion and applications of such emulsion in coatings and adhesives are disclosed.
The invention relates to use of at least one MXDZ polyamide, obtained from the polycondensation of meta-xylylenediamine (MXD) with an aliphatic dicarboxylic acid (Z) in C6 to Cl8, in a mixture comprising at least an aliphatic polyamide A obtained from the polycondensation of a unit chosen from among: - a lactam in C6 to C12, - an amino acid in C6 to C12, and a unit XY obtained from the polycondensation of an aliphatic diamine (X) in C4 to C12, in particular in C4 to C12, and an aliphatic dicarboxylic acid (Y) in C6 to C18, in particular in C6 to C12, of glass fibres having a circular cross-section and optionally at least a shock modifier and/or at least an additive, said at least one MXDZ polyamide and said mixture comprising a composition, and the ratio by weight MXDZ/A being comprised from 0.11 to 0.83, in particular 0.11 to 0.66, to limit the warping of said composition during its implementation, in particular by injection or compression molding.
C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
90.
USE OF GLASS FIBRES HAVING A CIRCULAR CROSS-SECTION IN A MIXTURE COMPRISING A SEMI-AROMATIC POLYAMIDE AND AN ALIPHATIC POLYAMIDE FOR IMPROVING THE MECHANICAL PROPERTIES OF THE MIXTURE
The present invention concerns the use of glass fibres having a circular cross-section in a mixture comprising at least one polyamide MXDZ, obtained by polycondensation of meta-xylylene diamine (MXD) with an aliphatic dicarboxylic acid (Z) in C6 to C18, and in particular in C6 to C12, and at least one aliphatic polyamide A obtained by polycondensation of a unit chosen among: - a lactam in C6 to C12, - an amino acid in C6 to C12, and - a unit XY obtained by polycondensation of an aliphatic diamine (X) in C4 to C18, particularly in C4 to C12, and an aliphatic dicarboxylic acid (Y) in C6 to C18, particularly in C6 to C12, glass fibres having a circular cross-section and optionally at least one impact modifier and/or at least one additive; the glass fibres having a circular cross-section and the mixture make up a composition in which the glass fibres having a circular cross-section are present in an amount of 30 to 75% by weight, especially 40 to 65% by weight, in relation to the total weight of the composition, to improve the mechanical properties of the composition, in particular elongation at rupture, once the composition is used, especially for injection or compression moulding.
The invention relates to a method for producing at least one alkoxylated polyphenol, comprising the following consecutive steps: (a) reacting at least one polyphenol, at least one alkoxylating agent and at least one catalyst, in the presence of at least one poly(oxyalkyleneglycol) acting as solvent, at a temperature of 80°C to 200°C, preferably 100°C to 170°C, and a pressure of 0.15 MPa to 2 MPa, preferably 0.2 MPa to 1.8 MPa; and b) removing the residual alkoxylating agent.
The invention relates to a method for producing at least one alkoxylated polyphenol, comprising the following consecutive steps: (a) reacting at least one polyphenol, at least one alkoxylating agent and at least one catalyst in the presence of at least one alkoxylated polyphenol acting as solvent, the weight ratio between the polyphenol and the alkoxylated polyphenol acting as solvent being less than 2, preferably not more than 1.5, more preferably not more than 1, and even more preferably not more than 0.5; and b) removing the residual alkoxylating agent.
The invention relates to a composition comprising at least a polyol ester-based lubricant and a refrigerant F comprising 1-chloro-3,3,3-trifluoropropene. The invention also relates to various uses of this composition, including in a process for producing electricity by means of a heat engine comprising successively an evaporation of a heat transfer component, or in a process for heating or cooling a liquid or a body by means of a vapour compression system comprising a heat transfer composition, in all of which the heat transfer composition is a composition as described.
C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
C10M 171/00 - Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredien
94.
POLYMERIZATION-INDUCED PHASE-SEPARATING COMPOSITIONS FOR ACRYLATE-BASED NETWORKS
Embodiments described herein are directed to polymerization-induced phase- separating (PIPS) compositions for enhancement of impact resistance and rheological properties in photocurable resinsfor 3D printing,such as for inks, coatings and adhesives. Embodiments described herein are advantageous with respect to properties such as impact resistance, shearadhesion and cohesive strength. The PIPS compositions may include components X, Y and Z, wherein X includesan acrylic based monomer; Y includes a copolymer of block A and block B; and Z includes a multifunctionalcross-linker. Methods of using the PIPS compositions are also described. Also described are methods of screening potential acrylic basedmonomeric or oligomeric additives that yield improved impact resistance.
B29C 64/00 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
C08F 285/00 - Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
95.
COMPOUNDS CONTAINING CYCLIC STRUCTURAL ELEMENTS, URETHANE / UREIDO LINKAGES AND A FREE RADICAL-POLYMERIZABLE FUNCTIONAL GROUP
Compounds useful for formulating inks, 3D printing resins, molding resins, coatings, sealants and adhesives which exhibit reduced shrinkage stress and high hardness and stiffness when cured are described which include a single free radical-polymerizable functional group, one or more urethane and/or ureido linkages and one or more cyclic structural elements per molecule.
The present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least one flame-retardant substance(FD1)chosen from a phosphorus-based additive. In particular the present invention it relates to a liquid composition comprising a monomer,a (meth)acrylic polymer and at least one flame-retardant substance (FD1)chosen from a phosphorus- based additive that can be used as a syrup and especially as a syrup for impregnation and for the preparation for improving the fire resistance of a thermoplastic polymer or matrix obtained after polymerization of the syrup. Also concerned is a thermoplastic material obtained after polymerization of the liquid composition or syrup. The invention also relates to a process for manufacturing such a liquid composition or syrup. The invention also relates to a process for impregnating a fibrous substrate of long fibers with said liquid composition or syrup. The invention also relates to a fibrous substrate preimpregnated with said liquid composition or syrup which is useful for manufacturing composite parts. The present invention also relates to a process for manufacturing mechanical parts or structural elements made of composite material and to mechanical parts or structural elements made of composite material obtained via a process using such a liquid composition.
The invention concerns a zeolite adsorbent in the form of agglomerates, having: - a tortuosity factor t, calculated from the pore distribution determined by mercury intrusion porosimetry, strictly greater than 1 and strictly less than 3, - a porosity ep, determined by mercury porosimetry, of between 25% and 35%, where Vma designates the macroporous volume, Vme the mesoporous volume and Vg, the grain volume of the adsorbent, in cm3.g-1. The invention also concerns the method for preparing same and a method for separating para-xylene from aromatic hydrocarbon isomer fractions containing 8 carbon atoms by adsorbing the para-xylene by means of said adsorbent.
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
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
98.
LOW-VISCOSITY POLYMERIZABLE PRECURSOR COMPOSITION FOR IMPACT-REINFORCED MATERIALS
The invention relates to a low-viscosity polymerizable precursor composition for impact-reinforced materials. A composition of said type is useful in fields such as adhesives, varnishes and coatings, resins for impregnating fabrics or woven materials, coatings for flexible substrates, or 3D printing processes.
C08L 51/08 - 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 macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
C09D 151/08 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
C09J 151/08 - Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
99.
LIQUID (METH) ACRYLIC COMPOSITION COMPRISING A MULTISTAGE POLYMER AND A (METH) ACRYLIC MONOMER, ITS METHOD OF PREPARATION AND ITS USE
The present invention relates to a liquid (meth) acrylic composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer. In particular the present invention it relates to liquid composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer that can be used as a syrup and especially as a syrup for impregnation. More particularly the present invention relates also to a process for preparing a liquid composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer.
C08F 265/08 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of nitriles
100.
HYDROGEN PEROXIDE AQUEOUS SOLUTION CONTAINING A SPECIFIC STABILIZER
The invention relates to a hydrogen peroxide aqueous solution containing a stabilizer selected from the family of substituted or unsubstituted aminopolycarboxylic acids (APCA) or salts thereof. The invention also relates to the use of such a hydrogen peroxide aqueous solution and to a method for disinfecting a package using said aqueous solution.
patents
