The present invention relates to a composition comprising at least one non-ionic surfactant TA1 which is a fatty alcohol alkoxylate and at least one nonionic surfactant TA2 which is a phenol alkoxylate substituted with at least one hydrocarbon chain having from 10 to 60 carbon atoms. The present invention also relates to the use of said composition for preparing aqueous emulsions, in particular bitumen emulsions.
The present invention relates to the production of butyl acrylate by direct esterification of acrylic acid with butanol, this reaction being catalyzed by sulfuric acid. More specifically, it relates to an improved process for producing butyl acrylate, enabling high-purity butyl acrylate to be obtained, by upgrading both the Michael adducts formed during this process, by thermal and catalytic cracking, in the form of reactants and ester which can be recycled in the process, and the final residue, by hydrothermal gasification in the form of methane and mineral salts.
C07C 67/08 - Préparation d'esters d'acides carboxyliques par réaction d'acides carboxyliques ou d'anhydrides symétriques avec le groupe hydroxyle ou O-métal de composés organiques
C07C 67/54 - Séparation; Purification; Stabilisation; Emploi d'additifs par modification de l'état physique, p.ex. par cristallisation par distillation
C01B 3/32 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par réaction de composés organiques gazeux ou liquides avec des agents gazéifiants, p.ex. de l'eau, du gaz carbonique, de l'air
C07C 67/327 - Préparation d'esters d'acides carboxyliques par modification de la partie acide de l'ester sans introduction d'un groupe ester par hydrogénolyse de groupes fonctionnels par élimination de groupes fonctionnels contenant de l'oxygène lié uniquement par liaison simple
3.
COMPOSITION BASED ON A POLYAMIDE AND A POLYMER COMPRISING POLYAMIDE BLOCKS AND POLYETHYLENEGLYCOL BLOCKS
The present invention relates to a composition comprising a polyamide, a polymer having polyamide (PA) blocks and polyethylene glycol (PEG) blocks, a functionalized polyolefin, and a polyolefin, wherein the weight ratio of (a+b)/(c+d) is < 1. The invention also relates to a method of making said composition, a kit for obtaining said composition, an article comprising or made from said composition, and a method of making said article.
The invention relates to a method for controlling the temperature of a battery in an electric or hybrid motor vehicle by means of a system comprising a vapor compression circuit in which flows a first heat transfer composition comprising 2,3,3,3-tetrafluoropropene, and a secondary circuit in which flows a second heat transfer composition comprising 1-chloro-3,3,3-trifluoropropene that has a ratio of the Z form to the E form of less than or equal to 9, the method involving: —heat exchange between the battery and the second heat transfer composition; —heat exchange between the second heat transfer composition and the first heat transfer composition. The invention also relates to a system for carrying out said method.
H01M 10/6569 - Fluides qui subissent un changement ou une transition de phase liquide-gaz, p.ex. évaporation ou condensation
H01M 4/02 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p.ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p.ex. LiNiO2, LiCoO2 ou LiCoOxFy
The present invention relates to a method for the continuous synthesis of ZSM-5 zeolite crystals, the method comprising continuously feeding a tubular reactor with a synthesis medium comprising a source of silica, a source of alumina and seeds, rapidly increasing the temperature of the synthesis medium to a value of between 100°C and 300°C, crystallising at a temperature at least equal to or higher than the temperature of the preceding step and continuously recovering the ZSM-5 zeolite crystals.
The present invention relates a composition comprising a polyamide, a polymer having polyamide (PA) blocks and poly(tetramethylene ether) glycol (PTMG) blocks, a functionalized polyolefin, and a polyolefin, wherein the polymer (b) comprises at least 40% by weight of PTMG, with regard to the weight of the polymer (b). The present invention also relates to a method of making said composition, a kit for obtaining said composition, an article comprising or made from said composition, and a method of making said article.
The invention concerns an additive manufacturing process by extrusion for forming a three-dimensional part with an additive manufacturing machine comprising a nozzle, the process comprising:
i) providing a pseudo-amorphous composition having a glass temperature Tg;
ii) softening the composition at a softening temperature above Tg and below 300° C. to form a softened composition which is fluid enough to flow and, extruding the softened composition from the nozzle to form an extruded part section; and,
iii) solidifying the extruded part section;
wherein the composition is based on a homopolymer or a copolymer of poly-ether-ketone-ketone, consisting of: at least an isophthalic (I) repeating unit, having the formula:
The invention concerns an additive manufacturing process by extrusion for forming a three-dimensional part with an additive manufacturing machine comprising a nozzle, the process comprising:
i) providing a pseudo-amorphous composition having a glass temperature Tg;
ii) softening the composition at a softening temperature above Tg and below 300° C. to form a softened composition which is fluid enough to flow and, extruding the softened composition from the nozzle to form an extruded part section; and,
iii) solidifying the extruded part section;
wherein the composition is based on a homopolymer or a copolymer of poly-ether-ketone-ketone, consisting of: at least an isophthalic (I) repeating unit, having the formula:
and, in the case of the copolymer, a terephthalic (T) repeating unit, having the formula:
The invention concerns an additive manufacturing process by extrusion for forming a three-dimensional part with an additive manufacturing machine comprising a nozzle, the process comprising:
i) providing a pseudo-amorphous composition having a glass temperature Tg;
ii) softening the composition at a softening temperature above Tg and below 300° C. to form a softened composition which is fluid enough to flow and, extruding the softened composition from the nozzle to form an extruded part section; and,
iii) solidifying the extruded part section;
wherein the composition is based on a homopolymer or a copolymer of poly-ether-ketone-ketone, consisting of: at least an isophthalic (I) repeating unit, having the formula:
and, in the case of the copolymer, a terephthalic (T) repeating unit, having the formula:
wherein the molar proportion of T units relative to the sum of the T and I units ranges from 0% to 45% or from 55% to 65%.
C09D 161/16 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols de cétones avec des phénols
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
C09D 11/102 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone
The invention relates to detergent formulations comprising at least one secondary alcohol alkoxylate, and to the use of said at least one secondary alcohol alkoxylate as a surfactant in a detergent formulation to lower the foaming power thereof.
A method for controlling the temperature of a battery in an electric or hybrid motor vehicle by means of a system including a vapor compression circuit in which a first heat transfer composition flows, and a secondary circuit in which a second heat transfer composition flows, the method involving: —heat exchange between the battery and the second heat transfer composition; —heat exchange between the second heat transfer composition and the first heat transfer composition; wherein the battery includes at least one electrochemical cell having a negative electrode, a positive electrode and an electrolyte including a lithium salt composition, the lithium salt composition including: —at least 99.75% by weight of a lithium salt of bis(fluorosulfonyl)imide; —chlorides Cl—at a mass content strictly less than 20 ppm. Also a system for carrying out the method.
C09K 5/04 - Substances qui subissent un changement d'état physique lors de leur utilisation le changement d'état se faisant par passage de l'état liquide à l'état vapeur ou vice versa
H01M 10/0568 - Matériaux liquides caracterisés par les solutés
The invention relates to aqueous polymer dispersions comprising polymerized units issued from the following monomers with related weight proportions based on 100 parts of weight of a)+b): a) 50 to 90% of a monoethylenically unsaturated non-ionic monomer, b) 10 to 50% of vinyl aromatic monomer or methyl methacrylate, c) 1 to 5% of a hydroxy-containing (meth)acrylate, d) 0.1 to 3% of acid monomer selected from d1) acid monomer selected from monocarboxylic or dicarboxylic acid monomers and d2) acid monomer selected from phosphorous-based or sulfur-based strong acid monomers or/and their salts, or from the mixtures of d1) and d2), e) 0.001 to 0.5% of chain transfer agent, and f) 0 to 1% one of internal crosslinker bearing at least two copolymerisable ethylenic unsaturations, the polymer having a Tg measured by DSC from −30 to 0° C. and a gel content of 0 to 60%, formed during polymerization.
C08F 230/02 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et contenant du phosphore, du sélénium, du tellure ou un métal contenant du phosphore
C08F 220/06 - Acide acrylique; Acide méthacrylique; Leurs sels métalliques ou leurs sels d'ammonium
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C08F 220/20 - Esters des alcools polyhydriques ou des phénols polyhydriques
C08F 236/02 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone
C08K 3/013 - Charges, pigments ou agents de renforcement
The invention relates to a method for coating a surface, comprising the following steps: applying a layer of a curable composition to said surface; irradiating the curable composition with a first radiation having a wavelength of from 100 to 280 nm, so as to obtain a partially cured composition; and irradiating the partially cured composition with a second radiation comprising at least one wavelength greater than the wavelength of the first radiation and/or an electron beam, so as to obtain a cured composition; wherein the curable composition comprises at least one actinic-radiation-curable compound and particles of at least one polyamide. The invention also relates to a coating layer obtained by such a method and to an object comprising a surface covered with such a coating layer.
B05D 3/02 - Traitement préalable des surfaces sur lesquelles des liquides ou d'autres matériaux fluides doivent être appliqués; Traitement ultérieur des revêtements appliqués, p.ex. traitement intermédiaire d'un revêtement déjà appliqué, pour préparer les applications ultérieures de liquides ou d'autres matériaux fluides par cuisson
B05D 3/06 - Traitement préalable des surfaces sur lesquelles des liquides ou d'autres matériaux fluides doivent être appliqués; Traitement ultérieur des revêtements appliqués, p.ex. traitement intermédiaire d'un revêtement déjà appliqué, pour préparer les applications ultérieures de liquides ou d'autres matériaux fluides par exposition à des rayonnements
B05D 5/02 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces pour obtenir des effets, finis ou des structures de surface particuliers pour obtenir une surface mate ou rugueuse
12.
IMPROVED PROCESS FOR MANUFACTURING HIGH-PURITY ALKYL ACRYLATES
The invention relates to the manufacture of alkyl acrylates by direct esterification of acrylic acid with the corresponding alcohol. In particular, the invention relates to the use of a cracker in combination with a topping column equipped with a side draw-off allowing a stream rich in acidic impurities such as β-hydroxypropionic acid and β-acryloxypropionic acid to be drawn off during distillation of the crude reaction mixture, so as to produce an acrylic ester meeting purity standards compatible with its use for preparing acrylic polymers.
C07C 67/08 - Préparation d'esters d'acides carboxyliques par réaction d'acides carboxyliques ou d'anhydrides symétriques avec le groupe hydroxyle ou O-métal de composés organiques
C07C 67/54 - Séparation; Purification; Stabilisation; Emploi d'additifs par modification de l'état physique, p.ex. par cristallisation par distillation
The invention relates to a method for producing a polyamide powder having a single-mode melting endotherm and a single melting point (Tf1max), the method comprising the steps of: i) bringing a polyamide into contact with a solvent in order to obtain a mixture; ii) heating the mixture in order to solubilize the polyamide in the solvent; iii) cooling the mixture to the temperature (Tp) of precipitation of the polyamide from the solvent, thereby obtaining a powder characterized by a non-single-mode melting endotherm and more than one melting point, (Tf1max) being the highest melting point; iv) keeping the temperature of the mixture at a temperature that is at most equal to Tp, in particular within the range from Tp - 0.1°C to Tp - 15°C, until the precipitated polyamide powder is characterized by a single-mode melting endotherm and one melting point (Tf1max); and v) recovering the obtained polyamide powder.
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
C08J 3/14 - Pulvérisation ou granulation par précipitation à partir de solutions
C08L 77/06 - Polyamides dérivés des polyamines et des acides polycarboxyliques
C08G 69/08 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques
C08L 77/02 - Polyamides dérivés des acides oméga-aminocarboxyliques ou de leurs lactames
The invention relates to an ionic liquid comprising an anion of formula (I) and at least one onium cation, said ionic liquid having a colour of less than 115 Hazen units on the APHA scale. The invention also relates to a method for purifying an ionic liquid comprising an anion of formula (I) and at least one onium cation.
H01M 10/0568 - Matériaux liquides caracterisés par les solutés
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium
15.
A TWO-COMPONENT POLYURETHANE FOR POLYCARBONATE BONDING
The present invention relates to a two-component polyurethane composition for polycarbonate bonding, a method of bonding to a polycarbonate substrate with the composition, and a method of preparing the composition. The two-component polyurethane composition comprises at least one polycarbonate polyol, (ii) an amine free catalyst, and (iii) optionally, at least one aliphatic monomeric isocyanate compound; and at least one isocyanate component. The polyurethane composition is free of an aromatic isocyanate compound. Also disclosed is the use of the composition in adhesive, coating, primer, paint and varnish based compositions.
C08G 18/72 - Polyisocyanates ou polyisothiocyanates
C08G 18/73 - Polyisocyanates ou polyisothiocyanates acycliques
C08G 18/78 - Polyisocyanates ou polyisothiocyanates contenant des hétéro-atomes autres que l'azote, l'oxygène ou le soufre de l'isocyanate ou de l'isothiocyanate de l'azote
C08G 18/79 - Polyisocyanates ou polyisothiocyanates contenant des hétéro-atomes autres que l'azote, l'oxygène ou le soufre de l'isocyanate ou de l'isothiocyanate de l'azote caractérisés par le polyisocyanate utilisé, celui-ci contenant des groupes formés par oligomérisation d'isocyanates ou d'isothiocyanates
C09J 175/08 - Polyuréthanes à partir de polyéthers
16.
URETHANE (METH)ACRYLATES FOR USE IN RECYCLING OR DELAMINATION PROCESSES
A curable urethane (meth)acrylate oligomer is formed by reacting, in the presence of a catalyst, at least the following: (A) a first isocyanate reactive component bearing at least one (meth)acrylate group and at least one isocyanate reactive groups; (B) a polyisocyanate component; and (C) a second isocyanate reactive component bearing at least one acidic group and two isocyanate reactive groups, wherein the urethane (meth)acrylate oligomer has an acid content of at least 5x10-4 mol acid/g oligomer, with some of the acid groups optionally neutralized. A cured ink or coating made from the oligomer, along with at least one of a (meth)acrylate monomer or a (meth)acrylate oligomer and, optionally, at least one additive, can be easily removed from the substrate by treatment with aqueous base, thus allowing for recycling the substrate cleaned of any ink or coating. Nail gel compositions including the oligomer can also be more easily removed from nails.
A61K 8/81 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des composés organiques macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons insaturées carbone-carbone
The invention relates to a method (100) for producing a spar cap for a rotor blade of a wind turbine, said method comprising the steps of: - Providing (110) a plurality of pultruded planks, said pultruded planks being a thermoplastic composite comprising 45 % or less in volume of a polymeric matrix including (meth)acrylic polymers, and at least 55 % in volume of fibers, preferably carbon fibers; - Stacking (130) the pultruded planks into a pre-spar cap shape; and - Joining (140) the staked pultruded planks in order to produce the spar cap. - The invention also relates to a spar car, a rotor blade a method for producing a rotor blade and a wind turbine.
The present invention relates to a method for granulating an azo compound, comprising the following steps: a) a step of granulating by agitating an aqueous suspension of said azo compound, in the presence of an organic binder; b) an optional step of recovering the granules obtained in step a), preferably by filtration; and c) an optional step of drying the granules recovered in step b). The invention also relates to the granules obtainable using said method, and to the uses thereof.
C07C 255/65 - Nitriles d'acides carboxyliques contenant des groupes cyano et des atomes d'azote liés de plus à d'autres hétéro-atomes, autres que les atomes d'oxygène de groupes nitro ou nitroso, liés au même squelette carboné avec les atomes d'azote liés de plus à des atomes d'azote
C07C 281/20 - Dérivés d'acide carbonique contenant des groupes fonctionnels couverts par les groupes , dans lesquels au moins un atome d'azote de ces groupes fonctionnels est lié de plus à un autre atome d'azote ne faisant pas partie d'un groupe nitro ou nitroso les deux atomes d'azote des groupes fonctionnels étant liés entre eux par une liaison double, p.ex. azoformamide
The invention relates to a method for recycling a used polyamide composition to form a recycled polyamide powder that has a unimodal melting endotherm and a single melting point (Tf1max), the method comprising the steps of: i.e. bringing a used polyamide composition into contact with a solvent in order to obtain a mixture; ii. heating the mixture to solubilise the polyamide in the solvent; iii. cooling the mixture to the precipitation temperature (Tp) of the polyamide in the solvent, whereby a precipitated polyamide powder characterised by a non-unimodal melting endotherm and more than one melting point is obtained, (Tf1max) being the highest melting point; and maintaining the temperature of the mixture at a temperature at most equal to Tp, in particular within the range from Tp -0.1°C to Tp -15°C, until the precipitated polyamide powder is characterised by a unimodal melting endotherm and one melting point (Tf1max); and recovering the obtained recycled polyamide powder.
The present invention relates to an organic resin, in particular acrylic, vinyl or acrylic-vinyl, of low molecular weight and functionalized with carboxyl and carbonyl groups, and also to an aqueous dispersion comprising said organic resin and a crosslinking agent, for the preparation of a one-component crosslinkable coating composition with a high level of performance.
A composite article including at least one electronic system, integrated onto the surface or in the volume of a thermoplastic matrix. The electronic system includes at least one piezoelectric transducer and means for transmitting an electrical signal. The piezoelectric transducer includes a piezoelectric polymer essentially consisting of, or consisting of, repeating units derived from vinylidene fluoride (VDF) and vinylidene trifluoride (TrFE), the molar proportion of the unit derived from TrFE being from 15% to 50% relative to the total number of moles of the units derived from VDF and TrFE. Also, the use of the electronic system and to the use of the article.
C08L 33/12 - Homopolymères ou copolymères du méthacrylate de méthyle
B06B 1/06 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique fonctionnant par effet piézo-électrique ou par électrostriction
H10N 30/00 - Dispositifs piézo-électriques ou électrostrictifs
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE BORDEAUX (France)
INSTITUT POLYTECHNIQUE DE BORDEAUX (France)
UNIVERSITE GRENOBLE ALPES (France)
Inventeur(s)
Chevalier, Xavier
Sérégé, Matthieu
Gomes Correia, Cindy
Zelsmann, Marc
Fleury, Guillaume
Abrégé
The invention relates to a method of directional self-assembly lithography, said method comprising a step of depositing a block copolymer film on a layer (20) neutral with respect the block copolymer, said block copolymer film being for use as a lithography mask, said method being characterized in that it comprises the following steps of:
depositing said neutral layer (20) on a surface of a substrate (10), said neutral layer (20) being of the carbon or fluoro-carbon type deposited to a thickness greater than 1.5 times the thickness of the block copolymer film (40),
crosslinking said neutral layer,
depositing said block copolymer film, comprising at least one silylated block, on said crosslinked neutral layer (30),
subjecting the stack to an assembly temperature in order to nanostructure said block copolymer,
removing (G1) at least one of the nano-domains (41, 42) from the nanostructured block copolymer film (40), in order to create a pattern intended to be transferred by etching (G2, G3, G4) into the thickness of the substrate (10).
G03F 7/00 - Production par voie photomécanique, p.ex. photolithographique, de surfaces texturées, p.ex. surfaces imprimées; Matériaux à cet effet, p.ex. comportant des photoréserves; Appareillages spécialement adaptés à cet effet
The invention relates to detergent formulations comprising at least one secondary alcohol alkoxylate, and to the use of said at least one secondary alcohol alkoxylate as a surfactant having an improved hydrotropic power.
The present invention relates to the production of (meth)acrylic acid by means of a method based on the use of two distillation columns (a dehydration column and a finishing column) in the absence of an external organic solvent. The invention relates more particularly to the implementation of thermal cracking preceded by evaporation, hydrolysis of the bottom of the finishing column followed by recycling of the gaseous phase of the cracker at the bottom of the dehydration column, and utilization of the cracking residue by way of hydrothermal gasification. The method according to the invention makes it possible to improve the energy balance of the process while at the same time improving its material balance.
C01B 3/32 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par réaction de composés organiques gazeux ou liquides avec des agents gazéifiants, p.ex. de l'eau, du gaz carbonique, de l'air
25.
MOULDING COMPOSITIONS BASED ON POLYAMIDE, GLASS FIBRES AND HOLLOW GLASS REINFORCEMENT AND USE THEREOF
The present invention relates to a molding composition, comprising by weight:
(A) 38 to 87% of at least one semi-crystalline aliphatic polyamide,
(B) 3 to 25% of a hollow glass reinforcement,
(C) 5% to 30% glass fibers,
(D) 5 to 15% of at least one impact modifier chosen from a polyolefin, a polyether block amide (PEBA-1) and a mixture thereof, the polyolefin and the PEBA-1 having a flexural modulus less than 200 MPa, in particular less than 100 MPa, as measured according to standard ISO 178:2010, at 23° C.,
(E) 0 to 2% by weight of at least one additive,
the sum of the proportions of each constituent of said composition being equal to 100%,
the density of the composition being less than 1.12 g/cm3.
C08L 77/02 - Polyamides dérivés des acides oméga-aminocarboxyliques ou de leurs lactames
C08G 69/08 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques
C08G 69/40 - Polyamides contenant de l'oxygène sous forme de groupes éther
The invention is targeted mainly at a polymer powder suitable for 3D printing by sintering, comprising:
(a) a polymer composition comprising at least one thermoplastic elastomer;
(b) a pigment composition comprising at least one pigment exhibiting an absorbance of the light with a wavelength of 1000 nm, as measured according to the standard ASTM E1790, of less than 50%; and also, if appropriate,
(c) one or more fillers or reinforcements; and
(d) one or more additional additives.
The invention is targeted mainly at a polymer powder suitable for 3D printing by sintering, comprising:
(a) a polymer composition comprising at least one thermoplastic elastomer;
(b) a pigment composition comprising at least one pigment exhibiting an absorbance of the light with a wavelength of 1000 nm, as measured according to the standard ASTM E1790, of less than 50%; and also, if appropriate,
(c) one or more fillers or reinforcements; and
(d) one or more additional additives.
The invention is also targeted at a process for the preparation of said powder and also at the use of said powder for 3D printing by sintering. Finally, it is targeted at the use of a pigment exhibiting an absorbance of the light with a wavelength of 1000 nm, as measured according to the standard ASTM E1790, of less than 50% to improve the definition and/or the mechanical properties of the articles printed by a process of 3D printing by sintering of a thermoplastic elastomer powder.
G03F 7/00 - Production par voie photomécanique, p.ex. photolithographique, de surfaces texturées, p.ex. surfaces imprimées; Matériaux à cet effet, p.ex. comportant des photoréserves; Appareillages spécialement adaptés à cet effet
B29C 33/42 - Moules ou noyaux; Leurs détails ou accessoires caractérisés par la forme de la surface de moulage, p.ex. par des nervures ou des rainures
B29C 33/62 - Agents de démoulage, de lubrification ou de séparation à base de polymères ou d'oligomères
C08F 120/26 - Esters contenant de l'oxygène en plus de l'oxygène de la fonction carboxyle
C08F 130/02 - Homopolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et contenant du phosphore, du sélénium, du tellure ou un métal contenant du phosphore
C08F 220/28 - Esters contenant de l'oxygène en plus de l'oxygène de la fonction carboxyle ne contenant pas de cycles aromatiques dans la partie alcool
C08F 230/02 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et contenant du phosphore, du sélénium, du tellure ou un métal contenant du phosphore
28.
POLYAMIDE COMPOSITION PREPARED FROM A POWDER OF POLYAMIDES TO BE RECYCLED
The application relates to a method for preparing a polyamide composition, which comprises the steps of: a) providing a mixture comprising a virgin polyamide vPA and a polyamide to be recycled rPA in the form of an untransformed powder resulting from additive manufacturing by sintering or from a coating method by powdering or by electrostatic spraying, or powder obtained by grinding a polyamide-based part of an object to be recycled; b) kneading the mixture in the molten state, as a result of which a polyamide composition is obtained; and c) recovering the polyamide composition. The invention also relates to the polyamide composition obtained and to the uses thereof for preparing articles by extrusion, injection or overmoulding.
C08J 11/06 - Récupération ou traitement des résidus des polymères sans réaction chimique
C08L 77/02 - Polyamides dérivés des acides oméga-aminocarboxyliques ou de leurs lactames
B05B 14/10 - Aménagements pour collecter, réutiliser ou éliminer le matériau de pulvérisation excédentaire le matériau excédentaire étant sous forme de particules
C08G 69/08 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques
C08L 77/00 - Compositions contenant des polyamides obtenus par des réactions créant une liaison amide carboxylique dans la chaîne principale; Compositions contenant des dérivés de tels polymères
The invention relates to a top-of-line corrosion inhibitor composition comprising: at least one amine having a Henry's solubility constant that is strictly less than 20 mol.m-3.Pa-1, preferably less than 10 mol.m-3.Pa-1and more particularly less than or equal to 5 mol.m-3.Pa-1, even more preferably less than or equal to 1 mol.m-3.Pa-1, at least one compound having both a Henry's solubility constant that is strictly greater than 20 mol.m-3.Pa-1, preferably greater than or equal to 30 mol.m-3.Pa-1, and more particularly greater than or equal to 50 mol.m-3.Pa-1, even more preferably greater than or equal to 100 mol.m-3.Pa-1, preferentially greater than or equal to 500 mol.m-3.Pa-1, even more advantageously greater than or equal to 1000 mol.m-3.Pa-1, and a pKa strictly greater than 7, preferably greater than or equal to 7.5, and more particularly greater than 8, and at least one sulfur-containing compound, and the composition having a flash point greater than or equal to 60°C, preferably strictly greater than 60°C, and even more preferably greater than or equal to 70°C.
The present invention relates to a composition comprising at least one organic peroxide selected from the group consisting of dialkyl peroxides, peroxyketals or a mixture thereof and at least one unsaturated organic peroxide. The invention also relates to the use of such a composition for preventing the scorching of at least one crosslinkable composition. The present invention also relates to a method for crosslinking at least one crosslinkable composition comprising at least one crosslinkable polymer. The invention further relates to an article, in particular a moulded article or an extruded article, which can be obtained from the crosslinking method.
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.
Sheets having thicknesses of from 1000 to 10,000 microns which are useful for the production of thermoformed semi-crystalline articles are based on polyaryletherketones having viscosities at 360° C. of at least about 400 Pas at 100 s−1 as measured by parallel plate rheometer. The polyaryletherketones are in a pseudo-amorphous state in the thermoformable sheets.
B29C 51/00 - Façonnage par thermoformage, p.ex. façonnage de feuilles dans des moules en deux parties ou par emboutissage profond; Appareils à cet effet
B29C 51/08 - Emboutissage profond ou façonnage dans des moules en deux parties, c. à d. en utilisant uniquement des moyens mécaniques
33.
FUNCTIONALIZED HALOGENATED POLYMER AND METHOD FOR PREPARING SAME
The present invention relates to a method for preparing a functionalized halogenated polymer, comprising the steps of: a) providing a halogenated polymer A1 comprising monomer units M1 comprising at least one halogen atom, preferably fluorine atom, and monomer units M2 comprising at least one carbon-carbon double bond –C(R1)=C(R2)-; b) bringing said halogenated polymer A1 into contact with a thiolate compound B of formula R-S- in the presence of a peroxide compound C to form a polymer A2 comprising monomer units M3 of formula –CH(R1)-C(R2)(SR)- and said monomer units M1 comprising at least one halogen atom, preferably fluorine atom; R1and R215155 haloalkyl, F, Br, I and Cl; R being an optionally functionalized hydrocarbon substituent.
The present invention relates to an electrical apparatus (1) comprising a winding (7), at least one composition comprising at least one dielectric fluid, preferably a dielectric liquid, and at least one material in gelled form (12), arranged inside the cavity (5) of a housing (3), and wherein the ratio between the maximum volume occupied by the material in gelled form (12) and the total volume of the cavity (5) is less than 50%. The invention also relates to the use of a material (12) in gelled form for preventing and/or minimising leaks of a composition (9) comprising at least one dielectric fluid within an electrical apparatus (1), in particular a transformer or a capacitor.
H01B 3/30 - Isolateurs ou corps isolants caractérisés par le matériau isolant; Emploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires
H01B 3/20 - Isolateurs ou corps isolants caractérisés par le matériau isolant; Emploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques liquides, p.ex. huiles
H01F 27/32 - Isolation des bobines, des enroulements, ou de leurs éléments
A polyamide powder for use in a process of powder agglomeration by sintering, including at least one chain limiting agent. A process for preparing a powder including at least one chain limiting agent, wherein the chain limiter is mixed with the polyamide powder, and if need be at least one thioether antioxidant, by dry blending.
B29C 64/153 - Procédés de fabrication additive n’utilisant que des matériaux solides utilisant des couches de poudre avec jonction sélective, p.ex. par frittage ou fusion laser sélectif
C08G 69/08 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
36.
METHOD FOR PREPARING AN AMINOSUCCINIC RESIN WITH A LOW AMINE VALUE
The present invention relates to a method for preparing an aminosuccinic resin, and to the aminosuccinic resin obtainable by this method, which has an amine value of less than 190 mg KOH/g. The invention also relates to the use of said aminosuccinic resin for producing two-component binders containing at least one polyisocyanate.
C08G 18/79 - Polyisocyanates ou polyisothiocyanates contenant des hétéro-atomes autres que l'azote, l'oxygène ou le soufre de l'isocyanate ou de l'isothiocyanate de l'azote caractérisés par le polyisocyanate utilisé, celui-ci contenant des groupes formés par oligomérisation d'isocyanates ou d'isothiocyanates
C08G 63/52 - Acides polycarboxyliques ou composés polyhydroxylés dans lesquels au moins un des deux composants contient une insaturation aliphatique
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
C09D 179/00 - Compositions de revêtement à base de composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement de l'azote, avec ou sans oxygène ou carbone, non prévues dans les groupes
A method for preparing composite parts, including a step of depositing at least one band of fibrous material impregnated with a thermoplastic polymer on a substrate, by means of a main heating system selected from the following two systems: a preheating system (1) and a heating system (2), in combination with at least one secondary heating system selected from: a heating system (3), a post-heating system (4), a heating system (5), and a preheating system (6), or by means of the two main heating systems (1) and (2), the substrate being previously devoid of any deposited band or comprising at least one band n−1 of said fibrous material, the thermoplastic polymer being amorphous, with a Tg such that Tg≥80° C., or semicrystalline, with a Tm≥150° C.
B29C 70/38 - Empilage automatisé, p.ex. utilisant des robots, par application de filaments selon des modèles prédéterminés
B29C 70/32 - Façonnage par empilage, c.à d. application de fibres, de bandes ou de feuilles larges sur un moule, un gabarit ou un noyau; Façonnage par pistolage, c.à d. pulvérisation de fibres sur un moule, un gabarit ou un noyau sur un moule, un gabarit ou un noyau rotatifs
B29C 70/54 - Façonnage de matières composites, c. à d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p.ex. des inserts comprenant uniquement des renforcements, p.ex. matières plastiques auto-renforçantes opération de façonnage des matières composites comprenant uniquement des renforcements - Parties constitutives, détails ou accessoires; Opérations auxiliaires
38.
METHOD AND INSTALLATION FOR THE PRODUCTION OF A MONOMER BY DEPOLYMERIZATION OF THE CORRESPONDING POLYMER
The production method comprises the steps of: • - pyrolyzing the feed material in a pyrolysis reactor (4) so as to generate a gas stream, the feed material travelling from an inlet of the pyrolysis reactor (4) to an outlet of the pyrolysis reactor (4) with being subjected to heat such as to generate the gas stream at the outlet of the pyrolysis reactor (4); and • - condensing the monomer contained in the gas stream in a condenser (6) such as to obtain liquid monomer; the production method further comprising feeding the pyrolysis reactor (4) with solid and/or liquid impurities separated from the gas stream generated in the depolymerization installation (2) and/or a gas stream generated in another depolymerization installation and/or with a syrup containing the polymer and/or the monomer and/or oligomers of the monomer.
C07C 67/333 - Préparation d'esters d'acides carboxyliques par modification de la partie acide de l'ester sans introduction d'un groupe ester par modification de la taille du squelette carboné
C07C 67/54 - Séparation; Purification; Stabilisation; Emploi d'additifs par modification de l'état physique, p.ex. par cristallisation par distillation
Process for producing aminocarboxylic acid of formula (I): NH3—CH2—(CH2)n—COOH (I) including: (i) reacting the unsaturated carboxylic acid of formula (II): CH═CH—(CH2)n-1—COOH (II) with hydrogen bromide to form the ω-bromoalkanoic acid of formula (iii): Br—CH2—(CH2)n—COOH (III); (ii) reacting the w-bromoalkanoic acid obtained with ammonia in aqueous solution to form a reaction mixture; (iii) separating the reaction mixture of the aminocarboxylic acid of formula (I) and an aqueous solution rich in ammonium bromide; (iv) bringing the aqueous solution rich in ammonium bromide into contact with sodium hydroxide to form ammonia and an aqueous solution rich in sodium bromide; (v) purifying the aqueous solution rich in sodium bromide; (vi) bringing the purified aqueous solution rich in sodium bromide into contact with chlorine to form bromine and an aqueous solution rich in sodium chloride; (vii) reacting the bromine with hydrogen to form hydrogen bromide; and (viii) recycling the hydrogen bromide to step (i).
C07C 227/08 - Formation de groupes amino dans des composés contenant des groupes carboxyle par des réactions d'addition ou de substitution, sans augmentation du nombre d'atomes de carbone dans le squelette carboné de l'acide par réaction d'ammoniac ou d'amines avec des acides contenant des groupes fonctionnels
The invention relates to a powder based on at least one polyether ketone ketone homopolymer or copolymer essentially consisting of, or consisting of, an isophthalic repeating unit and, in the case of the copolymer, a terephthalic repeating unit (T), the isophthalic repeating unit representing at least 85% by weight relative to the total weight of said at least one polyether ketone ketone.
C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
A composition including: (A) a copolymer having rigid blocks and flexible blocks (TPE), (B) a non-crosslinked polysiloxane silicone, preferably a non-crosslinked polyorganosiloxane, (C) a compatibilizer, improving the compatibility between the TPE and the silicone, the compatibilizer (C) being chosen from a polyolefin or a mixture of polyolefins, and optionally (D) an additive.
C08L 87/00 - Compositions contenant des composés macromoléculaires non spécifiés, obtenus autrement que par des réactions de polymérisation ne faisant intervenir que des liaisons non saturées carbone-carbone
C08J 3/20 - Formation de mélanges de polymères avec des additifs, p.ex. coloration
The present invention relates to copolymer obtained by polymerizing a monomer mixture comprising: (a) at least one monomer selected from the group consisting of 2-octyl (meth)acrylate, 2-methylbutyl acrylate and 3-methylbutyl acrylate; (b) isobornyl (meth)acrylate; (c) optionally at least one carboxyl-functional ethylenically unsaturated monomer; and (d) optionally at least one ethylenically unsaturated monomer other than (a), (b) and (c). A composition comprising the copolymer and its uses in adhesives and coatings are also provided.
C08F 2/48 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C08F 265/06 - Polymérisation d'esters acryliques ou méthacryliques sur des polymères de ces esters
C09J 4/06 - Adhésifs à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable en combinaison avec un composé macromoléculaire autre qu'un polymère non saturé des groupes
43.
VINYLIDENE FLUORIDE EMULSION POLYMERIZATION USING POLY(VINYL ALCOHOL) AS ONLY STABILIZER
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE CLAUDE BERNARD LYON 1 (France)
ECOLE SUPERIEURE DE CHIMIE, PHYSIQUE, ELECTRONIQUE DE LYON - CPE LYON (France)
Inventeur(s)
Eid, Nadim
Devisme, Samuel
Bonnet, Anthony
Fevrier, Thibaut
Lansalot, Muriel
D'Agosto, Franck
Abrégé
The present invention relates to a process for producing a stable PVDF latex by emulsion polymerization in the absence of fluorinated surfactant, said latex being stabilized by poly(vinyl alcohol) (PVOH).
C08F 261/06 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères de monomères contenant de l'oxygène tels que définis dans le groupe sur des polymères d'éthers non saturés
C08L 27/16 - Homopolymères ou copolymères du fluorure de vinylidène
C09D 127/16 - Homopolymères ou copolymères du fluorure de vinylidène
C08L 29/04 - Alcool polyvinylique; Homopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
C08F 2/20 - Polymérisation en suspension utilisant des agents de dispersion macromoléculaires
44.
IMPROVED METHOD FOR PRODUCING ALPHA-BETA-UNSATURATED CARBOXYLIC ACIDS FROM POLY(3-HYDROXYALKANOATE)
The present invention relates to a method for producing α-β-unsaturated carboxylic acids by thermolysis of poly(3-hydroxyalkanoate), while limiting clogging associated with the unintentional condensation of hot α-β-unsaturated carboxylic acid vapours generated on walls in the method and with the subsequent formation of solids via a radical polymerisation reaction. The invention is based on the introduction of a radical polymerisation inhibitor into the thermolysis reactor and on the use of specific thermolysis conditions that make this inhibitor partially volatile during the thermolysis of the poly(3-hydroxyalkanoate).
The present invention relates to a method for producing biobased α-β-unsaturated carboxylic acids from poly(3-hydroxyalkanoate) (P3HA) contained in biomass by extraction of the P3HA using a solvent, followed by separation of insoluble organic waste and then thermolysis of the P3HA-solvent mixture in the presence of the solvent. The solvent is selected such that it provides good dissolution of the P3HA and does not boil under the thermolysis conditions.
The present invention relates to a binder composition for positive electrodes comprising a polymer P1 comprising recurring units derived from vinylidene fluoride and a hydrophilic polymer P2 comprising recurring units derived from at least one monomer of formula R1R2C=C(R3)C(O)R (I) wherein R1, R2and R315322311818 alkyl groups optionally substituted by one or more hydroxyl, thiol or amino functional group(s) or a five- to six-membered heterocycle comprising at least one nitrogen atom in the ring; characterized in that the weight average molecular weight of said hydrophilic polymer P2 is greater than 30000 g/mol, advantageously greater than 50000 g/mol, preferably greater than 65000 g/mol, more preferably greater than 80000 g/mol.
H01M 4/131 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif Électrodes pour accumulateurs à électrolyte non aqueux, p.ex. pour accumulateurs au lithium; Leurs procédés de fabrication Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p.ex. LiCoOx
H01M 4/136 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif Électrodes pour accumulateurs à électrolyte non aqueux, p.ex. pour accumulateurs au lithium; Leurs procédés de fabrication Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p.ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/1391 - Procédés de fabrication d'électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p.ex. LiCoOx
H01M 4/1397 - Procédés de fabrication d’électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p.ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p.ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p.ex. phosphates, silicates ou borates
47.
COMPOSITION BASED ON AT LEAST ONE FLUOROPOLYMER AND AT LEAST ONE HYDROPHILIC POLYMER FOR A SEPARATOR COATING OR CATHODE BINDER
The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer M2 of formula R1R2C=C(R3)C(O)R where the substituents R1, R2and R3322311818 alkyl optionally substituted by one or more –OH group(s) or a five-or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that at least 5% of polymer P2 is thoroughly mixed with polymer P1.
C08F 259/08 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères de monomères contenant des halogènes tels que définis dans le groupe sur des polymères contenant du fluor
C09D 151/00 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone; Compositions de revêtement à base de dérivés de tels polymères
48.
POWDER COMPOSITION BASED ON AT LEAST ONE FLUOROPOLYMER AND AT LEAST ONE HYDROPHILIC POLYMER FOR SEPARATOR COATING
The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer M2 of formula R1R2C=C(R3)C(O)R in which the substituents R1, R2and R31522311818 alkyl optionally substituted by one or more –OH group(s) or a five-or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that the difference between the melting temperature and the crystallisation temperature of the composition is greater than or equal to 40°C and in that the composition is in powder form.
C08F 259/08 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères de monomères contenant des halogènes tels que définis dans le groupe sur des polymères contenant du fluor
C09D 151/00 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone; Compositions de revêtement à base de dérivés de tels polymères
49.
POWDER COMPOSITION BASED ON AT LEAST ONE FLUOROPOLYMER AND AT LEAST ONE HYDROPHILIC POLYMER FOR A SEPARATOR COATING
The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and optionally a comonomer M1 compatible with vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer M2 of formula R1R2C=C(R3)C(O)R, in which the substituents R1, R2and R315322311818 alkyl optionally substituted by one or more –OH groups or a five- or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that the crystallisation temperature of the composition is Tc < -3.7496x + 130, where x is the content, by weight, of the comonomer M1 relative to the total weight of the polymer P1, and in that the composition is in powder form.
C08F 259/08 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères de monomères contenant des halogènes tels que définis dans le groupe sur des polymères contenant du fluor
C09D 151/00 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone; Compositions de revêtement à base de dérivés de tels polymères
50.
POWDER COMPOSITION BASED ON AT LEAST ONE FLUOROPOLYMER AND AT LEAST ONE HYDROPHILIC POLYMER FOR A SEPARATOR COATING OR CATHODE BINDER
The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer of formula R1R2C=C(R3)C(O)R where the substituents R1, R2and R315322311818 alkyl optionally substituted by one or more –OH group(s) or a five-or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that at least 5% of polymer P2 is thoroughly mixed with polymer P1, and in that the composition is in powder form.
C08F 259/08 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères de monomères contenant des halogènes tels que définis dans le groupe sur des polymères contenant du fluor
C09D 151/00 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone; Compositions de revêtement à base de dérivés de tels polymères
51.
COMPOSITION BASED ON AT LEAST ONE FLUOROPOLYMER AND AT LEAST ONE HYDROPHILIC POLYMER FOR SEPARATOR COATING
The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer M2 of formula R1R2C=C(R3)C(O)R wherein the substituents R1, R2and R315322311818 alkyl optionally substituted by one or more –OH group(s) or a five-or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that the difference between the melting temperature and the crystallisation temperature of the composition is greater than or equal to 40°C.
C08F 259/08 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères de monomères contenant des halogènes tels que définis dans le groupe sur des polymères contenant du fluor
C09D 151/00 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone; Compositions de revêtement à base de dérivés de tels polymères
52.
COMPOSITION BASED ON AT LEAST ONE FLUOROPOLYMER AND AT LEAST ONE HYDROPHILIC POLYMER FOR A SEPARATOR COATING
The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and optionally a comonomer M1 compatible with vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer M2 of formula R1R2C=C(R3)C(O)R, in which the substituents R1, R2and R31511818 alkyl optionally substituted by one or more –OH groups or a five- or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that the crystallisation temperature of the composition is Tc < -3.7496x + 130, where x is the content, by weight, of the comonomer M1 relative to the total weight of the polymer P1.
C08F 259/08 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères de monomères contenant des halogènes tels que définis dans le groupe sur des polymères contenant du fluor
C09D 151/00 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone; Compositions de revêtement à base de dérivés de tels polymères
53.
LIQUID COMPOSITION FOR APPLICATIONS OF SMC-MOULDED THERMOPLASTIC COMPOSITES
The present disclosure relates to liquid compositions including a (meth)acrylic polymer, a (meth)acrylic monomer, and a maturation agent selected from a metal oxide or a metal hydroxide. The (meth)acrylic polymer can contain a monomer carrying a carboxylic acid function and/or the (meth)acrylic monomer can carrying a carboxylic acid function. The liquid compositions can also contain a dynamic viscosity between 10 mPa·s and 10 000 mPa·s at 25° C.
The invention concerns a composite article, such as a mold part or an extrusion die, made of a composition comprising at least one polyarylether ketone and at least one thermally conductive filler, wherein the composite article has a thermal conductivity of at least 0.5 W/mK. The invention also concerns a composition and uses thereof.
A method of forming an article of manufacture comprises: a) forming a precursor to the article of manufacture using a first material comprising an actinic radiation curable composition comprising at least one cyanoacrylate and optionally at least one filler; b) actinically curing the precursor to form a cured precursor article comprising a cured actinic radiation curable composition; c) optionally forming an intermediate article of manufacture from a second material while using the cured precursor article as at least one of a support, a positive mold, or a negative mold for the second material; and d) heating the cured precursor article to a temperature sufficient to decompose the cured actinic radiation curable composition to form or isolate the article of manufacture. The method is suitable for the use of additive manufacturing in developing dental materials, jewelry, or high strength industrial products.
B28B 1/00 - Fabrication d'objets façonnés à partir du matériau
B33Y 70/10 - Composites de différents types de matériaux, p.ex. mélanges de céramiques et de polymères ou mélanges de métaux et de biomatériaux
C04B 33/13 - Ingrédients entrant dans les compositions
C04B 35/01 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes
C04B 35/057 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxyde de magnésium, d'oxyde de calcium ou de mélanges d'oxydes dérivés de la dolomite à base d'oxyde de calcium
C04B 35/14 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base de silice
C04B 35/46 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates
C04B 35/52 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p.ex. graphite
C04B 35/528 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p.ex. graphite obtenus à partir de particules carbonées avec ou sans autres composants non organiques
C04B 35/56 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbures
C04B 35/565 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbures à base de carbure de silicium
C04B 35/583 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures à base de nitrure de bore
B29C 33/38 - Moules ou noyaux; Leurs détails ou accessoires caractérisés par la matière ou le procédé de fabrication
B29C 35/08 - Chauffage ou durcissement, p.ex. réticulation ou vulcanisation utilisant l'énergie ondulatoire ou un rayonnement corpusculaire
B29C 64/40 - Structures de support des objets en 3D pendant la fabrication, lesdites structures devant être sacrifiées après réalisation de la fabrication
B29K 105/06 - Présentation, forme ou état de la matière moulée contenant des agents de renforcement, charges ou inserts
B29C 64/165 - Procédés de fabrication additive utilisant une combinaison de matériaux solides et liquides, p.ex. une poudre avec liaison sélective par liant liquide, catalyseur, inhibiteur ou absorbeur d’énergie
56.
COMPOSITE THERMOPLASTIC MATERIAL FOR COMPOSITE TUBULAR STRUCTURES
The invention relates to a composition comprising at least one fluoropolymer and at least one high-density filler. The invention also relates to a thermoplastic composite tubular structure which comprises at least one external layer consisting of said composition. The invention also relates to the process for the manufacture of said composition, and also to its applications as external layer for weighing down thermoplastic composite pipes transporting fluids in the context of oil and gas exploration and exploitation.
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/20 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des charges, des pigments, des agents thixotropiques
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
57.
PRESSURE SENSITIVE ADHESIVES FOR HIGH TEMPERATURE APPLICATIONS
Pressure sensitive adhesives having high shear failure temperatures are made by reacting a curable pressure sensitive adhesive composition comprising: a. a pre-polymer having a structure according to Formula (I) R1—[Polymer]—R2. wherein the [Polymer] is a linear or branched polymer backbone derived from the reaction of farnesene and at least one other monomer: and R1 is a (C1-C12) alkyl group or R2. and R2 comprises a (meth)acrylate group having a structure according to Formula (II), wherein Z is selected from the group consisting of hydrogen and methyl: b. at least one functional (meth)acry late monomer: and c. at least one photo-initiator.
Pressure sensitive adhesives having high shear failure temperatures are made by reacting a curable pressure sensitive adhesive composition comprising: a. a pre-polymer having a structure according to Formula (I) R1—[Polymer]—R2. wherein the [Polymer] is a linear or branched polymer backbone derived from the reaction of farnesene and at least one other monomer: and R1 is a (C1-C12) alkyl group or R2. and R2 comprises a (meth)acrylate group having a structure according to Formula (II), wherein Z is selected from the group consisting of hydrogen and methyl: b. at least one functional (meth)acry late monomer: and c. at least one photo-initiator.
C09J 151/08 - Adhésifs à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone; Adhésifs à base de dérivés de tels polymères greffés sur des composés macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
The invention relates to a composition comprising a mixture of C3-C22 alcohol alkoxylates which have a narrow weight distribution and are capped in the terminal portion by a group chosen from linear or branched alkyls comprising between 1 and 6 carbon atoms, the phenyl group, benzyl group and hydrocarbon groups having a carboxy function —COO—, and groups having a sugar unit. The invention also relates to the method for preparing said composition and to the uses thereof as a surfactant, in particular as a surfactant with low foaming power.
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.
C08G 18/10 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle
C08G 18/18 - Catalyseurs contenant des amines secondaires ou tertiaires ou leurs sels
The invention relates to a method for the production of a monomer from a feed material containing a polymer of which the monomer is a constituent, the production method comprising the steps of: - depolymerizing the feed material to obtain a monomer solution containing the monomer and impurities; and - purifying the monomer solution thereby obtaining a purified monomer solution having a content of impurities lower than the content of impurities of the monomer solution, wherein the purification step comprises at least one crystallization step each crystallization step comprising the steps of: a) cooling of the monomer solution such that the monomer solution forms monomer crystals and a mother liquor, b) separating the monomer crystals from the mother liquor, and c) melting the monomer crystals thereby obtaining an enriched monomer solution.
Impregnation of a fibrous material made from continuous fibres with a thermoplastic polymer matrix, the fibrous material comprising a thermoplastic sizing polymer and, before impregnation, an initial width. The method comprises an expansion step which is carried out by means of at least two tensioning members (E) and a heating system SC for heating the tensioning members and/or the fibrous material, the expansion being from 1.5 to 5 times the initial width. The expanded fibrous material is cooled below the Tg of the thermoplastic sizing polymer by means of a cooling system before being brought into contact with the thermoplastic polymer matrix.
B29C 70/16 - Façonnage de matières composites, c. à d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p.ex. des inserts comprenant uniquement des renforcements, p.ex. matières plastiques auto-renforçantes des renforcements fibreux uniquement caractérisées par la structure des renforcements fibreux utilisant des fibres de grande longueur, ou des fibres continues
B29C 70/38 - Empilage automatisé, p.ex. utilisant des robots, par application de filaments selon des modèles prédéterminés
B29C 70/56 - Tensionnage des renforcements avant ou pendant le façonnage
B29C 35/02 - Chauffage ou durcissement, p.ex. réticulation ou vulcanisation
The invention relates to the use of a powder comprising at least one polyamide and at least one epoxy resin for producing an electrically insulating coating on a surface. The invention also relates to an electricity transmitting component at least partially covered with a coating that can be obtained by melting such a powder.
C08G 69/10 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques d'acides alpha-aminocarboxyliques
Disclosed are high refractive index monomers for ceramic/metal 3D printing applications. The compositions disclosed herein have a higher refractive index and thus better resolution and lower scattering of the light when employed in a composition to deposit ceramic or metallic particles. The disclosed compositions also include low refractive cross-linkers selected for their good thermal decomposition and reactivity to provide good cohesion during the 3D printing.
C08F 220/30 - Esters contenant de l'oxygène en plus de l'oxygène de la fonction carboxyle contenant des cycles aromatiques dans la partie alcool
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
The present invention relates to packaging for at least 100 kg of powder of an ionic compound containing one fluorine atom, in particular LiFSl, the packaging comprising a flexible wall provided with an opening of at least 80 cm² and having a thickness of at most 500 µm and a water vapour transmission rate, at 25°C and 90% relative humidity, of at most 0.05 g/m²/24 h. It also relates to a package for storing and transporting such an ionic compound, comprising this packaging and an outer container comprising a flexible wall; a mixing device for mixing the contents of the packaging; the use of the packaging for transporting at least 100 kg of powder of an ionic compound containing one fluorine atom; and a method for loading or unloading at least 100 kg of powder of such an ionic compound.
B01F 31/55 - Mélangeurs avec mécanismes à secousses, oscillants ou vibrants les matières à mélanger étant contenues dans un sac souple soumis à une déformation périodique
65.
METHOD FOR DRYING METHYL MERCAPTAN BY MEANS OF AZEOTROPIC DISTILLATION
The present invention relates to a process for drying methyl mercaptan, notably by azeotropic distillation, comprising the following steps:
1) a stream (A) comprising methyl mercaptan and water is introduced into a distillation column (1);
2) said stream (A) is distilled in said column (1);
3) the distillate (B) is recovered in gaseous form, 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 liquid form;
5) said condensate (C) is separated, preferably using a decanter (3), so as to obtain two separate liquid phases:
an aqueous phase (D); and
an organic phase (E) comprising methyl mercaptan;
6) all or part of the organic phase (E) is optionally introduced into the distillation column (1) as reflux; and
7) a stream (F) comprising the dried methyl mercaptan is recovered, preferably at the bottom of column (1).
The present invention relates to a process for drying methyl mercaptan, notably by azeotropic distillation, comprising the following steps:
1) a stream (A) comprising methyl mercaptan and water is introduced into a distillation column (1);
2) said stream (A) is distilled in said column (1);
3) the distillate (B) is recovered in gaseous form, 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 liquid form;
5) said condensate (C) is separated, preferably using a decanter (3), so as to obtain two separate liquid phases:
an aqueous phase (D); and
an organic phase (E) comprising methyl mercaptan;
6) all or part of the organic phase (E) is optionally introduced into the distillation column (1) as reflux; and
7) a stream (F) comprising the dried methyl mercaptan is recovered, preferably at the bottom of column (1).
The present invention also relates to processes for producing methyl mercaptan comprising said drying process.
C07C 319/08 - Préparation de thiols, de sulfures, d'hydropolysulfures ou de polysulfures de thiols par remplacement de groupes hydroxy ou de groupes hydroxy éthérifiés ou estérifiés
The invention relates to a method for separation of a polymeric article comprising at least one thermoplastic polymer, and at least one other constituent, wherein said separation method comprises: —a step of contacting the polymeric article with a liquid medium suitable for propagating shock waves, and —a step of applying a pulsed field to the liquid medium, so as to generate shock waves capable of dividing the polymeric article at an interface between the thermoplastic polymer and the other constituent.
The present invention relates to a process for the suspension polymerization of alkoxyamines with styrenic and (meth)acrylic monomers, to the beads and compositions thus obtained, and also to the use of these beads and compositions.
C08F 293/00 - Composés macromoléculaires obtenus par polymérisation sur une macromolécule contenant des groupes capables d'amorcer la formation de nouvelles chaînes polymères rattachées exclusivement à une ou aux deux extrémités de la macromolécule de départ
68.
METHOD FOR PREPARING A COMPOSITION IN POWDER FORM COMPRISING AT LEAST ONE SOLID ORGANIC PEROXIDE
The present invention deals with a method for producing a powdered composition comprising at least one solid organic peroxide displaying the assets of having a reduced water-content and being easily flowable. The invention also pertains to a powdered composition which is obtainable from the method as defined herein. The instant invention further relates to the use of said powdered composition as polymerization initiator for acrylic resins or unsaturated polyester resins, preferably acrylic resins, or as a polymer modifier, for example as a polymer crosslinking agent, grafting agent or rheology modifier, preferably as a polymerization initiator for acrylic resins or unsaturated polyester resins. The invention still further relates to the use of said powdered composition for road marking, chemical anchoring, water proofing and floor coating applications, preferably road marking.
C08K 3/013 - Charges, pigments ou agents de renforcement
C08F 4/34 - Percomposés avec un seul radical peroxyde
E01F 9/506 - Marquages à la surface des routes; Bordures de trottoirs ou bords de routes, spécialement adaptés pour avertir les usagers de la route caractérisés par le matériau de marquage de la surface des routes, p.ex. comprenant des additifs pour améliorer la friction ou le pouvoir réfléchissant; Procédés pour former, installer ou appliquer des marquages dans, sur ou à la surface des routes
C09K 17/40 - Substances pour conditionner ou stabiliser les sols contenant des mélanges de composés inorganiques et organiques
69.
METHOD FOR MANUFACTURING AN ARTICLE BY MATERIAL ADDITIVE EXTRUSION PRINTING USING A RHEOLOGY MODIFIER
A method of manufacturing an article by material additive extrusion printing, comprising: • - providing a thermoplastic polymer composition to a print head; and • - depositing the thermoplastic polymer composition from the print head onto a print bed to form the article; wherein: • - the thermoplastic polymer composition comprises one or more thermoplastic polymers; • - the thermoplastic polymer(s) comprise(s) at least one semi- crystalline thermoplastic polymer, the proportion of the semi- crystalline thermoplastic polymer(s) among the thermoplastic polymer(s) being at least 50 wt. %; • - the thermoplastic polymer composition comprises a rheology modifier; • - the thermoplastic polymer composition has a glass transition temperature Tg; and • - the print bed and article being printed are in a build chamber, which is at a temperature greater than Tg - 10°C.
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p.ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p.ex. modélisation par dépôt de fil en fusion [FDM]
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
02 - Couleurs, vernis, laques
Produits et services
Unprocessed acrylic resins; chemical additives for inks;
chemical additives for paints; anti-flow agents, chemical
additives for preventing sedimentation, in the industrial
field; catalysts; chemical products for industry; chemical
condensation products; chemicals for preparing colors,
chemicals for preparing pigments, chemicals for preparing
dyes or paints; dispersions of plastic materials; aqueous
dispersions of synthetic resins; emulsifiers; unprocessed
epoxy resins; flocculants; unprocessed plastic materials;
plastisols; unprocessed synthetic resins. Coatings (paints); wood stains; coatings for cardboard
(paints); protective coatings for vehicle chassis;
colorants; thinners for colorants, pigments, dyes or paints;
thickeners for colors, pigments, dyes or paints; binding
agents for colors, pigments, dyes or paints; diluting
products for lacquers and paints; printing inks; inks
(toners) for photocopying apparatus and machines; fixatives
[varnishes]; engraving inks; printers' pastes [ink];
lacquers; paints; pigments; varnishes.
71.
COMPOSITION COMPRISING AT LEAST ONE SOLID ORGANIC PEROXIDE
The present invention relates to a composition comprising at least one solid organic peroxide, at least one polyol having a melting temperature lower than 40°C, preferably lower than 30°C, even more preferably lower than 20°C, at least one dispersing agent and at least one thickening agent. The invention also relates to the use of the composition as defined above as a polymerization initiator, as a polymer modifier, or as a bleaching agent. The present invention also relates to a method for preparing such a composition.
The present invention relates to a method for purifying an aqueous hydrogen peroxide solution, comprising at least one treatment on a reverse osmosis membrane and at least one electrodeionisation treatment. The invention also relates to a method for preparing an aqueous hydrogen peroxide solution, comprising at least one step of synthesising an aqueous hydrogen peroxide solution, at least one treatment on a reverse osmosis membrane, and at least one electrodeionisation treatment of the solution. The invention also relates to an aqueous hydrogen peroxide solution obtainable by the purification method or the preparation method as defined above.
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.
The present invention concerns a method for sulfhydrolysis from dialkyl sulfides and hydrogen sulfide, in the presence of a specific catalyst based on titanium dioxide and/or zirconium dioxide, as well as the corresponding use of such a catalyst. The present invention also concerns a method for preparing mercaptans, in particular methyl mercaptan, from at least one alcohol and hydrogen sulfide, comprising said sulfhydrolysis method.
C07C 319/06 - Préparation de thiols, de sulfures, d'hydropolysulfures ou de polysulfures de thiols à partir de sulfures, d'hydropolysulfures ou de polysulfures
The invention relates to a composition comprising a salt composed of a sodium cation and of an anion of formula (II): [Chem 8] in which R1and R2 independently represent a fluorine atom or a perfluorinated group, the composition having a content of sulfamate ions of from 0.1 to 3000 ppm by weight. The invention also relates to a process for preparing this composition, and to an electrolyte comprising the composition.
C01B 21/093 - Composés contenant de l'azote et des non-métaux contenant un ou plusieurs atomes d'hydrogène contenant en outre un ou plusieurs atomes de soufre
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium
H01M 10/0568 - Matériaux liquides caracterisés par les solutés
76.
SALT COMPOSITION FOR LOW-ACETAMIDE-CONTENT ELECTROLYTE
The invention relates to a composition comprising a salt composed of a sodium cation and an anion of formula (II) [Chem 7] wherein R 1and R 2independently represent a fluorine atom or a perfluorinated group, the composition having an acetamide content of 0.1-1000 ppm by weight. The invention also relates to a method for producing the composition, and to an electrolyte containing same.
C01B 21/093 - Composés contenant de l'azote et des non-métaux contenant un ou plusieurs atomes d'hydrogène contenant en outre un ou plusieurs atomes de soufre
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium
H01M 10/0568 - Matériaux liquides caracterisés par les solutés
H01M 4/587 - Matériau carboné, p.ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
A transparent molding composition including, by weight (with a total of 100%): (A) 35 to 84% of a polyamide mixture including: 10 to 95% by weight of at least one semi-crystalline aliphatic polyamide, whose average number of carbon atoms relative to nitrogen atoms is greater than or equal to 8; 90 to 5% by weight of at least one amorphous polyamide; (B) from over 10 to 30% of at least one impact modifier; (C) from 6 to 20% of short glass fibers; (D) 0 to 10% of at least one prepolymer; and (E) 0 to 5% of at least one additive selected from stabilizers, dyes, plasticizers, processing aids or a mixture thereof, the index of refraction of each constituent (A), (B), (C) and (D) being included between 1.500 and 1.540, and wherein said composition has no PEBA and has a dry-measured modulus at 23° C. over 1700 MPa.
C08L 77/06 - Polyamides dérivés des polyamines et des acides polycarboxyliques
C08L 77/02 - Polyamides dérivés des acides oméga-aminocarboxyliques ou de leurs lactames
C08L 53/02 - Compositions contenant des copolymères séquencés possédant au moins une séquence d'un polymère obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carbone; Compositions contenant des dérivés de tels polymères contenant des monomères vinylaromatiques et des diènes conjugués
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.
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
C08L 33/06 - Homopolymères ou copolymères des esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'oxygène, faisant uniquement partie du radical carboxyle
gg monomer units; polymerized chromophore monomer units comprising a chromophore moiety selected from a thioxanthone, an anthraquinone, or a camphorquinone; and optionally polymerized additional monomer units is provided. A cured composition is also provided that is a product of photocuring a composition comprising the acrylic copolymer wherein the cured composition exhibits low yellowing. Also provided is a method of coating a substrate comprising applying a composition including the acrylic copolymer to the substrate and exposing the coating to UV radiation to cure the composition.
C08F 2/48 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C08F 265/06 - Polymérisation d'esters acryliques ou méthacryliques sur des polymères de ces esters
C09D 4/06 - Compositions de revêtement, p.ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable en combinaison avec un composé macromoléculaire autre qu'un polymère non saturé des groupes
ggg monomer units, polymerized chromophore monomer units, and optionally at least one polymerized additional monomer unit. The invention also relates to use of the curable composition as a pressure sensitive adhesive curable composition and methods of coating a substrate.
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C08F 265/06 - Polymérisation d'esters acryliques ou méthacryliques sur des polymères de ces esters
C09D 4/06 - Compositions de revêtement, p.ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable en combinaison avec un composé macromoléculaire autre qu'un polymère non saturé des groupes
C09J 4/06 - Adhésifs à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable en combinaison avec un composé macromoléculaire autre qu'un polymère non saturé des groupes
ggg monomer units, polymerized chromophore monomer units, and optionally at least one polymerized additional monomer unit. The invention also relates to an ultraviolet curable composition comprising the oligomer, and a coating formed from curing the ultraviolet curable composition.
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C08F 265/06 - Polymérisation d'esters acryliques ou méthacryliques sur des polymères de ces esters
C09D 4/06 - Compositions de revêtement, p.ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable en combinaison avec un composé macromoléculaire autre qu'un polymère non saturé des groupes
The invention concerns a cathode composition comprising an intrinsically incorporated catholyte. The invention also concerns a quasi-solid-state Li-ion battery comprising said cathode, an anode and a separator, and a method for manufacturing said Li-ion battery.
H01M 10/0565 - Matériaux polymères, p.ex. du type gel ou du type solide
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p.ex. liants, charges
H01M 4/13 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif Électrodes pour accumulateurs à électrolyte non aqueux, p.ex. pour accumulateurs au lithium; Leurs procédés de fabrication
H01M 50/457 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant au moins trois couches
H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c. à d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
H01M 50/609 - Moyens ou procédés pour le remplissage en liquide, p.ex. avec des électrolytes
83.
METHOD FOR PREPARING METHYL MERCAPTAN WITH TREATMENT OF GASEOUS WASTE
The present invention relates to a process for producing methyl mercaptan, comprising the following steps:
A) methanol is reacted with hydrogen sulfide to form a stream (M), preferably in gaseous form, comprising methyl mercaptan, unreacted H2S and possibly sulfur byproducts;
B) optionally, said stream (M) is condensed;
C) at least one step of purification of said stream (M) is performed to obtain a stream enriched in methyl mercaptan;
D) the gaseous vents resulting from said at least one purification step are recovered, said gaseous vents comprising at least one sulfur compound, preferably H2S;
E) a gas-liquid extraction of said at least one sulfur compound, preferably H2S, is performed with liquid methanol so as to obtain a liquid methanol enriched in sulfur compound(s), preferably in H2S; and
F) optionally, said enriched methanol is used as reagent for the reaction of step A).
C07C 319/08 - Préparation de thiols, de sulfures, d'hydropolysulfures ou de polysulfures de thiols par remplacement de groupes hydroxy ou de groupes hydroxy éthérifiés ou estérifiés
The present invention relates to a method for purifying chlorotrifluoroethylene from a mixture comprising chlorotrifluoroethylene (CTFE) and a hydrofluoroolefin; said method comprising a step (a') of bringing said mixture into contact with a membrane M3 to form a stream F1' comprising chlorotrifluoroethylene and a stream F2' comprising said fluoroolefin, characterised in that said hydrofluoroolefin is selected from the group consisting of 1,1-difluoroethylene, E/Z-1,2-difluoroethylene, tetrafluoroethylene, hexafluoropropene, 2,3,3,3-tetrafluoropropene, E/Z-1,3,3,3-tetrafluoropropene, 1,1,3,3-tetrafluoropropene, E/Z-1,2,3,3-tetrafluoropropène, 1,1,2,3-tetrafluoropropene, 3,3,3-trifluoropropene, 1,3,3-trifluoropropene, 2,3,3-trifluoropropene, 1,1,3-trifluoropropene, 1,2,3- trifluoropropene, 1,1,2-trifluoropropene, 1,2,3,3,3-pentafluoropropene, 1,1,3,3,3- pentafluoropropene, 1,1,2,3,3-pentafluoropropene, 1,1-difluoropropene, E/Z-1,2-difluoropropene, E/Z-1,3-difluoropropene, 2,3-difluoropropene, 3,3-difluoropropene, 1-fluoropropene, 2-fluoropropene, 3-fluoropropene, E/Z-1,1,1,4,4,4-hexafluorobut-2-ene.
B01D 69/02 - Membranes semi-perméables destinées aux procédés ou aux appareils de séparation, caractérisées par leur forme, leur structure ou leurs propriétés; Procédés spécialement adaptés à leur fabrication caractérisées par leurs propriétés
B01D 53/22 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par diffusion
The present invention relates to a method for purifying 1,1,1,2,3,3-hexafluoropropane from a mixture comprising 1,1,1,2,3,3-hexafluoropropane and at least one contaminant selected from the group consisting of hydrogen, nitrogen and oxygen; said method comprising a step (a) of contacting said mixture with a membrane to form a flow comprising said 1,1,1,2,3,3-hexafluoropropane and a flow comprising said at least one contaminant.
B01D 69/02 - Membranes semi-perméables destinées aux procédés ou aux appareils de séparation, caractérisées par leur forme, leur structure ou leurs propriétés; Procédés spécialement adaptés à leur fabrication caractérisées par leurs propriétés
B01D 53/22 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par diffusion
The present invention relates to a non-crosslinked block copolymer foam composition, characterised in that it is in the form of a polymer matrix comprising closed cells containing gas, said matrix comprising:
from 90 to 99.9% by weight of said block copolymer; and
from 0.01 to 10% by weight of metal carbonate,
for the total weight of the foam composition.
The present invention relates to a non-crosslinked block copolymer foam composition, characterised in that it is in the form of a polymer matrix comprising closed cells containing gas, said matrix comprising:
from 90 to 99.9% by weight of said block copolymer; and
from 0.01 to 10% by weight of metal carbonate,
for the total weight of the foam composition.
The present invention also relates to a foamable composition and a method for manufacturing said foam, as well as the use of the foam in sports shoe soles, balloons or balls, gloves, personal protection equipment, rail soles, automobile parts, construction parts, electrical and electronic equipment parts, audio equipment, sound- and/or heat-proofing, and parts used to damp vibrations.
C08J 9/00 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolaires; Leur post-traitement
C08K 3/013 - Charges, pigments ou agents de renforcement
C08J 9/08 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolaires; Leur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent chimique de gonflage dégageant de l'anhydride carbonique
C08J 9/12 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolaires; Leur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage
C08L 87/00 - Compositions contenant des composés macromoléculaires non spécifiés, obtenus autrement que par des réactions de polymérisation ne faisant intervenir que des liaisons non saturées carbone-carbone
The present invention relates to a method for separating a mixture comprising a vinylidene fluoride (VDF) and hexafluoropropene (HFP), said method comprising a step (a) of contacting the mixture with a membrane M1 in order to form a flow F1 comprising the vinylidene fluoride and a flow F2 comprising the hexafluoropropene.
The present invention relates to a compound of formula (1), wherein the variables R, X, l, R 1, R 2, A, n and R 3 are as defined in the description. The invention also relates to the use of the compound of formula (1) as a surfactant.
C07C 233/36 - Amides d'acides carboxyliques ayant des atomes de carbone de groupes carboxamide liés à des atomes d'hydrogène ou à des atomes de carbone acycliques ayant l'atome d'azote d'au moins un des groupes carboxamide lié à un atome de carbone d'un radical hydrocarboné substitué par des groupes amino avec le radical hydrocarboné substitué lié à l'atome d'azote du groupe carboxamide par un atome de carbone acyclique ayant l'atome de carbone du groupe carboxamide lié à un atome d'hydrogène ou à un atome de carbone d'un squelette carboné acyclique saturé
The invention mainly relates to single-material footwear consisting of: (i) 15% to 65% by weight of thermoplastic polymer chosen from polyamides or copolyamides; (ii) 35% to 85% by weight of PEBA thermoplastic elastomer; and (iii) 0 to 15% by weight of additives. The invention also relates to a method for manufacturing same and also for the recycling thereof, and also to the composition obtainable after recycling and the use thereof for the manufacture of footwear.
The invention relates to a pulverulent composition comprising a powder based on at least one polyaryl ether ketone, said composition having at least a first endothermic peak and a second endothermic peak, the first endothermic peak having a peak temperature strictly greater than 280° C., and the second endothermic peak having a peak temperature equal to a value of 200° C. to 280° C.; the endothermic peaks are measured on a thermogram obtained by differential scanning calorimetry, according to the standard ISO 11357-3: 2018, on first heating, using a temperature ramp of 20° C./minute. The invention also relates to a method for the electromagnetic radiation-mediated layer-by-layer sintering construction of a three-dimensional object from the pulverulent composition, to a method for determining the minimum construction temperature to be used, and also to objects that may be manufactured via this construction process.
B33Y 50/02 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
B29C 64/153 - Procédés de fabrication additive n’utilisant que des matériaux solides utilisant des couches de poudre avec jonction sélective, p.ex. par frittage ou fusion laser sélectif
91.
METHOD FOR THE CONTINUOUS PREPARATION OF POLYAMIDE PREPOLYMERS
The present invention relates to a method for continuously preparing a polyamide prepolymer, the viscosity in solution of which is comprised between 0.25 dL/g and 0.70 dL/g, as measured according to ISO 307:2007 in m-cresol at 20° C.,
the method being characterized in that it comprises a step of polycondensation on the basis of one or more polyamide precursor monomers, said polycondensation step being carried out in a extruder comprising at least two co-rotating conveying screws, the at least one monomer being previously added therein in solid or liquid form without being dissolved in a solvent or in water, and said polycondensation step being carried out without extracting the water formed during said polycondensation.
B29B 7/48 - Mélange; Malaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage mobiles rotatifs avec plus d'un arbre à dispositifs à engrènement, p.ex. à vis qui s'engrènent
92.
ALKYD EMULSION HAVING IMPROVED WATER RESISTANCE AND IMPROVED HARDNESS DEVELOPMENT
The present invention relates to an alkyd emulsion comprising an alkyd resin based on a conjugated fatty acid, as well as a reactive surfactant. The invention also covers a method for preparing the alkyd emulsion, and the use thereof in decorative coatings. The coating obtained with this alkyd emulsion has improved performance in terms of water resistance and hardness development.
The present invention relates to a recyclable multilayer structure for transporting, distributing or storing fluids, comprising, from the outside inwards: 1) an outer layer (I) made of polyamide comprising a composition comprising: a) from 41% to 100% by weight of at least one polyamide having a C/N ratio of greater than 7, b) from 0 to 10% by weight of at least one polyamide different from the preceding one having a C/N ratio of less than 10, c) from 0 to 30% by weight of at least one impact modifier, d) from 0 to 5% by weight of at least one additive, e) from 0 to 14% by weight of at least one plasticizer, the sum of the constituents a) + b) + c) +d) + e) being equal to 100% by weight; 2) a barrier layer (II) which is water-soluble at a temperature below or equal to 150°C; 3) an inner layer (III) made of polyamide comprising a composition comprising: a) from 41% to 100% by weight of at least one polyamide having a C/N ratio of greater than 7, b) from 0 to 10% by weight of at least one polyamide different from the preceding one having a C/N ratio of less than 10, c) from 0 to 30% by weight of at least one impact modifier, d) from 0 to 5% by weight of at least one additive, e) from 0 to 14% by weight of at least one plasticizer, the sum of the constituents a) + b) + c) +d) + e) being equal to 100% by weight; and/or (IV) comprising predominantly at least one polyamide of aliphatic type or consisting of more than 75% of aliphatic units.
B32B 25/08 - Produits stratifiés composés essentiellement de caoutchouc naturel ou synthétique comprenant du caoutchouc comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/18 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers
B32B 27/22 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des plastifiants
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
B32B 27/32 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyoléfines
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
94.
ELASTOMER COMPOSITE COMPRISING PARTICLES OF CROSSLINKED RUBBER
The invention mainly relates to a two-layer composite comprising a layer A and a layer B, wherein - layer A comprises at least 30% by weight relative to the weight of layer A of at least one thermoplastic polymer; and - layer B comprises at least 25% by weight relative to the weight of layer B of at least one thermoplastic polymer and 1% to 75% by weight relative to the total weight of layer B of particles of crosslinked rubber. The invention furthermore relates to a method for the manufacture thereof and also the use thereof, the resulting objects, a method for recycling same, the obtainable composition and the use thereof.
C08L 77/00 - Compositions contenant des polyamides obtenus par des réactions créant une liaison amide carboxylique dans la chaîne principale; Compositions contenant des dérivés de tels polymères
C08L 77/06 - Polyamides dérivés des polyamines et des acides polycarboxyliques
The present invention relates to a single-layer or multi-layer tubular structure for transporting a cooling liquid, the tube being intended for fuel cell cooling, comprising at least one internal layer (I) comprising at least one thermoplastic polymer chosen from a polyolefin, a thermoplastic vulcanizate (TPV), a fluorinated polymer, a polyphenylene sulfide (PPS) and a polyphthalamide (PPA), the cooling liquid having a dielectric conductivity of less than 30 µS/cm, as determined after ageing the single-layer or multi-layer tubular structure in contact with the cooling liquid for 168 hours at 80°C.
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 25/08 - Produits stratifiés composés essentiellement de caoutchouc naturel ou synthétique comprenant du caoutchouc comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/28 - Produits stratifiés composés essentiellement de résine synthétique comprenant des copolymères de résines synthétiques non complètement couverts par les sous-groupes suivants
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
B32B 27/32 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyoléfines
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
The present invention relates to a process for treating, in a reactor containing a catalytic bed, a solid catalyst, said process comprising the steps of: a) implementing, in said reactor, a gas-phase catalytic reaction at a catalytic bed temperature T1 in the presence of a hydrogen halide or giving rise to the formation of a hydrogen halide, b) causing an inert gas to flow through the catalytic bed at a catalytic bed temperature T2 that is lower than T1, the temperature T2 being greater than 30° C.
A transparent molding composition, including by weight: (a) from 30 to 90% of at least one (co)polyamide of formula PACMY/Z, (b) from 10 to 70% by weight of at least one semi-crystalline copolyamide of formula A/WS, (c) from 0 to 10% of at least one impact modifier chosen from the polyether block amides (PEBA) and the core-shell polymers, (d) from 0 to 2% by weight of at least one additive, (e) from 0 to 5% by weight of a prepolymer; the sum of the proportions of each constituent of said composition being equal to 100%, the composition having good alcohol resistance as determined by an ethanol resistance test.
C08L 77/06 - Polyamides dérivés des polyamines et des acides polycarboxyliques
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
98.
PROCESS FOR SYNTHESIZING FUNCTIONALIZED MERCAPTANS UNDER AN H2S PRESSURE
The present invention relates to a process for synthesizing a functionalized mercaptan, comprising the reaction between a compound of formula R2—X—C*H(NR1R7)—(CH2)n-G (II) and H2S in the presence of at least one enzyme chosen from sulfhydrylases; said reaction being performed in a reactor with a partial pressure of H2S in the gas headspace of said reactor of between 0.01 and 4 bar, preferably between 0.1 and 3 bar, for example between 0.1 and 2.5 bar, and more preferentially between 0.25 and 2 bar, at the reaction temperature.
A multilayer structure which is chosen from among a tank, a pipe or a tube and intended for transporting, distributing or storing liquid hydrogen, the structure including a sealing layer in contact with the liquid hydrogen, the sealing layer including a composition which includes a polymer P1 which is polychlorotrifluoroethylene and at least one second layer located above the sealing layer, the second layer being a composite reinforcing layer of a fibrous material in the form of continuous fibers impregnated with a composition mainly including at least one thermoplastic or thermosetting polymer P2.
B32B 5/26 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par la présence de plusieurs couches qui comportent des fibres, filaments, grains ou poudre, ou qui sont sous forme de mousse ou essentiellement poreuses une des couches étant fibreuse ou filamenteuse un autre couche également étant fibreuse ou filamenteuse
B32B 37/04 - Procédés ou dispositifs pour la stratification, p.ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par la fusion partielle d'au moins une couche
100.
PROCESS FOR THE CONTINUOUS UPGRADING OF HEAVY BY-PRODUCTS FROM ACRYLIC ACID PRODUCTION
The present invention relates to a method for recovering, by thermal cracking, acrylic acid (AA) from heavy by-products (residues called LAA) from an AA production unit, for recycling in the acrylic acid production facility. Said method consists of two continuous steps while improving the current performance of cracking plants.
