The present invention relates to the use of a crosslinked cationic polymer, and preferably a crosslinked acrylic polymer, as a stabilizing agent, in a bituminous composition, preferably in a bituminous emulsion. The invention also relates to a composition comprising at least bitumen and a crosslinked cationic polymer, preferably a crosslinked acrylic polymer.
The invention relates to a two component polyurethane adhesive composition applicable to bonding a substrate susceptible to corrosion, such as but not limited to aluminum, The adhesive includes a prepolymer component and a curative. The prepolymer includes silanes and the curative includes amines as silane activators.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
C08G 18/24 - Catalysts containing metal compounds of tin
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
The present invention relates to a composition comprising at least one fluorinated polymer P1, a liquid medium L1, at least one powdery electrode material, optionally at least one conductive additive, and optionally at least one alkali metal salt; wherein said at least one fluorinated polymer P1 has a crystallization ratio lower than or equal to 30% and said liquid medium L1 has an octanol- water partition coefficient greater than 2.
The present invention relates to a method for producing biobased α-β-unsaturated carboxylic acids from a biomass containing a poly(3-hydroxyalkanoate), comprising a step of thermolysis of the biomass, in the presence of polymerisation inhibitors and in the absence of catalyst, followed by a plurality of steps resulting in the production of α-β-unsaturated carboxylic acids.
The present invention relates to a process for producing biobased α,β-unsaturated carboxylic acids from biomass containing a poly(3-hydroxyalkanoate), or from a solid poly(3-hydroxyalkanoate) previously extracted from this biomass in the presence of polymerization inhibitors, by thermolysis of said polymer, in the absence of a catalyst, predominantly to α,β-unsaturated carboxylic acid in gaseous form without using an inert gas to facilitate the evaporation of this acid. This invention more precisely describes the step of thermolysis of the biomass or of P3HA, then the purification steps making it possible to obtain the α,β-unsaturated carboxylic acid and the recycling of the intermediate products.
The present invention relates to a method for producing biobased α-β-unsaturated carboxylic acids from a biomass containing a poly(3-hydroxyalkanoate), comprising the extraction of the poly(3-hydroxyalkanoate), followed by thermolysis of the polymer in the solid or melt state, in the presence of polymerisation inhibitors and in the absence of catalyst, resulting in the production of biobased α-β-unsaturated carboxylic acids.
The invention relates to a polyester (meth)acrylate, to a method for preparing same, to a polymerisable composition comprising same and to the uses thereof, in particular as a binder in a polymerisable composition, in particular as a binder in a coating composition. The invention further relates to a crosslinked product obtained by crosslinking the polymerisable composition according to the invention and to a substrate that is at least partially coated with the crosslinked product.
C08G 63/685 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing nitrogen
C08G 63/47 - Polyesters chemically modified by esterification by unsaturated monocarboxylic acids or unsaturated monohydric alcohols or reactive derivatives thereof
C08G 63/668 - Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
C08F 283/01 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to unsaturated polyesters
C08F 299/04 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyesters
C09D 155/00 - Coating composition based on homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups
C09D 167/06 - Unsaturated polyesters having carbon-to-carbon unsaturation
C08G 63/21 - Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups in the presence of unsaturated monocarboxylic acids or unsaturated monohydric alcohols or reactive derivatives thereof
8.
POLYTHIOL COMPOSITIONS AND METHOD FOR PREPARING SAME FROM TERPENES OR TERPENE DERIVATIVES
The present invention relates to a method for preparing a polythiol from a terpene or terpene derivative, and to polythiol compositions and novel polythiols. The method comprises the following steps: a) reacting a terpene or a terpene derivative with a thiocarboxylic acid in the presence of oxygen (O2) and of at least one organic solvent so as to obtain a reaction medium comprising a polythioester and the at least one solvent; b) deprotecting the polythioester obtained in step a) so as to obtain a polythiol; wherein step a) and step b) are carried out in one-pot synthesis.
C07C 327/22 - Esters of monothiocarboxylic acids having carbon atoms of esterified thiocarboxyl groups bound to hydrogen atoms or to acyclic carbon atoms
C07C 319/02 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
C07C 321/04 - Thiols having mercapto groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
9.
POLYTHIOL COMPOSITIONS AND METHOD FOR THE PREPARATION THEREOF
The present invention relates to a method for preparing a polythiol from a polyene, and to polythiol compositions obtained from cycloaliphatic or isocyanurate polyenes. The method for preparing a polythiol comprises the following steps: a) reacting a polyene with a thiocarboxylic acid in the presence of oxygen (O2) and at least one organic solvent so as to obtain a reaction medium comprising a polythioester and the at least one solvent; b) carrying out a step of deprotecting the polythioester obtained in step a) so as to obtain a polythiol; wherein step a) and step b) are carried out as a one-pot synthesis.
C07C 319/02 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
C07C 321/22 - Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of rings other than six-membered aromatic rings
10.
POLYVINYLIDENE FLUORIDE FOR HIGH PURITY WATER SUPPLY APPLICATIONS
The invention relates to a process that results in a vinylidene fluoride polymer composition with a reduced level of residual impurities, notably total oxidizable carbon (TOC) and fluoride ions F-. Such improvements can be accomplished in a cost-effective manner through the combination of a polymer recipe and the use of a washing step, especially a dewatering extruder. The invention also relates to the applications of such a vinylidene fluoride polymer in high purity applications.
The present invention relates to the production of light (meth)acrylic esters such as methyl or ethyl (meth)acrylate, by direct esterification of (meth)acrylic acid with the corresponding light alcohol. In particular, the invention relates to a method for recovering/purifying C1-C2 alkyl acrylate, comprising a hydrolysis step that makes it possible to transform Michael adducts into acid products of which the boiling point is very different from that of acrylic acid, thereby simplifying the purification sequence.
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 67/60 - Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
The invention relates to an overmolded composite structure comprising: i) a first component C1 comprising at least one fibrous material and a matrix resin composition, said matrix resin composition comprising at least one reactive thermoplastic polymer, and optionally a chain extender or chain limiter, said thermoplastic polymer having a number-average molecular weight Mn between 3,000 and 35,000 g/mol, preferably between 5,000 and 20,000 g/mol, preferably between 5,000 and 15,000 g/mol, preferably between 5,000 and 10,000 g/mol; and ii) a second component C2 comprising an overmolding resin composition, the first component C1 having at least one surface S, and component C2 adhering to component C1 on at least part of surface S.
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
The invention relates to an overmolded composite structure comprising: i) a first component (C1) comprising at least one fibrous material and a matrix resin composition, said matrix resin composition comprising at least one polyamide, the at least one polyamide having a number-average molecular weight Mn between 3,000 and 35,000 g/mol, preferably between 5,000 and 20,000 g/mol, preferably between 5,000 and 15,000 g/mol, preferably between 5,000 and 10,000 g/mol, and a melt viscosity, measured as capillary rheology, measured at Tf +50° C, Tf being the melting temperature of the at least one polyamide, at a shear rate of 1800 s-1, between 0.05 and 1000 Pa·s, preferably between 0.1 and 1000 Pa·s, preferably between 0.3 and 1000 Pa·s, preferably between 0.3 and 500 Pa·s, more preferably between 0.3 and 250 Pa·s, for example between 0.3 and 100 Pa·s, even more preferably between 0.3 and 50 Pa·s, more preferably between 0.3 and 25 Pa·s, even more preferably between 0.3 and 10 Pa·s, preferably between 0.3 and 5 Pa·s; and ii) a second component (C2) comprising an overmolding resin composition, the first component C1 having at least one surface S, and component C2 adhering to component C1 on at least part of surface S.
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
The invention relates to a dry powder mixture comprising: a poly-aryl ether ketone-based powder having a volume-weighted particle size distribution, measured by laser diffraction, according to ISO 13320: 2009, such that the median diameter D50 is such that D50 ≤ 300 μm, and a nucleating filler in powder form, the nucleating filler being selected from a silicate, a carbon material having a BET specific surface area of greater than or equal to 200 g/m2, or a mixture thereof, the nucleating filler representing from 0.1% to 2% by weight, relative to the total weight of powder based on poly-aryl ether ketone and nucleating filler.
C08J 5/10 - Reinforcing macromolecular compounds with loose or coherent fibrous material characterised by the additives used in the polymer mixture
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
The invention relates to a composition C based on at least one semicrystalline or pseudoamorphous polyaryletherketone comprising 0.2% to 1.2% by weight of a nucleating filler relative to the total weight of polyaryletherketone and as a nucleating filler, said nucleating filler being selected from a silicate, a carbon material having a BET specific surface area greater than or equal to 200 g/m2, or a mixture thereof.
The invention relates to granules consisting of a composition C comprising a non-delaminating polymer mixture M, the mixture M comprising: at least 50% by weight of at least one pseudo-amorphous or semi-crystalline polyaryletherketone, said polyaryletherketone having a melting temperature below or equal to 340°C, relative to the total weight of the mixture; and from 5% to 40% by weight of a poly(etherimide-siloxane) copolymer, relative to the total weight of the mixture, it being understood that if the mixture M comprises from 5% to 7.5% by weight of a poly(etherimide-siloxane) copolymer, then the mixture M does not comprise a polysiloxane. The invention also relates to the use of the composition C for the manufacture of an article, of a part, or of a coating, at a maximum manufacturing temperature not exceeding 350°C.
The present invention relates to a thermoplastic polymer composition comprising a matrix polymer (A) and a polymer processing aid (B), wherein: - (δ polymer (B) – δ matrix polymer (A)) >=2.0 (J1/2.cm-3/2), preferably > 3.0 (J1/2.cm-3/2), δ being the solubility parameter calculated according to Fedor method, and - the melt viscosity ratio of polymer (B) over matrix polymer (A) is less than 0.30, preferably less than 0.20, the melt viscosity being measured by capillary rheometry at 210°C and a shear rate of 100 s-1.
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
The present invention relates to a method for purifying a hydrogen stream polluted by water, oxygen and optionally nitrogen, said method comprising bringing the hydrogen stream to be purified into contact with a zeolite adsorbent material comprising at least one metal chosen from the metals from columns 3 to 12 of the periodic table of the elements, in zero-valent metal form, or in oxidized form or in reduced form, and recovering a purified hydrogen stream. The invention also relates to the use of a zeolite adsorbent material comprising at least one metal from columns 3 to 12 of the periodic table of the elements for the purification of hydrogen, and to the use of hydrogen thus purified in industrial processes.
C01B 3/56 - Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids
The present invention relates to a method for purifying an oxygen stream polluted by water, hydrogen and potentially nitrogen, said method comprising bringing the oxygen stream to be purified into contact with a zeolitic adsorbent material comprising at least one metal, in zero-valent metal form, or in oxidized form or in reduced form, and recovering purified oxygen streams. The invention also relates to the use of a zeolitic adsorbent material comprising at least one transition metal for the purification of oxygen, and to the use in industrial processes of oxygen thus purified.
The present invention deals with a method for making a high temperature composite, which is a carbon carbon composite, carbon fiber reinforced ceramic matrix composite, ceramic fiber reinforced ceramic matrix composite, or a carbon silica composite, comprising: a) providing a precursor part comprising a resin comprising a poly(aryl ether ketone) (PAEK) and at least one reinforcing material, wherein the resin has a degree of crystallinity of 10 % or more; b) pyrolyzing the precursor part to a pyrolyzed part; c) infusing a liquid second resin into the pyrolyzed part to make an infused part; and d) pyrolyzing the infused part to make the carbon carbon composite carbon fiber reinforced ceramic matrix composite, ceramic fiber reinforced ceramic matrix composite, or the carbon silica composite, optionally repeating steps c. through d. one or more times. The invention also deals a carbon carbon composite, carbon fiber reinforced ceramic matrix composite, ceramic fiber reinforced ceramic matrix composite, or carbon silica composite made by the method presented herein.
C04B 35/14 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on silica
B29C 70/14 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of short length, e.g. in the form of a mat oriented
B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
B29C 70/50 - Shaping or impregnating by compression for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
B29C 70/52 - Pultrusion, i.e. forming and compressing by continuously pulling through a die
C04B 35/524 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite obtained from polymer precursors, e.g. glass-like carbon material
C04B 35/626 - Preparing or treating the powders individually or as batches
D04H 1/74 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel
C04B 35/52 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite
C08G 65/48 - Polymers modified by chemical after-treatment
C08G 65/40 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols and other compounds
22.
BINDER FOR AN ELECTRODE, ELECTRODE FORMULATION FOR A LI-ION BATTERY, AND METHOD FOR MANUFACTURING AN ELECTRODE
A polyurethane adhesive composition comprising a flame retardant package, wherein the flame retardant package comprises no more than about 20 wt% of the polyurethane adhesive composition, preferably no more than about 15 wt%, more preferably no more than about 10 wt%. Preferably the flame retardant package comprises a liquid phosphate ester based on the 5 weight of the composition, the liquid phosphate ester comprises no more than about 15 wt%, preferably less than about 10 wt%, more preferably no more than about 5 wt%, further preferably no more than about 4 wt%, even more preferred no more than about 3 wt%, and a solid ammonium polyphosphate, the solid ammonium polyphosphate comprising "n" number of ammonium phosphate units wherein "n" comprises at least about 500, further preferably at 10 least about 750, more preferably at least about 1000, even more preferably at least about 1500. The composition may comprise a polyisocyanate component and a polyol component and a molar ratio of the polyisocyanate component to the polyol component comprises more than about 1:1, preferably at least about 2:1, further preferably at least about 5:1, even more preferably at least about 10:1, and most preferably up to about 20:1. An advantageous 15 application of the adhesive composition is a structural adhesive, preferably for one or more wood substrates or to produce an engineered wood article.
The invention relates to polyurethane adhesive compositions and laminates which include one of the adhesive compositions and methods of making such laminates. The adhesive may be a 2-component adhesive. The prepolymer may include an NCO prepolymer and one or more silane adhesion promoters. The curative component will include a second polyol. The second polyol may a have a number average molecular weight of at least about 2,000 Daltons and alternatively up to at least about 80,000 Daltons and all number average molecular weights in between. The curative may also include a mono ether. The adhesive may be a low or high modulus adhesive as desired for the application.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
25.
COMPOSITION COMPRISING AT LEAST ONE ORGANIC PEROXIDE, AT LEAST ONE EMULSIFIER, AND AT LEAST ONE SALT
The present invention relates to a composition comprising at least one organic peroxide, at least one emulsifying agent, at least one salt, and water. The invention also relates to the use of a composition as defined above for polymerising or copolymerising one or more ethylenically unsaturated monomers, preferably one or more halogenated ethylenically unsaturated monomers, more preferably vinyl chloride. The present invention also relates to a halogenated vinyl polymer obtained by polymerising or copolymerising at least one halogenated ethylenically unsaturated monomer in the presence of at least one composition as defined above.
The present invention relates to formulations for obtaining polymer materials comprising an at least difunctional reactant capable of reacting with a polyol and a polyol capable of reacting with said at least difunctional reactant, said polyol being an at least partially bio-sourced aromatic polyol. The invention also relates to the use of said formulations for producing polyurethanes, polyesters, polycarbonates, epoxy resins, for producing coatings in general, paints, elastomers, sealants and adhesives.
C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
C07C 39/00 - Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
C07C 39/21 - Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic, containing only six-membered aromatic rings as cyclic part, with unsaturation outside the rings with at least one hydroxy group on a non-condensed ring
C08G 18/67 - Unsaturated compounds having active hydrogen
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
C07C 37/11 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
27.
PROCESS FOR PRODUCING 2-METHYL-1, 3-PROPANEDIOL AND SYSTEM
The present invention relates to a process for producing 2-methyl- 1,3-propanediol. In particular the present invention relates to process for producing 2-methyl-1,3-propanediol by performing an aldol reaction between propionaldehyde and formaldehyde to form 3-hydroxy-2-methylpropanal and hydrogenating of formed 3-hydroxy-2-methylpropanal. The invention also relates to a system for producing 2-methyl-1,3- propanediol and more particularly a system for implementing a process for producing 2-methyl-1,3-propanediol
C07C 29/141 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of a —CHO group with hydrogen or hydrogen-containing gases
C07C 29/78 - Separation; Purification; Stabilisation; Use of additives by physical treatment by condensation or crystallisation
C07C 45/72 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of C=O groups by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing C=O groups with the same or other compounds containing C=O groups
C07C 47/19 - Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen containing hydroxy groups
C07C 29/80 - Separation; Purification; Stabilisation; Use of additives by physical treatment by distillation
B01J 19/00 - Chemical, physical or physico-chemical processes in general; Their relevant apparatus
28.
HIGH STRENGTH URETHANE ACRYLATE HYBRID STRUCTURE ADHESIVES
A polymerizable adhesive composition comprising a two-part hybrid polymerizable adhesive composition is disclosed. In particular, the polymerizable adhesive composition comprises (i) an organoborane amine complex; (ii) urethane pre-polymer; (iii) a free isocyanate; (iv) free polyol; (v) at least one free radically polymerizable component; (vi) (a) carbon black filler either alone or in combination with at least one additional filler; or (b) at least one graft polyether polyol containing polymer.
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
29.
METHOD FOR MANUFACTURING AN ALL-SOLID-STATE ELECTROLYTE FOR SECONDARY BATTERIES
The present invention relates to a method for preparing a solid-state electrolyte in the form of a film, the method comprising the steps of: providing a solution C comprising at least one fluorinated polymer A1, at least one organic solvent A2, at least one alkali metal salt B1 and at least one plasticiser B2; depositing the solution C on a support D to form a film; drying the resulting film; characterised in that the at least one organic solvent A2 has a donor number greater than 4 kcal/mol and a saturated vapour pressure of less than 24 kPa at 20°C; and in that the at least one plasticiser B2 comprises at least one ionic liquid.
A laminating adhesive composition for flexible food packaging using an isocyanate terminated compound which is a reaction product of (a) at least one polymeric isocyanate compound optionally having a 4,4'- MDI monomer content of no more than 65 wt%, and (b) a first polyol selected from the group consisting of polyether polyols, polyester polyols and combinations thereof; and (ii) at least one second polyol selected from the group consisting of polyether polyol, polyester polyol and combinations thereof,. The polymeric isocyanate compound may have an NCO content from about 10 wt% to about 35wt% and a viscosity from about 50 mPa.s to about 1000 mPa.s. A method of bonding a laminate with the adhesive composition, and a method of preparing the composition thereof. Preferably the adhesive composition exhibits a PAA migration of no more than 0.6 ppb with at least 7 days of cure.
The present invention relates to individualised MFI silicalite-1 zeolite crystals having a three-dimensional morphology in which the cross section parallel to the greatest length conforms to the shape of a straight truncated disc (or ellipse). The invention also relates to the process for synthesizing said crystals, and to the uses thereof as zeolitic adsorbents.
The present disclosure relates to a SFLA composition comprising the reaction product of precursors, the precursors comprise (i) a crystallizable polyol having: (1) a melting point of at least about 30°C; and (2) an OH number of at least about 10 mg KOH/ g, and (ii) less than 10 wt% of a tackifier having a melting point or softening point of at least about 40°C. A viscosity of the adhesive comprises at least one of: (1) less than about 10,000 cP at 60°C, (2) less than about 5,000 cP at 75°C and (3) combinations thereof. Applications for the SFLA include the making of flexible packaging, wall coverings and other uses that include the lamination or bonding of one or more porous substrates.
B65D 85/00 - Containers, packaging elements or packages, specially adapted for particular articles or materials
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
The present invention relates to a single-material object, in particular a recyclable object, consisting predominantly of long-chain polyamide comprising at least two elements: - at least one first element consisting of at least one extruded or blow-extruded part intended for transporting, dispensing and/or storing a fluid, comprising at least one layer that consists of a first composition comprising at least 30% by weight, relative to the total weight of the first element, of at least one homopolyamide or at least one copolyamide having a C/N ratio higher than or equal to 8; - at least one second element consisting of at least one injected part that consists of a second composition comprising at least 30% by weight, relative to the total weight of the second element, of at least one homopolyamide or at least one copolyamide as defined above for the first composition, and wherein the first and second elements are able to at least partially adhere to one another.
B32B 7/05 - Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
The present invention relates to a composition comprising at least: (a) 30% to 99.9% by weight of at least one recycled polyamide of formula XY or A/XY, (b) 0.1% to 10% by weight of at least one additive, (c) 0% to 70% by weight of at least one virgin polyamide, (d) 0% to 65% by weight of at least one filler, (e) 0% to 15% by weight of at least one plasticizer, (f) 0% to 30% by weight of at least one impact modifier. The invention also relates to the use of such a composition for manufacturing objects and to the corresponding objects.
The present invention relates to the synthesis of esters of methacrylic acid or acrylic acid, hereinafter referred to as (meth)acrylates, from dialkylamino alcohols by transesterification catalyzed by at least one supported enzyme.
C12P 13/00 - Preparation of nitrogen-containing organic compounds
C07C 219/08 - Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having at least one of the hydroxy groups esterified by a carboxylic acid having the esterifying carboxyl group bound to an acyclic carbon atom of an acyclic unsaturated carbon skeleton
36.
COMPOSITION FOR ALL-SOLID-STATE BATTERY, AND FILM PREPARED THEREFROM
The present invention relates to a composition comprising an organic solvent, a fluorinated polymer A comprising monomer units containing at least one fluorine atom, an inorganic material containing a sulfur atom and optionally a salt of an alkali metal, characterized in that the organic solvent is an aprotic solvent and has a donor number of 10 kcal/mol or more.
The present invention relates to a composition comprising at least: (a) 30% to 99.9% by weight of at least one recycled aliphatic polyamide, (b) 0.1% to 10% by weight of at least one additive, (c) 0% to 70% by weight of at least one virgin polyamide, (d) 0% to 65% by weight of at least one filler, (e) 0% to 15% by weight of at least one plasticizer, (f) 0% to 30% by weight of at least one impact modifier. The invention also relates to the use of such a composition for manufacturing objects and to the corresponding objects.
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
The present invention relates to a composition comprising at least: (a) 30% to 99.9% by weight of at least one recycled polyamide elastomer having functions resulting from oxidation reactions, chosen from formate functions, end-of-chain methyl groups, primary amides, nitriles, alkenes, formamides, carboxylic acids, aldehydes, imides, alcohols and mixtures thereof, at a molar ratio relative to secondary amide functions higher than that of the same virgin polyamide elastomer, (b) 0.1% to 10% by weight of at least one additive, (c) 0% to 70% by weight of at least one virgin polyamide, (d) 0% to 65% by weight of at least one filler. The invention also relates to the use of such a composition for manufacturing objects and to the corresponding objects.
C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
B29B 7/48 - Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
The present invention relates to a (meth)acrylated isocyanurate mixture, a process for preparing same, a polymerizable composition comprising same, and the uses thereof, in particular as a binder in a polymerizable composition or in a composition for additive manufacturing, in particular for printing a 3D or 4D object.
C08G 63/47 - Polyesters chemically modified by esterification by unsaturated monocarboxylic acids or unsaturated monohydric alcohols or reactive derivatives thereof
The present invention relates to a composition comprising A) an aqueous polymer dispersion which has been in contact with a specific redox system during and/or after polymerization; and B) a hydraulic binder. It further relates to a process for obtaining the composition and its use in the manufacture of a coating, an adhesive, a mortar, a putty or a sealant, in particular a waterproofing cementitious coating having low tackiness and high impermeability to water.
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
Thiol masterbatch composition are provided for preparing an ultraviolet-curable composition, the thiol masterbatch composition comprising at least 70 % by weight of thiol compounds and at least one stabilizer. Kits for providing an ultraviolet-curable composition include a first part containing therein a thiol masterbatch composition, and a second part separate from the first part and containing therein a (meth)acrylate composition. Methods of preparing an ultraviolet-curable composition include combining a thiol masterbatch composition and a (meth)acrylate composition.
The invention relates to a polymer essentially consisting of, or consisting of, repeating units derived from vinylidene fluoride (VDF), trifluoroethylene (TrFE), and at least one third monomer different from vinylidene fluoride and trifluoroethylene, the molar ratio TrFE:VDF between the number of moles in the unit derived from trifluoroethylene and that in the unit derived from vinylidene fluoride in the polymer being 14.0:86.0 to 50.0:50.0, the at least one third monomer having a mole fraction xt greater than or equal to 1 ppm and less than or equal to 5000 ppm relative to the total number of moles in the units derived from VDF and TrFE in the polymer.
The invention relates to a thermoplastic polymer powder that has a Hausner index of 1.30 or less and comprises particles of which the particle size distribution is characterized by a SPAN of 1.0 or more. The invention also relates to the use of such a powder for the construction of a three-dimensional article, for coating a surface and for manufacturing an article by rotational molding. The invention also relates to a method for preparing a thermoplastic polymer powder and to a method for encapsulating a thermoplastic polymer particle with at least one additive.
B33Y 70/00 - Materials specially adapted for additive manufacturing
C08J 3/14 - Powdering or granulating by precipitation from solutions
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE HAUTE - ALSACE (France)
Inventor
Sehnal, Petr
Plenderleith, Richard
Squires, Kelly
Sprick, Elodie
Lalevee, Jacques
Becht, Jean-Michel
Ren, Kangtai
Tejaswi, Nori
Klang, Jeffrey
Abstract
The present invention concerns a method of curing a composition comprising a cationically-polymerizable compound and a photoinitiator of formula (I): the method comprising irradiating the composition with at least one light source having a maximum output wavelength in the range of 350 to 460 nm, the obtained cured product, a method for the preparation of a 3D-printed article comprising said method and the obtained 3D printed article.
B29C 64/00 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
The present invention relates to a phosphine oxide-based photoinitiator, to a process for preparing said photoinitiator and to a precursor that may be used to prepare said photoinitiator. The present invention further relates to a photoinitiator composition, to a curable composition, to a process for the preparation of a cured product, to a process of inkjet printing, to a process of 3D printing and to a process for coating a nail. The invention also relates to precursors of the photoinitiator or the photoinitiator composition. The invention also relates to the use of the photoinitiator or the photoinitiator composition.
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
46.
METHODS FOR PREPARING MULTISTAGE POLYMER PARTICLE COMPOSITIONS AND CURABLE FORMULATIONS FOR THREE-DIMENSIONAL PRINTING PROCESSES
The invention relates to a method for preparing a multistage polymer particle composition for curable formulations comprising subjecting multistage polymer particles to a contaminant-reduction process that reduces a level of at least one contaminant species present in the multistage polymer particles, such as potassium, sodium, phosphorus, sulfur, or combinations thereof. The contaminant-reduction process may include washing the particles in water and optional acid or performing a solvent-exchange process including an organic solvent and optional acid. The multistage polymer particles include a core polymer, an inner shell polymer surrounding the core polymer, and an outer shell polymer surrounding the inner shell polymer. The compositions may be formulated into curable formulations for various applications such as 3D printing or used to prepare cured compositions from the curable formulations.
The invention is directed to methods for preparing a multistage polymer particle masterbatch composition, to multistage polymer particle masterbatch compositions prepared therefrom, to curable compositions prepared from the multistage polymer particle masterbatch compositions, and to coated substrates coated with a cured product obtained by curing the multistage polymer particle masterbatch composition or the curable composition.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE HAUTE - ALSACE (France)
Inventor
Sehnal, Petr
Plenderleith, Richard
Squires, Kelly
Sprick, Elodie
Lalevee, Jacques
Becht, Jean-Michel
Ren, Kangtai
Tejaswi, Nori
Klang, Jeffrey
Abstract
The invention concerns a compound of formula (I): the process for the preparation thereof and the use thereof as photoinitiator, preferably as photoinitiator activable under 350-460 nm light irradiation, notably to cure formulations comprising monomers which may be polymerized by cationic, free radical and hybrid cationic/free radical polymerization.
C07D 307/82 - Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C07C 321/00 - Thiols, sulfides, hydropolysulfides or polysulfides
C07D 295/096 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
C07D 333/62 - Benzo [b] thiophenes; Hydrogenated benzo [b] thiophenes with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
49.
USE OF HYDROFLUOROETHERS IN HEAT TRANSFER APPLICATIONS
122312mn(2m+1-n)3mn(2m+1-n)n); and each m = 1 to 4 and each n = 0 to 9. The invention also relates to an immersion cooling system and a thermal management system in which the hydrofluoroether of formula (I) as described above is used.
The present invention relates to a process for the synthesis of isophorone in the liquid phase by alkaline self-condensation of acetone, comprising the following successive steps: a) condensation reaction of the acetone in a reactor in an alkaline medium, followed by b) distillation, optionally reactive distillation, of the reaction mixture from the reactor, then c) separation of the stream recovered at the bottom of the optionally reactive distillation column from step b) so as to separate the alkaline aqueous phase from the organic phase, then d) extraction and/or purification of the organic phase so as to recover isophorone, characterized in that the process comprises the following successive steps: e) treatment, by electrodialysis, of the alkaline aqueous phase recovered at the end of step c), f) recycling, to the reactor used in step a), the aqueous phase from the electrodialysis, which has an alkali hydroxide content that is greater than the alkali hydroxide content of the aqueous phase recovered at the end of step c).
C07C 45/74 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of C=O groups by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing C=O groups with the same or other compounds containing C=O groups combined with dehydration
C07C 45/82 - Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
C07C 49/603 - Unsaturated compounds containing a keto group being part of a ring of a six-membered ring
The present invention relates to a composition comprising zeolite crystals and a hydroxylated oil stabilized by an organophilic phyllosilicate dispersant. The invention also relates to the use of said composition for drying organic compounds, compositions or solutions.
The present invention relates to a continuous process for the synthesis of isophorone in the liquid phase by alkaline self-condensation of acetone, comprising the following successive steps: a) continuously injecting, through a tubular reactor (R), a stream of an aqueous alkali hydroxide solution and a stream of an organic solution comprising acetone and by-products recycled in step g), followed by b) condensation reaction of the acetone in the tubular reactor (R), then c) distillation of the reaction mixture from the tubular reactor (R), then d) separation of the concentrated raw reaction product from the distillation of step c), resulting in an alkaline aqueous phase and an organic phase containing isophorone, then e) distillation of the organic phase containing the isophorone recovered in the preceding step, then f) distillation of the polycondensation sub-products from the bottom of the column (D2) from the preceding distillation, then g) recycling, to the tubular reactor (R), of the stream from the column head of the preceding distillation (D3), said stream comprising xylitones and/or isoxylitones.
C07C 45/74 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of C=O groups by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing C=O groups with the same or other compounds containing C=O groups combined with dehydration
C07C 45/82 - Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
C07C 49/603 - Unsaturated compounds containing a keto group being part of a ring of a six-membered ring
The invention relates to a thermoplastic composite (1) comprising: - at least one straight portion (10) having a circular section with an external diameter (d), and a longitudinal axis (L), - at least one bent portion (11), - at least one bending radius (r), of the at least one bent portion (11) the bending radius (r) being at most a factor f egal to 5 with respect to the external diameter of the at least one straight portion (10), and - a thermoplastic matrix and a fiber reinforcement. The invention also relates to a structure to be reinforced comprising at least one thermoplastic (1), uses of a thermoplastic composite (1) and a method (100) for producing a thermoplastic composite (1).
The invention relates to agglomerated zeolitic adsorbents based on faujasite X zeolite crystals having a controlled Si/Al molar ratio, said zeolite being exchanged with barium, or based on faujasite X zeolite having a controlled Si/Al molar ratio, this zeolite being exchanged both with barium and potassium. The invention further relates to the use of the adsorbent in the separation of sugars, polyhydric alcohols, substituted toluene isomers, or cresols, or in the recovery of very high purity paraxylene, as well as to the xylene separation method using the adsorbent.
B01D 15/08 - Selective adsorption, e.g. chromatography
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
B01D 15/18 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
C07C 7/13 - Purification, separation or stabilisation of hydrocarbons; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
55.
COMPOSITE COMPRISING AN ELASTOMER COMPRISING RUBBER PARTICLES AND A FOAM LAYER
The invention relates to a composite comprising a layer A and a layer B, wherein: - the layer A is at least partially foamed and is obtained from a composition comprising at least 30% by weight, preferably at least 50% by weight, of at least one polymer chosen from a crosslinked polyurethane (PU) polymer, of a polymer based on crosslinked ethylene/vinyl acetate (EVA) copolymer or crosslinked ethylene/alkyl (meth)acrylate copolymer, and mixtures thereof; and - the layer B comprises from 25% to 99% by weight, relative to the total weight of the layer B, of at least one thermoplastic polymer chosen from thermoplastic elastomers and polyamides, and from 1% to 75% by weight, relative to the total weight of the layer B, of crosslinked rubber particles. The invention also relates to a method for preparing such a composite, and to an article comprising such a composite.
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 5/20 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material foamed in situ
B32B 7/05 - Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 25/14 - Layered products essentially comprising natural or synthetic rubber comprising copolymers in which synthetic rubber constituents predominate
B32B 25/16 - Layered products essentially comprising natural or synthetic rubber comprising polydienes or poly-halodienes
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 27/26 - Layered products essentially comprising synthetic resin characterised by the use of special additives using curing agents
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
The invention relates to a multilayer structure comprising an adhesive layer and in direct contact therewith, a layer forming a support film, wherein said adhesive layer comprises a polyolefin A and a functionalized polyolefin and has a melting point of between 80°C and 120°C, and wherein said support film comprises a polyamide-grafted polymer and has a flow temperature higher than 160°C. It also relates to a method for the manufacture thereof, to the use of such a multilayer structure for the manufacture of photovoltaic modules and to a method for manufacturing such modules and also to these photovoltaic modules as such.
B32B 3/02 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by features of form at particular places, e.g. in edge regions
B32B 3/04 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
SHINIL CHEMICAL INDUSTRY CO LTD (Republic of Korea)
Inventor
Kim, Hyungmin
Dufaure, Nicolas
Goupil, Antoine
Seo, Keumsuk
Abstract
The present invention relates to the use of a composition comprising at least one polyamide whose average number of carbon atoms per nitrogen atom is greater than 6, in particular greater than or equal to 7, in particular greater than or equal to 8, and clays for the preparation of a tubular structure intended for the transport of fuel, in particular gasoline, in particular alcohol, said tubular structure comprising at least one layer (1) comprising said composition and having a reduction of extractables, in particular oligomers, extracted by said fuel in relation to the same structure comprising the same composition but devoid of clays, said composition being devoid of a polyamide obtained by polycondensation of meta-xylylene diamine with a dicarboxylic acid Cb in C4 to C36.
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
The invention relates to compositions of block copolymers and thermoplastic epoxy resins, to the use thereof in the mechanical reinforcement of filled or non-filled thermo-set epoxy formulations and to the resulting filled or non-filled thermo-set epoxy formulations. The invention also relates to a method for producing said block copolymer / thermoplastic epoxy resin compositions.
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
C08L 63/00 - Compositions of epoxy resins; Compositions of derivatives of epoxy resins
C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
B29B 7/06 - Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
B29B 7/14 - Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with screw or helix
The present invention relates to a binder for a dry-coated electrode of a secondary battery, comprising a fluorinated polymer A and an acrylic polymer B, characterized in that said binder is in the form of a powder.
The invention mainly relates to a polyamide powder composition used in powder-bed additive manufacturing, the composition consisting of: (a) 10 to 90% by weight of a polyamide powder A having an inherent viscosity calculated according to formula (1) on the basis of the flow velocity of a solution of the polymer and the solvent measured in an Ubbelohde viscometer according to ISO 307:2019, except when m-cresol is used as the solvent and a temperature of 20°C is set, of 0.8 to 2.8, and having a span of between 0.4 and 1.40; (b) 90 to 10% by weight of a polyamide powder B that is distinct from the polyamide powder A, which powder B has an inherent viscosity, calculated as indicated above, of 0.8 to 2.8, and a span of between 0.4 and 1.40; (c) 0 to 40% by weight of additives chosen from among flow agents, stabilising agents, optical brighteners and energy-absorbing additives and/or fillers, wherein the polyamide powder B is derived from the polyamide powder A, it being understood that the difference between the respective inherent viscosities of the powders A and B does not exceed 0.6 in terms of absolute value.
The invention relates to a method for producing a polyamide powder by anionic polymerization in a solvent, comprising the following steps: a) forming a reaction medium comprising the introduction of at least one lactam monomer into said solvent, the introduction of at least one catalyst into said solvent and the introduction of at least one activator into said solvent at a given temperature; b) polymerizing the lactam monomer to give polyamide in the reaction medium; c) precipitating the polyamide in powder form in the reaction medium; and d) heating, after step a), preferably after step c), the reaction medium to a temperature higher than the temperature at which the at least one activator was introduced and which ranges from 140 to 200°C The invention also relates to a powder obtained by such a method and to uses of such a powder.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
The present invention relates to a proton exchange membrane, a method for preparing said membrane, and the use of said membrane in fields requiring ion exchange, such as effluent purification and electrochemistry, or in the fields of energy. In particular, this membrane is used in the design of fuel cell membranes.
The present invention relates to a proton exchange membrane, a method for preparing said membrane, and the use of said membrane in fields requiring ion exchange, such as effluent purification and electrochemistry, or in the fields of energy. In particular, this membrane is used in the design of fuel cell membranes.
The present invention relates to a (meth)acrylic composition comprising recycled materials, a process for preparing the (meth)acrylic composition and uses of such a (meth)acrylic composition. In particular the present invention relates to a (meth)acrylic composition comprising a recycled material or recycled materials, said recycled materials are either in polymeric form or monomers or both, a process for preparing the (meth)acrylic composition and uses of such a (meth)acrylic composition. The invention also relates also to a (meth)acrylic polymeric composite material, comprising or made of a (meth)acrylic composition comprising recycled materials, a method for preparing such (meth)acrylic composite material comprising or made of a (meth)acrylic composition comprising recycled materials and an object comprising such (meth)acrylic polymeric composite material comprising or made of a (meth)acrylic composition comprising recycled materials.
The invention relates to an ester mixture obtained by esterification of at least a C2-C4 diol or a C3-C4 triol and an acid mixture containing at least a C2-C9 saturated acid and 10-undecenoic acid. The invention also relates to the use of an ester mixture obtained by esterifying at least one polyol and an acid mixture comprising at least a C2-C9 saturated acid and 10-undecenoic acid, as a preservative.
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 69/533 - Monocarboxylic acid esters having only one carbon-to-carbon double bond
A61K 8/00 - Cosmetics or similar toiletry preparations
66.
ELECTROLYTE WITH HIGH LOCAL CONCENTRATION OF LIFSI
The invention relates to an electrolyte composition comprising: - a lithium bis(fluorosulfonyl)imide salt; - at least one non-fluorinated organic solvent; - at least one diluent which is a halogenated compound of formula (I): wherein each of the groups R1, R2 and R3 is, independently, of empirical formula CxR'(2x+1)-yHy, each R' being, independently, selected from F and Cl, each x being a number from 1 to 6 and each y being a number from 0 to 2x+1; the lithium bis(fluorosulfonyl)imide salt concentration being greater than or equal to 2 M with respect to the non-fluorinated organic solvent(s).
The present invention relates to a halogenated polymer A1 that comprises monomer units M1 comprising at least one fluorine atom, monomer units M2 comprising at least one carbon-carbon double bond –C(R1)=C(R2)-, and monomer units M3 comprising at least one conjugated carbon-carbon double bond –C(R3)=C(R4)-C(R5)=C(R6)-, wherein the groups R1, R2, R3, R4, R5and R615155 (per)haloalkyl, F, Br, I and Cl; characterized in that the molar ratio of the content of monomer units M2 in the polymer A1 to the content of monomer units M3 in the polymer A1 is less than 10; and the molar content of monomer units M2 is 0.01 to 15% and the molar content of monomer units M3 is 0.01 to 15% in the polymer A1. The present invention also relates to the method for preparing the halogenated polymer.
C08L 27/22 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment
C09D 127/22 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers modified by chemical after-treatment
68.
METHOD FOR PURIFYING CHLOROTRIFLUOROETHYLENE BY EXTRACTIVE DISTILLATION
The present invention relates to a method for purifying chlorotrifluoroethylene (CTFE) from a first composition comprising chlorotrifluoroethylene and 1,1,2-trifluoroethane (143), the method comprising the steps of: a) extractive distillation of the first composition in the presence of at least one organic extractant to form i) a second composition comprising the organic extractant and the 1,1,2-trifluoroethane and ii) a first stream comprising the chlorotrifluoroethylene; and b) recovery and separation of the second composition to form a second stream comprising the organic extractant and a third stream comprising the 1,1,2-trifluoroethane; preferably, the second stream is recycled to step a).
The present invention relates to the use of one or more peresters of formula (I) for the polymerisation of at least one allyl monomer and/or of at least one allyl copolymer. The invention also relates to a polymerisable composition comprising at least one allyl monomer and/or at least one allyl copolymer, and at least said perester. The invention also relates to the use of the polymerisable composition as defined above for the manufacture of an organic glass, preferably an ophthalmic lens. The present invention also relates to an organic glass obtained from the polymerisation of the polymerisable composition as defined above.
C08F 118/00 - Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloform
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
The present invention relates to an extrusion composition comprising, by weight: a) 35 to 100%, in particular 35 to 96.9%, of at least one semi-crystalline aliphatic polyamide PA1 comprising at least 30%, in particular at least 50%, of recycled semi-crystalline aliphatic polyamide PA2 recovered from used or end-of-life pipes for exploiting off-shore or on-shore oil or gas deposits, in particular off-shore oil or gas deposits, said recycled semi-crystalline aliphatic polyamide PA2 having undergone a washing and/or compounding step upon removing and grinding the pipe to form granules; b) 0 to 65%, in particular 0 to 10%, of at least one reinforcing fiber; c) 0 to 40%, in particular 3 to 30%, of at least one impact modifier; d) 0 to 30%, in particular 0 to 15%, of a filler, e) 0 to 10%, in particular 0.1 to 5%, of at least one additive, the sum of components a + b + c + d + e being equal to 100%, the inherent viscosity of said composition, determined according to ISO 307: 2007 in m-cresol at 20°C, being greater than or equal to 1.2 dl/g, in particular between 1.2 dl/g and 1.7 dl/g.
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
F16L 9/12 - Rigid pipes of plastics with or without reinforcement
F16L 11/04 - Hoses, i.e. flexible pipes made of rubber or flexible plastics
B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
The present invention relates to a molding composition comprising, by weight: a) 35 to 100%, in particular 35 to 91.9, of at least one semi-crystalline aliphatic polyamide PA1 comprising at least 30%, in particular at least 50% of recycled semi-crystalline aliphatic polyamide PA2 recovered from used or end-of-life pipes for exploiting off-shore or on-shore oil or gas deposits, in particular off-shore oil or gas deposits, said recycled semi-crystalline aliphatic polyamide PA2 having undergone a washing and/or compounding step upon removing and grinding the pipe to form granules; b) 0 to 65%, in particular 5 to 50%, of at least one reinforcing fiber; c) 0 to 40%, in particular 3 to 30%, of at least one impact modifier; d) 0 to 30%, in particular 0 to 15%, of a filler, e) 0 to 10%, in particular 0.1 to 5%, of at least one additive, the sum of components a + b + c + d + e being 100%.
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
F16L 9/12 - Rigid pipes of plastics with or without reinforcement
F16L 11/04 - Hoses, i.e. flexible pipes made of rubber or flexible plastics
B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
72.
(METH)ACRYLIC COMPOSITION, FOAM MATERIAL OBTAINED FROM SUCH A COMPOSITION, METHOD FOR PRODUCING SAID COMPOSITION AND FOAM, AND USES THEREOF
The present invention relates to a (meth) acrylic composition suitable for preparing a (meth)acrylic foam, a process for preparing the (meth)acrylic composition and the (meth) acrylic foam and also to a foam material obtained by polymerization of such a (meth)acrylic composition. In particular the present invention relates to a (meth)acrylic composition suitable for preparing a (meth)acrylic foam, said (meth)acrylic composition is comprising a liquid polymerizable (meth)acrylic syrup, a blowing agent and an initiating system for starting polymerization of said composition, a process for preparing the (meth) acrylic composition and the (meth)acrylic foam and also to a foam material obtained by polymerization of such a (meth)acrylic composition. The invention also relates to a (meth)acrylic composite material comprising a cavity filled with the (meth)acrylic foam, a method for preparing such (meth)acrylic composite material comprising a cavity filled with the (meth)acrylic foam and an object comprising such (meth)acrylic composite material comprising a cavity filled with the (meth)acrylic foam.
C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
The present invention relates to a mono-material object comprising at least two elements: - at least one first element consisting of a first composition comprising at least 30% by weight relative to the total weight of the first element, of at least one homopolyamide or of at least one long-chain copolyamide, a copolyamide with amide units (Ba1) and with polyether units (Ba2) being excluded from the first composition; - at least one second element consisting of a second composition comprising at least 30% by weight relative to the total weight of the second element, of a copolyamide with amide units (Ba1) and with polyether units (Ba2), the first and second elements being able to adhere at least partially to one another, the at least one homopolyamide or at least one long-chain copolyamide of the first composition having a C/N ratio of 8 or higher and the copolyamide of the second composition having a C/N ratio of the unit (Ba1) of 6 or higher, in particular of 8 or higher, wherein the object should not include a single-layer or multilayer structure for the transport, distribution or storage of a fluid.
The present invention relates to a single-material object comprising at least two elements: - at least one first element consisting of a first composition comprising by weight at least 30%, in particular at least 50%, particularly at least 70%, more particularly at least 90%, relative to the total weight of the first element, of a copolyamide with amide units (Ba1) and with polyether units (Ba2) - at least one second element consisting of a second composition comprising by weight at least 30%, in particular at least 50%, particularly at least 70%, more particularly at least 90%, relative to the total weight of the second element, of a copolyamide with amide units (Ba1) and with polyether units (Ba2), the first and second elements being able to adhere at least partially to one another, the copolyamide of the first composition and/or the copolyamide of the second composition having a C/N ratio of the unit (Ba1) greater than or equal to 8, in particular greater than or equal to 9, in particular greater than or equal to 10.
C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
C08G 69/40 - Polyamides containing oxygen in the form of ether groups
The present invention relates to a method for producing hydrogen peroxide by means of the AO process, the method comprising the two alternating steps of: hydrogenating a working solution in the presence of a catalyst, the working solution containing at least one quinone dissolved in at least one organic solvent, to obtain at least one corresponding hydroquinone; and oxidizing the at least one hydroquinone; wherein the solvent has the following formula (I): [Chem 6] in which n is an integer greater than or equal to 8.
The invention relates to a polymer foam comprising at least one thermoplastic polyurethane and at least one polyamide comprising amine chain ends, wherein the polyamide is the reaction product of one or more monomers selected from amino acids or aminocarboxylic acids, lactams and monomers derived from the reaction between an aliphatic diamine and a dicarboxylic acid. The invention also relates to a method for preparing such a foam, and to an item comprising such a foam.
The invention relates to a polymer foam comprising at least one thermoplastic polyurethane and at least one copolymer comprising polyamide blocks and polyether blocks with amine end groups. The invention also relates to a method for producing such a foam, and to an article containing such a foam.
The invention relates to a polymer foam comprising at least one thermoplastic polyurethane and at least one copolymer with polyamide blocks and polyether blocks, said foam having an OH concentration of 0.002 meq/g to 0.2 meq/g. The invention also relates to a method for producing such a foam, and to an article containing such a foam.
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
79.
RECYCLABLE SINGLE-MATERIAL OBJECTS COMPRISING AT LEAST TWO ELEMENTS
The present invention relates to a single-material object comprising at least two elements: at least one first element consisting of a first composition comprising, relative to the total weight of the first element, at least 30 wt% of at least one homopolyamide or at least one long-chain copolyamide, wherein a copolyamide with amide units (Ba1) and polyether units (Ba2) is excluded from the first composition, at least one second element consisting of a second composition comprising, relative to the total weight of the second element, at least 30wt% of at least one homopolyamide or at least one long-chain copolyamide, wherein a copolyamide with amide units (Ba1) and polyether units (Ba2) is excluded from the second composition, the first and second elements being able to adhere at least partially to one another, the at least one homopolyamide or at least one copolyamide, preferably the at least one homopolyamide or at least one majority copolyamide, of the first composition and/or the at least one homopolyamide or at least one copolyamide, preferably the at least one homopolyamide or at least one majority copolyamide, of the second composition having a C/N ratio greater than or equal to 8, wherein the object should not include a single-layer or multilayer structure for the transport, distribution or storage of a fluid.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
80.
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 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 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 67/54 - Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
C01B 3/32 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
C07C 67/327 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by hydrogenolysis of functional groups by elimination of functional groups containing oxygen only in singly bound form
82.
NON-IONIC SURFACTANT COMPOSITION FOR THE PREPARATION OF AQUEOUS EMULSIONS
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 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 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 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 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
B05D 5/02 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
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 - Materials specially adapted for additive manufacturing
C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
C08J 3/14 - Powdering or granulating by precipitation from solutions
C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
C08G 69/08 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino carboxylic acids
C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
87.
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.
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 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
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 253/32 - Separation; Purification; Stabilisation; Use of additives
C07C 255/65 - Carboxylic acid nitriles containing cyano groups and nitrogen atoms further bound to other hetero atoms, other than oxygen atoms of nitro or nitroso groups, bound to the same carbon skeleton with the nitrogen atoms further bound to nitrogen atoms
C07C 281/20 - Derivatives of carbonic acid containing functional groups covered by groups in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group the two nitrogen atoms of the functional groups being doubly-bound to each other, e.g. 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 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 of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
93.
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 - Recovery or working-up of waste materials of polymers without chemical reactions
C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
B05B 14/10 - Arrangements for collecting, re-using or eliminating excess spraying material the excess material being particulate
C08G 69/08 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino carboxylic acids
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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.
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 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
H01B 3/20 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils
H01F 27/32 - Insulating of coils, windings, or parts thereof
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 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
C09D 179/00 - Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups
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 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton
C07C 67/54 - Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
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 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
C09J 4/06 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups