Abstract: A composition including: (a) 30% to 99.8% by weight by weight of recycled material from a used single-layer and/or multilayer tube and/or tank having initially transported or contained motor vehicle fluids, the tube and/or the tank having a composition which predominantly includes at least one polyamide, the used tube and/or the used tank having been ground into granules and the fluid residues present in the tube and/or tank having been totally or partially extracted, (b) up to 70% of a semicrystalline aliphatic polyamide, (c) up to 0.2% of an additive, the polyamide of the used tube and/or the used tank having functions resulting from oxidation reactions chosen from the primary amide functions, nitriles, terminal methyl groups, alkenes, formamides, imides, carboxylic acids and alcohols and mixtures thereof, in a mole ratio greater than that of the same polyamide constituting a non-used tube and/or tank which has not yet transported or contained motor vehicle fluids.

Abstract: Disclosed herein is a heat transfer composition containing 1,1,2-trifluoroethylene and carbon dioxide, and possibly additional compounds, as well as heat transfer compositions containing the heat transfer fluid and methods of using the heat transfer fluid to reduce environmental impacts of heat transfer apparatuses. Heat apparatus configured to contain the heat transfer fluid are also disclosed.

Abstract: A composition including at least one thermoplastic polyurethane and at least one copolymer containing polyamide blocks and polyether blocks comprising amine chain ends, the composition having a tensile modulus at 23° ° C. of less than or equal to 170 MPa. Also, a composition obtained by the reaction of at least one copolymer containing polyamide blocks and polyether blocks comprising amine chain ends and of at least one thermoplastic polyurethane or of thermoplastic polyurethane precursors, processes for preparing such compositions and articles made therefrom.

Abstract: The present invention relates to a molding composition comprising, by weight: a) 20% to 60% of at least one long-chain aliphatic polyamide having a number of carbon atoms per nitrogen atom of greater than or equal to 9, said at least one polyamide having an inherent viscosity in solution of less than or equal to 1.3, as determined in accordance with the standard ISO 307:2007 at a temperature of 20° C., b) 40% to 75% of glass fibers, and c) 0% to 5% by weight, by weight of at least one additive, the sum of the proportions of each constituent of said composition being equal to 100%, with the exclusion of an amorphous polyamide and a microcrystalline polyamide.

Abstract: The present invention relates to a composition for blow-molding or extrusion, in particular blow-molding, comprising by weight: a) from 88 to 99.95%, more particularly from 89 to 99.9%, in particular from 93 to 99.9%, of at least one semicrystalline aliphatic polyamide having a carbon number per nitrogen atom of greater than or equal to 7, more particularly greater than or equal to 8, b) from 0.05% to 10%, more particularly from 0.1% to 9%, in particular from 0.1% to 5% by weight of at least one branching agent chosen from polyepoxides, polyanhydrides, more particularly polymaleic anhydrides and polyepoxides, c) from 0 to 2% of at least one additive, more particularly from 0.1 to 2%, the composition having, after compounding, a melt viscosity of from 10 000 to 300 000 Pa·s, preferably from 15 000 to 220 000 Pa·s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250° C., a frequency of 0.

Abstract: The invention relates to a method for controlling the temperature of a battery in an electric or hybrid motor vehicle by means of a system comprising a vapor compression circuit in which flows a first heat transfer composition comprising 2,3,3,3-tetrafluoropropene, and a secondary circuit in which flows a second heat transfer composition comprising 1-chloro-3,3,3-trifluoropropene that has a ratio of the Z form to the E form of less than or equal to 9, the method involving: —heat exchange between the battery and the second heat transfer composition; —heat exchange between the second heat transfer composition and the first heat transfer composition. The invention also relates to a system for carrying out said method.

Abstract: The present invention relates to a molding composition comprising, by weight: a) 20% to 60%, especially from 20% to 50%, in particular 25% to 39.9%, of at least one long-chain aliphatic polyamide having a number of carbon atoms per nitrogen atom of greater than or equal to 9, in particular greater than or equal to 10, said at least one polyamide having an inherent viscosity in solution of less than or equal to 1.3, in particular less than or equal to 1.25, as determined in accordance with the standard ISO 307:2007 at a temperature of 20° C., b) 40% to 75% of glass fibers, especially from 50% to 75%, in particular from 60% to 70%, of glass fibers, and c) 0% to 5% by weight, preferably 0.1% to 5% by weight, of at least one additive, the sum of the proportions of each constituent of said composition being equal to 100%.

Abstract: A composition including, relative to the total weight of the composition, from 40% to 95% by weight of at least one copolymer containing polyamide blocks and polyether blocks and from 5% to 60%, by weight, of at least one thermoplastic polyurethane, the composition having a tensile modulus at 23° C. of less than or equal to 150 MPa. Also, a composition obtained by the reaction of at least one copolymer containing polyamide blocks and polyether blocks and of at least one thermoplastic polyurethane or of thermoplastic polyurethane precursors, processes for preparing such compositions and articles made therefrom.

Abstract: A composition including 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 chosen from amino acids or aminocarboxylic acids, lactams and monomers resulting from the reaction between an aliphatic diamine and a dicarboxylic acid. Also, a composition obtained by the reaction of at least one thermoplastic polyurethane or thermoplastic polyurethane precursors and of at least one polyamide comprising amine chain ends, processes for preparing such compositions and articles made therefrom.

Abstract: A method for preparing a compound having the following formula (IV): R2—(SO2)—NLi—(SO2)—F (IV), the method including a step a) of reacting a sulphamide having the following formula (A): R0—(SO2)—NH2 (A) with at least one sulphur-containing acid and at least one chlorinating agent, the step a) being carried out: at a temperature between 90° C. and 130° C., and at a pressure which is strictly greater than 7 bar (absolute).

Abstract: The present invention concerns the use of a mixture of organic peroxides for crosslinking a polyolefin elastomer (POE), in particular intended to be used in photovoltaic applications. The invention also relates to a crosslinkable composition comprising at least one polyolefin elastomer (POE) and at least one mixture of organic peroxides. The present invention also concerns a method for preparing a material made from polyolefin elastomer (POE), preferably an encapsulating material or a sealing agent, in particular for photovoltaic cells, comprising a step of crosslinking a crosslinkable composition as defined previously.

Abstract: The invention relates to foamed acrylic materials using both traditional chemical blowing agents as well as foamable microspheres. The acrylic foams have improved density reduction, optical properties, and insulation properties. The acrylic foams of the invention can be formed by traditional melt processing methods (extrusion, blow molding, etc.) as well as innovative foaming methods, such as foaming during or after polymerization. One novel method of the invention involves the use of expandable microspheres blended with monomers, the monomers then polymerized through bulk polymerization in cell cast, infusion, or compression molding processes. This method can be effectively used to produce composite foam structures, such as in combination with ELIUM® liquid resins from Arkema.

Abstract: The present invention concerns a zeolitic adsorbent agglomerate comprising at least one zeolite of faujasite type comprising sodium and/or lithium and/or calcium, and/or barium and/or potassium, of porosity between 25% and 45%, and having a standard deviation ? of crystal size distribution in said agglomerate of less than 0.30 ?m. The invention also concerns the use of the zeolitic adsorbent agglomerate to separate hydrocarbon mixtures, and the process to separate hydrocarbon mixtures using said zeolitic adsorbent agglomerate.

Abstract: A multilayer structure, intended for the transportation, for the distribution or for the storage of a gas, in particular hydrogen, including, from the inside toward the outside, N composite reinforcing layer(s), deposited on one another, and being of a fibrous material in the form of continuous fibers which is impregnated by a composition of at least one semicrystalline thermoplastic polymer P1, the M.p. of which, as measured according to ISO 11357-3:2013, is greater than or equal to 150° C., or at least one amorphous thermoplastic polymer, the Tg of which is greater than 80° C., N being of from 1 to 2000 layers, and an outer sealing layer (1) cohesive with the outermost composite reinforcing layer (2) and including a composition of the at least one thermoplastic polymer P1, the composition of the outer sealing layer (1) resulting from at least the outermost composite reinforcing layer (2) cohesive with the sealing layer.

Abstract: The invention relates to a process for recycling lithium salts contained in the electrolyte of a used lithium battery, which involves supplying an electrolyte stream comprising at least one lithium salt, at least one electrolyte solvent and water; at least one step of extracting the at least one lithium salt by adding a first solvent to the electrolyte stream to recover a phase comprising the at least one lithium salt on one side and a lithium salt-depleted phase on the other side.

Abstract: Provided is a process for preparing polythiols by preparing a sulfhydration reaction medium, simultaneously carrying out radical sulfhydration reaction of at least one polyene and acid-catalyzed sulfhydration reaction of the polyene and recovering a mixture including at least two polythiols. Also provided is a mixture of polythiols obtained from the process described herein.

Abstract: Provided is a compound which may be obtained by esterification condensation of components as described herein. The compound may be used as a collector for ore enrichment (flotation), as a corrosion inhibitor, as a viscosity enhancer, emulsifier or stabilizer that is useful for the oil and gas industry, as a clay modifier, as an adhesion promoter, as an antiagglomerant additive, as an additive in haircare products, as a fabric softener, as an antistatic agent in polymers, as a bitumen emulsion additive, as a detergency cationic agent, as a fertilizer additive, as an antiagglomerant for hydrates, as a lubrication or adhesion-promoting additive, for example.

Abstract: The invention relates to a copolymer containing rigid polyamide PA blocks and flexible blocks, characterized in that it includes at least one carboxylic acid chain end blocked with a polycarbodiimide, said copolymer according to the invention being in noncrosslinked linear form. The invention also relates to the use of a polycarbodiimide in a process for manufacturing a copolymer containing rigid polyamide PA blocks and flexible blocks, including at least one carboxylic acid chain end, for improving the extrudability of the copolymer, the drawability of the copolymer, the abrasion resistance, the tear strength and the durability of the copolymer, without increasing its dispersity.

Abstract: A curable composition provides, upon curing, an adhesive made from energy-curable compounds having one set of adhesive properties (i.e., peel, tack and shear) after curing and a second set of adhesive properties after being subjected to some external stimuli, such as heat, light, chemicals or mechanical stresses. The curable composition comprises at least one urethane (meth)acrylate oligomer having a structure comprising: a1) at least one polyol backbone segment having at least one reacted end; a2) at least one reacted polyisocyanate forming a urethane linkage at the at least one reacted end of each of the at least one polyol backbone segment and a3) at least one blocking end group reacted with the at least one reacted polyisocyanate to form a reversible bond and bearing a (meth)acrylate group and a chain terminator or extender.

Abstract: The invention relates to the use of a composition comprising at least one semi-crystalline copolyamide A/X1Y in which: —A is a repeat unit obtained from the polycondensation of at least one C6 to C12 lactam, or at least one repeat unit XY obtained from the polycondensation of at least one aliphatic C4 to C18 diamine (X), and of at least one aliphatic C6 to C18, in particular C6 to C12, dicarboxylic acid (Y), —X1Y is a repeat unit obtained from the polycondensation of a diamine (X1) chosen from an arylamine, a cycloaliphatic diamine and a branched aliphatic diamine and of at least one aliphatic dicarboxylic acid (Y) identical to that of the unit XY, the A/X1Y weight ratio being from 60/40 to 95/5, glass fibres having a circular cross section, and optionally at least one impact modifier and/or at least one additive, for limiting warping while at the same time maintaining the cycle time of the obtained composition suitable for processing thereof, in particular by injection moulding.