Abstract: The use of circular-section glass fibres in a mixture including at least one MXDZ polyamide, obtained from polycondensation of meta-xylylenediamine (MXD), with a C6 to C18 aliphatic (Z) dicarboxylic acid, and at least one aliphatic polyamide A obtained from the polycondensation of a unit selected from: a C6 to C12 lactam, a C6 to C12 amino acid, and an XY unit obtained from the polycondensation of a C4 to C18 aliphatic diamine (X), and a C6 to C18 aliphatic dicarboxylic acid (Y), circular-section glass fibres and optionally at least one impact modifier and/or at least one additive, said circular-section glass fibres and said mixture constituting a composition, said circular-section glass fibres being present from 30 to 75% by weight and with respect to the total weight of the composition, to improve the mechanical properties of said composition, including elongation at break, after processing, in particular by injection or compression moulding.

Abstract: A linear aliphatic polyamide obtained by polycondensation of at least one linear aliphatic unit chosen from a C6 to C12 alpha, omega-aminocarboxylic acid, a C6 to C12 lactam and a (Ca-diamine).(Cb-diacid) unit, with a representing the number of carbon atoms of the diamine and b representing the number of carbon of the diacid, a and b being between 4 and 18, the polyamide having a difference, expressed as an absolute value, between its total acidity and its total basicity of between 35 and 180, and a total basicity or a total acidity strictly less than 35 ?eq/g. Also, a method for its preparation and to its uses in the textile field.

Abstract: The invention relates to a process (100) for the recycling of an article based on (meth)acrylic thermoplastic polymer resin, characterized in that it comprises the following steps: introduction (110) of the article into a system suitable for the recycling of thermoplastic polymer, at least partial depolymerization (130) of the (meth)acrylic thermoplastic polymer resin so as to form (meth)acrylate monomers, introduction (140) of a hydrolysis catalyst into a hydrolysis reactor, introduction (150) of water into said hydrolysis reactor, and conversion (160), in the hydrolysis reactor, of at least part of the (meth)acrylate monomers into (meth)acrylic acid. The invention also relates to a system for recycling an article based on (meth)acrylic thermoplastic polymer resin.

Abstract: Provided is an aqueous acidic emulsifying composition comprising a specific amine and a polymerized fatty acid, a process for preparing the composition, a process for preparing bituminous emulsion and to the use of the composition for spreading bitumen.

Abstract: The use, for seamless textile assembly by printing, of a copolyamide including: a) at least one hard segment obtained by polycondensation of at least one of the following: (i) an ?,?-aminocarboxylic acid; (ii) a lactam; and/or (iii) an aliphatic diacid with 6 to 22 carbon atoms and at least one aliphatic diamine with 2 to 14 carbon atoms, and, optionally, b) at least one soft segment obtained by polycondensation of at least one diacid with 4 to 44 carbon atoms with at least one diamine chosen from diamines with 2 to 44 carbon atoms and polyoxyalkylene diamines, the copolyamide having a melting temperature Tm above 80° C. and below 210° C. and a viscosity at 170° C., as measured according to standard ASTM D3236-88 (2009), using a Brookfield rheometer with SC 4-27 spindle, of between 5 Pa·s and 100-200 Pa·s.

Abstract: A method for reducing the crystallization temperature and the melting temperature of a polyamide powder resulting from the polymerization of at least one predominant monomer, in which the reduction in the crystallization temperature is greater than the reduction in the melting temperature, the method including a step of polymerization of the at least one predominant monomer with at least one different minor comonomer polymerized according to the same polymerization process as the at least one predominant monomer, the at least one minor comonomer being chosen from aminocarboxylic acids, diamine/diacid pairs, lactams and/or lactones, and the at least one minor comonomer representing from 0.1% to 20% by weight of the total blend of the monomers(s) and comonomer(s), preferably from 0.5% to 15% by weight of the total blend, preferably from 1% to 10% by weight of the total blend.

Abstract: The invention relates to compounds of formula (I), in which R1, R2, A and n are as defined. The invention also relates to mineral or organic salts thereof; the use of the compounds of formula (I) and/or of one of the salts thereof as a surfactant, a wetting agent, a detergent, an emulsifying agent, a dispersant, a corrosion inhibitor, and the like; and to compositions comprising at least one compound of formula (I) and/or of one of the salts thereof.

Abstract: An insulated conductor including: at least one electrical conductor; and, an insulating coating covering said electrical conductor, having n layer(s), “n” being an integer greater than or equal to 1, the nth layer being the outermost layer having a pseudo-amorphous composition Cn including at least 50% by weight of a polyaryletherketone. A process for manufacturing the insulated conductor, a heat-welding process using two sections of insulated conductor, and a coil capable of being obtained by heat-welding a winding of the insulated conductor.

Abstract: A film, a manufacturing method of the film, a cover film, and a multi-layered electronic device include an elastic layer having a storage modulus index KSM of 20 to 350 Mpa represented by Equation 1 below and a haze of 3% or less, thereby providing the film having substantially low storage modulus variations over a wide temperature range, with good mechanical properties such as excellent elastic recovery force and good optical properties such as low haze, and provide the cover film or the multi-layered electronic device including the same. K SM = ( SM - 40 × SM 80 SM 20 ) - SM 80 [ Equation ? 1 ] Where SMn is a storage modulus (Mpa) measured at a temperature of n° C.

Abstract: The present invention relates to a composition comprising: at least one copolymer of which at least one of the repeating units comprises at least one amide function; and at least one polyether having a molecular weight (Mw) greater than 60 g.mol-1. The invention also relates to the use of said composition for delaying, or even preventing, the formation of gas hydrates, in particular in a method for extracting oil and/or gas and/or condensates, as well as to the method for delaying, or even preventing, the formation and/or agglomeration of gas hydrates, using a composition as defined above.

Abstract: A partially annulated flexible tubular structure located at least partially inside the fuel tank, in particular the gasoline or diesel tank, particularly the gasoline tank, of a vehicle, said structure being capable of being at least partially submerged in said tank and being intended for transporting said fuel into said tank, said tubular structure comprising at least one layer (1) comprising a composition comprising: a. between 39% and 100% by weight, in particular between 41% and 100% by weight, of at least one aliphatic polyamide of formula W/Z, b. between 0% and 4% by weight, and preferably between 0 and 2%, of at least one plasticizer, c. between 0% and 20% of at least one impact modifier, d. between 0% and 37% by weight of at least one additive, the sum of a.+b.+c.+d. being equal to 100% of the total weight of the composition, excluding a fuel transport structure running from the tank to the motor of the vehicle.

Abstract: A nonwoven web obtained by electrospinning, suitable for the filtration of nano- and/or submicron aerosols, including a multiplicity of fibers of composition C1, the composition C1 including at least 50% by weight of at least one polymer P1 based on the repeat unit resulting from vinylidene fluoride (VDF), the fibers of composition C1 having a degree of crystallinity in polar phase(s), preferentially in solely beta phase, of at least 65% by weight, with respect to their total weight. Also, a process for the manufacture of the web, to a membrane including the web and also to a process for the washing/sterilization of the web or of the membrane.

Abstract: A method for making a high temperature composite, which is a carbon carbon composite, carbon fiber reinforced ceramic matrix composite, ceramic fiber reinforced ceramic matrix composite, or a carbon silica composite, including: a) providing a precursor part including a resin comprising a poly(aryl ether ketone) (PAEK) and at least one reinforcing material, wherein the resin has a degree of crystallinity of 10% or more; b) pyrolyzing the precursor part to a pyrolyzed part; c) infusing a liquid second resin into the pyrolyzed part to make an infused part; and d) pyrolyzing the infused part to make the carbon carbon composite carbon fiber reinforced ceramic matrix composite, ceramic fiber reinforced ceramic matrix composite, or the carbon silica composite, optionally repeating steps c. through d. Also, a carbon carbon composite, carbon fiber reinforced ceramic matrix composite, ceramic fiber reinforced ceramic matrix composite, or carbon silica composite made by the method.

Abstract: The invention relates to a composition consisting of 75 to 98 wt %, relative to the weight of the composition, of at least one hydrophilic elastomeric thermoplastic polymer (TPE) A selected from (a1) copolymers containing polyester blocks and polyether blocks, (a2) copolymers containing polyurethane blocks and polyether blocks or polyester blocks and/or mixtures thereof; 2 to 15% by weight, relative to the weight of the composition, of at least one copolymer B comprising units derived from ethylene, from an alkyl (meth)acrylate and from a comonomer comprising at least one acid, anhydride or epoxide function; and 0 to 10% by weight, relative to the weight of the composition, of at least one additive. The invention further relates to a process for manufacturing a film and to said film.

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

Abstract: A composition containing: at least 99.75% by weight of bis(fluorosulfonyl)imide lithium salt; and acetic acid in a content by mass greater than 0 and less than or equal to 400 ppm. A process for preparing the composition, including a) step of preconcentrating a composition C1 including an organic solvent OS1, water and bis(fluorosulfonyl)imide salt, to give a composition C2 including: the lithium salt of bis(fluorosulfonyl)imide in a content ranging from 35% to 50% relative to the total weight of composition C2; water in a mass content of less than or equal to 500 ppm relative to the total mass of composition C2; said preconcentration step being performed at a temperature of less than or equal to 50° C.; b) a step of concentrating composition C2; c) an optional step of crystallizing the composition obtained in step b).

Abstract: The invention is targeted mainly at a process for the preparation of a semifinished product comprising a PAEK-based resin and reinforcing fibers, comprising the stages of: a. preparation of a dispersion comprising a PAEK-based resin in the pulverulent form dispersed in an aqueous phase comprising a surfactant; b. bringing the reinforcing fibers into contact with said aqueous dispersion; c. drying the fibers impregnated with dispersion; and d. heating the impregnated fibers to a temperature sufficient for the melting of the resin, so as to form a semifinished product, characterized in that the surfactant is a thermally stable surfactant. It is furthermore targeted at the dispersion of use in said process. Finally, it is targeted at the semifinished products capable of being obtained and also at their use in the manufacture of composite materials.

Abstract: The invention relates to modified zeolite crystals comprising zeolite crystals and from 0.5% to 20%, by weight, endpoints included, relative to the total weight of modified zeolite crystals, of at least one polymeric compatibilizer, more particularly a functional polyolefin. The invention also relates to the use of the modified zeolite crystals according to the invention as a filler in a polymer matrix, for example for the preparation of composite materials.

Abstract: Molding composition, including by weight: (A) from 38 to 79.5% of at least one semi-crystalline aliphatic polyamide with the exclusion of PA6 and PA66, (B) from 10 to 20% of carbon fibres, (C) from 10 to 20% of hollow glass beads, (D) from 5.5 to 10% of at least one impact modifier having a flexural modulus of less than 200 MPa, in particular less than 100 MPa, as measured according to standard ISO 178: 2010, at 23° C., and (E) from 0.1 to 1% by weight of at least one additive, the sum of the proportions of each constituent (A)+(B)+(C)+(D)+(E) of the composition being equal to 100%.

Abstract: An improved method of grinding polyaryletherketones, providing very good yields and the production of powders of polyaryletherketones with an average diameter below 100 ?m having a narrow size distribution with few fine particles (Dv10>15 ?m). Method of grinding polyaryletherketones of apparent density below 0.9 carried out in a temperature range between 0° C. and the glass transition temperature of the polymer measured by DSC, in order to obtain powders having a particle size distribution (diameters by volume) of d10>15 ?m, 50<d50<70 ?m, 120<d90<180 ?m.