Abstract: A composition including: (A) a copolymer having rigid blocks and flexible blocks (TPE), (B) a non-crosslinked polysiloxane silicone, preferably a non-crosslinked polyorganosiloxane, (C) a compatibilizer, improving the compatibility between the TPE and the silicone, the compatibilizer (C) being chosen from a polyolefin or a mixture of polyolefins, and optionally (D) an additive.

Abstract: A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) comprising polyethylene glycol (PEG), with respect to the total composition weight, the copolymer includes in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer.

Abstract: The invention relates to a non-cross-linked copolymer foam with polyamide blocks and polyether blocks, wherein: the polyamide blocks of the copolymer have an average molar mass of from 200 to 1,500 g/mol; the polyether blocks of the copolymer have an average molar mass of from 800 to 2,500 g/mol; and the weight ratio of the polyamide blocks to the polyether blocks of the copolymer is from 0.1 to 0.9. The invention also relates to a method for manufacturing said foam and items manufactured from said foam.

Abstract: The present invention relates to an extrudable polymer composition comprising: 99.5 to 99.95% of at least one hard-soft block copolymer comprising: at least 25% by weight of soft block polyethylene glycol (PEG) with functionality equal to 2, with respect to the total weight in copolymer; from 0.05 to 0.5% by weight of at least one polyol comprising at least three hydroxyl groups, with respect to the total weight of the composition; characterised in that: the weight-average molecular mass of said copolymer is at least equal to 100,000 g/mol; and the weight-average molecular mass of the polyol is at least equal to 1000 g/mol; and said at least one polyol binding hard copolymer blocks by ester bonds. This invention relates in particular to the use of said composition in extrusion processes for manufacturing vapour-permeable objects.

Abstract: The invention relates to a non-cross-linked copolymer foam with polyamide blocks and polyether blocks, wherein: the polyamide blocks of the copolymer have an average molar mass of from 200 to 1,500 g/mol; the polyether blocks of the copolymer have an average molar mass of from 800 to 2,500 g/mol; and the weight ratio of the polyamide blocks to the polyether blocks of the copolymer is from 0.1 to 0.9. The invention also relates to a method for manufacturing said foam and items manufactured from said foam.

Abstract: Provided is a composition including (A) 65% to 95% of a polyamide mixture, (B) 7% to 30% of at least one impact modifier or of at least one core-shell entity or of a mixture thereof, and (C) 0 to 5% of at least one additive chosen from stabilizers, dyes, plasticizers, fibers, fillers, processing aids or a mixture thereof. The composition may be used, for example, to produce an article by extruding, injection molding, molding or thermoforming.

Abstract: The present invention relates to an extrudable polymer composition comprising: 99.5 to 99.95% of at least one hard-soft block copolymer comprising: at least 25% by weight of soft block polyethylene glycol (PEG) with functionality equal to 2, with respect to the total weight in copolymer; from 0.05 to 0.5% by weight of at least one polyol comprising at least three hydroxyl groups, with respect to the total weight of the composition; characterised in that: the weight-average molecular mass of said copolymer is at least equal to 100,000 g/mol; and the weight-average molecular mass of the polyol is at least equal to 1000 g/mol; and said at least one polyol binding hard copolymer blocks by ester bonds. This invention relates in particular to the use of said composition in extrusion processes for manufacturing vapour-permeable objects.

Abstract: The present invention relates to cosmetic compositions used in the care and make-up field. This composition mainly comprising a continuous aqueous phase, a fatty phase and a fine and porous pulverulent copolyamide powder phase, is in the form of creamy, liquid or gelled compositions. This is in particular an emulsion, but it may also be a two-phase formulation or composition in which the fatty phase and aqueous phase are separate. The invention more particularly relates to cosmetic care and/or make-up compositions having a continuous aqueous phase in the case of an oil-in-water emulsion.

Abstract: Provided is a composition including (A) 65% to 95% of a polyamide mixture, (B) 7% to 30% of at least one impact modifier or of at least one core-shell entity or of a mixture thereof, and (C) 0 to 5% of at least one additive chosen from stabilizers, dyes, plasticizers, fibers, fillers, processing aids or a mixture thereof. The composition may be used, for example, to produce an article by extruding, injection molding, molding or thermoforming.

Abstract: The invention relates to a non-cross-linked copolymer foam with polyamide blocks and polyether blocks, wherein: the polyamide blocks of the copolymer have an average molar mass of from 200 to 1,500 g/mol; the polyether blocks of the copolymer have an average molar mass of from 800 to 2,500 g/mol; and the weight ratio of the polyamide blocks to the polyether blocks of the copolymer is from 0.1 to 0.9. The invention also relates to a method for manufacturing said foam and items manufactured from said foam.

Abstract: A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) inlcuding polyethylene glycol (PEG), with respect to the total composition weight, said copolymer being characterized in that it includes in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer.

Abstract: The application relates to a composition having improved dimensional stability and comprising an amorphous polyamide or a mixture of amorphous polyamides, and a semi-crystalline polyamide for which the average number of carbon atoms (C) relatively to the nitrogen atom (N) is greater than or equal to 8 or a mixture of semi-crystalline polyamides wherein the average number of carbon atoms (C) relatively to the nitrogen atom (N) of each of the semi-crystalline polyamides is greater than or equal to 8, to its preparation method and to its uses.

Abstract: The present invention relates to a powder of polyamide PA (homopolyamide or copolyamide) derived at least partially from renewable materials, in which the particles have a nonspherical shape and a volume median diameter of less than or equal to 20 ?m. The present invention also relates to a process for preparing such a powder.

Abstract: The invention relates to a method for producing free powder particles of polyamide, impregnated with at least one cosmetic or pharmaceutical agent. The present invention also relates to free powder particles of polyamide having a content of at least 25% by weight of a cosmetic or pharmaceutical agent other than water, to the use of said particles in a cosmetic, pharmaceutical or perfumery products, and to compositions containing such particles.

Abstract: The present invention relates to a powder of polyamide PA (homopolyamide or copolyamide) derived at least partially from renewable materials, in which the particles have a nonspherical shape and a volume median diameter of less than or equal to 20 ?m. The present invention also relates to a process for preparing such a powder.

Abstract: The present invention relates to a powder of polyamide PA (homopolyamide or copolyamide) derived at least partially from renewable materials, in which the particles have a nonspherical shape and a volume median diameter of less than or equal to 20 ?m. The present invention also relates to a process for preparing such a powder.

Abstract: A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) including polyethylene glycol (PEG), with respect to the total composition weight, said copolymer including in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer. Also, the use of a composition of this type for the manufacture of at least a portion of the following items: an industrial part, an automobile part, a safety accessory, sign, luminous strip, signalling and advertizing panel, display, etching, furniture, shop fitting, decoration, contact ball, dental prosthesis, ophthalmological implant, membrane for hemodialysis, optic fibers, artwork, sculpture, camera lenses, disposable camera lenses, printing support, in particular a support for direct printing with UV inks for pictures, photographs, window glass, panoramic roof.

Abstract: The invention relates to a method for the production of biosourced aliphatic polyester powder having a volume median diameter of less than 30 ?m, comprising: a step consisting in supplying an aliphatic polyester having an inherent viscosity of less than 0.5 dl/g; and a step consisting in grinding the polyester, so as to obtain a polyester powder having a volume median diameter of less than 30 ?m. The invention also relates to a powder in which the particles have a volume median diameter of less than 30 ?m and are impregnated with a compound selected from among polyols and/or carboxylic acids. The invention further relates to the use of the powder for the production of cosmetic, pharmaceutical and perfume products.

Abstract: The invention relates to a method for the production of biosourced aliphatic polyester powder having a volume median diameter of less than 30 ?m, comprising: a step consisting in supplying an aliphatic polyester having an inherent viscosity of less than 0.5 dl/g; and a step consisting in grinding the polyester, so as to obtain a polyester powder having a volume median diameter of less than 30 ?m. The invention also relates to a powder in which the particles have a volume median diameter of less than 30 ?m and are impregnated with a compound selected from among polyols and/or carboxylic acids. The invention further relates to the use of the powder for the production of cosmetic, pharmaceutical and perfume products.

Abstract: The invention relates to a method for obtaining polyamide or copolyamide particles which are spheroidal and whose average diameter is between 40 and 150 ?m, preferably between 60 and 100 ?m. Said method consists of introducing a mineral charge, preferably silica, having an average diameter of 1-30 ?m into the reaction mixture. The invention also relates to a polyamide or copolyester amide powder and to the use thereof in order to manufacture coatings, ink compositions, paint compositions, cosmetic compositions, pharmaceutical compositions, alloys with metal powders or metal oxide powders and parts by agglomerating said powder by laser sintering, IR radiation or UV radiation.