Abstract: Thermoplastic polymer mixture (M) comprising at least one poly(aryl ether ketone) (P1), at least one poly(arylene sulfide) (P2), and between 0 and 25 wt. % of the total weight of the thermoplastic mixture (M), of a thermoplastic polymer material (P3) consisting of (i) at least one poly(biphenyl ether sulfone) (P3a), and/or (ii) at least one poly(ether imide) (P3b), and/or at least one poly(ether imide sulfone) (P3c), wherein: the combined weight amount of the poly(aryl ether ketone) (P1) and the poly(arylene sulfide) (P2), based on the total weight of the polymer mixture (M), is of at least 30%, and the weight amount of the poly(aryl ether ketone) (P1), based on the combined weight of the poly(aryl ether ketone) (P1) and the poly(arylene sulfide) (P2), is of at most 90%.

Abstract: A composition, having an improved resistance to yellowing under heat aging, comprising at least 20 weight % of at least one polycondensation polymer having a heat deflection temperature of above 80° C. under a load of 1.82 MPa when measured according to ASTM D648, from 0 to 5 weight % of at least one polymer having a heat deflection temperature of at most 80° C. under a load of 1.82 MPa when measured according to ASTM D648, a white pigment; and a black pigment provides resistance to heat aging induced yellowing. The polycondensation polymers are advantageously selected from the group consisting of polyarylethersulfones, at least partially aromatic polyamides, polyamideimides, liquid crystalline polymers, polyimides, polyetherimides, polyaryletherketones, and polyphenylene sulfides. The polymer composition can be molded to form a variety of articles, including LED components, such as reflectors, reflector cups, and scramblers.

Abstract: A filter assembly comprising a frame and a fabric mounted on said frame, wherein said fabric comprises fibers (F) comprising at least one polymer material (P) selected from the group consisting of a poly(biphenyl ether sulfone), a poly(imide sulfone) and blends thereof, and, passing through said filter assembly, a coal combustion flue gas

Abstract: 4,4?-Biphenol polysulfone composition comprising: as main ingredient, at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting 4,4?-biphenol with at least one sulfone monomer SM1 (Bo1 PSU), more than 0.01% by weight, based on the total weight of the composition, of at least one phosphorus-containing compound chosen from organic phosphites and organic phosphonites, and at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting bisphenol A with at least one sulfone monomer SM2(Bo1 A PSU). 4,4?-Biphenol polysulfone composition containing at least 60% by weight, based on the total weight of the 4,4?-biphenol polysulfone composition, of at least one Bo1 PSU, said composition having a melt viscosity ratio at 410° C. and at a shear rate of 50 s?1 (VR40) of below 1.20. Process which is especially well-suited to prepare the above compositions. Articles made from the above compositions or prepared by the above process.

Abstract: A container for an alkaline solution comprising a polysulfone resin and an acrylate core-shell rubber impact modifier and optionally a polycarbonate. The container can be fabricated by injection molding or thermoforming from an extruded sheet. The container is well suited as a case for aqueous KOH electrolyte batteries.

Abstract: A polysulfone composition is provided having a total luminous light transmittance of 84% or greater when measured on 0.1 inch thick specimens using ASTM D-1003. The specimens also meet at least one of the following two conditions: 1) a yellowness index (YI) of less than about 5.0 as measured according to ASTM D-1925 on 0.1 inch thick specimens, or 2) a color factor (CF) of less than about 25, wherein CF is defined by the following equation: CF=270[(x+y)sample?(x+y)air]/t wherein x and y are chromaticity coordinates measured in transmittance mode and t is sample thickness in inches. Another polysulfone composition is provided comprising a polysulfone, an organic phosphorous-containing melt stabilizer, and at least one of the following additives: a blue to violet dye, and an organic optical brightener. The polysulfone composition of the present invention is used to form transparent molded articles such as ophthalmic lenses.

Abstract: The present invention relates to an orthopedic tool made of a plastic material (M) comprising at least one semi-aromatic polyamide (P) comprising more than 50 mole % of recurring units obtained by the polycondensation reaction between at least one aliphatic diacid or derivative thereof and at least one aromatic diamine. In particular, hip rasp consisting essentially of at least one plastic material comprising at least one PMXDA polymer.

Abstract: Fabric comprising a plurality of fibers (F) comprising at least one polymer material (P) selected from the group consisting of: (1) a blend (B12) composed of at least one poly(aryl ether ketone) and at least one poly(aryl ether sulfone); (2) a polymer (P3) comprising sulfone groups, ketone groups and arylene groups, and (3) a blend (B123) thereof. Filter assemblies and filtration systems incorporating such fabric.

Abstract: Blend (B) comprising: at least one aromatic polycarbonate (P1), and at least one polyarylene (P2), more than 50 wt. % of the recurring units thereof are optionally substituted arylene groups [recurring units (R2)], each of said recurring units (R2) being linked by each of its two ends to two other optionally substituted arylene groups via a direct C—C linkage, and said recurring units (R2) being a mix (M) consisting of: between 0 and 75 mole %, based on the total number of moles of recurring units (R2), of rigid rod-forming arylene units (R2a), optionally substituted by at least one monovalent substituting group, with between 25 and 100 mole %, based on the total number of moles of recurring units (R2), of kink-forming arylene units (R2b), optionally substituted by at least one monovalent substituting group. Article or part of an article comprising the blend (B).

Abstract: Polymer composition comprising (i) at least one semi-crystalline polymer (SCP) chosen from polyamides, polyaryletherketones, liquid crystal polymers, polyalkylene phthalates, polycarbonates, polyarylene sulphides and polyarylene oxides, and (ii) at least one oxide (OX) chosen from acid oxides of an element having an electronegativity of at most 2.2 and amphoteric oxides, and (iii) at least one nitride (NJ) of an element having an electronegativity of from 1.3 to 2.5. Article comprising at least one part comprising the polymer composition as above described. Part of an article comprising the polymer composition as above described.

Abstract: A polysulfone having a first polyphenylene sulfone unit (i.e. PPSU unit) based on one biphenol group and one diphenyl sulfone group and a second sulfone unit (i.e. PSU-AF unit) based on one hexafluorobisphenol A group and one diphenylsulfone group. The polysulfone is transparent and has a total heat release and peak heat release of less than 65 kW·min/m2 and 65 kW/m2, respectively. Compositions containing the polysulfone and articles made by molding and/or extruding the polysulfone.

Abstract: Multilayer structure comprising at least one couple (L1-L2) of adjacent layers (L1) and (L2), wherein: the layer (L1) comprises at least one polymer composition (C1) comprising: (i) at least one semi-aromatic polyamide, and (ii) at least one impact modifier (I1); the layer (L2) comprises at least one polymer composition (C2) comprising: (i) at least one un-functionalized polyolefin (PO2); (ii) at least one functionalized polyolefin (FPO2), the functionalized polyolefin comprising functional groups chosen from carboxylic groups, their esters, their anhydrides and their salts. Process for manufacturing such multilayer structure, which comprises co-extruding or co-blowmolding polymer compositions (C1) and (C2) so as to obtain one couple (L1-L2) of adjacent layers (L1) and (L2). Shaped article comprising such multilayer structure and process for manufacturing the shaped article.

Abstract: Polymer composition (C) comprising: at least one poly(aryl ether ketone) (P1), at least one poly(biphenyl ether sulfone) (P2), and at least one fibrous carbon nanofiller (N). Article or part of an article comprising the polymer composition (C).

Abstract: Use of at least one kinked rigid-rod polyarylene of a specific type for its fire resistance properties. Films and coatings consisting of a material comprising the same kinked rigid-rod polyarylene.

Abstract: Polyamide having a melting point between 330° C. and 370° C., said polyamide comprising: a diamine component (a) comprising between 0 and 55 mole %, based on the total number of moles of the diamine component (a), of at least one aliphatic diamine having more than 6 carbon atoms, and between 45 and 100 mole %, based on the total number of moles of the diamine component (a), of at least one aliphatic diamine having at most 6 carbon atoms, and a dicarboxylic acid component (b) comprising more than 50 mole %, based on the total number of moles of the dicarboxylic acid component (b), of terephthalic acid, with the exception of a certain specific polyamide (P*).

Abstract: Article (A) comprising at least one metal component (M), said metal component (M) being overmolded with at least one polymer composition (C) comprising at least one high glass transition temperature sulfone polymer (P). Process for producing article (A), which comprises the step of applying polymer composition (C) to a surface of metal component (M).

Abstract: The invention relates to a sulfone polymer composition comprising: at least one high glass transition temperature sulfone polymer (A); at least one miscible polymer (B); and at least one immiscible polymer (C). The invention also relates to a process for manufacturing the sulfone polymer composition and to the articles thereof. The sulfone polymer composition of the invention possesses notably thermal performances and processability advantages in addition to minor cost with respect to high glass transition temperature sulfone polymers taken done.

Abstract: Medical device (?) comprising at least one part (?) consisting of a polymer material (M) comprising at least one kinked rigid-rod polyarylene (P) of which more than 50 wt. % of the recurring units are recurring units (R) of one or more formulae consisting of an optionally substituted arylene group which is linked by each of its two ends to two other optionally substituted arylene groups via a direct C—C linkage. The recurring units (R) are a mix (?) consisting of (i) between 0 and 75 mole %, of rigid rod-forming arylene units (Ra) and (ii) between 25 and 100 mole % of kink-forming arylene units (Rb), both contents being based on the total number of moles of the recurring units (R). Arylene units (Ra) and/or (Rb) may be optionally substituted by at least one monovalent substituting group.

Abstract: Polyarylene compositions comprising polyarylenes of two different specific types offering an exceptionally high level of strength and stiffness as well as improved properties such as elongability, impact resistance and fire resistance. Articles or a part thereof made from such polyarylene compositions and in particular those selected from the group consisting of films, fibers, coatings and membranes.

Abstract: Blend (B) comprising: at least one aromatic polyimide (P1), and at least one polyarylene (P2), more than 50 wt. % of the recurring units thereof are optionally substituted arylene groups [recurring units (R2)], each of said recurring units (R2) being linked by each of its two ends to two other optionally substituted arylene groups via a direct C—C linkage, and said recurring units (R2) being a mix (M) consisting of: between 0 and 75 mole %, based on the total number of moles of recurring units (R2), of rigid rod-forming arylene units (R2a), optionally substituted by at least one monovalent substituting group, with between 25 and 100 mole %, based on the total number of moles of recurring units (R2), of kink-forming arylene units (R2b), optionally substituted by at least one monovalent substituting group. Article or part of an article comprising the blend (B).