Abstract: The present invention relates to a membrane (M) comprising an amorphous polymer (P) comprising repeat units of the formulas (RU1), (RU2) and (RU3). Moreover, the present invention relates to a process for the preparation of said membrane (M) and a filtration process, wherein a liquid permeates said membrane (M).

Abstract: A polyphenylene sulfone (PPSU) consisting essentially of benzophenone coupled phenylene sulfone segments A and B of formula (I) wherein segments A and B can be same or different and are of formula (II) wherein x is an integer of from 4.5 to 8.

Abstract: Expandable, blowing agent-containing pellets based on high temperature thermoplastics having a glass transition temperature according to ISO 11357-2-1999 of at least 180° C., wherein the expandable, blowing agent-containing pellets comprise at least one nucleating agent and have a poured density according to DIN ISO 697:1982 in the range from 400 to 900 kg/m3 and a mass in the range from 1 to 5 mg/pellet, processes for production thereof and foam particles obtainable therefrom having a glass transition temperature according to ISO 11357-2-1999 of at least 180° C., wherein the expanded foam particles comprise at least one nucleating agent and have a poured density according to DIN ISO 697:1982 in the range from 10 to 200 kg/m3, and particle foams obtainable therefrom and the use thereof for producing components for aviation.

Abstract: The present invention relates to an amorphous polymer (P) comprising segments (S1) containing a sulfone group, segments (S2) containing a ketone group and segments (S3) containing a polyarylene group. Moreover, the present invention relates to a process for the preparation of said amorphous polymer (P), a composition comprising the amorphous polymer (P) and an article comprising the amorphous polymer (P).

Abstract: Expandable, blowing agent-containing pellets based on high temperature thermoplastics having a glass transition temperature according to ISO 11357-2-1999 of at least 180° C., wherein the expandable, blowing agent-containing pellets comprise at least one nucleating agent and have a poured density according to DIN ISO 697:1982 in the range from 400 to 900 kg/m3 and a mass in the range from 1 to 5 mg/pellet, processes for production thereof and foam particles obtainable therefrom having a glass transition temperature according to ISO 11357-2-1999 of at least 180° C., wherein the expanded foam particles comprise at least one nucleating agent and have a poured density according to DIN ISO 697:1982 in the range from 10 to 200 kg/m3, and particle foams obtainable therefrom and the use thereof for producing components for aviation.

Abstract: The invention relates to a compressor wheel for a high-speed compressor composed of a polymer material, having a wheel front side (6), a wheel rear side (11) and a wheel hub (3), wherein the wheel front side (6) has a curvature, by virtue of which the distance between a plane extending radially through the outer circumference (15) of the wheel front side (6) and the surface of the wheel front side (6) increases from the outer circumference (15) toward the wheel hub (3), and guide vanes (7) are arranged on the wheel front side (6). The wheel hub (3) projects in an axial direction on the wheel rear side (11), and reinforcing ribs (13) extend from the wheel hub (3) toward the outer circumference (15), wherein the distance between a plane extending radially through the outer circumference (15) of the wheel rear side (11) and the trailing edge (19) of the reinforcing ribs (13) increases from the outer circumference (15) of the wheel rear side (11) toward the wheel hub (3).

Abstract: The present invention relates to a process for producing thermoset moldings, to the thermoset moldings themselves, to the use of the thermoset moldings as components and to the use of a thermoplastic polymer having a porosity in the range from 10% to 90% for increasing the toughness of a thermoset.

Abstract: The present invention relates to molding compositions comprising (A) from 29 to 89% by weight of at least one polyarylene ether sulfone having an average number of phenolic end groups per chain of from 0 to 0.2, (B) from 0.5 to 20% by weight of a thermotropic polymer, (C) from 0.5 to 10% by weight of a polyarylene ether having predominantly OH end groups, (D) from 10 to 70% by weight of at least one fibrous or particulate filler, (E) from 0 to 40% by weight of additives or processing aids, where the total of the proportions by weight is 100% by weight, based on the thermoplastic molding composition.

Abstract: The present invention relates to a thermoplastic molding composition which comprises the following components: A) from 10 to 50% by weight of at least one polyarylene ether having an average of at most 0.5 phenolic end groups per polymer chain and having no carboxy groups, B) from 5 to 44.5% by weight of at least one polyphenylene sulfide, C) from 10 to 65% by weight of at least one fibrous and/or particulate filler, D) from 0.5 to 20% by weight of an elastic graphite, E) from 0 to 20% by weight of at least one polyarylene ether comprising carboxy groups, F) from 0 to 20% by weight of at least one polyarylene ether having an average of at least 1.5 phenolic end groups per polymer chain and having no carboxy groups, and G) from 0 to 40% by weight of at least one additive where the sum of the proportions by weight of components A) to G) is 100% by weight, based on the molding composition.

Abstract: The use of a fiber-reinforced plastic material as reinforcement strips (2, 6, 7, 14, 15) of a window or door frame hollow profile (1, 10) is provided, with the fiber-reinforced plastic material having an E-module that is >8.000 N/mm2, and preferably >10.000 N/mm2, having a softening temperature of >100° C., and preferably >150° C. and an elongation coefficient of <6·10?5K?1, and preferably <5·10?5K?1 most preferably <4·10?5K?1, in particular fiber-reinforced polybutylenterephtalate, polyetylenterephtalate or a mixture thereof.

Abstract: The present invention relates to thermoplastic molding compositions and moldings with improved wear resistance comprising at least one thermoplastic matrix M, at least one carbon reinforcing fiber F, at least one carbon component K; at least one silicate component S, where the at least one silicate component S comprises particles which have, in any particle dimension, a length/thickness ratio greater than or equal to 3, and at least one titanium dioxide T.

Abstract: The present invention relates to thermoplastic molding compositions and moldings with improved wear resistance comprising at least one thermoplastic matrix M, at least one carbon reinforcing fiber F, at least one carbon component K; at least one silicate component S, where the at least one silicate component S comprises particles which have, in any particle dimension, a length/thickness ratio greater than or equal to 3, and at least one titanium dioxide T.

Abstract: The present invention relates to molding compositions comprising (A) from 29 to 89% by weight of at least one polyarylene ether sulfone having an average number of phenolic end groups per chain of from 0 to 0.2, (B) from 0.5 to 20% by weight of a thermotropic polymer, (C) from 0.5 to 10% by weight of a polyarylene ether having predominantly OH end groups, (D) from 10 to 70% by weight of at least one fibrous or particulate filler, (E) from 0 to 40% by weight of additives or processing aids, where the total of the proportions by weight is 100% by weight, based on the thermoplastic molding composition.

Abstract: The invention relates to a system (1) comprising at least one extruded or injection-molded molding (5) composed of a molding composition comprising a polymer material, where the molding composition comprises at least one filler for reinforcement. The proportion of the filler for reinforcement in the molding composition is in the range from 20 to 80% by weight. The invention further relates to a process for the production of a system (1), where the molding composition comprising the at least one filler for reinforcement is molded through an extrusion process to give the molding (5). The invention further relates to a use of the system (1).

Abstract: The use of a fiber-reinforced plastic material as reinforcement strips (2, 6, 7, 14, 15) of a window or door frame hollow profile (1, 10) is provided, with the fiber-reinforced plastic material having an E-module that is >8.000 N/mm2, and preferably >10.000 N/mm2, having a softening temperature of >100° C., and preferably >150° C. and an elongation coefficient of <6·10?5K?1, and preferably <5·10?5K?1 most preferably <4·10?5K?1, in particular fiber-reinforced polybutylenterephtalate, polyetylenterephtalate or a mixture thereof.

Abstract: A method for producing a molded article, preferably a sheet-type molded article, which method comprises the following stage:

Abstract: A molding, preferably a film-like molding, is produced by a process which comprises the following stage: