Abstract: A scratch-resistant thermoplastic polymer composition (P) comprising 40 to 99.9 wt.-% of at least one styrene-based copolymer, 0.1 to 20 wt.-% of at least one inorganic metal compound nanoparticle, and optionally at least one polymeric compatibilizing agent, at least one modified polysiloxane compound, at least one colorant, dye or pigment, and/or at least one further additive has improved scratch properties.

Abstract: Scratch-resistant thermoplastic polymer compositions (P) comprising 90 to 99.9 wt.-% of at least one styrene-based copolymer, 0.1 to 10 wt.-% of an aliphatic amide wax additive comprising at least one aliphatic amide wax composition having a melting point in the range of 80° C. to 115° C., and optionally at least one colorant, dye, pigment and/or further additive, have improved properties.

Abstract: Thermoplastic polymer compositions (P) comprising at least one styrene-based polymer composition (A) comprising at least one graft copolymer (A-1), at least one organopolysiloxane compound, and optionally at least one colorant, dye or pigment, and/or at least one further additive, shows improved properties with respect to residual gloss after abrasion combined with improved melt flow characteristics while heat resistance is not affected.

Abstract: A scratch-resistant thermoplastic polymer composition (P) comprising 88 to 99.9 wt.-% of at least one styrene-based copolymer, 0.1 to 5 wt.-% of at least one modified organopolysiloxane compound, and optionally at least one colorant, dye or pigment, and/or at least one further additive, provides with improved properties.

Abstract: The invention relates to a styrene copolymer composition comprising a) 60 to 99.9% by weight of styrene-based polymer matrix component A, b) 0.1 to 5% by weight of PMMA-based, cross-linked polymer bead as light diffuser component B, wherein the polymer beads have an average particle diameter from 0.5 to 20 ??? and a refractive index ranging from 1.34 to 1.55, and c) 0 to 39.9% by weight of further component C, different to A and B, wherein the sum of components A) to C) is 100% by weight and the composition exhibits a light transmittance greater than 80%, a haze greater than 90% and a Yellowness Index less than 4.5.

Abstract: Thermoplastic resin composition comprising: (a1) at least one styrene-acrylonitrile copolymer component A1, (a2) at least one acrylonitrile styrene acrylate graft copolymer A2 as impact modifier, (a3) optionally at least one thermoplastic polymer A3 other than components A1 and A2, (b) at least one pigment B, (c) at least one hindered amine UV light stabilizer C1 and at least one UV ab-sorber C2 different from C1, and (d) optionally further polymer additives D, other than components B, C1, C2, and E, (e) at least one metal scavenger component E.

Abstract: The present invention relates to a fibre composite material W of increased translucency and/or mechanical strength, comprising a copolymer C encompassing monomers A-1, where A-1 form covalent bonds with functional groups B-1 on the surface of fibres B embedded in the fibre composite material W, and this fibre composite material W has greater translucency and/or mechanical strength than a fibre composite material Win which the copolymer C contains no A-1. The present invention further embraces a method for producing a fibre composite material W of increased translucency and/or mechanical strength.

Abstract: The invention relates to polymer blends of a styrene copolymer A selected from the group consisting of styrene acrylonitrile copolymers (SAN), styrene acrylonitrile maleic anhydride terpolymers (SMA), styrene acrylic copolymers, acrylonitrile butadiene styrene terpolymers (ABS), acrylonitrile butadiene styrene terpolymers with polyamide (ABS/PA), and acrylonitrile styrene acrylate terpolymers (ASA); and at least one copolymer B selected from the group consisting of styrene-butadiene block copolymers (SBC) and styrene-isoprene block copolymers (SIS); wherein the mold shrinkage of the polymer blend is reduced by at least 5% compared to the mold shrinkage of the pure styrene copolymer A.A process for the preparation of the polymer blends and the uses of the polymer blends in an injection molding process are described.

Abstract: The invention relates to graft copolymers—based on non-cross-linked acrylate soft phases from which styrenic monomers are grafted—with a defined micro-structure, having a high transparency, toughness and weather resistance (UV-stability), a process for their preparation and their use, and also to polymer blends comprising said graft copolymers and styrenic polymers, and shaped articles produced therefrom and their use.

Abstract: The invention relates to a process for producing thermoplastic molding materials based on acrylonitrile-styrene-acrylate copolymers (ASA) having improved surface properties, in particular an improved stability of surface quality during storage in a hot and humid environment and a reduced content of residual monomers. The invention further relates to the use of a fluidized bed dryer and/or a flow dryer in the production of thermoplastic ASA molding materials for improving surface quality and the use of a fluidized bed dryer and/or a flow dryer in the production of thermoplastic ASA molding materials for reducing the content of residual monomers. The invention further provides ASA molding materials producible by means of the process according to the invention and also moldings.

Abstract: The invention relates to graft copolymers—based on non-cross-linked acrylate soft phases from which styrenic monomers are grafted—with a defined micro-structure, having a high transparency, toughness and weather resistance (UV-stability), a process for their preparation and their use, and also to polymer blends comprising said graft copolymers and styrenic polymers, and shaped articles produced therefrom and their use.

Abstract: Method for producing a thermoplastic moulding compound containing: up to 40 wt. % of a graft copolymer A, containing 50-70 wt. % graft base A1 from an acrylic ester polymer and 30-50 wt. % of a graft shell A2, and 0-90 wt. % of a hard matrix B, wherein the reaction for producing the graft copolymer A is carried out in the presence of 0.01 to 4 times the molar amount of sodium carbonate, relative to the molar amount of initiator, wherein the reaction for producing copolymer A is carried out in the presence of 0.1 to 1 wt. % of an emulsifier relative to the amount of the respective monomers used, and wherein during the polymerisation reaction, during the post-polymerisation and/or after the polymerisation reaction, water or an aqueous alkali solution are added to the reaction mixture for producing the graft copolymer A.

Abstract: Thermally conductive polymer (TCP) resin compositions are described, comprising components (X) and (Y): 90 to 99.9% component (X) comprising components (I) and (II): 60 to 85% matrix polymer (I) comprising styrenic polymers (F) selected from: ABS resins, ASA resins, and elastomeric block copolymers of the structure (S—(B/S))n—S; 15 to 40% thermally conductive filler material (II) (D50 1 to 200 ???), consisting of a ceramic material and/or graphite; 0.1 to 10% chemical foaming agent (Y). Shaped articles made thereof can be used for automotive applications, as a heat sink for high performance electronics, LED sockets or electrical and electronic housings.

Abstract: Thermally conductive polymer (TCP) resin composition (i) or (ii) are described, comprising components (I) and (II): (i) 40 to 72% by volume of at least one matrix polymer (I); 28 to 60% by volume of a thermally conductive filler material (II) (D50 0.1 to 200 ?m) consisting of aluminosilicate (II-1) in combination with a further component (II-2) selected from: multi wall carbon nanotubes, graphite and and boron nitride, wherein the volume ratio (ll-1)/(ll-2) is 30:1 to 0.1:1; or (ii) 40 to 65% by volume of at least one matrix polymer (I); 35 to 60% by volume of aluminosilicate (II) (D50 0.1 to 200 ?m); wherein the matrix polymer (I) comprises styrenic polymers (I?) selected from: ABS resins, ASA resins, and elastomeric block copolymers. Shaped articles made thereof can be used as “Cool Touch” surfaces for automobile interior, motor housings, lamp housings and electrical and electronic housings and as heat sinks for high performance electronics or LED sockets.

Abstract: Thermally conductive polymer (TCP) resin compositions are described, comprising: 50 to 75% matrix polymer (I) comprising styrenic polymers (F) such as ABS (acrylonitrile-butadiene-styrene) resins, ASA (acrylonitrile-styrene-acrylate) resins and elastomeric block copolymers of the structure (S-(B/S))n-S; and 25 to 50% thermally conductive filler material (II) (D50 0.1 to 200 ?m), consisting of carbonyl iron powder (II-1) in mixture with multi wall carbon nanotubes, silicon carbide, diamond, graphite, aluminosilicates and/or boron nitride (II-2); wherein the volume ratio of (II-1)/(II-2) is 15:1 to 0.1:1. Shaped articles made thereof can be used for materials with antistatic finish, electrical and electronic housings, toys and helmet inlays.

Abstract: The present invention relates to a fibre composite material W of increased translucency and/or mechanical strength, comprising a copolymer C encompassing monomers A-1, where A-1 form covalent bonds with functional groups B-1 on the surface of fibres B embedded in the fibre composite material W, and this fibre composite material W has greater translucency and/or mechanical strength than a fibre composite material Win which the copolymer C contains no A-1. The present invention further embraces a method for producing a fibre composite material W of increased translucency and/or mechanical strength.

Abstract: The invention relates to a styrene copolymer composition comprising a) 60 to 99.9% by weight of styrene-based polymer matrix component A, b) 0.1 to 5% by weight of PMMA-based, cross-linked polymer bead as light diffuser component B, wherein the polymer beads have an average particle diameter from 0.5 to 20 ??? and a refractive index ranging from 1.34 to 1.55, and c) 0 to 39.9% by weight of further component C, different to A and B, wherein the sum of components A) to C) is 100% by weight and the composition exhibits a light transmittance greater than 80%, a haze greater than 90% and a Yellowness Index less than 4.5.

Abstract: The present invention relates to a process for the extraction of metals from an aqueous phase by means of specific ionic liquids.

Abstract: The present invention relates to a process for the extraction of metals from an aqueous phase by means of specific ionic liquids.