Abstract: The present invention relates to a thermoplastic molding composition containing: a) from 3 to 94.6% by weight of one or more styrene copolymers as component A, b) from 5 to 95.2% by weight of one or more impact-modifying graft rubbers having no olefinic double bond in the rubber phase as component B c) from 0.2 to 0.9% by weight of a compound of the formula (I) as component C: The invention also relates to a process for producing the thermoplastic molding composition and a process for producing a molding, foil, or fiber which utilizing the thermoplastic molding composition. The invention further relates to a molding, fiber, or foil made of the thermoplastic molding composition.

Abstract: The present invention relates to a process for the production of thermoplastic molding compositions, in particular styrene copolymer compositions, to a process for production of these, and also to use thereof. The thermoplastic molding compositions produced by a process of the invention offer improved temperature-resistance and mechanical properties, which have better flow properties than known molding compositions.

Abstract: The present invention relates to a thermoplastic molding composition comprising a) 77.7% to 99.7% by weight of one or more styrene copolymers, as component A b) 0.1% to 5% by weight of the compounds of the formulae I, II, III, IV, and V, or isomers thereof, as component B: c) 0.2% to 0.7% by weight of a compound of the formula (VI), as component C: d) 0.2% to 0.7% by weight of a mixture of the formula (VII), as component D: e) 0% to 0.5% by weight of a compound of the formula (VIII) as component E: ?or 0% to 0.5% by weight of a compound of the formula (X): ?or 0% to 0.5% by weight of a compound of the formula (XI): f) 0% to 10% by weight of one or more additives which are different from components B, C, D, and E, as component F, and the percentage by weight being based in each case on the total weight of components A to F and together making up 100% by weight.

Abstract: Process for the production of asymmetric, star-branched block copolymers which comprise, incorporated into the polymer, from 60 to 95% by weight of vinylaromatic and from 40 to 5% by weight of a conjugated diene having from 4 to 5 C atoms, based on the branched block copolymer, via sequential anionic polymerization and subsequent coupling of the resultant living block-copolymer anions by a coupling agent, and also vinylaromatic-diene block copolymers obtainable via the process and use of these for moldings and for thermoforming foils.

Abstract: Thermoplastic moulding composition (F), comprising: A) from 5 to 80% by weight of a graft polymer (A) having bimodal particle size distribution and a moisture content of 0 to 27% by weight, made, based on (A), a1) from 40 to 90% by weight of an elastomeric particulate graft base (a1), obtained by emulsion polymerization of, based on (a1), a11) from 70 to 100% by weight of at least one conjugated diene, or of at least one C1-8-alkyl acrylate, or of mixtures of these, a12) from 0 to 30% by weight of at least one other monoethylenically unsaturated monomer and a13) from 0 to 10% by weight of at least one polyfunctional, cross linking monomer; a2) from 10 to 60% by weight of a graft a2), made, based on a2), a21) from 64 to 76% by weight of at least one vinyl aromatic monomer, a22) from 24 to 36% by weight of acrylonitrile, a23) from 0 to 30% by weight of at least one other monoethylenically unsaturated monomer, and a24) from 0 to 10% by weight of at least one polyfunctional, cross linking monomer; B) from 10 to 9

Abstract: The invention relates to a polymer mixture made of styrene/nitrile monomer copolymers and of graft copolymers based on acrylate rubbers, and also to thermoplastic moulding compositions and mouldings produced therefrom and use of these.

Abstract: A thermoplastic molding compound that has proved to be extremely weather-resistant and low-emission containing the following components: A) 3-77% by weight of one or more styrene copolymers, component A; B) 15-89% by weight of one or more polyamides, component B; C) 5-50% by weight of two or more graft rubbers without olefinic double bonds in the rubber phase, component C; D) 1-25% by weight of a terpolymer of styrene, acrylonitrile and maleic anhydride, component D; E) 2-30% by weight of rubber based on olefinic monomers, component E; F) 0-50% by weight of fibrous or particulate filler or mixtures thereof, component F; G) 0-40% by weight of further additives, component G.

Abstract: A thermoplastic elastomer composition, containing a) 5 to 99 wt % of a block copolymer, which is constructed of hard blocks (A) made of vinyl aromatic monomers and one or more random soft blocks (B) of non-hydrogenated or hydrogenated block copolymer materials made of dienes and vinyl aromatic monomers, b) 1 to 95 wt % of a plasticizer having a higher polarity than white oil and a lower polarity than dinonyl adipate, c) 0 to 50 wt % of a polyolefin, and d) 0 to 60 wt % of additives, has advantageous properties in regard to processability.

Abstract: The invention relates to a thermoplastic molding compound containing: a) 50 to 85 parts of one or more terpolymers based on acrylnitril, alpha-methylstyrene, and styrene as component A, said terpolymers consisting of: 5 to 30 wt. % styrene, 15 to 35 wt. % acrylnitril, 50 to 70 wt. % alpha-methylstyrene, and 0 to 5 wt. % additional copolymerizable monomers, b) 15 to 50 parts of one or more impact-modifying graft rubbers with an olefinic double bond in the rubber phase as component B, c) 0 to 45 parts of one or more copolymers based on styrene and acrylnitril as component C, said copolymers consisting of: 71 to 81 wt. % styrene, 29 to 19 wt. % acrylnitril, and 0 to 5 wt. % additional copolymerizable monomers, and optionally additives and fibrous and/or particulate fillers. The thermoplastic molding compound leads to a reduced yellowing of the produced molded body.

Abstract: Process for producing a polymer-graphite nanocomposite, which comprises the steps a) oxidation of graphite to graphite oxide, b) conversion of the graphite oxide into an aqueous dispersion, c) mixing of the aqueous dispersion comprising graphite oxide or, if appropriate, reduced graphite oxide which is obtained from b) with an aqueous polymer dispersion comprising at least one polymer and d) separating off the polymer-graphite mixture from the aqueous phase, wherein the graphite oxide which has been oxidized in step a) is reduced to graphite between step b) and c) or between step c) and d).

Abstract: A mixture which comprises from 5 to 50% by weight of a block copolymer A, which comprises one or more copolymer blocks (B/S)A each composed of from 65 to 95% by weight of vinylaromatic monomers and from 35 to 5% by weight of dienes and of a glass transition temperature TgA in the range from 40° to 90° C.; from 95 to 50% by weight of a block copolymer B, which comprises at least one hard block S composed of vinylaromatic monomers and comprises one or more copolymer blocks (B/S)B each composed of from 20 to 60% by weight of vinylaromatic monomers and from 80 to 40% by weight of dienes and of a glass transition temperature TgB in the range from ?70° to 0° C.; from 0 to 45% by weight of polystyrene or of a block copolymer C other than A and B; and from 0 to 6% by weight of a plasticizer; and its use for production of shrink films.

Abstract: The invention relates to a method for producing thermoplastic molding compounds, comprising: A) 40 to 99 wt % of at least one thermoplastic polymer, B) 1 to 60 wt % of a flame-proofing agent component containing an expandable graphite, and C) 0 to 60 wt % of further additives, by melt-mixing components A), B) and C) in a screw-type extruder, wherein the screw-type extruder, along the feed direction, comprises, in the following order, at least one dosing zone, a plastifying zone, a homogenizing zone, a second dosing zone, and a discharge zone, in that the dosing takes place into the screw-type extruder having the length L, wherein the length L is defined as the section starting with the first dosing unit for adding components A, B and/or C and ending, in the feed direction, at the discharge opening, a melt is generated after adding components A, B and C in the range of 0 liter to 0.

Abstract: Molding compositions comprising: a composition (I) present in an amount of 10 to 100% by weight, based on the molding composition, wherein the composition (I) comprises: (A) 40 to 95% by weight, based on the composition (I), of a copolymer comprising: ?-methylstyrene in an amount of 55 to 90% by weight, acrylonitrile in an amount of 10 to 50% by weight, and one or more other monomers in an amount of 0 to 5% by weight, wherein the percentages by weight of the ?-methylstyrene, the acrylonitrile and the one or more other monomers are based on the weight of component (A); (B) 2.5 to 75% by weight, based on the composition (I), of a polymer comprising: a vinylaromatic monomer in an amount of 60 to 90% by weight, acrylonitrile in an amount of 8.01 to 39.8% by weight, and maleic anhydride in an amount of 0.2 to 1.99% by weight, wherein the percentages by weight of the vinylaromatic monomer, the acrylonitrile and the maleic anhydride are based on the weight of component (B); and (C) 2.