摘要:
Processes for producing thermoplastic molding compositions, which comprise a) from 3 to 79% by weight of one or more (methyl)styrene-acrylonitrile copolymers, which have no maleic-anhydride-derived units, b) from 15 to 91% by weight of one or more polyamides, c) from 5 to 50% by weight of one or more rubbers, d) from 1 to 25% by weight of one or more compatibilizers, e) from 0 to 2% by weight of one or more low-molecular-weight compounds which comprise a dicarboxylic anhydride group, f) from 0 to 50% by weight of one or more fibrous or particulate fillers, and g) from 0 to 40% by weight of further additives, by producing a melt comprising components A, B, and C in a first step and subsequently incorporating D, Also, thermoplastic molding compositions obtainable by these processes, the use of these thermoplastic molding compositions, and moldings, fibers, and foils comprising these thermoplastic molding compositions.
摘要:
Processes for producing thermoplastic molding compositions, which comprise a) from 3 to 79% by weight of one or more (methyl)styrene-acrylonitrile copolymers, which have no maleic-anhydride-derived units, b) from 15 to 91% by weight of one or more polyamides, c) from 5 to 50% by weight of one or more rubbers, d) from 1 to 25% by weight of one or more compatibilizers, e) from 0 to 2% by weight of one or more low-molecular-weight compounds which comprise a dicarboxylic anhydride group, f) from 0 to 50% by weight of one or more fibrous or particulate fillers, and g) from 0 to 40% by weight of further additives, by producing a melt comprising components A, B, and C in a first step and subsequently incorporating D, Also, thermoplastic molding compositions obtainable by these processes, the use of these thermoplastic molding compositions, and moldings, fibers, and foils comprising these thermoplastic molding compositions.
摘要:
The invention relates to processes for producing thermoplastic molding compositions, where the thermoplastic molding compositions comprise a) as component A, from 3 to 79% by weight of one or more (methyl)styrene-acrylonitrile copolymers, which have no maleic-anhydride-derived units. b) as component B, from 15 to 91% by weight of one or more polyamides, c) as component C, from 5 to 50% by weight of one or more rubbers, d) as component D, from 1 to 25% by weight of one or more compatibilizers, e) as component E, from 0 to 2% by weight of one or more low-molecular-weight compounds which comprise a dicarboxylic anhydride group, f) as component F, from 0 to 50% by weight of one or more fibrous or particulate fillers, and g) as component G, from 0 to 40% by weight of further additives, where each of the % by weight values is based on the total weight of components A to G, and these give a total of 100% by weight, via mixing of components A to G in the melt, which comprises producing a melt comprising components A, B, and C in a first step of the process, in the absence of component D, and delaying the mixing to incorporate component D into this melt until a subsequent second step of the process, and also to thermoplastic molding compositions obtainable by these processes, the use of these thermoplastic molding compositions, and also moldings, fibers, and foils comprising these thermoplastic molding compositions.
摘要:
The thermoplastic molding composition comprises a) as component A, from 3 to 79% by weight of one or more styrene copolymers which have no units derived from maleic anhydride, b) as component B, from 15 to 91% by weight of one or more polyamides having, based on the entire component B, from 0.1 to 0.2% by weight of triacetonediamine (TAD) end groups, c) as component C, from 5 to 50% by weight of one or more impact-modifying rubbers, d) as component D, from 1 to 25% by weight of a styrene copolymer which, based on the entire component D, has from 1.9 to 2.3% by weight of units derived from maleic anhydride, e) as component E, from 0 to 40% by weight of further rubbers, f) as component F, from 0 to 50% by weight of one or more fibrous or particulate fillers, g) as component G, from 0 to 40% by weight of further additives, where the molding composition comprises less than 0.1% by weight of phthalic anhydride and the total amount of components A to D and, if appropriate, E to G is 100% by weight.
摘要:
Thermoplastic molding compositions comprising: a) 3 to 91.8 wt % of at least one polyamide, as component A, b) 3 to 91.8 wt % of one or more styrene copolymers B without any maleic anhydride-derived units, c) 3 to 91.8 wt % of one or more impact-modifying grafted rubbers C, d) 0.2 to 1.5 wt % of a compound of formula (I), as component D: e) 0 to 0.9 wt % of a mixture of formula (II), as component E: f) 0 to 0.9 wt % of a further stabilizer component F, g) 1 to 25 wt % of one or more styrene copolymers G, h) 1 to 30 wt % of one or more further rubbers, exhibit improved weathering resistance.
摘要:
The thermoplastic molding composition comprises: a) as component A, from 0 to 97.9% by weight of one or more (methyl)styrene-acrylonitrile copolymers which do not have any units derived from maleic anhydride, and which have an intrinsic viscosity smaller than 85 ml/g, b) as component B, from 1 to 98.9% by weight of one or more (methyl)styrene-acrylonitrile copolymers which have, based on the entire component B, from 0.5 to 5% by weight of units derived from maleic anhydride, c) as component C, from 1 to 75% by weight of glass fibers, d) from 0.1 to 20% by weight of one or more flow promoters, selected from d1) as component D1, at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), d2) as component D2, at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1, d3) as component D3, alkyl acrylate oligomers with a weight-average molar mass in the range from 1200 to 4000 g/mol, e) as component E, from 0 to 40% by weight of further fillers, or rubbers, and/or further additives, where the total amount of components A to D and, if present, E is 100% by weight.
摘要:
The thermoplastic molding composition comprises a) as component A, from 3 to 78% by weight of one or more styrene copolymers which have no units derived from maleic anhydride, b) as component B, from 15 to 90% by weight of one or more polyamides, c) as component C, from 5 to 50% by weight of one or more impact-modifying graft rubbers without olefinic double bonds in the rubber phase, d) as component D, from 1 to 25% by weight of one or more styrene copolymers which have, based on the entire component D, from 0.5 to 5% by weight of units derived from maleic anhydride, e) as component E, from 1 to 30% by weight of one or more further rubbers based on olefinic monomers without core-shell structure, and having at least 0.1% by weight of functional monomers, f) as component F, from 0 to 50% by weight of one or more fibrous or particulate fillers, g) as component G, from 0 to 40% by weight of further additives, where the entire amount of components A to E and, if appropriate, F and G is 100% by weight.
摘要:
The thermoplastic molding composition comprises a) as component A, from 3 to 78% by weight of one or more styrene copolymers which have no units derived from maleic anhydride, b) as component B, from 15 to 90% by weight of one or more polyamides, c) as component C, from 5 to 50% by weight of one or more impact-modifying graft rubbers without olefinic double bonds in the rubber phase, d) as component D, from 1 to 25% by weight of one or more styrene copolymers which have, based on the entire component D, from 0.5 to 5% by weight of units derived from maleic anhydride, e) as component E, from 1 to 30% by weight of one or more further rubbers based on olefinic monomers without core-shell structure, and having at least 0.1% by weight of functional monomers, f) as component F, from 0 to 50% by weight of one or more fibrous or particulate fillers, g) as component G, from 0 to 40% by weight of further additives, where the entire amount of components A to E and, if appropriate, F and G is 100% by weight.
摘要:
The thermoplastic molding composition comprises: a) as component A, from 0 to 97.9% by weight of one or more (methyl)styrene-acrylonitrile copolymers which do not have any units derived from maleic anhydride, and which have an intrinsic viscosity smaller than 85 ml/g, b) as component B, from 1 to 98.9% by weight of one or more (methyl)styrene-acrylonitrile copolymers which have, based on the entire component B, from 0.5 to 5% by weight of units derived from maleic anhydride, c) as component C, from 1 to 75% by weight of glass fibers, d) from 0.1 to 20% by weight of one or more flow promoters, selected from d1) as component D1, at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), d2) as component D2, at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1, d3) as component D3, alkyl acrylate oligomers with a weight-average molar mass in the range from 1200 to 4000 g/mol, e) as component E, from 0 to 40% by weight of further fillers, or rubbers, and/or further additives, where the total amount of components A to D and, if present, E is 100% by weight.
摘要:
The invention relates to thermoplastic molding compounds, containing a) 3 to 91.9 wt % of one or more styrene copolymers as component A, b) 3 to 91 wt % of one or more polyamides as component B, c) 3 to 50 wt % of one or more graft natural rubbers as component C, d) 0.1 to 25 wt % of one or more compatibilizers as component D, and e) 2 to 30 wt % of ethylene-1-octene copolymer having functional groups as component E, said thermoplastic molding compounds having improved low-temperature toughness.