STABILISIERTE ACRYLNITRIL/STYROL/BUTADIEN FORMMASSEN

1 - 13 . (canceled)

14 . A thermoplastic molding composition comprising:

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 an 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:

d) from 0 to 0.9% by weight of a mixture of the formula (II) as component D:

e) from 0 to 0.5% by weight of a compound of the formula (III) as component E:

or from 0 to 0.5% by weight of a compound of the formula (IV):

or from 0 to 0.5% by weight of a compound of the formula (V):

or from 0 to 0.5% by weight of a compound of the formula (VI):

f) from 0 to 10% by weight of one or more additives, where these differ from components C, D, and E, as component F, and

g) from 0 to 40% by weight of fibrous or particulate fillers as component G,

with the proviso that if the amount of component D is 0% by weight the amount of component E is from 0.01 to 0.5% by weight of one or more of the compounds III, IV, V, or VI, where each of the % by weight values is based on the sum weight of components A to G, and the sum of these values does not exceed 100% by weight.

15 . The thermoplastic molding composition according to claim 14 , wherein the proviso that if the amount of component D is 0% by weight the amount of component E is from 0.1 to 0.5% by weight, of one or more of the compounds III, IV, V, or VI, where each of the % by weight values is based on the sum weight of components A to G, and the sum of these values is 100% by weight.

16 . The thermoplastic molding composition according to claim 14 , wherein the proviso that if the amount of component D is 0% by weight the amount of component E is from 0.2 to 0.5% by weight, of one or more of the compounds III, IV, V, or VI, where each of the % by weight values is based on the sum weight of components A to G, and the sum of these values is 100% by weight.

17 . The thermoplastic molding composition according to claim 14 , wherein the swelling index of component B is from 5 to 20.

18 . The thermoplastic molding composition according to claim 14 , wherein component A used comprises a copolymer made of acrylonitrile, styrene, and/or α-methylstyrene, phenylmaleimide, methyl methacrylate, or a mixture of these.

19 . The thermoplastic molding composition according to claim 16 , wherein the swelling index of component B is from 5 to 20 and component A used comprises a copolymer made of acrylonitrile, styrene, and/or α-methylstyrene, phenylmaleimide, methyl methacrylate, or a mixture of these.

20 . The thermoplastic molding composition according to claim 14 , wherein component B used comprises a mixture made of an acrylonitrile-butadiene-styrene (ABS) graft polymer which comprises

from 50 to 80% by weight, based on B, of an elastomerically crosslinked butadiene polymer B1 and from 50 to 20% by weight, based on B, of a graft shell B2 made of a vinylaromatic monomer and made of one or more polar, copolymerizable, ethylenically unsaturated monomers, and optionally made of a further copolymerizable, ethylenically unsaturated monomer, in a ratio by weight of from 85:15 to 75:25.

21 . The thermoplastic molding composition according to claim 19 , wherein component B used comprises a mixture made of an acrylonitrile-butadiene-styrene (ABS) graft polymer which comprises

from 50 to 80% by weight, based on B, of an elastomerically crosslinked butadiene polymer B1 and from 50 to 20% by weight, based on B, of a graft shell B2 made of a vinylaromatic monomer and made of one or more polar, copolymerizable, ethylenically unsaturated monomers, and optionally made of a further copolymerizable, ethylenically unsaturated monomer, in a ratio by weight of from 85:15 to 75:25.

22 . The thermoplastic molding composition according to claim 14 , wherein the average particle diameter of component B is from 50 to 800 nm.

23 . The thermoplastic molding composition according to claim 14 , which uses components C and D in a ratio by weight of from 3:1 to 1:1 and components D and E in a ratio by weight of from 2:1 to 0.5:1.

24 . The thermoplastic molding composition according to claim 21 , which uses components C and D in a ratio by weight of from 3:1 to 1:1 and components D and E in a ratio by weight of from 2:1 to 0.5:1 and the average particle diameter of component B is from 50 to 800 nm.

25 . The thermoplastic molding composition according to claim 14 , which uses styrene or α-methylstyrene as vinylaromatic component in B2.

26 . The thermoplastic molding composition according to claim 14 , which uses, as ethylenically unsaturated component in B2, acrylonitrile and/or alkyl methacrylates and/or alkyl acrylates having C 1 -C 8 -alkyl radicals.

27 . The thermoplastic molding composition according to claim 14 , which uses component B in bimodal form.

28 . A process for producing a thermoplastic molding composition according claim 14 , which comprises mixing components A to F with one another at temperatures of from 100 to 300° C. and at a pressure of from 1 to 50 bar in any desired sequence, and then kneading and extruding the material.

29 . A process for producing a molding, a foil or a fiber which comprises utilizing the thermoplastic molding composition according to claim 14 .

30 . The process as claimed in claim 29 , wherein a molding is produced for motor-vehicle components or for parts of electronic equipment.

31 . A molding, fiber, or foil made of a thermoplastic molding composition according to claim 14 .