Method for producing thermoplastic molding compounds with a high glass fiber content

A thermoplastic molding composition comprising:

• A) from 40 to 50% by weight of a styrene-acrylonitrile copolymer and/or of an α-methylstyrene-acrylonitrile copolymer as component A,
• B) from 0 to 15% by weight of a graft polymer as component B comprising:
• B1:
• a graft base composed of an alkyl acrylate, of an allyl (meth)acrylate, of a copolymerizable monomer, and/or of a diene monomer,
• B2:
• at least one graft shell composed of at least one vinylaromatic monomer and/or copolymerizable monomer,
• C) from 0.1 to 10% by weight of a compatibilizer as component C,
• D) from 40 to 55% by weight of glass fibers as component D,
• E) from 0 to 10% by weight of other components,
• where the entirety of components A, B, C, D, and E gives 100% by weight.

A process for the production of a thermoplastic molding composition,

• wherein in the thermoplastic molding composition comprises:
• A) from 40 to 50% by weight of a styrene-acrylonitrile copolymer and/or of an α-methylstyrene-acrylonitrile copolymer as component A,
• B) from 0 to 15% by weight of a graft polymer as component B comprising:
• B1:
• a graft base composed of an alkyl acrylate, of an allyl (meth)acrylate, of a copolymerizable monomer, and/or of a diene monomer,
• B2:
• at least one graft shell composed of at least one vinylaromatic monomer and/or copolymerizable monomer,
• C) from 0.1 to 10% by weight of a compatibilizer as component C,
• D) from 40 to 55% by weight of glass fibers as component D,
• E) from 0 to 10% by weight of other components,
• where the entirety of components A, B, C, D, and E gives precisely 100% by weight;
• the step of mixing the components in a melt.