Thermoplastic molding materials

Details Thermoplastic molding materials Thermoplastic molding materials

C - Chemistry, Metallurgy

08

L

C08L 25/02 (2006.01) C08J 9/12 (2006.01) C08L 47/00 (2006.01) C08L 51/00 (2006.01) C08L 51/06 (2006.01)

Patent

CA 2160952

Thermoplastic molding materials comprise A) from 30 to 98 % by weight of a graft polymer of aK) from 30 to 90 % by weight of an elastomeric graft core, obtainable by copolymerization of aK/1) from 80 to 99.99 % by weight of a C1-C10-alkyl ester of acrylic acid, aK/2) from 0.01 to 20 % by weight of a crosslinking mono- mer and aK/3) from 0 to 40 % by weight of one or more further monomers, and as) from 10 to 70 % by weight of a graft shell of a5/2) from 50 to 100 % by weight of a styrene compound of the general formula Image where R1 and R2 are each hydrogen or C1-C8-alkyl, and/or of a C1-C8-alkyl ester of acrylic acid or me- thacrylic acid, and as/2)from 0 to 50 % by weight of one or more further monomers, B) from 1 to 50 % by weight of a thermoplastic polymer of b1) from 50 to 100 % by weight of styrene and/or .alpha.-methylsty- rene, b2) from 0 to 50 % by weight of acrylonitrile and b3) from 0 to 50 % by weight of one or more further monomers, and C) from 1 to 70 % by weight of a copolymer of c1) from 30 to 90 % by weight of styrene and/or .alpha.-methylsty- rene, c2) from 10 to 70 % by weight of butadiene and c3) from 0 to 30 % by weight of one or more further monomers, in which all or virtually all of the olefinic double bonds have been hydrogenated.

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