C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 51/00 (2006.01) C08J 5/18 (2006.01) C08L 23/02 (2006.01) C08L 23/08 (2006.01) C08L 25/02 (2006.01) C08L 33/00 (2006.01)
Patent
CA 2145134
Thermoplastic molding materials contain essentially (A) from 20 to 99 % by weight of at least one graft copolymer, obtainable essentially from (a1) from 30 to 90 % by weight of a core obtainable by poly- merization of a monomer mixture consisting essentially of (a11) from 80 to 99.99 % by weight of at least one C1-C10-alkyl ester of acrylic acid, (a12) from 20 to 0.01 % by weight of a copolymerizable, polyfunctional crosslinking monomer and (a13) from 0 to 40 % by weight of a further copolymerizable, monoethylenically unsaturated monomer, and (a2) from 70 to 10 % by weight of a graft shell obtainable by polymerization of a monomer mixture in the presence of the core (a1), consisting essentially of (a21) from 50 to 100 % by weight of a styrene compound of the general formula (I) Image (I) where R1 and R2, independently of one another, are each hydrogen or C1-C8-alkyl and/or of a C1-C8-alkyl ester of methacrylic or acrylic acid, (a22) from 50 to 0 % by weight of a monofunctional comonomer, and (B) from 80 to 1 % by weight of a copolymer obtainable from at least one alpha-olefin and at least one polar comonomer, with the proviso that vinyl acetate or a vinylaromatic monomer are not used as monomers, and (C) from 0 to 50 % by weight, based on the total weight of components (A), (B) and (C), of a thermoplastic polymer obtainable by polymerization of a monomer mixture consisting essentially of (c1) from 50 to 100 % by weight of a vinylaromatic monomer and/or of a C1-C8-alkyl ester of methacrylic or acrylic acid and (c2) from 50 to 0 % by weight of a monofunctional comonomer.
Fischer Wolfgang
Guntherberg Norbert
Niessner Norbert
Rosenau Bernhard
Basf Aktiengesellschaft
Robic
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