Thermoplastic resin composition

Details Thermoplastic resin composition Thermoplastic resin composition

1986-01-15

1987-04-07

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524504, 525 78, C08K 524

Patent

active

046562125

ABSTRACT:
A thermoplastic resin composition having excellent impact strength and high heat distortion temperatures consisting essentially of (A) 10 to 90 parts by weight of a styrene-methacrylic acid type copolymer resin selected from a styrene/methacrylic acid copolymer resin obtained by polymerizing 97 to 65% by weight of styrene and 3 to 35% by weight of methacrylic acid and a styrene/methyl methacrylate/methacrylic acid copolymer resin obtained by polymerizing 48.6 to 64.9% by weight of styrene, 48.4 to 0.1% by weight of methyl methacrylate and 3 to 35% by weight of methacrylic acid, (B) 90 to 10 parts by weight of a graft copolymer resin obtained by polymerizing 70 to 20% by weight of methyl methacrylate or a monomeric mixture composed of from less than 100 to 20% by weight of methyl methacrylate and from more than 0 to 80% by weight of styrene in the presence of 30 to 80% by weight of a rubbery polymer, and (C) 0.001 to 0.2% by weight as silicon, based on the total weight of (A) and (B), of an organopolysiloxane.

REFERENCES:
patent: 2720495 (1955-10-01), Phreaner
patent: 3046239 (1962-07-01), Calvert
patent: 3919157 (1975-11-01), Ide et al.
patent: 4476267 (1984-10-01), Barda et al.

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