Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-12-27
1999-09-07
Short, Patricia A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
524112, C08L 5104, C08L 5502, C08L 7700
Patent
active
059488581
ABSTRACT:
The invention relates to a polymer composition comprising 5 to 79 wt. % of a graft copolymer of vinyl aromatic monomers and monomers chosen from the group of C.sub.1 -C.sub.4 alkyl methacrylates, C.sub.1 -C.sub.4 alkyl acrylates, methacrylonitrile and acrylonitrile on a rubber, 90 to 20 wt. % of a thermoplastic polyamide polymer and 1 to 50 wt. % of a polymer comprising a vinyl aromatic monomer, at least one monomer chosen from the group of C.sub.1 -C.sub.4 alkyl methacrylates, C.sub.1 -C.sub.4 alkyl acrylates, methacrylonitrile and acrylonitrile, and 0.2 to 30 mol % of a compound containing .alpha., .beta.-unsaturated dicarboxylic anhydride, the wt. % of the components being relative to the total weight of the components, characterized in that the composition also comprises at least one monofunctional dicarboxylic-anhydride-containing compound (D) with a weight average molecular weight of less than 1500 g/mol. The polymer composition exhibits excellent mechanical properties, in particular a high impact resistance.
REFERENCES:
patent: 4421892 (1983-12-01), Kasahara et al.
patent: 4452931 (1984-06-01), Okamoto
patent: 4713415 (1987-12-01), Lavengood
patent: 5280060 (1994-01-01), Abe
patent: 5317054 (1994-05-01), Chiang
Database WPI, Section Ch, Week 8833, Derwent Publications Ltd., London, GB, Class A18, AN 88-231705.
Bruls Wilhelmus G. M.
Dorrestijn Antoon
Koning Cornelis E.
DSM NV
Short Patricia A.
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