Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-03-08
1989-12-19
Pertilla, Theodore E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 67, C08L 7700, C08L 6900
Patent
active
048883875
ABSTRACT:
A resin composition comprising (A) a copolymer comprising hexagonal units selected from hexagonal acid anhydride units, hexagonal imide units and mixtures thereof, methyl methacrylate units, (meth)acrylic acid units and optionally aromatic vinyl compound units, (B) a graft copolymer rubber, and (C) at least one polymer selected from a polyamide and a polycarbonate, wherein the weight proportions of components (A), (B) and (C) relative to the total weight of components (A), (B) and (C) are in the ranges of from 5 to 50%, from 5 to 50% and from 45 to 80%, respectively. The resin composition has surprisingly improved impact strength not possessed by any of the individual component polymers of the resin composition, while maintaining advantageous properties, such as moldability, other mechanical strengths, rigidity, heat resistance, moisture resistance, chemical resistance and dimensional stability, attributed to the individual component polymers. Advantageous applications of the resin composition of the present invention are found in the manufacturing of various parts for automobiles, household electrical appliances and business machines.
REFERENCES:
patent: 4217424 (1980-08-01), Weese et al.
patent: 4254232 (1981-03-01), Mueller
Hasegawa Shinji
Kakuta Rin-ichi
Ohuchi Kenji
Sugiyama Jun
Wada Akihiro
Asahi Kasei Kogyo Kabushiki Kaisha
Pertilla Theodore E.
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