Thermoplastic polyester resin composition having improved impact

Details Thermoplastic polyester resin composition having improved impact Thermoplastic polyester resin composition having improved impact

1990-03-05

1992-05-05

Short, Patricia

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 64, 525 68, C08L 6702

Patent

active

051108666

ABSTRACT:
A thermoplastic polyester resin composition having an improved impact resistance is disclosed. This composition is comprised of (A) 30 to 70 weight parts of a polyester resin composed mainly of a polyalkylene terphthalate, (B) 5 to 28 weight parts of a polycarbonate resin, (C) 5 to 35 weight parts of a graft copolymer obtained by graft-polymerizing a monomer selected from aromatic vinyl monomers and methacrylic acid ester monomers in the presence of a rubbery polymer, and (D) 10 to 45 weight parts of a polyphenylene ether resin, which further comprises (E) 2 to 20 weight parts, per 100 weight parts of the resin composition comprising the components (A) through (D), of a copolymer having a main chain of a polyolefin copolymerized with glycidyl methacrylate and a side chain of a styrene polymer, in which the content of glycidyl methacrylate in the polyolefin copolymerized with glycidyl methacrylate is 5 to 30 weight %.

REFERENCES:
patent: 4866130 (1989-09-01), Brown
Patent Abstracts of Japan, vol. 12, No. 353(C-530) 21 Sep. 1988, & JP-A-63 108053 (Mitsubishi Petrochemical Co. Ltd.) 12 May 1988.
Patent Abstracts of Japan, vol. 12, No. 326(C-525) 5 Sep. 1988, & JP-A-63 089564 (Mitsubishi Petrochemical Co. Ltd.) 20 Apr. 1988.
Patent Abstracts of Japan, vol. 14, No. 96 (C-692) 22 Feb. 1990, & JP-A-01 304153 (Japan Synthetic Rubber Co. Ltd.). 07 Dec. 1989.

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