Modified polyolefin-polyester graft copolymer, method of produci

Details Modified polyolefin-polyester graft copolymer, method of produci Modified polyolefin-polyester graft copolymer, method of produci

1989-10-13

1992-04-21

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 67, 525 69, 525 92, C08G 8102

Patent

active

051069091

ABSTRACT:
A modified polyolefin-polyester graft copolymer includes (a) 10-90 parts by weight of a polyester having an intrinsic viscosity [.eta.] of 0.30-1.20 and an end carboxyl group content of 15-200 milliequivalent/kg, and (b) 90-10 parts by weight of a modified polyolefin having 0.2-5 mol % of an epoxy group or carboxyl group content and a weight-average molecular weight of 8,000-140,000.
A thermoplastic resin composition includes (a) 5-95 weight % of an aromatic polycarbonate, (b) 95-5 weight % of a polyolefin, and (c) 1-30 parts by weight, per 100 parts by weight of (a)+(b), of the graft copolymer.

REFERENCES:
patent: 4172859 (1979-10-01), Epstein
Modern Plastics Encyclopedia, pp. 49, 50, 52, 1979-1980.
Okasaka et al., Chemical Abstracts, 87, No. 2, (Jul. 11, 1977).

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