Heat-resistant resin compositions with a pearly luster

Details Heat-resistant resin compositions with a pearly luster Heat-resistant resin compositions with a pearly luster

1992-09-04

1993-08-31

Buttner, David J.

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

Synthetic resins

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

525146, C08L 6900, C08L 3312

Patent

active

052410056

ABSTRACT:
Heat-resistant resin compositions with an excellent pearly luster of this invention consist essentially of polycarbonates prepared from bisphenol A or its derivatives of the following general formula (I) ##STR1## in which R is hydrogen, a halogen, or a lower alkyl group and methyl methacrylate-.alpha.-methylstyrene copolymers with a weight average molecular weight of 30,000 to 200,000 and are useful for molding industrial articles requiring heat resistance.

REFERENCES:
patent: 4045514 (1977-08-01), Iwahashi et al.
patent: 4172103 (1979-10-01), Serini et al.
patent: 4774289 (1988-09-01), Kress
patent: 4950716 (1990-08-01), Fischer
Polymer Preprints, Japan (English Edition), vol. 39, No. 1, pp. 5-7, E35 and 47. (SPSJ 39th Annual Meeting, Kyoto, Japan, May 29-31, 1990).

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