Thermoplastic poly(bisphenol A tere- or isophthalate) copolycarb

Details Thermoplastic poly(bisphenol A tere- or isophthalate) copolycarb Thermoplastic poly(bisphenol A tere- or isophthalate) copolycarb

1980-07-15

1982-10-19

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528179, 528182, 528194, 528496, 524605, 524611, C08G 6364

Patent

active

043551505

ABSTRACT:
A thermoplastic polymeric material comprises a copolymer which is a poly(bisphenol A tere- and/or isophthalate) copolycarbonate having a molar ratio of phthalate to carbonate units in the inclusive range from 2 to 10, preferably 3 to 8. The material, which may be prepared by techniques which are known, may be used in applications for high temperature transparent thermoplastics, eg transparencies for the aerospace industry.

REFERENCES:
patent: 3169121 (1965-02-01), Goldberg
patent: 4156069 (1979-05-01), Prevorsek et al.
patent: 4260731 (1981-04-01), Mori et al.
English Language Translation of Japanese Kokai 77-78999.

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