Copolycarbonates based on bis(4-hydroxyphenyl)biphenyl disulfone

Details Copolycarbonates based on bis(4-hydroxyphenyl)biphenyl disulfone Copolycarbonates based on bis(4-hydroxyphenyl)biphenyl disulfone

1981-09-28

1984-01-10

Anderson, Harold D.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524609, 524611, 528171, 528174, 528196, 528204, C08G 6362

Patent

active

044254563

ABSTRACT:
A copolycarbonate molding composition comprising the reaction product of an aromatic diphenol, a bis(4-hydroxyphenyl)biphenyl disulfone and a carbonate source is characterized by its high glass transition temperature. A blend thereof containing an organic acid salt is characterized by its improved flame retardance.

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patent: 3269986 (1966-08-01), Goldberg
patent: 3775367 (1973-11-01), Nouvertne
patent: 3836490 (1974-09-01), Bockmann et al.
patent: 3912688 (1975-10-01), Schiller et al.
patent: 4303776 (1981-12-01), Baron et al.
patent: 4306055 (1981-12-01), Baron et al.

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