Copolycarbonate, a copolycarbonate composition, and a method for

Details Copolycarbonate, a copolycarbonate composition, and a method for Copolycarbonate, a copolycarbonate composition, and a method for

1995-12-20

1997-09-23

Mosley, Terressa

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

525461, 528199, C08G 6400

Patent

active

056706057

ABSTRACT:
A heat resistant copolycarbonate comprises a component of the formula: ##STR1## and a component selected from: ##STR2## R.sup.1 and R.sup.2 are same or different halogens or monovalent hydrocarbons, R.sup.3, R.sup.4, R.sup.6 and R.sup.7 are hydrogen atoms or monovalent hydrocarbons, R.sup.5 and R.sup.8 are bivalent hydrocarbons,
R.sup.a, R.sup.b, R.sup.c R.sup.d, R.sup.e, R.sup.f, R.sup.g R.sup.j, R.sup.k and R.sup.l are the same or different halogen atoms, hydrocarbon groups having 1-10 carbon atoms, or hydrocarbon groups having 1-10 carbon atoms which are at least partially halogen-substituted and R.sup.b and R.sup.c may also be hydrogen,
m, n, s, t, u, v and w are integers from 0-4, p and q are integers from 0-3 and r is an integer from 1-10.

REFERENCES:
patent: 5470939 (1995-11-01), Nakae

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