Copolyester-carbonate resins having trimellitic acid units in th

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525466, 525469, C08G 6364

Patent

active

048269280

ABSTRACT:
Thermoplastic copolyester-carbonate resins are described, having included in their polymer chains, a moiety of the formula: ##STR1## wherein a and b are each whole number integers of from 0 to 1; and the sum of a+b is 1.
The resins are useful intermediates for branched or cross-linked molding compositions.

REFERENCES:
patent: 4621130 (1986-11-01), Rosenquist
patent: 4701516 (1987-10-01), Rosenquist

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