Copolyester-carbonate resins with improved mold release properti

Details Copolyester-carbonate resins with improved mold release properti Copolyester-carbonate resins with improved mold release properti

1985-09-16

1986-11-04

Phynes, Lucille M.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528193, 528194, 528196, C08G 6362

Patent

active

046211306

ABSTRACT:
Thermoplastic copolyester-carbonate resins are described, having included in their polymer chains, moieties of the formula: ##STR1## wherein R represents alkyl of from about 10 to 36 carbon atoms, inclusive, 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 as molding compositions and as mold release additives for polycarbonate and copolyester-carbonate molding compositions.

REFERENCES:
patent: 4550155 (1985-10-01), Jones et al.
patent: 4554330 (1985-11-01), Mark et al.

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