Copolyester-carbonate compositions exhibiting improved processab

Details Copolyester-carbonate compositions exhibiting improved processab Copolyester-carbonate compositions exhibiting improved processab

1983-09-02

1984-12-11

Lee, Lester L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525444, 525448, 525466, 525469, 525470, 528125, 528126, 528128, 528173, 528176, 528191, 528193, 528194, C08G 6364

Patent

active

044878966

ABSTRACT:
Copolyester-carbonate resin compositions exhibiting improved processability comprised of (i) at least one copolyester-carbonate resin derived from (a) a carbonate precursor; (b) at least one difunctional carboxylic acid or a reactive derivative thereof; and (c) at least one dihydric phenol wherein the bridging divalent hydrocarbon group connecting the two aromatic residues is represented by the general formula ##STR1## wherein R represents a straight chain alkyl radical containing from 1 to 5 carbon atoms.

REFERENCES:
patent: 3169121 (1965-02-01), Goldberg
patent: 3207814 (1965-09-01), Goldberg
patent: 4395534 (1983-07-01), Shimizu et al.

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