Process for obtaining copolyester-carbonates

Details Process for obtaining copolyester-carbonates Process for obtaining copolyester-carbonates

1979-04-26

1980-12-09

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

521182, 521189, 525439, 525461, 528173, 528176, 528190, 528191, 528193, 528194, 528370, 528371, 528372, C08G 6364

Patent

active

042385962

ABSTRACT:
A process is disclosed for producing copolyester-carbonates by direct polymerization of a dihydric phenol and an acid dichloride at a single pH profile level.

REFERENCES:
patent: 3028364 (1962-04-01), Conix
patent: 3030331 (1962-04-01), Goldberg
patent: 3169121 (1965-02-01), Goldberg
patent: 3697481 (1972-10-01), Dialous et al.
patent: 3989672 (1976-11-01), Vestergard
patent: 4156069 (1979-05-01), Prevorsek et al.
Prevorsek et al., Synthesis of Poly(ester Carbonate) Copolymers, Allied Chemical Corporation, Corporate Research Center, 4/79.

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