Process for the preparation of polyesters and poly(ester-carbona

Details Process for the preparation of polyesters and poly(ester-carbona Process for the preparation of polyesters and poly(ester-carbona

1980-11-17

1982-11-23

Briggs, Sr., Wilbert J.

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

Synthetic resins

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

525439, 525466, 528176, C08G 6364, C08L 6900

Patent

active

043606482

ABSTRACT:
Process for the preparation of polyesters and poly(ester-carbonates) comprising heating aromatic diol polycarbonates and esters of dicarboxylic acids in the presence of ester exchange and polymerization catalysts.

REFERENCES:
patent: 3313862 (1967-04-01), Siggel et al.
patent: 4105633 (1978-08-01), Swart et al.
patent: 4219635 (1980-08-01), Cooke et al.
patent: 4278787 (1981-07-01), Swart et al.
patent: 4311822 (1982-01-01), Dege et al.

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