Preparation of polyesters of 1,2-bis(hydroxyphenyl)ethanes and a

Details Preparation of polyesters of 1,2-bis(hydroxyphenyl)ethanes and a Preparation of polyesters of 1,2-bis(hydroxyphenyl)ethanes and a

1977-02-22

1978-07-18

Lee, Lester L.

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

Synthetic resins

From carboxylic acid or derivative thereof

C08G 6318

Patent

active

041015177

ABSTRACT:
A process for the preparation of polyarylene esters from aromatic dicarboxylic acids and diesters of a diphenol admixture containing 1,2-bis(4-hydroxyphenyl)ethane. The polymerization process is catalyzed by a potassium compound and yields polymer of improved color and fire safety performance.

REFERENCES:
patent: 3351611 (1967-11-01), Conix
patent: 3702838 (1972-11-01), Wilson
patent: 3824213 (1974-07-01), Stackman

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