Interphase process for the production of fully aromatic polyeste

Details Interphase process for the production of fully aromatic polyeste Interphase process for the production of fully aromatic polyeste

1984-09-10

1986-02-11

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528176, C08G 6362

Patent

active

045699844

ABSTRACT:
Aromatic polyester carbonates may be produced by the interphase process by reacting salts of aromatic dicarboxylic acids with excess bis-chlorocarbonic esters of diphenol at a pH value of from 6 to 8.5 and by subsequently polycondensing the product at a pH value of from 9 to 14.

REFERENCES:
patent: 3220976 (1965-11-01), Goldberg
patent: 4130548 (1978-12-01), Kochanowski

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