Melt phase polyarylate process

Details Melt phase polyarylate process Melt phase polyarylate process

1990-09-21

1991-12-03

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528179, C08G 6362

Patent

active

050701762

ABSTRACT:
Disclosed is a process for preparation of a polyarylate having a degree of polymerization of at least 50 by polymerizing an admixture comprised of 4-dialkylaminopyridine, an acid anhydride, bisphenol-A and a mixture of isophthalic acid and terephthalic acid by the steps of

REFERENCES:
patent: 4485230 (1984-11-01), Yu
Macromolecules 1989, 22, 1074-1077.

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