Process for preparing polyarylates in the presence of a diphenyl

Details Process for preparing polyarylates in the presence of a diphenyl Process for preparing polyarylates in the presence of a diphenyl

1979-08-27

1981-10-13

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528126, 528128, 528173, 528176, 528194, 528206, 528207, 528222, 528225, 528271, C08G 6318, C08G 6328, C08G 6366

Patent

active

042949564

ABSTRACT:
Described herein is a process for preparing polyarylates which comprises reacting a diester derivative of a dihydric phenol with an aromatic dicarboxylic acid in the presence of from about 10 to about 60 weight percent of a diphenyl ether compound at a temperature of from about 260.degree. to about 350.degree. C.

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patent: 3684766 (1972-08-01), Jackson, Jr. et al.
patent: 3780148 (1973-12-01), Jackson, Jr. et al.
patent: 3824213 (1974-07-01), Stackman
patent: 3948856 (1976-04-01), Stackman
patent: 4075173 (1978-02-01), Maruyama et al.

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