Process for preparing polyarylates

Details Process for preparing polyarylates Process for preparing polyarylates

1981-08-18

1983-02-15

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, 528179, 528182, 528191, 528193, 528194, 528206, 528207, 528222, 528225, 528271, C08G 6318, C08G 6320, C08G 6366

Patent

active

043742394

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 at least one particular halogenated and/or etherated substituted aromatic or heteroaromatic compound, at a temperature of from about 260.degree. to about 350.degree. C.

REFERENCES:
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patent: 3225003 (1965-12-01), Macon
patent: 3317464 (1967-05-01), Conix
patent: 3329653 (1967-07-01), Beavers et al.
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.
patent: 4294956 (1981-10-01), Berger et al.
patent: 4296232 (1981-10-01), Maresca et al.
U.S. patent application Ser. No. 15,933 filed Feb. 28, 1979.
U.S. patent application Ser. Nos. 69,818, 69,819 and 70,039 filed Aug. 27, 1979.

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