Preparation of polyarylates from dihydric phenols, aromatic dica

Details Preparation of polyarylates from dihydric phenols, aromatic dica Preparation of polyarylates from dihydric phenols, aromatic dica

1979-05-14

1980-10-21

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528167, 528169, 528173, 528179, 528180, 528190, 528191, 528194, C08G 6318

Patent

active

042295653

ABSTRACT:
High molecular weight, thermally stable polyarylates are prepared directly from dihydric phenols, aromatic dibasic acids and a chlorinating agent without isolating an acyl halide intermediate. An organic phosphite can be added to reduce color formation.

REFERENCES:
patent: 3216970 (1965-11-01), Conix
patent: 3351624 (1967-11-01), Conix
patent: 3505281 (1970-04-01), Hodge
patent: 3939117 (1976-02-01), Ueno
"Reagents for Organic Synthesis", L. F. Fieser et al., vol. 1, p. 1158, John Wiley and Sons Inc.

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