Polyester polymers of 3-hydroxy-4'-(4-hydroxyphenyl)benzophenone

Details Polyester polymers of 3-hydroxy-4'-(4-hydroxyphenyl)benzophenone Polyester polymers of 3-hydroxy-4'-(4-hydroxyphenyl)benzophenone

1985-09-04

1986-10-14

Phynes, Lucille M.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528190, 528191, 528194, 528195, C08G 802

Patent

active

046173692

ABSTRACT:
Aromatic polyesters derived from at least 10% glycols of the structure ##STR1## are disclosed. The polyesters have an inherent viscosity of at least 0.5 as measured from a 0.5 g solution in 100 ml of an equal volume mixture of p-chlorophenol and
1,2-dichloroethane, and a heat of fusion of less than 1.5 joule per gram.

REFERENCES:
patent: 4224433 (1980-09-01), Colundann et al.
patent: 4245082 (1981-01-01), Irwin
patent: 4269965 (1981-05-01), Irwin
patent: 4447592 (1984-05-01), Harris
patent: 4496712 (1985-01-01), Irwin
patent: 4499259 (1985-02-01), Irwin
patent: 4536561 (1985-08-01), Schmidt et al.

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