Aromatic polyesters and their shaped articles

Details Aromatic polyesters and their shaped articles Aromatic polyesters and their shaped articles

1985-10-25

1987-05-05

Phynes, Lucille M.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528193, 528194, 528271, C08G 6360

Patent

active

046634223

ABSTRACT:
An aromatic polyester comprising the following structural units [(I)+(II)], (I)+(II)+(III)], [(I)+(II)+(IV)], [(I)+(III)+(IV)], or [(I)+(II)+(III)+(IV)], the unit (I) occupying 20-85 mol % of all structural units, and a shaped article of a high elastic modulus obtained from the polyester: ##STR1## wherein R.sub.1 represents one or more groups selected from ##STR2## and R.sub.2 represents one or more groups selected from ##STR3##

REFERENCES:
patent: 4118372 (1978-10-01), Schaefgen
patent: 4265802 (1981-05-01), Choe
patent: 4299756 (1981-11-01), Calundann
patent: 4349659 (1982-09-01), Kato et al.
patent: 4412058 (1983-10-01), Siemionko
patent: 4447593 (1984-05-01), Funakoshi et al.
patent: 4473682 (1984-09-01), Calundann et al.
patent: 4487916 (1984-12-01), Irwin
patent: 4529565 (1985-07-01), Kasatani et al.
patent: 4536561 (1985-08-01), Schmidt et al.

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