Polymers from phenylterephthalic acid

Details Polymers from phenylterephthalic acid Polymers from phenylterephthalic acid

1981-07-24

1983-07-05

Schain, Howard E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

264176F, 528190, 528193, 528194, C08G 6318

Patent

active

043919669

ABSTRACT:
Melt-spinnable, anisotropic melt-forming aromatic polyesters prepared from phenylterephthalic acid or mixtures thereof with terephthalic acid, one or more selected aromatic diols, and 4-hydroxybenzoic acid; and filaments of such polyesters, the tenacity of which filaments can be increased by heat treatment.

REFERENCES:
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patent: 3723388 (1973-03-01), Bell et al.
patent: 4065432 (1977-12-01), Frazer
patent: 4118372 (1978-10-01), Schaefzen
patent: 4153779 (1979-05-01), Jackson, Jr. et al.
patent: 4156070 (1979-05-01), Jackson, Jr. et al.
patent: 4159365 (1979-06-01), Payet
patent: 4183895 (1980-01-01), Luise
patent: 4287332 (1981-09-01), Jackson et al.
patent: 4294955 (1981-10-01), Harris, Jr.
patent: 4299756 (1981-11-01), Calundann
Chem. Abstracts, vol. 49, (1954), 5396g, from Annalen 586, 138-146, (1954).
PCT International Publication No. WO79/01034, Application No. PCT/US/79/00289, Published Nov. 29, 1979.

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