Aromatic polyesters and high strength filaments thereof

Details Aromatic polyesters and high strength filaments thereof Aromatic polyesters and high strength filaments thereof

1983-02-07

1983-10-25

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528193, 528194, 528271, C08G 6318, C08G 6360

Patent

active

044120583

ABSTRACT:
Filaments, films or moldings are prepared from meltable polyesters derived from chloro- or methyl-hydroquinone, terephthalic acid, a member of the group consisting of 4,4'-dihydroxybiphenyl, and 4-carboxy-4'-hydroxybiphenyl and a member of the group consisting of isophthalic acid, resorcinol and 1,3-hydroxybenzoic acid. As-spun filaments from these polymers can be heat treated while free from tension to increase their tenacity.

REFERENCES:
patent: 3778410 (1973-12-01), Kuhfuss et al.
patent: 3975487 (1976-08-01), Cottis et al.
patent: 4118372 (1978-10-01), Schaefgen
patent: 4146702 (1979-03-01), Morris et al.
patent: 4183895 (1980-01-01), Luise
patent: 4256624 (1981-03-01), Calundann
patent: 4311824 (1982-01-01), Fayolle
patent: 4346208 (1982-08-01), Fayolle

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