Aromatic polyester which forms optically anisotropic melts and f

Details Aromatic polyester which forms optically anisotropic melts and f Aromatic polyester which forms optically anisotropic melts and f

1979-09-17

1981-05-26

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528191, 528193, 528220, 528194, C08G 6360

Patent

active

042699657

ABSTRACT:
An aromatic polyester consisting essentially of (1) p-oxybenzoyl units or the 3-methyl- or 3-chloro-derivatives thereof; (2) 3,4'-dioxydiphenylether or 3,4'-dioxybenzophenone units or the 3'-methyl- or 3'-chloro- derivatives thereof or terephthaloyldi (3-methyl-4-oxybenzene) units; and (3) terephthaloyl units and filaments thereof.

REFERENCES:
patent: 3637595 (1969-05-01), Cottis et al.
patent: 4066620 (1978-01-01), Kleinschuster et al.
patent: 4067852 (1978-01-01), Calundann
patent: 4083829 (1978-04-01), Calundann et al.
patent: 4118372 (1978-10-01), Schaefgen
patent: 4130545 (1978-12-01), Calundann

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