Thermotropic aromatic polyesters with high rigidity, a process f

Details Thermotropic aromatic polyesters with high rigidity, a process f Thermotropic aromatic polyesters with high rigidity, a process f

1985-07-17

1986-09-30

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528126, 528193, 528194, C08G 6360

Patent

active

046147896

ABSTRACT:
Thermotropic aromatic polyesters with high rigidity and favorable melt viscosity contain condensed radicals of (a) p-hydroxybenzoic acid, (b) hydroquinone and/or 4,4'-dihydroxydiphenyl, (c) isophthalic acid and optionally terephthalic acid and (d) benzophenone dicarboxylic acid in defined weight ratios.

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patent: 4381389 (1983-04-01), Irwin
patent: 4426511 (1984-01-01), Asada et al.
patent: 4429100 (1984-01-01), Charbonneau et al.
patent: 4436894 (1984-03-01), Urasaki et al.
patent: 4473682 (1984-09-01), Calundann et al.
patent: 4522974 (1985-06-01), Calundann et al.
Chem. Abstr. 68, p. 2953, No. 30210q (1968).
Chem. Abstr. 78, p. 3, No. 136711a (1973).
Chem. Abstr. 102, p. 72, No. 150777x (1985).

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