Thermotropic aromatic polyesters with good rigidity and toughnes

Details Thermotropic aromatic polyesters with good rigidity and toughnes Thermotropic aromatic polyesters with good rigidity and toughnes

1985-04-15

1986-07-15

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, 528176, 528193, 528194, 528271, C08G 6360

Patent

active

046007644

ABSTRACT:
Thermotropic fully-aromatic polyesters which contain radicals of 3,4'- and/or 4,4'-dihydroxybenzophenone in addition to radicals of p-hydroxybenzoic acid, iso- and optionally terephthalic acid, hydroquinone and/or 4,4'-dihydroxydiphenyl, have good rigidity and toughness and yet are easily processible.

REFERENCES:
patent: 4226970 (1980-10-01), Frazer
patent: 4232143 (1980-11-01), Irwin
patent: 4269965 (1981-05-01), Irwin
patent: 4381389 (1983-04-01), Irwin
patent: 4399270 (1983-08-01), Frazer
patent: 4414365 (1983-11-01), Sugimoto et al.
patent: 4474938 (1984-10-01), Richardson

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