Wholly aromatic polyester

Details Wholly aromatic polyester Wholly aromatic polyester

1987-12-18

1989-06-06

Jacobs, Lewis T.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524605, 525444, 525450, 528193, C08L 6702, C08F 2000, C08G 6318

Patent

active

048372684

ABSTRACT:
A molded product prepared by injection molding a wholly aromatic thermotropic liquid crystal polyester consisting of 4-oxybenzoil moiety, terephthaloyl moiety and 4,4'-dioxydiphenyl ether moiety is characterized in high impact strength, small mechanical anisotropy and excellent resistance to heat. The thermotropic liquid crystal polyester gives, by blending therewith a known thermotropic liquid crystal polyester, a composition which can yield a formed product having a superior strength and a relatively small elastic modulus.

REFERENCES:
patent: 3773858 (1973-11-01), Nowak et al.
patent: 4247514 (1981-01-01), Luise
patent: 4269965 (1981-05-01), Irwin
patent: 4299756 (1981-11-01), Calundann
patent: 4355134 (1982-10-01), Charbonneau et al.
patent: 4451611 (1984-05-01), Cincotta et al.
patent: 4563508 (1986-01-01), Cottis et al.

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