Liquid crystalline polyesters containing metal terephthalate nuc

Details Liquid crystalline polyesters containing metal terephthalate nuc Liquid crystalline polyesters containing metal terephthalate nuc

1992-07-28

1993-11-23

Kight, III, John

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...

528272, 528275, 528277, 528279, 528280, 528281, 528282, 528283, 528285, C08K 504, C08G 6302, C08G 6378

Patent

active

052644774

ABSTRACT:
In situ formation of a melt processable liquid crystalline polyester composition capable of forming an anisotropic melt phase at a temperature of below approximately 400.degree. C. having an improved heat distortion temperature under a load, the composition being formed in the presence of from approximately 0.05 to approximately 1.0 weight percent of a divalent metal salt of terephthalic acid as a nucleating agent. Films, fibers and molded articles produced from the composition exhibit improved thermal properties.

REFERENCES:
patent: 4891397 (1990-01-01), Liu
patent: 4908428 (1990-03-01), Bastioli et al.

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