Liquid crystal polymer composition

Details Liquid crystal polymer composition Liquid crystal polymer composition

1993-04-06

1995-06-27

Wu, Shean

Compositions

Liquid crystal compositions

25229966, 25229967, 428 1, C09K 1938, C09K 1952

Patent

active

054277124

ABSTRACT:
The present invention relates to (A) 100 parts by weight of a liquid crystal polyester and/or liquid crystal polyesteramide capable of forming an anisotropic melt and (B) a liquid crystal polymer composition containing 5 to 300 parts by weight of a potassium titanate whisker having a pH of 6 to 8, wherein, the melt viscosity of the composition is 12 to 300 Pa.multidot.sec, and the weight average fiber length of the potassium titanate whisker in the composition is at least 4.5 .mu.m, the liquid crystal polymer composition having low anisotropy as well as balanced properties of superior dimensional stability, lubricating property (wear resistance), thin-wall moldability, heat resistance and mechanical properties, thereby allowing it to be useful as electrical and electronic parts, automotive parts, audio parts and various types of machine parts, and particularly as bearing and wear applications required to have lubricating property (wear resistance).

REFERENCES:
patent: 4861515 (1989-08-01), Minamisawa et al.
patent: 4888127 (1989-12-01), Wada et al.
patent: 5085807 (1992-02-01), Okamoto et al.
patent: 5158701 (1992-10-01), Asai et al.
patent: 5221705 (1993-06-01), Inoue et al.
Rubber Digest, vol. 27, No. 8, 1975, pp. 7-14.

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