Liquid-crystalline polymer composition

Details Liquid-crystalline polymer composition Liquid-crystalline polymer composition

1990-09-04

1991-07-23

Maples, John S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 428 1, 350350S, 528 87, 528 89, 528100, C09K 1912

Patent

active

050341537

ABSTRACT:
A liquid-crystalline polymer composition comprising a ferroelectric liquid-crystalline polymer and a low molecular weight liquid-crystalline compound which exhibits smectic C phase or chiral smectic C phase. Such liquid-crystalline polymer compositions have not only excellent moldabilities such as ease of orientation, but also exhibit chiral smectic C phase at wide temperature range within room temperatures and exhibit high speed response to changes of external fields and high contrast ratios when they are used for optical display elements.

REFERENCES:
patent: 4293435 (1981-10-01), Portugall et al.
patent: 4780241 (1988-10-01), Furukawa et al.
patent: 4818807 (1989-04-01), Morita et al.
patent: 4844835 (1989-07-01), Uchida et al.
patent: 4954600 (1990-09-01), Hachiya et al.
Hopwood, A. I. et al., Polymer, 26, 1312, 1985.

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