Polymeric liquid crystal copolymer compound, composition, therer

Details Polymeric liquid crystal copolymer compound, composition, therer Polymeric liquid crystal copolymer compound, composition, therer

1991-06-27

1995-09-05

Tucker, Philip

Compositions

Liquid crystal compositions

528 32, 528425, 428 1, 526242, 526245, 526279, 526291, 5262921, 5262923, 526333, C09K 1952

Patent

active

054476550

ABSTRACT:
Provided is a polymeric liquid crystal copolymer compound having a repeating unit represented by the formula ##STR1## wherein A represents a polymeric main chain of a carbon type; and B represents a polyoxyalkylene group or ##STR2## wherein D represents ##STR3## b and c each representing an integer of 0 to 20; R represents an alkyl group, a phenyl group, a siloxy group or a polysiloxy group; R' represents an alkyl group or a phenyl group; and a represents an integer of 0 to 50.

REFERENCES:
patent: 3859321 (1975-01-01), Traver
patent: 4367924 (1983-01-01), Clark et al.
patent: 4743106 (1988-05-01), Novicky
patent: 4820026 (1989-04-01), Okada et al.
patent: 4873018 (1989-10-01), Nohira et al.
patent: 4913839 (1990-04-01), Uchida et al.
patent: 4943617 (1990-07-01), Etzbach et al.
patent: 4950726 (1990-08-01), Yoshioka et al.
patent: 4981607 (1991-01-01), Okawa et al.
patent: 5034153 (1991-06-01), Uchida et al.
patent: 5039208 (1991-08-01), Ohnishi et al.
patent: 5054888 (1991-10-01), Jacobs et al.
patent: 5138010 (1992-08-01), Keller et al.
patent: 5200238 (1993-04-01), McArdle et al.
patent: 5252251 (1993-10-01), Sato et al.
W. Helfrich, "Voltage Dependent Optical Activity of a Twisted Nematic Liquid Crystal", 18, Applied Physics Letters, No. 4, 127-128 (Feb. 15, 1971).
Shibaev, et al., "Thermotropic Liquid-crystalline polymers: 1411", 24, Polymer Communications, 364-365, (Dec., 1983).

Affiliated with

Also associated with

Rating

Polymeric liquid crystal copolymer compound, composition, therer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polymeric liquid crystal copolymer compound, composition, therer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polymeric liquid crystal copolymer compound, composition, therer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-470767