Compositions – Liquid crystal compositions
Patent
1989-04-21
1990-12-25
Maples, John S.
Compositions
Liquid crystal compositions
25229966, 528271, 528272, 528288, 528293, 528295, 428 1, C09K 1952, C08G 6300, C08G 6344, C08G 6368
Patent
active
049800817
ABSTRACT:
Polymers contain, as mesogenic groups, groups which produce a discotic phase, and furthermore can control pleochroic dyes.
The novel polymers possess novel properties, and combination of properties, which the conventional polymers which form liquid-crystalline phases do not possess.
The polymers can be used in electro-optical displays, in storage elements, as electrically or photo-electrically conductive polymers and as strain sensors.
REFERENCES:
patent: 4713196 (1987-12-01), Praefcke et al.
patent: 4833228 (1989-05-01), Osman
patent: 4865762 (1989-09-01), Kreuder et al.
Gray, Polymer Liquid Crystal, Academic Press, 1982, pp. 30-33.
Liquid Crystal Polymers II/III, Springer-Verlag, 1984, pp. 16-18, 101-103 (Gordon Ed.).
Etzbach Karl-Heinz
Kreuder Willi
Neumann Peter
Ringsdorf Helmut
Sterzel Hans-Josef
BASF - Aktiengesellschaft
Maples John S.
Tucker Philip
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