Polymerizable liquid-crystal material and polymers exhibiting li

Details Polymerizable liquid-crystal material and polymers exhibiting li Polymerizable liquid-crystal material and polymers exhibiting li

1990-07-13

1992-11-17

Stoll, Robert L.

Compositions

Liquid crystal compositions

25229961, 25229963, 526242, 526256, 526258, 526266, 526285, 5262921, 5262922, 5262928, 526293, 526299, C09K 1952, C09K 1930, C09K 1934

Patent

active

051641119

ABSTRACT:
The invention relates to polymerizable liquid-crystal materials and to polymer materials which exhibit liquid-crystal phases and which contain, attached directly or via a spacer, mesogenic groups in which at least one transversely polarizing structural element of the formulae I to X, defined in claim 1, is present.

REFERENCES:
patent: 4637896 (1987-01-01), Shannon
patent: 4713196 (1987-12-01), Praefcke et al.
Shibaev, V. P. et al. Eur. Polym. J. 18, 651, 1982.
Zhou, Q-F et al. Can. J. Chem. 63, 181, 1985.
Tsvetkov, V. N. et al. Polym Prepr. (Am. Chem. Soc., Div. Polym. Chem.), 24 (2) 280, 1983.

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