Optically active polymer and liquid crystal composition containi

Details Optically active polymer and liquid crystal composition containi Optically active polymer and liquid crystal composition containi

1988-06-07

1990-01-09

Gron, Teddy S.

Compositions

Liquid crystal compositions

25229966, 528272, 528308, 528331, C09K 1952, C09K 1912, C08G 6302

Patent

active

048926752

ABSTRACT:
An optically active polymer comprises recurring units of the following formula: ##STR1## wherein l is an integer of 5-1000, n is an integer of 1-3, m is an integer of 2-20, and * denotes the location of an asymmetric center. The optically active polymer has a good mutual solubility with a low-molecular weight mesomorphic compound and is easily mixed with the latter to provide a uniform liquid crystal composition which shows ferroelectricity and better film formability and stability than the low-molecular weight mesamorphic compound alone.

REFERENCES:
patent: 2470651 (1949-05-01), Schaffel
patent: 4622165 (1986-11-01), Kano
Polymer Bulletin, vol. 9, No. 6/7 (1983) 336:43.
Proceedings of the Int'l Conf. on Liquid Crystal Polymers, Jul. 20-24, 1987 in Mol. Cryst. Liq. Cryst. 155, 1988.
Proc. Sixth Int'l Symp. on Liquid Crystals and Ordered Fluids, Aug. 31-Sep. 4, 1987, in Mol. Cryst. Liq. Cryst. 157, 1988.
Polymer Liquid Crystals, A. Ciferri, ed., Academic Press, New York, 1982.

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