Thermotropic chiral nematic liquid crystalline copolymers

Compositions – Liquid crystal compositions

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25229963, 25229964, 25229965, 25229966, 25229967, 428 1, 359 36, C09K 1952, C09K 1930, C09K 1912, G02F 113

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active

053325222

ABSTRACT:
A thermotropic chiral nematic liquid crystalline copolymer composition comprises ##STR1## wherein --NEM-- and --NEM'-- are each independently nematogenic units of formula ##STR2## wherein R is H or CH.sub.3, --Q-- is an alkylene radical having 1 to about 8 carbon atoms,

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