Ferroelectric cyclic oligosiloxane liquid crystals

…, RJP Hung, JK Leitko, C áGrant Willson

Index: Medeiros, David R.; Hale, Michael A.; Hung, Raymond J. P.; Leitko, Jeffrey K.; Willson, C. Grant Journal of Materials Chemistry, 1999 , vol. 9, # 7 p. 1453 - 1460

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Citation Number: 13

Abstract

Chiral, smectogenic pendant groups have been covalently attached to cyclic oligosiloxanes by hydrosilylation. These materials and the olefinic compounds from which they were derived exhibit ferroelectric behavior. The mesomorphic range, and in particular the SC* phase, of these oligomers is greatly enhanced relative to the vinylogous parents. The electro- optic and thermal properties, in addition to the synthetic procedures used to prepare these ...