Novel Ferroelectric Liquid Crystals Incorporating a Lateral Long-Alkoxy Group

H. Takeda Chemical Process Engineering, Faculty of Engineering, Osaka University, Suita, Osaka, 565, Japan

S. Takenaka Chemical Process Engineering, Faculty of Engineering, Osaka University, Suita, Osaka, 565, Japan

H. Miyake Chemical Process Engineering, Faculty of Engineering, Osaka University, Suita, Osaka, 565, Japan

S. Kusabayashi Chemical Process Engineering, Faculty of Engineering, Osaka University, Suita, Osaka, 565, Japan

Abstract

Syntheses and thermal properties of 4-octyloxyphenyl 4-[3,4-di(2-methylalkanoyloxy)benzoyloxy]-benzoates (1) and 4-[3,4-di(2-methylalkanoyloxy)benzoyloxy]phenyl 4-octyloxybenzoates (2) are reported. Higher members of compound 1 show chiral smectic C phase as well as cholesteric one, and compound 2 shows only cholesteric one. Both cholesteric and chiral smectic C phases are miscible with those of usual lath-shape liquid crystals, but these show only a fine-particle texture. The effect of the lateral long alkyl group on the mesomorphic properties is discussed.

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Novel Ferroelectric Liquid Crystals Incorporating a Lateral Long-Alkoxy Group

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Novel Ferroelectric Liquid Crystals Incorporating a Lateral Long-Alkoxy Group

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