メソゲン側鎖に極性末端基をもつ側鎖型高分子液晶の相転移と配向挙動

抄録

Comb-shaped liquid crystalline polymers, having a polar terminal group in the mesogenic side chain, were synthesized by the radical polymerization. Thermal properties and orientational behavior of the comb-shaped liquid crystalline polymers were examined. The comb-shaped liquid crystalline polymers (PM6-CF3) with a trifluoromethyl terminal group formed smectic A and smectic B phases. The focal conic fan textures were observed in the smectic A and smectic B phases. The X-ray diffraction pattern in the smectic A phase was composed of the sharp inner and the broad outer reflections. In the smectic B phase, the X-ray sharp outer reflection was observed as well as the X-ray sharp inner reflections.