Liquid-crystal urethane compound, thermally responsive liquid-crystal polyurethane elastomer, and production method therefor
AssigneeToyo Tire & Rubber Co., Ltd.
InventorSeiji Iseki
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Abstract
The purpose of the present invention is to provide: a thermally responsive liquid-crystal polyurethane elastomer which is capable of being industrially continuously molded, and which is liquid crystal and has rubber elasticity at low temperatures (in the vicinity of room temperature); and a production method and a starting material therefor. This liquid-crystal urethane compound is obtained by reacting a mesogenic group-containing compound having at least active hydrogen groups, an alkylene oxide and/or a styrene oxide, and a diisocyanate compound.
Claims19
A liquid-crystal urethane compound obtained by reacting a mesogenic group-containing compound having at least an active hydrogen group, an alkylene oxide and/or a styrene oxide, and a diisocyanate compound.
Dependencies are inferred from the claim text.