A liquid crystal aligning agent comprising a liquid crystal aligning polyorganosiloxane obtained by reacting a specific reactive polyorganosiloxane typified by a condensate of the hydrolysate of 2-(3,4-epoxycyclohexyl)ethyl trimethoxysilane with a reactive compound including a specific compound typified by stearic acid.
The liquid crystal aligning agent of the present invention can provide a liquid crystal alignment film having excellent liquid crystal alignability, high heat resistance and high light resistance, little reduction in voltage holding ratio even when it is exposed to high-intensity light in a high-temperature environment and excellent after-image property and has excellent storage stability.
一种液晶对准剂,包含一种液晶对准聚有机
硅氧烷,该聚有机
硅氧烷是由 2-(3,4-环氧环己基)乙基
三甲氧基硅烷的
水解产物的缩合物所形成的特定反应性聚有机
硅氧烷与包括
硬脂酸所形成的特定化合物在内的反应性化合物反应而得。
本发明的液晶配向剂可提供一种液晶配向膜,该液晶配向膜具有优异的液晶配向性、高耐热性和高耐光性,即使在高温环境中暴露于高强度光照下,电压保持率也几乎不会降低,并且具有优异的后像特性和优异的储存稳定性。