申请人:Irisawa Masatomi
公开号:US20070282087A1
公开(公告)日:2007-12-06
The polymerizable compound of the present invention is represented by general formula (1) below and can provide a composition that is polymerizable near ambient temperature and exists in a liquid crystal phase at low temperatures. The composition and a (co)polymer of the polymerizable compound of the present invention are liquid crystal substances useful as optically anisotropic materials.
(In the formula, each of rings A
1
to A
3
represents a benzene ring, cyclohexane ring, etc.; each of X to Z represents a C
1-8
alkyl or alkoxy group, C
2-6
alkenyl group, halogen atom, cyano group, or CH
2
═CR
3
—COO—; each of R
1
to R
3
represents a hydrogen atom, methyl group, or halogen atom; each of L
1
to L
3
represents —CH
2
CH
2
COO—, —COO—, —OCO—, —CH
2
CH
2
—, —O(CH
2
)
f
— (herein, f=1-8), etc.; n represents 0 or 1; and a to c represent such numbers that the polymerizable compound has at least one or more of any of X, Y, and Z.)
本发明的可聚合化合物由下式(1)表示,可提供一种在接近常温下可聚合且在低温下存在液晶相的组合物。本发明的可聚合化合物的(共)聚合物和组成该聚合物的液晶物质是有用的光学各向异性材料。(在式中,环A1到A3分别表示苯环、环己烷环等;X到Z分别表示C1-8烷基或烷氧基、C2-6烯基、卤素原子、氰基或CH2═CR3—COO—;R1到R3分别表示氢原子、甲基或卤素原子;L1到L3分别表示—CH2CH2COO—、—COO—、—OCO—、—CH2CH2—、—O(CH2)f—(此处,f=1-8)等;n表示0或1;a到c表示聚合物至少具有X、Y和Z中的任意一种或多种。)