Invention Grant
- Patent Title: Polymerizable liquid crystal compound having fused ring and homo- and copolymer of the polymerizable liquid crystal compound
- Patent Title (中): 具有稠环的可聚合液晶化合物和可聚合液晶化合物的均聚物和共聚物
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Application No.: US12089626Application Date: 2006-08-24
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Publication No.: US07771616B2Publication Date: 2010-08-10
- Inventor: Masatomi Irisawa , Tatsunori Kobayashi , Mineki Hasegawa
- Applicant: Masatomi Irisawa , Tatsunori Kobayashi , Mineki Hasegawa
- Applicant Address: JP Tokyo
- Assignee: Adeka Corporation
- Current Assignee: Adeka Corporation
- Current Assignee Address: JP Tokyo
- Agency: Young & Thompson
- Priority: JP2005-315699 20051031
- International Application: PCT/JP2006/316563 WO 20060824
- International Announcement: WO2007/052403 WO 20070510
- Main IPC: C09K19/32
- IPC: C09K19/32 ; C09K19/38 ; C09K19/20 ; C08F20/26 ; C08F20/30 ; C07C69/76 ; C07C69/94

Abstract:
A polymerizable liquid crystal compound of formula (1). The compound has high optical (refractive index) anisotropy (Δn), exhibits a liquid crystal phase at room temperature (having a broad liquid crystal phase temperature range) without crystallization, has high solubility in cyclohexanone, methyl ethyl ketone or like organic solvents, exhibits excellent coating properties and orientation properties, and, after polymerization, has high transparency. wherein R1 and R2 each represent hydrogen, a methyl group or halogen; rings A to C each represent a benzene ring, a naphthalene ring, etc.; at least one of rings A to C is a fused ring; X, Y, and Z each represent a C1 to C6 alkyl group, etc.; L1, L2, and L3 each represent —COO—, —OCO—, —O(CH2)j— (j=1 to 8), etc.; n is 0 or 1, and a to c are numbers such that the polymerizable liquid crystal compound may have at least one of X, Y, and Z.
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