POLYMERIZABLE LIQUID CRYSTAL COMPOUND, POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTALLINE POLYMER, AND OPTICAL ANISOTROPIC ARTICLE
申请人:Sakamoto Kei
公开号:US20100258764A1
公开(公告)日:2010-10-14
A polymerizable liquid crystal compound shown by the following formula (I), a polymerizable liquid crystal composition that includes the polymerizable liquid crystal compound and a chiral compound polymerizable with the polymerizable liquid crystal compound, a liquid crystalline polymer obtained by polymerizing the polymerizable liquid crystal compound or the polymerizable liquid crystal composition, and an optical anisotropic article that includes the liquid crystalline polymer. The polymerizable liquid crystal compound shows a liquid crystal phase over a wider temperature range, is chemically stable, can be inexpensively produced, and has a wide selective reflection wavelength band Δλ (i.e., a large value Δn). The polymerizable liquid crystal composition includes the polymerizable liquid crystal compound, the liquid crystalline polymer is obtained by polymerizing the polymerizable liquid crystal compound or the polymerizable liquid crystal composition, and the optical anisotropic article includes the liquid crystalline polymer.
wherein Y
1
to Y
6
represent —O—, —O—C(═O)—, —C(═O)—O—, or the like, G
1
and G
2
represent divalent aliphatic groups having 1 to 20 carbon atoms, Z
1
and Z
2
represent an alkenyl group having 2 to 10 carbon atoms or the like, A
1
and A
2
represent divalent organic groups A having 1 to 30 carbon atoms, X
1
to X
8
represent a hydrogen atom or the like, and a and b represent 0 or 1.