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    • 1. 发明授权
    • Polymerizable composition showing liquid-crystal phase and optically anisotropic object made with the same
    • 显示液晶相的可聚合组合物和用其制备的光学各向异性物体
    • US06730241B2
    • 2004-05-04
    • US09926183
    • 2001-12-20
    • Naoki ObiSeungtaeg LeeHiroshi HasebeTatsuo Kawara
    • Naoki ObiSeungtaeg LeeHiroshi HasebeTatsuo Kawara
    • C09K1920
    • C08F20/30C08F20/40C08F220/40C08F222/26C08F2222/102C08F2222/185C08F2222/225C09K19/38C09K19/408C08F2220/1891
    • An object of the present invention is to provide a polymerizable liquid crystal composition incorporating a polymerizable liquid crystal compound which displays a low nematic phase temperature, displays excellent compatibility with other polymerizable liquid crystal compounds, and furthermore yields a product following polymerization, of good transparency and high mechanical strength. A polymerizable composition is provided which displays a liquid crystal phase, and moreover incorporates a liquid crystal backbone with two or more ring structures and a compound with a partial structure represented by the general formula P1—S1—A1—D1—E1— [wherein P1 represents a polymerizable functional group; S1 represents —(CH2)w—, —O(CH2)w—, —(CH2)wO—, —(CH2)wC(═O)O—, —(CH2)wOC(═O)—, —C(═O)O(CH2)w— or —OC(═O)(CH2)w— (w: 1 to 20); A1 and E1 each represent a hydrocarbon ring or a hetero ring, although E1 is a ring incorporated within the liquid crystal backbone; and D1 represents —C(═O)—O—(CH2)m—O—, —O(CH2)m—O—C(═O)—, —O—C(═O)—(CH2)m—O—, or —O(CH2)m—C(═O)—O— (m: 1 to 15)].
    • 本发明的目的是提供一种可聚合液晶组合物,其包含显示低向列相温度的聚合性液晶化合物,与其它可聚合液晶化合物显示出优异的相容性,并且还产生聚合后的产物,透明性好, 机械强度高。 提供显示液晶相的可聚合组合物,此外还包含具有两个或多个环结构的液晶主链和具有由通式[其中P 1表示可聚合官能团的部分结构的化合物] (CH 2)w - , - (CH 2)w O - , - (CH 2)w C(= O)O-, - (CH 2)w OC(= O) -C(= O)O(CH 2)w - 或-OC(= O)(CH 2)w - (w:1-20) A 1和E 1各自表示烃环或杂环,尽管E 1是结合在液晶主链中的环; 并且D 1表示-C(= O)-O-(CH 2)m O - , - O(CH 2)m OC(= O) - , - OC(= O) - (CH 2)m O-或-O CH2)mC(= O)-O-(m:1〜15)]。