POLYMERIZABLE LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION, POLYMER MATERIAL AND METHOD FOR MANUFACTURING THE SAME, AND FILM
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United States of America Patent
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Mar 23, 2015
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Sep 25, 2012
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Abstract
A polymerizable liquid crystal compound represented by the formula (1); wherein A1 represents a C2-18 methylene group, one CH2 or two or more non-adjacent (CH2)s in the methylene group may be substituted by —O—; Z1 represents —CO—, —O—CO— or a single bond; Z2 represents —CO— or —CO—CH═CH—; R1 represents a hydrogen atom or methyl group; R2 represents hydrogen, C1-4 straight-chain alkyl group, C1 or C2 straight-chain alkoxy group, phenyl group, aryloxy group, vinyl group, acryloylamino group, methacryloylamino group, N-aryloxycarbamoyl group, N-alkyloxycarbamoyl group having a C1-4 alkyl group, N-(2-methacryloyloxyethyl)carbamoyloxy group or N-(2-acryloyloxyethyl)carbamoyloxy group; and each of L1, L2, L3 and L4 independently represents C1-4 alkyl group, C1-4 alkoxy group, C2-5 alkoxycarbonyl group, C2-4 acyl group, halogen atom or hydrogen atom, at least one of L1, L2, L3 and L4 represents a substituent other than hydrogen atom.
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