Importance

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Abstract

A polymerizable liquid-crystal compound of formula (I) effective for preventing crystal deposition after coating with polymerizable liquid crystal (II) or a polymerizable liquid crystal similar thereto. P represents a polymerizable functional group; Sp represents a spacer or a single bond; Z¹ and Z² each represent —CO—O—; R⁰ represents a linear alkyl group having 1-15 carbon atoms; R², R³ and R⁴ each independently represent an alkyl group having 1-4 carbon atoms, an alkoxy group having 1-4 carbon atoms, an alkoxycarbonyl group having 2-5 carbon atoms, an acyloxy group having 2-5 carbon atoms, an acyl group having 2-4 carbon atoms, an amide group having 2-5 carbon atoms, a cyano group, an amino group, a hydroxyl group, or a halogen atom; r₁, r₂ and r₃ indicate an integer from 0-4; when r₁, r₂ and r₃ each are 2 or more, then R², R³ and R⁴ each may be the same or different; however, when R⁰ is a methyl group, then r₂ is not 1.

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First Claim