| 摘要 |
PURPOSE: The effective coating materials is provided which has an optical color effectiveness by a powder coating method. CONSTITUTION: The coating material comprises crushable cholesteric liquid crystal polymerizable monomer such as formula 1 (X1 is chiral radical, Y is same or not, O, S, COO, OCO, OCOO, CON(R) or N(R)CO, R is hydrogen or C1- C4 alkyl, A is C1- C30 alkyl or substitutive alkyl with fluoro, chloro, bromo, cyano, methyl or ethyl, M is a mesogenic group such as alicyclic, aromatic and modified aromatic radical, Z is a polymerizable group) and crushable bichiral liquid crystal polymerizable monomer.
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