OPTICAL ANISOTROPIC THIN FILM MATERIAL AND OPTICAL ANISOTROPIC THIN FILM

摘要

PROBLEM TO BE SOLVED: To provide a polymerizable polymer which can be subjected to development process with an aqueous alkaline solution.;SOLUTION: The polymer is prepared by polymerizing a monomer represented by formula (I) [wherein R₁ is H or CH₃, A₁ and A₂ are a 1-4C alkylene group or a single bond, B₁ is OH or COOH, X₁ is a 1-18C alkylene, a 1-18C alkylene having C=O on the phenoxy side terminal, a 1-18C alkylene having a 1-6C alkylene bonded with the terminal opposite to the phenoxy side via a -COO- group, or a 1-18C alkylene having 1 to 10 -C₂H₄O- groups on the terminal opposite to the phenoxy side, and a and b are each an integer satisfying a+b=0 to 2] and a monomer represented by formula (II) [wherein R₂ is H or CH₃, A₃ and A₄ are a 1-4C alkylene, -COO- or a single bond, Z₁ to Z₃ are a hydrogen, a halogen, CN, a 1-18C alkyl, or a 1-4C alkoxy, X₂ is a 1-18C alkylene, and c and d are each an integer satisfying c+d=0 to 2], reacting it with an epoxy group and an ethylenic double bond-containing compound, and esterifying it with a carboxylic acid anhydride.;COPYRIGHT: (C)2010,JPO&INPIT