Patent ID: 9715187
Date: 2017-07-25
CPC Classifications: C08F,C09B,G03G

Claim:
1. A method of producing a compound represented by formula (1), comprising the steps of: (a) polymerizing a vinyl-based polymerizable monomer represented by the formula (A) with a radical initiator having a protective group by living radical polymerization to provide a polymer having the protective group at a terminal thereof; (b) hydrolyzing the protective group of the polymer having the protective group at a terminal thereof obtained by the step (a) to deprotect the polymer; and (c) bonding the deprotected polymer obtained by the step (b) and a colorant to each other through a covalent bond: in which X represents a polymer portion having a monomer unit derived from the vinyl-based polymerizable monomer represented by formula (A), L represents a linking group, and Y represents a colorant portion; and in which R wherein the vinyl-based polymerizable monomer comprises one of styrene and an acrylic acid ester.