METHOD FOR PRODUCING COMPOUND HAVING COLORANT STRUCTURE AT MAIN CHAIN TERMINAL OF POLYMER, AND PIGMENT DISPERSANT, PIGMENT COMPOSITION, PIGMENT DISPERSION AND TONER CONTAINING COMPOUND OBTAINED BY THE PRODUCTION METHOD

摘要

To provide a method for producing a compound that enhances dispersibility of a pigment of respective colors in a water-insoluble solvent, as well as a pigment dispersant, and a pigment composition, a pigment dispersion and a toner having a good tinting power. A method for producing a compound, including the following:;(i): subjecting a polymerizable monomer forming a monomer unit represented by formula (1) to radical polymerization in the presence of a radical polymerization initiator and an iodine molecule to provide a polymer; and

(ii): binding a colorant to a terminal of a main chain of the polymer:
;;wherein

R1 represents a hydrogen atom and an alkyl group, and

R2 represents a phenyl group, a carboxyl group, an alkoxycarbonyl group or a carboxamide group.

主权项

1. A method for producing a compound, comprising the following (i) to (ii):
(i): subjecting a polymerizable monomer represented by formula (A) to radical polymerization in the presence of a radical polymerization initiator and an iodine molecule to provide a polymer; and (ii): binding a colorant to a terminal of a main chain of the polymer: wherein R1 represents a hydrogen atom or an alkyl group, and R2 represents a phenyl group, a phenyl group having a substituent, a carboxy group, an alkoxycarbonyl group or a carboxamide group.