COLOR DEEPENING AGENT FOR CELLULOSIC FIBER, COLOR DEEPENING METHOD USING THE SAME, AND DYED CELLULOSIC FIBER TREATED THEREBY

摘要

PROBLEM TO BE SOLVED: To provide a method for producing a dyed product having deepened color while keeping water absorption by the color deepening treatment of a dyed cellulosic fiber.;SOLUTION: A color deepening agent contains fine silica particles treated with a silane coupling agent having amino group under acidic condition and a polyether-modified polysiloxane. The dyed product having deepened color while keeping water absorption is produced by treating a dyed cellulosic fiber with the color deepening agent.;COPYRIGHT: (C)2005,JPO&NCIPI