| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for improvement of discoloration of cellulose fiber or mixed spinning fiber comprising cellulose fiber, having high dyeing density, and high water fastness, particularly, preventing discoloration to chlorination water. ! SOLUTION: A dye represented by formula (1) or salt thereof or a mixture of them are used as a colorant (where X represents a halogen atom). ! COPYRIGHT: (C)2015,JPO&INPIT |
