| 摘要 |
PURPOSE:A dye composition which eliminates color difference and uneven dyeing, has low absorption characteristics and high fixing properties and readily removes unfixed dye and stained substances from fibers, containing reactive dye and an organic phosphonic acid. CONSTITUTION:The aimed composition containing (A) reactive dye and (B) an organic phosphonic acid [preferably compounds shown by formulas I-IV (X1-X6 are H or 1-5C alkyl; Z1-Z6 are H, alkali metal or ammonium; R1-R6 are H, 1-5C alkyl or carboxyl; n is 1-3)].
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