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    • 4. 发明专利
    • Method for dyeing polyarylate fiber and dyed polyarylate fiber
    • 用于染色聚酯纤维和染色的聚合物纤维的方法
    • JP2014070295A
    • 2014-04-21
    • JP2012215418
    • 2012-09-28
    • Tokai Senko Kk東海染工株式会社
    • IMAI KAZUTERUITO TAKAHIRO
    • D06P3/52D06P1/30
    • D06P3/523
    • PROBLEM TO BE SOLVED: To provide a method for dyeing a polyarylate fiber capable of dyeing a polyarylate fiber at a practical dyeing density required for explorations of novel applications thereof, yielding a dyed polyarylate fiber unaccompanied by dyeing irregularities, and yielding a dyed product excellent in terms of dyeing fastness, above all light-resistant fastness; and a dyed polyarylate fiber.SOLUTION: The provided method comprises a dye application step of applying a vat dye or sulfide dye onto a polyarylate fiber, a solvent treatment step of treating the polyarylate fiber with a treatment liquid including a polar solvent, and, following this solvent treatment step, if necessary, a heat treatment step of treating the polyarylate fiber with heat; at least one dyeing operation cycle consisting of the combination of the respective steps is provided.
    • 要解决的问题:提供一种能够以探索其应用所需的实际染色密度染色多芳基化纤维的多芳基化合物纤维的染色方法,得到无染色的不饱和聚酯的染色的聚芳酯纤维,得到优异的染色产品 染色牢度,最重要的耐光牢度; 和染色的聚芳酯纤维。溶液:所提供的方法包括将染料或硫化染料施加到多芳基化合物纤维上的染料施加步骤,用包含极性溶剂的处理液处理多芳基化合物纤维的溶剂处理步骤,以及随后 如果需要,该溶剂处理步骤是加热处理聚芳酯纤维的热处理步骤; 提供由各个步骤的组合组成的至少一个染色操作循环。