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    • 2. 发明专利
    • Method for dyeing aramid fiber by using laser irradiation
    • 通过使用激光辐射来染色芳纶纤维的方法
    • JP2010047850A
    • 2010-03-04
    • JP2008210610
    • 2008-08-19
    • Daiwa Senko KkShizuoka Prefecture大和染工株式会社静岡県
    • MIURA KIYOSHIODAGI KATSUHIDE
    • D06P5/20D06P1/22D06P3/24
    • PROBLEM TO BE SOLVED: To provide a dyeing method for obtaining a dyed material having a high fastness and excellent high-concentration fixation without using a laser energy absorbent in dyeing an aramid fiber by laser irradiation.
      SOLUTION: A vat dye having affinity for an aramid fiber comprising a meta-aramid fiber and/or a para-aramid fiber and exhibiting an absorption in a laser wavelength range and the dye is fixed to the aramid fiber by laser irradiation without through a process for applying a laser energy absorbent to the aramid fiber. More effectively the vat dye finely dispersed into an average particle diameter of ≤1 μm in a pulverized state is used.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供一种染色方法,用于获得具有高坚牢度和优异的高浓度固色的染色材料,而不需要激光能量吸收剂通过激光照射对芳族聚酰胺纤维进行染色。 解决方案:一种对包含间位芳族聚酰胺纤维和/或对位芳族聚酰胺纤维并在激光波长范围内呈现吸收的芳族聚酰胺纤维具有亲和力的瓮染料,并且通过激光照射将染料固定在芳族聚酰胺纤维上,而没有 通过将激光能量吸收剂应用于芳族聚酰胺纤维的方法。 更有效地使用在粉碎状态下细分散成平均粒径≤1μm的瓮染料。 版权所有(C)2010,JPO&INPIT