ブタノール/水処理ナイロン66の酸性染料による染色について

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タイトル別名
  • STUDY ON DYEING BEHAVIOR OF ACID DYES ON NYLON 66 FIBERS TREATED WITH BUTANOL/WATER
  • ブタノール ミズ ショリ ナイロン66 ノ サンセイ センリョウ ニヨル セン

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抄録

The equilibrium sorption (C∞) and the rate of dyeing at the initial stage were measured for three acid dyes-nylon 66 pretreated with n-butanol/water.<br>From these values the relationship between the pretreating condition and the dyeing behavior was discussed.<br>1) C∞ values for DYE 1, 2 and 3 decreased with an increase in butanol concentration of butanol/water. A striking decrease was found for the nylon fiber pretreated with 100% butanol solution.<br>Amino end group contents in nylon fibers pretreated with butanol/water coincided with C∞ values.<br>2) There was a significant difference in the initial rates of dyeing between disperse dyes and acid dyes on nylon 66. That of disperse dyes increased in the following order: untreated fiber<fiber pretreated with water<fiber pretreated with butanol/water. While in case of acid dyes the order was as follow; untreated fiber<fiber pretreated with butanol/water<fiber pretreated with water. It was inferred that initial dyeing rates have no connection with the disorder of crystalline structure.<br>3) Pretreatment with butanol or butanol/water may disturb the crystalline structure of hydrophobic portion but not hydrophilic portion (the surroundings of amino group) of the nylon fiber.

収録刊行物

  • 繊維学会誌

    繊維学会誌 35 (1), T43-T47, 1979

    社団法人 繊維学会

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