Dyeing properties of nylon 66 nano fiber with high molecular mass acid dyes |
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| Authors: | Kwon Sun Lee Beom Soo Lee Young Hwan Park Yoon Chul Park Yong Min Kim Sung Hoon Jeong Sung Dong Kim |
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| Institution: | (1) Ecological Dyeing and Finishing Technology Team, KITECH, 429-450 Siheung, Korea;(2) Nano Science Research Institute, Nano Technic Co., 429-450 Siheung, Korea;(3) Department of Molecular System Engineering, Hanyang University, 133-791 Seoul, Korea;(4) Department of Textile Engineering, NITRI, Konkuk University, 143-701 Seoul, Korea |
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| Abstract: | Research and development of nano fiber products is very active over the world. Physical characteristics and dyeing properties
of nylon 66 nano fiber were investigated in this study. X-ray diffraction, DSC, analysis of amino end group, and water absorption
were performed to get information concerning physical properties of nano fiber. Nylon 66 nano fiber was dyed with high molecular
mass acid dyes. Effects of dyeing temperature, pH of dyeing solution, and concentration of acid dyes on dyeing properties
such as rate of dyeing and the extent of exhaustion, were examined and compared to those of regular fiber. It was found that
nano fiber adsorbed acid dyes at lower temperature, got rapidly dyed, and its extents of exhaustion at specific dyeing temperature
were higher than regular fiber. It was also observed that nano fiber could adsorb a large amount of acid dye without a significant
loss in the extent of exhaustion. Washing fastness of the dyed nano fiber was lower by 1/2∼1 grade, light fastness by 1 grade
than the dyed regular fiber. |
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| Keywords: | Nylon 66 nano fiber Electro-spinning Dyeing property High molecular mass acid dye |
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