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http://dx.doi.org/10.5764/TCF.2010.22.4.325

Alkaline Dissolution and Dyeing Properties of Sea-island Type Ultrafine Nylon Fiber  

Lee, Hae-Jung (Textile Fusion Technology R&D Department, Korea Institute of Industrial Technology)
Lee, Hyo-Young (Department of Textile Engineering, Konkuk University)
Park, Eun-Ji (Department of Textile Engineering, Konkuk University)
Choi, Yeon-Ji (Department of Textile Engineering, Konkuk University)
Kim, Sund-Dong (Department of Textile Engineering, Konkuk University)
Publication Information
Textile Coloration and Finishing / v.22, no.4, 2010 , pp. 325-331 More about this Journal
Abstract
The alkaline dissolution behavior of sea-island type ultrafine nylon fiber were dependent on the concentration of NaOH and treatment time, and the most appropriate condition for alkaline dissolution was to treat with 20g/l NaOH for 30 min at $80^{\circ}C$. The dyeing properties of sea-island type ultrafine nylon fiber and regular nylon fiber were examined with 3 different types of acid dyes in this study. The dye uptakes of ultrafine nylon fiber were higher than regular nylon fiber because of large surface area per unit mass, which increased as the dye bath pH decreased. The dyeing rates on ultrafine nylon fiber were faster and dye exhaustions were higher than regular nylon fiber, however color strength and rating of wash fastness were lower. It was also found that levelling type acid dye showed fast dyeing rate on both nylon fibers than metal-complex and milling type acid dyes.
Keywords
sea-island; ultrafine; nylon; dyeing; alkaline dissolution; acid dyes;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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