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http://dx.doi.org/10.5764/TCF.2012.24.2.113

Dyeability of Low-melting Hybrid Polyester at Low Temperature  

Hwang, Ji-Hyun (Textile System Engineering, Kyungpook National University)
Kim, Chang-Nam (Korea Dyeing Technology Center)
Ma, Jin-Suk (Woongjin Chemical Co., Ltd.)
Oh, Hae-Sun (Chinyang Chemical Corporation)
Yoon, Nam-Sik (Textile System Engineering, Kyungpook National University)
Publication Information
Textile Coloration and Finishing / v.24, no.2, 2012 , pp. 113-120 More about this Journal
Abstract
Jacquard floor covering could be prepared from low-melting/regular sheath-core hybrid polyester, where the fiber is dyed in yarn state. With regard that the expected high shrinkage of the hybrid polyester in water makes problems in yarn dyeing, low-temperature dyeing properties of the hybrid polyester were studied. The rate of shrinkage of low-melting hybrid polyester exceeds 9% in hot water above $90^{\circ}C$, at such condition, cheese yarn dyeing is very difficult. Although disperse dyes exhaust in a relatively high speed on low-melting hybrid polyester, diffusion of these dyes to the core regular polyester was extremely slow under $90^{\circ}C$. Foron Blue E-BL 150, an anthraquinone E-type disperse dye, showed appreciable diffusion after 48hrs dyeing at $90^{\circ}C$. The fastness to rubbing and drycleaning were improved by one grade after reduction cleaning.
Keywords
low-melting polyester; sheath-core; dyeability; low-temperature dyeing; shrinkage; reduction cleaning;
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Times Cited By KSCI : 3  (Citation Analysis)
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