Journal of the Korean Society of Clothing and Textiles (한국의류학회지)

The Korean Society of Clothing and Textiles (한국의류학회)
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Changes in the Dyeing Property of Tencel Blended Fabrics as Susceptible Functional Fiber through Chitosan Finishing

키토산 가공에 의한 감성기능소재로서의 텐셀 혼방직물의 염색성 변화

  • Park, Youn-Hee (Dept. of Clothing & Textiles, Changwon National University) ;
  • Kang, In-Sook (Dept. of Clothing & Textiles, Changwon National University) ;
  • Bae, Hyun-Sook (Dept. of Clothing & Textiles, Changwon National University)
  • Published : 2007.12.31
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Abstract

Cationization is effective to complement the defects of Tencel blended fabrics by introducing new functions. For this purpose, we used chitosan, which is congenial to the human body, free of pollution, and easily reacted. Then, we compared it to the Tencel single fabrics. To perform such effective cationization, the fabrics were treated with chitosan after NaOH pretreatment and enzyme treatment thereof. After that, the fabrics were treated with a crosslinking agent and a softner. The dyeing property of the cationized Tencel blended fabrics and reactive dye, which is a type of anionic dye, show a high concentration in neutral salt and excellent repulsive power between the fabrics and the decreased dyes. The dyeing property of the chitosan treated fabrics represented better performances than that of untreated fabric in the lower concentration of neutral salt. Meanwhile, when it was dyed with certain acid dyes, the dyeing property of the chitosan treated fabrics showed better results due to the reaction of an amine group, which was introduced by chitosan treatment. Thus, the verification of the cationization of the Tencel blended fabrics was performed. The washing fastness of the Tencel blended fabrics showed a little bit better than that of the Tencel single fabric, and it represented a better performance in the dye with a reactive dye than that of an acid dye.

텐셀 혼방직물의 단점을 보완하면서 새로운 관능기를 도입하기 위해서는 캐티온화가 효과적이다. 이를 위해 인체 친화성이 있고 공해를 유발하지 않으며 반응이 용이한 키토산을 처리하였으며, 이에 의한 캐티 온화를 확인하기 위하여 음이온성 염료에 대한 염색성 변화를 살펴보았다. 먼저, 반응성 염료와의 염색성은 낮은 중성염의 농도에서도 키토산 처리 시료의 염색성이 우수하게 나타나 반응성 염료에 대한 염색 효율이 증대되었다. 이는 키토산의 아민기 도입으로 텐셀 혼방직물이 캐터온화되어 섬유에 치환된 친핵성기에 의해 반응성 염료에 대한 친화력이 향상됨으로서 중성이하의 조건에서도 염색성이 우수하게 나타난 것이다. 한편, 키토산 처리로 도입된 아민기의 작용으로 산성 염료와 친화력이 거의 없는 텐셀 혼방직물의 산성 염료에 대한 염색성이 크게 향상되었다. 또한 키토산 처리로 인하여 텐셀 혼방직물은 반응성 염료와의 친화력이 더 좋아졌고, 텐셀 단일직물의 경우 산성 염료와의 친화력이 더 좋아졌으며, 산성 염료보다 반응성 염료로 염색시 세탁견뢰도가 더 우수하였다.

Keywords

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