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

The Korean Society of Clothing and Textiles (한국의류학회)
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Effects of Mixed Activators on Enzymatic Activation for Wool.polyester Blend Fabrics

양모.폴리에스터 혼방직물의 효소가공 시 활성제 복합사용의 효과

  • Song, Hyun-Joo (Dept. of Clothing & Textiles, Sookmyung Women's Univirsty) ;
  • Song, Wha-Soon (Dept. of Clothing & Textiles, Sookmyung Women's Univirsty)
  • 송현주 (숙명여자대학교 생활과학대학 의류학과) ;
  • 송화순 (숙명여자대학교 생활과학대학 의류학과)
  • Published : 2008.09.30
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Abstract

This study provides effects of mixed activators on enzymatic activation and determines optimum mixture ratio for enzymatic treatment. Wool 80% and polyester 20% blend fabric and papain from carica papaya are used in this experiment. L-cysteine and sodium sulfite are used as activators for papain treatment process. The treatment condition is pH 7.5, $70^{\circ}$, papain concentration 10%(o.w.f), 60 minutes. L-cysteine and sodium sulfite are added in enzyme solution with various concentrations($0{\sim}50mM$). The optimum treatment condition is determined by measuring weight loss, tensile strength, whiteness, water contact angle(WCA), dyeability and surface micrographs. The results are as follow; The optimum mixture ratio of activators is L-cysteine 2mM and sodium sulfite 10mM. Mixed activators assists in improving the activation of papain. WCA of papain treated fabrics is decreased since papain treatment with activator mixture makes wool polyester blend fabrics more hydrophilic. Dyeing property of papain-treated fabrics more improves by the treatment with mixed activators than with single activator. It means that this method can save time and lower cost. After papain treatment in the presence of mixed activator, the surface of fabrics is modified. The surface of wool fiber shows to be descaled and hydrolyzed, and that of polyester fiber shows to be cracked.

Keywords

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