화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.20, No.1, 83-90, January, 2014
DOI10.1016/j.jiec.2013.04.023  Export Citation
Photo bleaching of wool using nano TiO2 under daylight irradiation
Majid Montazer†, and Somaye Morshedi
  • Textile Department, Amirkabir University of Technology, Center of Excellence in Textile, Hafez Avenue, Tehran, Iran
E-mail:
Wool bleaching is usually carried out on raw wool through treatment with oxidizing or reducing agents. Here, nano TiO2 as a photocatalyst was applied on raw wool fabric to decompose the naturally occurred pigments under daylight irradiation. To enhance nano particles adsorption on the fabric, it was first treated with protease and then treated with nano TiO2 along with citric acid. The whiteness and yellowness indexes and hydrophilicity features of the treated wool fabrics indicated a reasonable whiteness with a significant improved hydrophilicity. This new wool bleaching approach was named as ‘‘nano photo bleaching’’ as a most successful bleaching application.
Keywords:Photo bleaching;Nano TiO2;Wool;Day light;Hydrophilicity
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