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Improving the Wash Fastness of Direct Dyes on Cotton by Si/Ti Composite Nanosol

Research and development

Authors:

  • Liu Xiaoyan
    College of Textiles, Dong Hua University, Shanghai, P. R. China
  • Wang Wei
    College of Chemistry, Chemical Engineering and Biotechnology, Dong Hua University, Shanghai, P. R. China
  • Xu Peng
    Tanatex Chemicals (Shanghai) Co., Ltd, Shanghai, P. R. China

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Abstract:

A series of Si/Ti composite nanosols were prepared to improve the wash fastness of six different coloured direct dyes. As a result Si/Ti composite sols with molar ratios of 14:1 are recommended as the most appropriate recipe. When dyed fabrics were treated with Si/Ti composite nanosol by the traditional pad-dry-cure process, the gel particles linked together in -Si-O-Ti-O-Si- bonds to form a compact inorganic-organic hybrid network, as observed in SEM pictures; the wash fastness of direct dyes on the cotton fabric had obviously improved. The strength and handle of the fabrics treated also showed no negative effects with the suitable recipe.

Tags: composite nanosol, direct dyes, wash fastness, gel, cotton

Citation: Liu X., Wang W., Xu P.; Improving the Wash Fastness of Direct Dyes on Cotton by Si/Ti Composite Nanosol. FIBRES & TEXTILES in Eastern Europe 2010, Vol. 18, No. 1 (78) pp. 93-96.

Published in issue no 1 (78) / 2010, pages 93–96.

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