In this paper, dyeing experiments were performed on vinylon modified with β-cyclodextrin using a reactive dye. The kinetics of the dyeing process for vinylon modified with β-cyclodextrin was researched by measuring the dye uptake, time of half dyeing, dyeing rate constant and the diffusion coefficient. The results show that grafting β-cyclodextrin onto vinylon enables to increase the diffusion and uptake of reactive dyestuffs from a bath, and that the degree of grafting is closely related to the improvement of diffusion and uptake of dyestuffs.

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Dyeing Kinetics of Vinylon Modified with β-Cyclodextrin

Research and development

Authors:

  • Lu Ming
    College of Textiles and Garments, Southwest University, Chongqing, P. R. China
  • Lu Ming
    College of Chemistry, Chemical Engineering and Biotechnology, Dong Hua University, Shanghai, P. R. China
  • Liu Yi-Ping
    College of Textiles and Garments, Southwest University, Chongqing, P. R. China

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Abstract:

In this paper, dyeing experiments were performed on vinylon modified with β-cyclodextrin using a reactive dye. The kinetics of the dyeing process for vinylon modified with β-cyclodextrin was researched by measuring the dye uptake, time of half dyeing, dyeing rate constant and the diffusion coefficient. The results show that grafting β-cyclodextrin onto vinylon enables to increase the diffusion and uptake of reactive dyestuffs from a bath, and that the degree of grafting is closely related to the improvement of diffusion and uptake of dyestuffs.

Tags: dyeing kinetics, â-cyclodextrin, modified vinylon fibres, reactive dyestuff.p

Citation: Lu M., Liu Y.; Dyeing Kinetics of Vinylon Modified with â-Cyclodextrin. FIBRES & TEXTILES in Eastern Europe 2011, Vol. 19, No. 5 (88) pp. 133-135.

Published in issue no 5 (88) / 2011, pages 133–135.

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