International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

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M.Tech / M.E / PhD Thesis | Textile Engineering | Egypt | Volume 8 Issue 9, September 2019

Alternatives to Urea in Wool Printing Part 1 Sponge Printing Film Reducing Urea in Wool Printing with Reactive Dyes

Prof. Dr Yasser El Hamaky [2] | Prof. Dr Sherief Hassan [2] | Dr Eman Nasef [2] | Eng. Nermin Atef [2]

Abstract: In order to resolve the problem of water pollution owing to using a large amount of urea in wool printing with reactive dyes, a new paste for printing wool fabrics with reactive dyes was applied which resulted in reducing urea in the printing paste, providing maximum fixation of reactive dyes on wool fabrics. A sponge alginate film was formed on the surface of the wool fabrics. The film contained reactive dye, brewer’s yeast enzyme, ethylene glycol and formic acid. During steaming process the sponge film in its new physical properties absorbs a big quantity of water and gives an ideal status to transfer the dye and all the other chemicals into wool fabrics. The K/S of printed samples was increased by about 27.84 % for red dye and 21.71 % for blue dye which were applied, compared with those printed by the traditional printing paste that containing 200g/kg urea.

Keywords: Wool, printing, reducing, urea, reactive dye

Edition: Volume 8 Issue 9, September 2019,

Pages: 1370 - 1374

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