Structure–reactivity studies of a new polyfunctional disulphide bis (ES-MCT/SES) reactive dye applied to silk

Authors: Youssef Y.A.; Mousa A.A.

Source: Coloration Technology, Volume 118, Number 6, 2002 , pp. 325-329(5)

Publisher: Society of Dyers and Colourists

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Abstract:

A new polyfunctional reactive dye containing disulphidebis(ethylsulphone-monochlorotriazine/sulphatoethylsulphone) reactive system has been synthesised and applied to silk. High exhaustion/fixation results have been achieved at 90 °C and pH 9. The vinylsulphone precursor of the disulphidebis(ethylsulphone) group combined with a sulphatoethylsulphone/monochlorotriazine reactive system confers a relatively high fixation efficiency for this type of polyfunctional reactive dye when compared with that of a conventional bifunctional reactive dye containing the sulphatoethylsulphone/monochlorotriazine reactive system. The results also indicate that high fastness properties were obtained for the reactive dyes under investigation.

Language: English

Document Type: Regular paper

Affiliations: 1: Textile Research Division, National Research Centre, Tahrir Street, Dokki, Cairo, Egypt. Email: yayoussef@hotmail.com

Publication date: 2002-01-01

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