The Mechanism and Characterization of Dye-Free Coloration on Tussah Silk Based on Tryptophan

Yan Ling Sui; Chun Yan Wei; Wen Jing Liu; Bo Wang; Shao Quan Li; Yong Zhu Cui

doi:10.4028/www.scientific.net/AMR.175-176.656

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 175-176The Mechanism and Characterization of Dye-Free...

The Mechanism and Characterization of Dye-Free Coloration on Tussah Silk Based on Tryptophan

Abstract:

In this article, tussah silk was treated with 3, 4- dihydroxy benzaldehyde solution under concentrated nitric acid conditions, and its coloration characteristic was discussed, including the effects of concentrations, temperature and time on the coloration, finally the property of the treated fiber was tested. As the results showed, the treated tussah silk was in bright yellow, and both of its color fastness to washing and rubbing achieved 4 grade or above. The optimum process was that concentrations of 3, 4- dihydroxy benzaldehyde and concentrated nitric acid were 1.5% and 3% respectively, reacting temperature was 70 °C, reacting time was 10min and bath ratio was 1:25.

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Periodical:

Advanced Materials Research (Volumes 175-176)

Pages:

656-660

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.175-176.656

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Online since:

January 2011

Authors:

Yan Ling Sui, Chun Yan Wei, Wen Jing Liu, Bo Wang, Shao Quan Li, Yong Zhu Cui

Keywords:

Characterization, Coloration, Dye-Free, Mechanism, Tussah Silk

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