Investigation of Ultraviolet Protection Properties of Cotton Fabric via Azoic Dyeing with Green Tea Extract

Abstract:

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Green tea dyeing of cotton fabric via azoic combination method was investigated in order to improve ultraviolet protection properties without the application of polutting metal mordants. Three types of diazonium salts were prepared from three different primary aromatic amines (aniline, p-nitroaniline and 2,4 dichoroaniline) and subsequently, reacted with pretreated cotton fabric with coupling component or polyphenolic compounds found in green tea extract to form an azo dye inside the cellulose matrix. The result showed that as the strength of electron withdrawing groups of the substituents in the primary aromatic amines increase, both color strength and ultraviolet protection factor (UPF) of dyed fabrics dramically increased.

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Periodical:

Edited by:

Rui Wang and Huawu Liu

Pages:

279-282

DOI:

10.4028/www.scientific.net/AMR.331.279

Citation:

N. Punrattanasin "Investigation of Ultraviolet Protection Properties of Cotton Fabric via Azoic Dyeing with Green Tea Extract", Advanced Materials Research, Vol. 331, pp. 279-282, 2011

Online since:

September 2011

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$35.00

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