Dyeing studies with hydroxyanthraquinones extracted from Indian madder. Part 2: Dyeing of nylon and polyester with nordamncanthal

Authors: Gupta D.¹; Kumari S.¹; Gulrajani M.¹

Source: Coloration Technology, Volume 117, Number 6, 2001 , pp. 333-336(4)

Publisher: Society of Dyers and Colourists

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Abstract:

Nordamncanthal is an important constituent of the colouring matter extracted from Indian madder roots. Its dyeing properties have never been studied even though the structural characteristics closely resemble those of disperse dyes. In this study, nylon and polyester have been dyed with this colorant. Linear isotherms have been obtained, confirming that the mechanism is similar to that of disperse dyes. The dye has good affinity for both the fibres. Kinetic and thermodynamic parameters have been calculated. For part 1 of this study, see page 328 of this issue of Coloration Technology

Language: English

Document Type: Regular paper

Affiliations: 1: Department of Textile Technology, Indian Institute of Technology, Hauz Khas, New Delhi 110016, India. Email: mlg54@hotmail.com

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