Application of acacia natural dyes on cotton by pad dyeing

Ratnapandian, S, Fergusson, S. M. and Wang, L 2012, 'Application of acacia natural dyes on cotton by pad dyeing', Fibers and Polymers, vol. 13, no. 2, pp. 206-211.


Document type: Journal Article
Collection: Journal Articles

Title Application of acacia natural dyes on cotton by pad dyeing
Author(s) Ratnapandian, S
Fergusson, S. M.
Wang, L
Year 2012
Journal name Fibers and Polymers
Volume number 13
Issue number 2
Start page 206
End page 211
Total pages 6
Publisher Springer
Abstract Coloration of textiles, traditionally achieved using natural dyes, commonly employs synthetic dyes at the industrial level. A revival of commercial interest in natural dyes has opened several research avenues. This paper investigates the application by padding of cotton fabric with 10 g/l of two natural dyes derived from the Acacia plant family. Three mordanting techniques were studied; of which post-mordanting produced the most even shade. Among the two mordants investigated, the use of copper sulfate resulted in a level beige shade at 15 g/l concentration while ferrous sulfate performed best at 5 g/l yielding a yellow-grey shade. An optimum process-sequence for the copper sulfate mordant was "pad (dye)¨dry¨steam followed by pad (mordant)¨steam¨dry", and for ferrous sulfite it was "pad (dye)¨steam¨dry followed by pad (mordant)¨steam¨dry". Typically a change in mordant resulted in a different shade with the same dye. The study concluded that padding is a readily adaptable process for the dyeing of cotton using natural dyes and acceptable fastness in shades can be obtained.
Subject Textile Technology
Keyword(s) Natural dyes
Pad dyeing
Mordant
Acacia
Cotton fabric
DOI - identifier 10.1007/s12221-012-0206-9
ISSN 1229-9197
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