Effects of leveling agent on the uptake of reactive dyes by untreated and plasma-treated wool

Naebe, Maryam, Cookson, Peter, Rippon, John and Wang, Xungai 2010, Effects of leveling agent on the uptake of reactive dyes by untreated and plasma-treated wool, Textile research journal, vol. 80, no. 7, pp. 611-622.

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Title Effects of leveling agent on the uptake of reactive dyes by untreated and plasma-treated wool
Author(s) Naebe, Maryam
Cookson, Peter
Rippon, John
Wang, Xungai
Journal name Textile research journal
Volume number 80
Issue number 7
Start page 611
End page 622
Total pages 12
Publisher Sage Publications
Place of publication London, England
Publication date 2010
ISSN 0040-5175
1746-7748
Keyword(s) surface
plasma
albegal B
reactive dyes
Summary Atmospheric-pressure plasma treatment of wool fabric produced a significantly higher level of adsorbed fiber-reactive dye when applied at 50 °C (pH 3.0–6.0) in the absence of any organic leveling agent. In addition, color yields indicated that dye was more uniformly adsorbed by the plasma-treated fabric compared with the untreated material. When untreated fabric was dyed in the presence of a leveling agent (Albegal B), the extent and levelness of dye sorption were enhanced. These enhancements were, however, relatively small on the plasma-treated wool compared with those on untreated wool. A ‘surface’ mechanism, similar to that proposed when plasma-treated wool is dyed in the absence of leveling agent, can explain the leveling ability of Albegal B under adsorption conditions. Increasing the dyebath temperature to 90 °C resulted in dye penetration of the fibers. Under these conditions, any enhancements of dye uptake produced by the plasma treatment, as well as the use of Albegal B, were relatively small, in contrast to the behavior at 50 °C. Improvements in the uniformity of dye sorption observed at 50 °C were, however, maintained at the higher temperature. It is concluded that the inability of reactive dyes to migrate (and so promote leveling and uniformity) once they have reacted with the fiber, means that differences in the uniformity of dye sorbed at 50 °C are still apparent at equilibrium.
Language eng
Field of Research 091012 Textile Technology
Socio Economic Objective 869999 Manufacturing not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2009, Sage Publications
Persistent URL http://hdl.handle.net/10536/DRO/DU:30021480

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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