The effect of pH on wool fiber diameter and fabric dimensions

Li, Qing, Brady, Rex Peter and Wang, Xungai 2009, The effect of pH on wool fiber diameter and fabric dimensions, Textile research journal, vol. 79, no. 10, pp. 953-957.

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Title The effect of pH on wool fiber diameter and fabric dimensions
Author(s) Li, Qing
Brady, Rex Peter
Wang, Xungai
Journal name Textile research journal
Volume number 79
Issue number 10
Start page 953
End page 957
Total pages 5
Publisher Sage Publications Ltd
Place of publication London, England
Publication date 2009-07
ISSN 0040-5175
1746-7748
Keyword(s) fibre science
wool
Summary Wool fabrics are often treated under conditions of varying pH in dyeing and finishing processes. It is known that in air the dimensions of wool fabrics change with the amount of fiber swelling at different regain. In this work, it has been shown that a similar relationship between fiber swelling and fabric dimensions existed in water at different pH values. The diameters of Merino and Corriedale wool fibers in water at different pH values were measured with an OFDA 2000 fiber diameter analyzer, fitted with a specially constructed accessory liquid cell. The results showed that the mean diameters of swollen wool fibers in water varied with pH. Minimum swelling was obtained in the range pH 5-7. It was found that the dimensions of wool fabric in water were dependent on the pH. The changes in fiber diameter in water could be attributed to changes in ionic interactions between charged acid and basic groups in wool protein with variations in pH.
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:30024603

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