Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13048
Title: A comparative study of wool fibre surface modified by physical and chemical methods
Authors: Kan, CW 
Yuen, CWM
Keywords: Chlorination
Plasma
Surface
Wool
Issue Date: 2009
Publisher: Springer
Source: Fibers and polymers, 2009, v. 10, no. 5, p. 681-686 How to cite?
Journal: Fibers and polymers 
Abstract: The wool scale present on the fibre surface gives rise to certain unwanted effects such as felting and poor wettability in textile wet processing. In general practice, the removal of scale was done either by surface modification through physical/chemical degradation of scale or by deposition of a polymer on the scale. In modern treatment, combination of both methods is usually carried out. Since the deposition of a polymer on the fibre surface depends much on the surface characteristic of the fibre, therefore, the surface property of modified fibre is an important factor for polymer application. On the other hand, the surface modification methods may also result in improved hydrophilicity of fibre. The present paper investigated the surface physico-chemical properties of wool fibre under the influence of different surface modification treatments: (i) low temperature plasma (LTP) treatment with nitrogen gas and (ii) chlorination. The surface physico-chemical properties of the LTP-treated and chlorinated wool fibres were studied which included contact angle measurement with different solvents, determination of critical surface tension and surface free energy. Experimental results showed that these selected properties were altered after the surface modification treatments. In addition, a polymer was deposited in the treated wool fabrics and scanning electron microscope was used for assessing the surface morphology.
URI: http://hdl.handle.net/10397/13048
ISSN: 1229-9197
EISSN: 1875-0052
DOI: 10.1007/s12221-010-0681-9
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