Thermal and mechanical properties of ultrasonically treated wool

Li, Qing, Hurren, Christopher J., Yu, Hengxing, Ding, Cailing and Wang, Xungai 2012, Thermal and mechanical properties of ultrasonically treated wool, Textile research journal, vol. 82, no. 2, pp. 195-202.

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Title Thermal and mechanical properties of ultrasonically treated wool
Author(s) Li, Qing
Hurren, Christopher J.
Yu, Hengxing
Ding, Cailing
Wang, Xungai
Journal name Textile research journal
Volume number 82
Issue number 2
Start page 195
End page 202
Total pages 8
Publisher Sage Publications
Place of publication London, U.K.
Publication date 2012-01
ISSN 0040-5175
1746-7748
Keyword(s) DSC
mechanical properties
TGA
thermal properties
ultrasonics
wool fabric
Summary Wool fabrics, ultrasonically treated in various chemical conditions and for different time durations, were analysed for thermal properties by thermo-gravimetric analysis and differential scanning calorimeter, in comparison with the untreated fabric. Fabric mechanical properties, such as bending and tensile performance, and changes in fibre morphology were also evaluated before and after ultrasonic treatment.It is found that wool treated with ultrasonics at the appropriate time, has less mass loss and a higher thermal degradation temperature than that without ultrasonic treatment or with prolonged ultrasonic treatment. Resistance to thermal degradation is reduced when wool is ultrasonically treated in the presence of alkali. Differential scanning calorimeter analysis shows that while ultrasonic treatment has little effect on fibre crystallinity, an appropriate treatment can provide wool with increased water absorption. Ultrasonic treatment stiffens wool fabric to some extent when the treatment time is prolonged. The addition of detergent alone to the ultrasonic bath has little effect on fabric tensile behaviour, whereas a treatment with both detergent and alkali produces severe fibre damage and significant loss of fabric tensile strength.
Language eng
Field of Research 091012 Textile Technology
Socio Economic Objective 860407 Wool Scouring and Top Making
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, The Author(s)
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044154

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