Effect of low temperature plasma treatment on wool fabric properties |
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| Authors: | C W Kan C W M Yuen |
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| Institution: | 1. Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
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| Abstract: | Low temperature plasma (LTP) treatment was applied to wool fabric with the use of a non-polymerizing gas, namely oxygen. After
the LTP treatment, the fabric properties including low-stress mechanical properties, air permeability and thermal properties,
were evaluated. The low-stress mechanical properties were evaluated by means of Kawabata Evaluation System Fabric (KES-F)
revealing that the tensile, shearing, bending, compression and surface properties were altered after the LTP treatment. The
changes in these properties are believed to be related closely to the inter-fiber and inter-yarn frictional force induced
by the LTP. The decrease in the air permeability of the LTP-treated wool fabric was found to be probably due to the plasma
action effect on increasing in the fabric thickness and a change in fabric surface morphology. The change in the thermal properties
of the LTP-treated wool fabric was in good agreement with the above findings and can be attributed to the amount of air trapped
between the yarns and fibers. This study suggested that the LTP treatment can influence the final properties of the wool fabric. |
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