The effects of humidity on the surface modification of wool fabric through atmospheric pressure plasma jet |
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Authors: | Cheng Chen Lixia Jia Rui Liu Xingyu Chen Chongye Jin Heping Liu Cunfu Feng Chuyang Zhang Yiping Qiu |
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Institution: | 1.College of Textiles and Apparels,Xinjiang University,Urumqi,China;2.Xinjiang Jinta Wool Textile Co., Ltd.,Tacheng,China;3.College of Textiles,Donghua University,Shanghai,China |
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Abstract: | Current research was carried out on hydrophilic wool fibers at three different humidity conditions through atmospheric pressure plasma jet (APPJ). Samples were taken to evaluate surface microscopic morphology, surface roughness, directional friction effect (DFE), and surface chemical composition. The scanning electron microscope (SEM) and fiber friction coefficient test (FFT) results show that wetting pretreatment has significant effect on surface etching and DFE, but very limited effect on surface roughness. Allwörden reaction and X-ray photoelectron spectroscopy (XPS) results reveal that extra moisture changes C, O, N, S contents and their related characteristic functional groups, therefore increases etching degree on wool fiber surface scales. It was concluded that APPJ treatment is effective in processing wool fiber with high moisture contents. |
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