Abstract
In the textile industry, disposing the waste products after dyeing causes a major environmental issue. The mordants used leads to adverse effect for the human and other living organisms. Plasma processing is ecofriendly and it does not produce any waste, pollution free on the environment. Therefore, low temperature plasma treatments are set to make a revolution in textile industry. The present work is to modify the surface of cotton fabric by oxygen plasma treatment with operating parameters such as exposure time, discharge potential and base pressure are kept constant as 5 min, 400V and 9 Pascal respectively. The surface roughness of the fabric is analyzed by laser speckle technique for plasma treated and mordanted fabric and then corresponding results were reported. Further, we observed the increase in surface roughness of the fabric after plasma treatment.
Highlights
Nowadays the textile coloration using natural dyes is of great interest due to the toxic and allergic reactions of synthetic dyes
Metal mordants are used to enhance the fastness properties of the fabrics which is dyed with natural dyes[1]
The cotton fabric with dimension of 8×8 cm was cleaned with distilled water containing 8% of ethanol which is sonicated for 30 min at room temperature to remove the impurities
Summary
Nowadays the textile coloration using natural dyes is of great interest due to the toxic and allergic reactions of synthetic dyes. Metal mordants are used to enhance the fastness properties of the fabrics which is dyed with natural dyes[1]. Glow discharge plasma consists of high energy electrons , positive and negative ions, excited atoms, free radicals, neutrals, UV radiation which interacts with textile surfaces and alters surface morphology, chemical composition without affecting the bulk properties [7]. Surface roughness assessment of textile fabric by fractal dimension is reported and the various methods existing to quantify the surface roughness are described [8]. The plasma treatment of cotton fabric was done by using DC glow discharge plasma. After treatment the fabric has been studied in order to evaluate the effect of glow discharge plasma treatment on the surface roughness of the cotton fabric. The treated fabric was assessed in terms of contact angle measurement and laser speckle technique
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