Abstract
This study is intended to investigate the effect of atmospheric pressure plasma treatment on dark shade pigment dyeing of cotton fabric. Experimental results reveal that plasma-treated cotton fabric can attain better color yield, levelness, and crocking fastness in dark shade pigment dyeing, compared with normal cotton fabric (not plasma treated). SEM analysis indicates that cracks and grooves were formed on the cotton fiber surface where the pigment and the binder can get deposited and improve the color yield, levelness, and crocking fastness. It was also noticed that pigment was aggregated when deposited on the fiber surface which could affect the final color properties.
Highlights
Pigments offer superior advantages over dyes, such as shorter dyeing time, low chemicals usage, less effluent, and being non-fiber selective [1]
Ready-for-dyeing plain weave cotton fabric of 250 g/m2 with 0.52 mm thickness was used to investigate the effect of plasma on dark shade pigment dyeing
Cotton fabric was treated with atmospheric pressure plasma using a plasma jet (APPJ) with a Cotton fabric was treated with atmospheric pressure plasma using a plasma jet (APPJ) with a rectangular nozzle (Atomflo 400, AH-500L, Surfx Technologies LLC, Redondo Beach, CA, USA) which rectangular nozzle (Atomflo 400, AH‐500L, Surfx Technologies LLC, Redondo Beach, CA, USA)
Summary
Pigments offer superior advantages over dyes, such as shorter dyeing time, low chemicals usage, less effluent, and being non-fiber selective [1]. In previous studies [2,3], plasma treatment has been found to be an effective way for improving color yield, levelness, and crocking fastness of pigment dyed fabrics. The fiber surface can be modified physically [4,5,6] and chemically [7,8,9]. Plasma-induced physical and chemical actions help to improve the pigment dyeing behavior of cotton fabric [2,3]. The effect of oxygen plasma treatment on dark shade pigment dyeing of cotton fabric has been studied. Effects on properties such as color yield, levelness, crocking fastness, and dry-cleaning fastness are reported
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