Abstract
In this study, polyester fabric was treated with sodium hydroxide combined with corona discharge to modify the surface properties. This was done to improve its adhesive property to ensure effective sizing with starch under different conditions. Scanning electron microscopy photographs showed that the surface of polyester fiber was etched more by the combined process than that by either corona discharge treatment or sodium hydroxide treatment. The results showed that the adhesive property of polyester fabric with starch was improved as a result of the treatment with sodium hydroxide or by corona discharge. However, fabric treated by the combined methods showed even better results. This study shows great potential for applying corona discharge in the sizing process of polyester staple yarn.
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