Experimental Yarns from Partially Acetylated Cotton and Blends with Untreated Cotton

Abstract

A number of experimental yarns were spun from partially acetylatecl (PA) cotton stock to determine some of the factors that improve its mechanical processing and yarn properties. These studies indicated that blending PA cotton stock with raw cotton was a better method of preparation for mechanical processing than the use of an antistatic treatment on the PA stock. Blending resulted in better mechanical processing and im proved yarn properties at a lower cost. Blending high acetyl PA cotton with 40% raw cotton was considered to be the best method of preparation. PA stock prepared from a rain-grown cotton exhibited better mechanical processing characteristics than stock pre pared from a longer-staple irrigated cotton. However, yarns spun from the latter type of PA cotton had better properties of strength, elongation, and flex abrasion resistance. The use of a higher twist multiplier in spinning and plying resulted in PA cotton yarns having improved properties of elongation and flex abrasion resistance.