Abstract
Perforation of a fabric during sewing of garments made from knitted fabrics is one of the problematic issues. This defect occurs when threads on the knitted fabric break. In textile materials, thread breakage is characterized by complete or partial breakage of individual threads in the fabric during sewing. The porosity of fabrics can be divided into visible and invisible types, which can be eliminated by processing using different compositions. This paper explores application of soft cationic surfactants, amino modified silicone oil – 350, amino modified silicone oil – 200, DMC amino modified silicone oil – 350 and silicone-based softeners to knitted fabrics. Based on findings from experiments on the effects of variable process factors on perforation of knitted fabrics in sewing processes, it has been recommended to use imported silicone-based softener and local amino-modified silicone oil-350. The experiment findings helped to develop a technological sequence and composition of the final finishing process of «softening» of knitted fabrics using selected softeners. The experiment showed that it is expedient to heat-treat a fabric soaked in a softener solution for 5 minutes at a temperature of 140 0 C.
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