The effect of raw materials on the stiffness of elastic knitted fabrics

Abstract

The purpose of this work is to determine an efect of the raw material content of an elastic knitted fabric on its stiffness. Experimental knitted fabrics were produced using three weft yarn differ by raw materials and with five repeat of elastomeric threading into guide bar. It was established that both the weft yarn type and set of elastomer changed significally the stiffness of elastic warp knitted fabric. The obtained results showed that an increase in the set of elastomer from 50% to full increased the bending rigidity of fabric two times for fabric with cotton weft yarn and five times for fabric with polyester weft yarn. For the fabric with the same set of elastomer (2 in, 1 out) the one with linen weft yarn got the highest bending regidity value. Within this study mathematical dependence of bending regidity on the set of elastomer and on mass per sq.meter were eatablished.