Many of the transfer properties of a fabric can be altered by modifying its geometry. The most important fibre property which has a direct bearing on the fabric geometry is the packing characteristic of the fibres in yarn. In this work, structurally modified cotton knitted fabrics were developed by reducing fibre packing and increasing air pockets (porosity) in the yarn structure. Thermal, moisture and air transfer, and geometrical characteristics of the fabrics with modified yarn structure developed by removing the core component of cotton covered polyester core-spun ring yarns after knitting were studied in this article. The modified cotton yarn knitted fabrics give better thermal insulation and warmer feeling when compared to normal yarn knitted fabrics. They exhibit better air and moisture transfer properties. They exhibit less spirality, lower fabric packing factor, higher porosity, stable loop configuration and are lighter in weight compared to normal yarn knitted fabrics.

Share