Abstract
The present work is concerned with the study of the characteristics of plain-woven fabric produced with cotton–acrylic high-bulk yarns. Cotton–acrylic blended bulked yarns of various yarn counts, proportion of shrinkable acrylic fibre and twist levels have been prepared by relaxing shrinkable component of the yarns using boiling water treatment. A three-variable factorial design technique proposed by Box and Behnken has been used to study the interaction effects of the variables on the characteristics of fabrics. The influence of these three variables on the physical, handle and comfort properties of fabrics is studied, the response surface equations for all the properties have been derived and the design variables are optimized for various fabric properties. These fabrics have improved thermal resistance, air permeability and moisture vapour transmission as compared to that of 100% cotton fabric. The reduction in initial modulus and bending rigidity is also observed.
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