Abstract
To improve the crease resistance, we studied the effects of silicone-urethane copolymer coating on cellulose fabrics, such as those on the crease resistance, bursting strength, tensile strength, and water absorbency. With increase in the concentration of silicone-urethane copolymer, wrinkle recovery increased but other properties of fabrics such as bursting strength, tensile strength and water absorbency decreased. Wrinkle recovery of fabrics increased by the treatment with DMDHI (dimethyl dihydroxy imidazolinone) resin and silicone-urethane copolymer, and the maximum value was obtained with 20 wt% DMDHI resin, 6 wt% catalyst and 3 wt% silicone-urethane copolymer, respectively. The water absorbency value of fabrics treated with resin was similar to that of untreated, but decreased considerably by the addition of silicone-urethane copolymer. The surface of fabrics treated with resin and additive were observed on a image analyzer. The surface hairiness was reduced and the alignment of fibers in the fabric became uniform and the fabric became dense by resin and additive treatment.
