4. Conclusions
Flax fabric was pretreated by acid cellulase for improving fabric
handle and dyeability. A natural dye extracted from chestnut shell
was applied to cellulase-pretreated flax fabric through exhaust
dyeing. The optimum cellulase-treatment conditions are as follows:
acid cellulase concentration of 15 g/L, liquor ratio 15:1, pH of 4.5 at