Effects of washing on performance of denim fabric containing kapok fiber

Washing is carried out on kapok denim fabric with common washing, peroxide bleaching,chloride bleaching,manganese bleaching and enzyme bleaching respectively. Influences of washing methods on K/S value,pereability,breaking strength and breaking elongation of kapok denim fabric are discussed. The results show that the fading effect is not abvious except with manganese bleaching and peroxide bleaching, but decreases by 14% or more after mangnese bleaching and peroxide bleaching,but decrease by 14% afer enzyme bleaching,and keeps almost the same after chlorine bleaching and general washing. Breaking strength in warp and weft increases after chlorine and peroxide bleaching,but decrease after manganese and enzyme bleaching,and decrease in warp and changes a little in weft after general washing.