7Das D Samanta A K, Dasgupta P C. Reactive dye behav- ior of ramie fabrics pretreated with different swelling a- gents and their rub fastness property[J]. Indian Journal of Fibre or Textile Research, 1997, 22(1) :53--60.
8WILSON R L. The reaction of urea on thennosol process [J]. Textilvesedlang, 1997, 12(3):1 130--1 150.