METHOD FOR SOAPING OR CLEANING MATERIAL DIPPED AND DYED WITH REACTIVE DYE

摘要

PURPOSE: To efficiently remove an unfixed dye in a short time by soaping a cellulose fiber dyed material dipped and dyed with a reactive dye by using a bath containing a persulfate. ;CONSTITUTION: Cellulose fibers are dipped and dyed with a reactive dye to give a dyed material, which is previously washed with warm water and water and an unfixed dye and a coloring chemical are removed to a certain degree. The dyed material is washed at 80-98°C by using a soaping bath containing 0.01-2%owf so that a cleaning time is shortened and soaping or cleaning is rationalized to give a clear dyed material having excellent fastness. Influence to environment can be reduced.;COPYRIGHT: (C)1993,JPO&Japio