| 摘要 |
The invention relates to a manufacturing process for a dyed textile substrate having an improved level of colourfastness in wet conditions. It relates in particular to a method of fixing the dye of a textile substrate, the substrate being dyed with a colouring agent, and the dyed substrate being subsequently treated by applying a natural or synthetic tannin. Said process is characterised in that when the textile has been dyed and has undergone tannin treatment, it undergoes a treatment in which a fixing agent is applied in the form of a solution or dispersion of a N-methylole organic compound and/or a polybasic amine compound. The invention improves, in particular, the level of colourfastness in wet conditions in dyed textiles comprising polyamide threads and elastothane threads. |
