Since the inactivated dyes have similar structure to that of acid dyes,they can be utilized to redye the fiber by changing the power of hydrogen of the dyeing bath,so called the denaturated bath.

• 但是由于已经"失活"的活性染料的结构和酸性染料相似,因此可以利用改变染色浴酸碱性的方法使活性染料实现第2次上染,即所谓的"变性浴"。