The former improve the dyeing result by competing with acid dyes anion, the latter achieve the levelling effect by improving the solubility of acid dyes and combining with acid dyes ion.
另一类为亲染料型匀染剂，它可提高染料的溶解度且与染料离子有一定的结合力，从而达到匀染目的。
2
Novel cationic levelling agent KY-1 was developed through orthogonal experiment. The product can raise the dyeing quality of polyacrylic fibre.
通过正交实验研制了新型阳子匀染剂KY -1，可提高腈纶染色质量。
3
Levelling agent is one of important textile auxiliaries and it has dying performances such as migrating and retarding abilities. It can improve the dyeing result evidently.