This paper discusses the principles of control and over-reduction of indanthrene blue RSN in the dyeing process.
讨论了还原蓝rsn在染色过程中过还原及其控制的原理。
2
In this paper the method of recovering indanthrene dye with PS-1 type ultrafilter made by ourselves is described.
本文叙述了用自制PS - 1型超滤器回收士林染料的方法。
3
Colored discharge printing of deep ground cotton fabric was carried out with indanthrene dyes. The printing effect which can not be got by direct printing method now was realized.