The bright coloured product with good tinctorial power and stability was obtained by the crystal transition and surface treatment to carbazole violet, which is prospect.
Touramaline has many varieties in the nature,and a majority of powder of them is black or cinerous,so their application in the fields where need colour requirements is affected.
The paper deals with the fact that chemical modification and crosslinkage can increase the reactivity of cellulose fibers to dyes and the raise of fixation can thus be achieved.