What is a vinyl sulphone dye?
These dyes are moderately reactive. The dyeing temperature is 600C and pH 11.5 is used by utilising a mixture of soda ash and caustic soda. These dyes show excellent fixation efficiency under the correct alkaline conditions. Remazol dyes which contains 2-Sulphatoethyl sulphonamide. This is capable of either reaction with cellulose or hydrolysis to the hydroxyethylsulphonamide according to the usual nuchleophilic addition mechanism.
