The most fundamental difference between dyes and pigments
Pigment is oil-soluble, there is no soluble ionic groups, in the water can only show a dispersed state, can not dissolve. Can not be used directly to dye textile fibers, the most commonly used as paint, paint, paint the pigment.
Dye is water-soluble, is containing ionic groups, in the aqueous solution appears completely dissolved colloidal solution state, can be used to dye a variety of textile fibers.
