What is a Dyes: Explained completely
by : Rahul Sharma
A dye is a Colored substance that chemically bonds to the substrate to which it is benig applied. This distinguishes dyes from pigments which do not chemically bind to the material they color. The dye is generally applied in an aqueous solution, and may require a mordant to improve the fastness of the dye on the fiber .
Both dyes and pigments are colored, because they absorb only some wavelengths of visible light. Dyes are usually soluble in water whereas pigments are insoluble. Some dyes can be rendered insoluble with the addition of salt to produce a lake pigment.
Acid dyes, Reactive dyes, Basic dyes, Solvent dyes, Mordant dyes etc are type of dyes.
