Dyeing and Printing

Dyeing And Printing 3(2+1)

Lesson 02 : Classification Of Dyes

Synthetic Dyes

Synthetic dyes were first derived from coal tar in 1856. The synthetic dyes are constantly being improved as to beauty of colour and colour fastness. They are mostly accepted because of their bright colours and fastness properties.

The classification of the synthetic dyes based on the particular type of chemical composition/method of application of the dye is as follows.