An approach to the dyeing of semi dull and cationic dye able polyester with disperse dye and comparison with cotton polyester blend dyeing process

SD polyester is a Special type of fiber which is composed of phony methods.1 Researchers have studied for the replacement of the natural fiber, cotton with synthetic fiber, semi-dull polyester. SD polyester provides good spinning quality as well as good durability and strength. The most important feature of Semi dull polyester fiber is that it has the similar appearance of cotton fiber.2 Another three major features of SD polyester fiber as; good color fastness, optimum finish, smoke texture.