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COMPARISON OF NATURAL AND SYNTHETIC ANTI MIGRANTS IN CONTINUOUS DYEING OF 100% POLYESTER

Zulfiqar Ali Noonari, Wazeer Hussain Solangi2, Asghar Ali Channa, Arshad Hussain Memon


As we know polyester is a synthetic fiber and has more crystalline structure than natural fibers. In continuous dyeing of polyester by pad-Thermosol process, there are many advantages such as bulk production, low-cost, good efficiency etc. But during dyeing process there is a severe problem occurs that is dye migration .in order to control the dye migration different migration inhibitors are used in this project. Both natural and synthetic migration inhibitors are applied on the 100% polyester fabric in order to compare that which migration inhibitor hives better results on the pad-Thermosol process. After comparing the different properties of the both migration inhibitors the synthetic inhibitors found more efficient then the natural one. The following tests were conducted during project: Migration test, tensile strength, color strength, bending length, light fatness. Synthetic migration inhibitors gives better results for the tests which were conducted .but there is a problem that the synthetic migration inhibitors are not environmental friendly and they are costly then natural migration inhibitors.