Abstract
Cotton fabric was dyed with C.I. Reactive Black 5 with different dye mass, followed the treatments of soaping, dye fixing, and wet rubbing improving. The wash fastness, rubbing fastness, and colour uniformity of dyed cotton were inspected. The results show that the entire utilized textile auxiliaries did not cause a yellowness problem. After application of the dye fixative and wet rubbing improver, to the deep black shade cotton (15% o.m.f), the wash fastnesses were all at grade 5, and reached at grade 5 and 3-4 of dry and wet of rubbing fastness respectively. The wet rubbing improver improved half grade of wet rubbing for dye o.m.f less than 8%, but did not have any contribution for deep shade.
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