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1 Autex Research Journal

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Some studies on dyeing properties of cotton fabrics with Crocus sativus (saffron) (flowers) using an ultrasonic method

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Kamel M. M. , Helmy H. M. , El Hawary N. S.

2009

tom Vol. 9, no. 1

29--35

Cotton fabrics were dyed with natural colouring matter extracted from Crocus sativus (saffron) using a traditional heating method and a power ultrasonic method. Factors affecting the dyeing properties such as pH values, salt concentration, temperature, duration of dyeing bath, and ultrasonic power were studied. Environmentally friendly mordants were used in pre-mordanting, post-mordanting, and simultaneous-mordanting methods. The fastness properties including light, washing, and perspiration of dyed and mordanted fabrics were assessed. Colour strength (K/S) was measured for dyed and dyed mordanted cotton fabrics.