Eco-friendly dyeing of wool fabric with a natural dye extracted from barks of Odina wodier

The present investigation was carried out to eco-friendly dyeing of wool with natural dye from barks of Odina wodier. It belongs to family Anacardiaceae, commonly known as votiyar tree. The dye has good scope in the commercial dyeing of wool in textile industry. In the present study, bleached wool fabrics were dyed with different chemical and natural mordants. Dyeing was carried out by pre-mordanting, post mordanting and simultaneous mordanting. The dyed wool fabrics have shown good washing, light and rubbing fastness properties. The various colour changes on wool were measured by computer colour matching software. The range of colour developed on dyed fabrics were evaluated in terms of (L*a*b*) CIELAB coordinates and the dye absorption on the wool was studied by using K/S values. ICPMS studies have proved that, heavy metals such as antimony, arsenic, cadmium and lead were not present in the dye extract.

Author(s): P. Saravanan, G. Chandramohan, J. Mariajancyrani and K. Kiruthikajothi

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