EFFECT OF PLANT EXTRACTS AND CITRUS/BANANA PEELS MORDANTS ON PHYSICO – MECHANICAL CHARACTERISTICS OF VEGETABLE AND CHROME TANNED LEATHER

Publication Date : 01/02/2017


Author(s) :

Ishidi, Y.E., Bello, K.A., Adamu, I.K..


Volume/Issue :
Volume 12
,
Issue 1
(02 - 2017)



Abstract :

The increased cases of allergic reaction against synthetic dyes and the changing environmental conditions, have stirred up the urgent need for an environmentally safe dye. In the current study, six different plants were used for the experiments: Mango (Mangnifera indica), Hibiscus sabdariffa, Savanna mahogany (Khaya senegalensis), Red onion (Alluim cepa) and Annatto (Bixa orellea). The extraction was done using different solvents, namely, chloroform, acetone, ethanol, methanol and water (distilled). The crude extract was used to dye vegetable and chrome tanned leathers with plantain/citrus peels as sources of mordant. Four different microbes were used to ascertain the microbial activities of leathers treated with the plant extract. The results showed that dyes from plant cannot replace synthetic dyes due to low percentage yield of the plants. It was also established that plant extracts do not affect the tensile strength of the finished leather. The use of plantain and citrus peels as a mordant for leather dyeing was established, except for citrus on vegetable tanned leather which showed burning effect.


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