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Mechanism of traditional Bogolan dyeing technique with clay on cotton fabric
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2010 (English)In: Applied Clay Science, ISSN 0169-1317, E-ISSN 1872-9053, Vol. 50, no 4, 455-460 p.Article in journal (Refereed) Published
Abstract [en]

Bogolan is a traditional dyeing technique deeply rooted in Mali It uses local clays from Niger River region and a leave extract from N galama trees (Anogeissus leiocarpa) The clay contains a significant amount of iron (hydr)oxides mainly akaganeite It reacts with N galama coating onto cotton to form black or brown colors UV/Vis and IR spectroscopy indicated very similar behavior of N galama leaves extract and carboxylic aromatic acids mainly ellagic or gallic acids which form dark colored complexes with iron Since iron (hydr) oxides are coated on clay mineral particles they contribute to the fixation of the Clay mineral particles and also cause the dark color X-ray diffraction of oriented tissue and SEM observations confirmed the presence of clay particles attached on the fiber surface.

Place, publisher, year, edition, pages
2010. Vol. 50, no 4, 455-460 p.
Keyword [en]
Clay, Dye, Coton, Bogolan, Mali
National Category
Natural Sciences
URN: urn:nbn:se:su:diva-66253DOI: 10.1016/j.clay.2010.08.029ISI: 000285856400002OAI: diva2:467362
authorCount :10Available from: 2011-12-19 Created: 2011-12-19 Last updated: 2011-12-19Bibliographically approved

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Bergström, Lennart
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Department of Materials and Environmental Chemistry (MMK)
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