Journal
CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY
Volume 13, Issue 1, Pages 207-213Publisher
SPRINGER
DOI: 10.1007/s10098-010-0296-2
Keywords
Sticta coronata; Silk dyeing; Ultrasonic; Catechu; Alum
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Funding
- School of Chemical and Physical Science, Faculty of Science, Victoria University of Wellington, NZ
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Alluded to the current collaboration of the environmental technology, this article focused on the ultrasonic efficiency for dyeing silk fabric with sticta coronata lichen in the presence of alum and catechu mild mordants. The spectrophotometer studies on the dye uptake and fixation have been demonstrated, as well as, the influence of mordants and their combination on the colorimetric properties and light fastness. The results indicated that sticta coronata dye had a good substantively to silk fabric with brilliant lilac color. The pre-mordanting process exhibited a significant effect on the color strength, hue, and light fastness depending on the mordant type and concentration. The use of ultrasonic energy is found to have a significant improvement in the dye uptake representing the sonication efficiency in textile dyeing.
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