Optimization of alkaline extraction of natural dye from Henna leaves and its dyeing on cotton by exhaust method |
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| Authors: | Shaukat Ali Tanveer Hussain Rakhshanda Nawaz |
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| Institution: | 1. Department of Chemistry, University of Agriculture, Faisalabad, Pakistan;2. Department of Textile Chemistry, National Textile University, Faisalabad, Pakistan;1. Dokuz Eylül University, Faculty of Fine Arts, Textile and Fashion Design Department, 35320 Balçova, ?zmir, Turkey;2. Ege University, Faculty of Engineering, Textile Engineering Department, 35100 Bornova, ?zmir, Turkey;1. Department of Textile Science and Technology, Faculty of Science and Technology, Thammasat University, Pathumthani 12121, Thailand;2. National Metal and Materials Technology Center, National Science and Technology Development Agency, Pathumthani 12120, Thailand;3. Department of Textile Science, Faculty of Agro-Industry, Kasetsart University, Bangkok 10900, Thailand;4. Department of Textile Chemistry Technology, Faculty of Industrial Textiles and Fashion Design, Rajamangala University of Technology Phra Nakhon, Bangkok 10300, Thailand;1. Department of Chemistry, Jamia Millia Islamia, New Delhi-110025, India;2. Department of Post Harvest Engineering and Technology, Faculty of Agricultural Sciences A.M.U, Aligarh-202002, U.P., India;1. Research Unit of Applied Chemistry and Environment, Faculty of Sciences of Monastir, 5000 Monastir, Tunisia;2. Higher Institute of Fashion of Monastir, 5019 Monastir, Tunisia;1. Institute of Radiation and Polymer Technology, Atomic Energy Research Establishment, Bangladesh Atomic Energy Commission, P.O. Box 3787, Dhaka 1000, Bangladesh;2. Institute of Nuclear Science & Technology, Atomic Energy Research Establishment, Bangladesh Atomic Energy Commission, P.O. Box 3787, Dhaka 1000, Bangladesh;3. Institute of Computer Science, Atomic Energy Research Establishment, Bangladesh Atomic Energy Commission, P.O. Box 3787, Dhaka 1000, Bangladesh;4. Depeartment of Physics, Jagannath University, Dhaka 1000, Bangladesh;1. Institute of Legal Medicine, Goethe-University Frankfurt, Kennedyallee 104, D-60596 Frankfurt/Main, Germany;2. Institute for Pharmaceutical Chemistry, Goethe-University Frankfurt, Max-von-Laue-Str. 9, D-60438 Frankfurt/Main, Germany |
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| Abstract: | The alkaline conditions for extraction of natural dye from Henna leaves were optimized and the resulting extract was used to further optimize its dyeing conditions on cotton by exhaust method. Dyeings without any mordant were compared with those obtained with premordanting and postmordanting with alum and iron. It was found that dyeings produced with alkaline extracts of Henna leaves have better colour strength than the dye extracts obtained in distilled water. Furthermore, dyeings with alkaline extracts have moderate to good fastness properties and that mordanting did not result in any significant improvement in fastness properties. Finally, in comparative studies between synthetic and this natural dye, it was inferred that natural dye has good potential to act as co-partner with synthetic dye. |
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