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Sonicator dyeing of natural polymers with <Emphasis Type="Italic">Symplocos spicata</Emphasis> by metal chelation |
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| Authors: | Padma S Vankar Rakhi Shanker Shalini Dixit Debajit Mahanta S C Tiwari |
| Institution: | (1) Facility for Ecological and Analytical Testing, Indian Institute of Technology, Kanpur, 208 016, India;(2) Arunachal Pradesh State Council for Science & Technology, Itanagar, 791 113, Arunachal Pradesh, India;(3) Department of Forestry, Wild Life and Environmental Sciences, Guru Ghasidas University, Bilaspur, 495 009, Chhattisgarh, India |
| Abstract: | Symplocos spicata (local name: Dom sheng) belonging to Family Symplococeae produces yellowish brown natural dye which has been used for dyeing textiles since ancient times by the Monpas tribe of Arunachal Pradesh. Symplocos spicata (Dom Sheng) was found in the Lumla area of Tawang district. Leaves of the plant are used by the Monpas and Tibetans for extraction of dye. Innovative sonicator dyeing with S. spicata showed that pretreatment with 2–4% metal mordant of the weight of the fabric is optimum showing very good fastness properties for dyed natural polymers such as cotton, wool, and silk. CIELab and K/S of the dyed fabrics were also evaluated. The superiority of sonicator dyeing over conventional dyeing has been established through this study. |
| Keywords: | Symplocos spicata natural dye Natural polymers-cotton Wool Silk Natural dyeing |
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