Extraction and Analysis of Chemical Constituents of Natural Dyes for Dying Several Fabric Texture

Palak Joshi¹ , Shubhanshi Sisodiya²

Section:Research Paper, Product Type: Journal-Paper
Vol.10 , Issue.5 , pp.16-21, Oct-2023

Online published on Oct 31, 2023

Copyright © Palak Joshi, Shubhanshi Sisodiya . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
History of dyes is several decades old among all over the world. Natural dyes have been widely used for cotton fabric. Natural resources like plants, insects, and minerals are used to make natural dyes. Most natural dyes are vegetable or plant dyes, which are obtained from plants such as roots, berries, bark, leaves, fruits, wood, etc. The two different sorts of dyes are synthetic and natural. Organic compounds that are also referred to as "coal tar dyes" make synthetic dyes. As these dyes are sourced from plant that were discussed previously. Natural dyes are being used, which is a potential advancement in this approach. Natural dyes use a simple extraction technique to replace costly chemical production methods and lower the high cost of metal complex receptors. Natural dyes are easily extracted, widely accessible, and are harmless for the environment. To increase the sustainability of dyes, mordants are used. Mordants are inorganic salts used for pre-treating dyes. These are taken up by the fibres, where they interact with the dye to create a less soluble version. a description of plant-based natural colourants, their classification, the chemical elements involved for producing the various hues, their actions, and the impact of various mordants on the hue are covered in this backdrop. The various kinds of mordants used to fix natural coloration on textile substrates, their actions, and plant sources are also covered. This paper shows how natural dyes are obtained and chemical composition they contain. How dyes are bound with the fabric, and what chemical changes occur while dyeing. To examine the physical and chemical characteristics of the materials under study, numerous experiments were conducted viz. pH measurement, absorbance, qualitative analysis etc. and result so obtained were discussed in full article.

Key-Words / Index Term :
Keywords- Natural dyes, Synthetic dyes, Mordants, Environmentally benign, Textile, Hue, Colorants. Absorbance, Hydrogen ion concentration, Fabric, chemical composition.

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