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A traditional technique for colouring textiles, yarns, or fibres is called "natural dyeing," and it involves employing dyes made from plants, insects, and minerals. The usage of this age-old technique predates synthetic dyes by thousands of years, as documented by numerous cultures across the globe. In this procedure, colour compounds are extracted from natural sources and applied to textiles using a variety of methods, such as resist dyeing, direct application, or immersion dyeing. Natural dyes are typically more environmentally friendly and biodegradable than synthetic ones, which frequently include harsh chemicals and may have adverse effects on the environment. The relationship between natural colouring and traditional workmanship as well as sustainability is one of its most alluring features. It encourages a greater respect for nature and the use of renewable resources. A vast spectrum of colours can also be produced by natural dyes, however they might be more delicate and complex than their synthetic equivalents. Although natural dyeing has numerous benefits, there are drawbacks as well, including color fastness, consistency, and the availability of dye supplies. However, artists and textile aficionados are still exploring and expanding the potential of natural dyeing techniques in modern contexts through careful experimentation, sharing of knowledge, and creativity. The goal of the current endeavour was to employ the extract that was previously described in a sustainable way. Thus, an attempt is made to colour cotton material at different temperatures utilising alum as a colourant extract and a mordant. To extract colour, the coconut husks were soaked and then cooked for half an hour. The colourant extract and mordants were used to dye the fabric for an hour at a moderate temperature. Tests were conducted on the coloured cloth samples to determine their resistance to light, rubbing, and cleaning. Beneficial results were found. The study's findings so suggest that eco-friendly cotton fabric dyeing has a promising future.
Nandhini et al. (Thu,) studied this question.