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The impact of the initial concentration of the dye on the exhaustion degree and the quantity of the adsorbed dye on the flax fiber during dyeing (Dye exhaustion-black symbols, full line; q t-white symbols, interrupted line)
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... Second, less-polluting and more recyclable means that materials should come from local or bioregional proximity; materials can be composted through biodegradation and compost recycled to the environment when their usefulness has been exhausted. For indigo, studies have shown that lighter colors have a shorter biodegradation time, and darker colors take longer [30]. Therefore, after clothing with different indigo dyes is recycled, it will inevitably have a different biodegradation time due to the different degrees of chromaticity. ...
... Moreover, the production steps can be complicated or simple according to requirements and designs, thus exhibiting good energy efficiency. Regarding dyeing time, dark color fabrics need a longer dyeing time, which allows fabrics to absorb more dye [30]. Therefore, regarding indigo dyeing, lighter colors are more resource-saving. ...
... For indigo, studies have shown that lighter colors have a shorter biodegradation time, and darker colors take longer [30]. Therefore, after the indigo-dyed clothing of different colors is recycled, it would inevitably have a different biodegradation time due to the different degrees of chromaticity. ...
Various colors of clothing originating from synthetic dyes are presently causing serious environmental pollution problems, whereas natural dyes extracted from indigo plants help to reduce harm to the environment and extend the sustainable use of clothing. This study focuses on the difference between indigo dyeing colors and the environment on the basis of sustainable design. This study surveyed 105 postgraduates and college students through repeated measurements of ANOVA. The results reveal that light colors are considered to conform to the sustainable spirit more than dark colors in different indigo shades. In fact, a recyclable light-colored indigo-dyed t-shirt is beneficial due to its reusability. Indigo-dyed fabric can be decomposed by a variety of microorganisms; however, light-colored indigo dyeing takes a shorter amount of time. Light-colored indigo dyeing is more resource-saving when considering dye, water and electricity costs. The results of the relationship between colors and environmental protection provide scheme references to consumers or industries for clothing collocation of different indigo dyeing colors for a series of blue clothing, and carry out the idea of sustainability and co-existence between clothing and natural resources.
... Furthermore, steps in the manufacturing process are suitable for being complicated or simple according to requirement or design. Regarding dyeing time, dark color fabrics need longer dyeing time, which leads fabrics to absorb more dye [21](Vučković et al., 2018). ...
Various colors of clothing originating from synthetic dyes are presently causing serious environmental pollution problems, whereas natural dyes extracted from natural indigo plants help reduce the harm to the environment and extend the sustainable use of clothing. This study focuses on the relation between indigo dyeing colors and the environment on the basis of sustainable design. The results reveal that light colors are considered to conform to the sustainable spirit more than dark colors in different indigo colors. In fact, the recyclable light-colored indigo dyeing t-shirt is beneficial in its reuse. Indigo dyeing fabric can be decomposed by a variety of microorganisms; however, the light-colored indigo dyeing takes a short time. Light colored indigo dyeing is more resource-saving when considering dye, water and electricity costs. The results of colors and environmental protection provide scheme references to consumers or industry for clothing collocation of different indigo dyeing colors for a series of blue clothing and carry out the ideal of the sustainability and co-existence between clothing and natural resources.
