Q » Explain the process of Direct dyes.
31 Oct, 2025
A » Direct dyes are water-soluble anionic dyes that adhere to cellulose fibers through hydrogen bonding and Van der Waals forces. These dyes are applied in a neutral or slightly alkaline bath, often with added electrolytes like sodium chloride, to enhance dye uptake. The process is straightforward, allowing for easy application on cotton, paper, and leather, providing vibrant colors with reasonable wash fastness in an economical and efficient manner.
31 Oct, 2025
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