What is the deepening mechanism of silicone oil(i) 2024-01-17
In recent years, customers have increasingly higher requirements for the color depth of dark fabrics (especially reactive black, vulcanized black, and dispersed black). At present, dyeing factories mainly use two methods to deepen the fabric's extra-dark colors: one is to cationically modify the surface of the fabric to make the cationic fibers and anionic dyes more adsorbent and improve the dye uptake rate and dye absorption rate of the fabric. Fixation rate, so as to achieve the purpose of dyeing a darker color; second, use optical principles to change human vision, so as to achieve the purpose of making the dye appear darker.
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