01 Acid Dyes
Acid dyes yog anionic, soluble hauv dej thiab yog siv los ntawm acidic da dej. Cov dyes muaj cov acidic pawg, xws li SO3H thiab COOH thiab yog siv rau ntaub plaub, txhob lo lo ntxhuav thiab nylon thaum ionic daim ntawv cog lus yog tsim los ntawm protonated -NH2 pab pawg neeg fiber thiab ib tug ...