- Acid dye for polyamide fiber dyeing and preparation method thereof (by machine translation)
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The invention discloses an acid dye, for polyamide fiber dyeing, which has a chemical structural general formula of: R Is an aromatic sulfonic acid group . and the invention also provides a preparation method. of the acid dye, and the acid dye, prepared by the invention does not contain a heavy metal, as a novel acid dye and has excellent water treatment fastness, and bright color light. (by machine translation)
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Paragraph 0040; 0043-0044
(2020/03/25)
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