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nature : dye application terminology. To dye for textiles or other materials, through the appropriate treatment, so that pollutants were uniform in color processing. According to the different dyes, dyeing methods can be divided into : (a) direct staining dyes dissolved or dispersed in water, can directly at the feature of fibrous material (or the necessary post-processing), such as direct dye, acid dyes, the reaction Dye staining; (2) staining media , dyes through Mordant feature of the role in the fibrous material, such as the media dye staining; (3) to reinstate the staining dyes after 1984, can be dissolved in feature of fiber materials and by oxidation and restore the original color, such as dyeing vat dyes; (4) insoluble dye the staining, or to dye intermediates manufactured solution, the fibrous material effect on the chemical reaction to form insoluble dye ice with the coloring dye.
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