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Mechanism of reduction of oxidation of indigo dyes
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Mechanism of reduction of oxidation of indigo dyes

Views:0     Author:Site Editor     Publish Time: 2019-06-28      Origin:Site

Figure 1: Mechanism of reduction of oxidation of indigo dyes

Below the figure shows these dyes have to be reduced before coloration to be transferred into the water-soluble form which have to toward fibers and which after absorption into the fibers to be dyed, must be re-oxidized to the pure water-insoluble dye pigment make the fibers.

reduction of oxidation of VAT dyes

Figure 2: Mechanism of reduction of oxidation of VAT dyes.

In a conventional system, most of the dyes mechanism is used as above. Below I want to show the worldwide dyes consumption of cellulosic fibers.

reduction of oxidation of sulfur dyes

Figure 3: Mechanism of reduction of oxidation of sulfur dyes.


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