Neutral dye composition
A technology for neutral dyes and dye compounds, applied in the field of neutral dye compositions, can solve the problems of poor homochromaticity, incomplete chromatography, poor fastness and the like
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[0056] Example 1 Dark blue dye composition
[0057] 1. Formula
[0058]
[0059] The above content is calculated based on the weight percentage of the dry dye product.
[0060] 2. Preparation of dye composition
[0061] The wet cake of the dye and the auxiliary agent are mixed according to the above proportion. After drying, the finished product is obtained.
Example Embodiment
[0062] Example 2 Gray dye composition
[0063] 1. Formula
[0064]
[0065] The above content is calculated based on the weight percentage of the dry dye product.
[0066] 2. Preparation of dye composition
[0067] The wet cake of the dye and the auxiliary agent are mixed according to the above proportion. After drying, the finished product is obtained.
Example Embodiment
[0068] Example 3 Black dye composition
[0069] 1. Formula
[0070]
[0071]
[0072] The above content is calculated as the weight percentage of the dry dye
[0073] 2. Preparation of dye composition
[0074] The wet cake of the dye and the auxiliary agent are mixed according to the above proportion. After drying, the finished product is obtained.
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