A kind of disperse dark blue dye composition for superfine fiber
A dye composition, a technology for dispersing dark blue, applied in the field of dyes, can solve the problems of reduced wet treatment fastness, dye migration to the surface, high amorphous content of fibers, and achieve the effects of high washing fastness and good dye depth.
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Embodiment 2-15 and comparative example 1-4
[0034] According to the ratio shown in Table 1, other operations are as in Example 1.
[0035] Table 1
[0036]
[0037]
Embodiment 16
[0039] Get the disperse dye that above-mentioned embodiment and comparative example make carry out printing and dyeing property test, test method is as follows:
[0040] Each get the disperse dye that 0.5g embodiment 1-15 and comparative example 1-4 make, make the disperse dye suspension that concentration is 1.0g / L respectively with water, get the water mixing of 20mL disperse dye suspension and 80mL, use Adjust the pH to 4.5-5.0 with acetic acid, then raise the temperature to 60°C, add 2g of polyester microfibers for dyeing, raise the temperature to 130°C within 35 minutes, keep the temperature for 30 minutes, and take samples when cooled to 80°C. Observe the shade of the cloth sample and measure its color fastness using GB / T3921, GB / T3920-1997, GB / T5718-1997, and measure the color uptake of the dye by GB / T9337-2009. The measurement results are shown in Table 2.
[0041] Table 2 Units: Grade
[0042]
[0043]
[0044] The three components A, B, C, and D of the presen...
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