Discharge process of fiber dyed fabric and fiberdyed yarn capable of being discharged
A technology of textile and colored spinning, which is applied in the field of discharge dyeing of colored textiles. It can solve the problems that colored spinning cannot be used for discharge printing, single color, and the color of color discharge is single, so as to achieve rich color and style diversity. , Dyeing shade control is simple and correct, with advanced and original effects
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Embodiment 1
[0024] Example 1: Removable Cotton Loose Fiber Dyeing
[0025] Choose 160 kilograms of cotton sliver loose fibers for use, put it into a solution with a bath ratio of 1:8 and 12 g / liter of chelating dispersant CT powder (soft water effect) at room temperature, add penetrating agent JFC 2%, scouring agent SA 0.5% Keep warm at 60°C for 20 minutes, let off the corner water, use discharge dyeing black K-GR with 5% removable dye, dye with conventional cotton loose fibers, wash with water, add 0.5% acetic acid to neutralize at 60°C to pH 6-7, add RS Soaping powder 1.5% heat up to 95°C for soaping for 10 minutes, after hot washing with water, add soft oil SL-92% at 60°C for 20 minutes.
Embodiment 2
[0026] Embodiment 2: Dyeing of loose fiber of pulling resistance
[0027] First, the dye is reduced in a dry vat. The dye formula is vat green 1.7% vat yellow 0.3%, caustic soda 30% 25g / L is added to the auxiliary vat of the dye vat, the concentration of the chemical is 1%, start stirring, heat up to 60°C, add insurance Powder 16g / L, keep warm for 150-20 minutes, fully reduce, and carry out pretreatment of cotton while reducing the dye drying tank, add penetrating agent JFC 2%, scouring agent SA0.5%, keep warm at 60°C for 20 minutes, let go Water, adjust the bath ratio 1:15, raise the temperature to 60°C, add the remaining 4g / L of hydrosulfite, add 1% Pingping O as a dye retarder, keep warm for 5 minutes, add the reduced dye, and keep warm for 30-60 minutes , After letting go of the horny water, oxidize in air, add 0.5% acetic acid at 60°C to neutralize to pH 6~7, add 1.5% RS soaping powder and heat up to 95°C for soaping for 10 minutes, after hot washing with water, add soft ...
Embodiment 3
[0028] Embodiment 3: pull out white
[0029] 95% of white cotton and 5% of extractable black colored cotton (production in Example 1) are woven according to the color spinning production process, and the whitening pulp is prepared and added with 20% carved white block, whitening agent MST 0.5% for cotton, urea 4%, 4% glycerin, 10% white paint, add 15% paste CMSF-10, perform whitening according to the required printing process, steam at 102°C for 12 minutes, wash in cold water, soap in boiling water, and dry.
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