Method for dyeing textile cloth
A dyeing method and technology for textile fabrics, applied in the field of dyeing technology, can solve problems such as easy color fading, and achieve the effects of reducing the hydrolysis rate and improving the utilization rate
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Embodiment 1
[0032] Step 1. First add lye to the dyeing vat, then place the chemical fiber textile to be dyed in the dyeing vat for padding lye treatment;
[0033] The lye is a mixture of sodium hydroxide 6g / L, polyoxyethylene fatty alcohol ether 1g / L, alcohol organic solvent and water, wherein the volume ratio of alcohol organic solvent and water in the lye is 1:2.
[0034] Step 2. Add dye and water into the dyeing vat, soak the chemical fiber textile cloth in the dyeing vat for 1 hour, first raise the temperature to 80°C at a speed of 5°C / min and keep it warm for 2 hours, then raise the temperature at a speed of 2°C / min to 85°C; the bath ratio of chemical fiber woven fabrics is 1:20;
[0035] The composition of the dyeing agent is: diphenyl ether tetra-acid dianhydride 9g / L, polypropylene glycol 3g / L, mica powder 18g / L, zinc stearate 2g / L, propyl acetate 5g / L, iron oxide red 10g / L, Ethyltriethoxysilane 7g / L, sodium hydroxide 6g / L, sodium carbonate 4g / L, ethanol 4g / L, water 41g / L, polyvi...
Embodiment 2
[0041] Step 1. First add lye to the dyeing vat, then place the chemical fiber textile to be dyed in the dyeing vat for padding lye treatment;
[0042] The lye is a mixture of sodium hydroxide 15g / L, polyoxyethylene fatty alcohol ether 4g / L, alcohol organic solvent and water, wherein the volume ratio of alcohol organic solvent and water in the lye is 1:3.
[0043] Step 2. Add dye and water to the dyeing vat, soak the chemical fiber textile cloth in the dyeing vat for 1.5 hours, first raise the temperature to 70°C at a speed of 4°C / min and keep it warm for 2 hours, then raise the temperature at a speed of 1.5°C / min to 88°C; the bath ratio of chemical fiber woven fabrics is 1:20;
[0044] The composition of the dyeing agent is: diphenyl ether tetra-acid dianhydride 9g / L, polypropylene glycol 4g / L, mica powder 19g / L, zinc stearate 3g / L, propyl acetate 5g / L, iron oxide red 10g / L, Ethyltriethoxysilane 8g / L, sodium hydroxide 7g / L, sodium carbonate 5.5g / L, ethanol 4.5g / L, water 40g / L...
Embodiment 3
[0050] Step 1. First add lye to the dyeing vat, then place the chemical fiber textile to be dyed in the dyeing vat for padding lye treatment;
[0051] The lye is a mixture of sodium hydroxide 10g / L, polyoxyethylene fatty alcohol ether 4g / L, alcohol organic solvent and water, wherein the volume ratio of alcohol organic solvent and water in the lye is 1:5.
[0052] Step 2. Add dye and water to the dyeing vat, soak the chemical fiber textile cloth in the dyeing vat for 2 hours, first raise the temperature to 80°C at a speed of 5°C / min and keep it warm for 2 hours, then raise the temperature at a speed of 2°C / min to 89°C; the bath ratio of chemical fiber woven fabrics is 1:20;
[0053]The composition of the dyeing agent is: diphenyl ether tetra-acid dianhydride 9.5g / L, polypropylene glycol 3g / L, mica powder 20g / L, zinc stearate 3g / L, propyl acetate 5g / L, iron oxide red 11g / L , ethyltriethoxysilane 8.5g / L, sodium hydroxide 7.8g / L, sodium carbonate 6.2g / L, ethanol 4g / L, water 43g / L...
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