Process for printing and dyeing wool fabric
A printing and dyeing process and fabric technology, applied in the field of wool fabric dyeing process, can solve the problems of low chromaticity, more waste water, large bath ratio, etc., and achieve the effects of reducing dyeing bath ratio, reducing dosage and improving color fastness.
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[0030] Example 1
[0031] (1) Preparation process: prepare dyed wool fabric;
[0032] (2) Pretreatment process: chlorinated dephosphorization of wool fabrics, bleaching, washing, reduction rinsing, washing, and drying with a concentration of 2.5% brightener;
[0033] (3) Ionic liquid treatment process: the pretreatment volume concentration of hydrophobic ionic liquid is 5%;
[0034] (4) Printing and dyeing process: dyeing the wool fabric treated with ionic liquid, sodium hydroxide 2g / L, sodium carbonate 8g / L, aldehyde-free fixing agent L 3g / L, leveling agent TF-210 3g / L , Reactive dye 0.5g / L is put into water in turn, after the fuel is dissolved at room temperature, the wool fabric is immersed in the dye solution, and then the printing and dyeing auxiliary and acid release agent ammonium acetate are added. The wool fabric is immersed in the dye solution for 30 minutes. The ratio is 1:10, the temperature is raised to 50°C, softener is added, the temperature is kept for 30 minutes, the...
Example Embodiment
[0039] Example 2
[0040] (1) Preparation process: prepare dyed wool fabric;
[0041] (2) Pre-treatment process: chlorination and dephosphorization of wool fabrics, bleaching, washing, reduction rinsing, washing, and drying with a concentration of 3% brightener;
[0042] (3) Ionic liquid treatment process: the pretreatment volume concentration of hydrophobic ionic liquid is 8%;
[0043] (4) Printing and dyeing process: dye the wool fabric treated with ionic liquid, 3g / L sodium hydroxide, 10g / L sodium carbonate, aldehyde-free fixing agent L 4g / L, leveling agent TF-210 4g / L , 1g / L reactive dyestuffs are put into the water in turn, after the fuel is dissolved at room temperature, the wool fabric is immersed in the dye solution, and then the printing and dyeing auxiliary and ammonium sulfate acid release agent are added. The wool fabric is immersed in the dye solution for 30 minutes, bath ratio Raise the temperature to 50°C at 1:15, add softener, keep for 35 minutes, adjust the pH to 7.5...
Example Embodiment
[0048] Example 3
[0049] (1) Preparation process: prepare dyed wool fabric;
[0050] (2) Pre-treatment process: chlorination and dephosphorization of wool fabrics, bleaching, washing, reduction rinsing, washing, and drying with a 4% brightener;
[0051] (3) Ionic liquid treatment process: the pretreatment volume concentration of hydrophobic ionic liquid is 10%;
[0052] (4) Printing and dyeing process: dye the wool fabric treated with ionic liquid, sodium hydroxide 4g / L, sodium carbonate 16g / L, aldehyde-free fixing agent L 5g / L, leveling agent TF-210 5g / L , Reactive dye 1.5g / L is put into the water one by one. After the fuel is dissolved at room temperature, the wool fabric is immersed in the dye solution and then the printing and dyeing auxiliaries and ammonium sulfate acid release agent are added. The wool fabric is immersed in the dye solution for 30 minutes. The ratio is 1:20, heat up to 50℃, add softener, keep for 40min, adjust the pH to 7.5, heat up to 75℃, keep for 30 minutes...
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