A kind of dyeing method of nylon
A nylon and fabric dyeing technology, which is applied in the field of nylon dyeing, can solve the problems of high chemical composition measurement requirements, complex realization, and ineffective improvement of color fastness, and achieve process stability, process control, and high color fastness to washing. Effect
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Embodiment 1
[0028] ① Immerse 500kg of cotton fabric in the first dyeing solution containing 1.0gHT-33N and 0.05g SunacidOrange GSN per liter (the total weight of the acid dye is 0.05% of the fabric weight), add 1M hydrochloric acid to adjust the pH to 4.0, Then treat at 98°C for 40 minutes, and then cool to below 60°C to drain;
[0029] ②The fabric treated in step ① is soaped at 40℃ for 20 minutes and then drained;
[0030] ③The fabric treated in step ② is washed at room temperature first, and after draining, it is acid-fixed at 60°C for 30 minutes;
[0031] ④The fabric treated in step ③ is immersed in 35°C hot water containing high molecular polymer and washed for 25 minutes. After draining, it is washed at room temperature.
Embodiment 2
[0033] ①Soak 500kg of cotton fabric in the first dyeing solution containing 2.0g HT-33N and 3.0g Sunacid Orange GSN per liter (the total weight of the acid dye is 0.5% of the fabric weight), and add 2M hydrochloric acid to adjust the pH to 4.5 , Then treat it at 98℃ for 30min, then cool to below 60℃ to drain;
[0034] ②The fabric treated in step ① is soaped at 40°C for 15 minutes and drained;
[0035] ③The fabric treated in step ② is washed at room temperature first, and after draining, it is acid-fixed at 65°C for 15 minutes;
[0036] ④The fabric treated in step ③ is immersed in 35°C hot water containing special high molecular polymers and washed for 25 minutes. After draining, it is washed at room temperature.
Embodiment 3
[0038] ① Immerse 500kg of cotton fabric in the first dye liquor containing 1.8g HT-33N and 2.05g SunacidOrange GSN per liter (the total weight of the acid dye is 1.5% of the fabric weight), and add 1.5M hydrochloric acid to adjust the pH 4.8, then treat at 100℃ for 30min, and then cool to below 60℃ to drain;
[0039] ②The fabric treated in step ① is soaped at 50°C for 18 minutes and drained;
[0040] ③The fabric treated in step ② is washed at room temperature first, and after draining, it is acid-fixed at 75°C for 20 minutes;
[0041] ④The fabric treated in step ③ is immersed in hot water containing a special polymer at 42°C and washed for 18 minutes. After draining, it is washed at room temperature.
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