Once-wash multiple-active perssad dye mixed base dyeing method for natural silk blend fabric
A technology of blended fabrics and active groups, which is applied in the dyeing of Tencel and cotton blended fabrics, and in the field of one-bath multi-reactive group dye mixed alkali dyeing of Tencel and cotton blended fabrics, which can solve the problem of dyes affecting fastness, sewage discharge, Dark-colored fabrics cannot meet the color requirements, it is difficult to achieve blackness and other problems, and it is beneficial to clean production and environmental protection, improving dyeing rate and level dyeing
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[0020] Put 50 kg of Tencel / cotton (40 / 60) 60 / 2s blended yarn into the dyeing bath prepared according to the bath ratio of 1:20 (o.w.f), run for 15 minutes at room temperature, add 2 kg of 808 detergent and 1 Kg of JFC penetrant, run at 90-100°C for 30 minutes, wash once with hot water at 50-60°C, and then wash twice with cold water;
[0021] Heat the above dye bath to 60°C at a rate of 1°C / min, add 4 kg of Cibacron black W-NN, run for 10 minutes, add 60-80 kg of sodium sulfate, run for 15 minutes, add 20 kg Soda ash and 3 kg of caustic soda, and then run for 50 minutes.
[0022] Wash the dyed Tencel-cotton blended fabric twice at 50-60°C, add 0.5 kg of acetic acid for the second time, and wash for 10 minutes each time, then add 2 kg of 808 detergent and heat up to Run at 90°C for 15 minutes, drain the residual liquid, wash with hot water at 50-60°C, add 2 kg of color-fixing agent F-ER and 2 kg of softener CT, and dry to obtain the dyed product.
[0023] Summary of t...
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