Chinlon fabric dyeing process with high dye uptake
A fabric dyeing and nylon technology, applied in the field of dyeing technology, can solve the problems of low light fastness of acid dyes, poor washing fastness, wet and dry rubbing fastness, and perspiration fastness of nylon fabrics, etc., to achieve good results. Dyeing effect, simplification of process steps, and cost saving effects
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Embodiment 1
[0024] A nylon fabric dyeing process with high dye uptake, comprising the steps of:
[0025] S1 pre-treatment: soak the nylon fabric in a water tank at 35-45°C for 10-18 minutes, then add scouring agent, the bath ratio is 1:7, heat it up to 75°C and keep it warm for 30 minutes;
[0026] S2 water washing: After the heat preservation is completed, remove the water in the tank, then add water to wash twice, each time is 10 minutes, then add water and 98% glacial acetic acid to raise the temperature to 50 ° C, and wash with water for 16 minutes;
[0027] S3 Dyeing: Put the washed nylon fabric into a dye vat with a temperature of 20°C, add dye liquor and dyeing assistants and stir for 10 minutes, the pH is 4.5, the liquor ratio is 1:8, then heat up to 90°C, and keep warm for 25 minutes;
[0028] S4 color fixation: After dyeing, lower the temperature of the dyeing vat to 60°C, then add a color fixing agent, the liquor ratio is 1:20, and keep the color for 20 minutes;
[0029] S5 ou...
Embodiment 2
[0038] A nylon fabric dyeing process with high dye uptake, comprising the steps of:
[0039] S1 pre-treatment: soak the nylon fabric in a water tank at 35-45°C for 11 minutes, then add scouring agent, the bath ratio is 1:(7-10), heat it up to 78°C and keep it warm for 32 minutes;
[0040] S2 water washing: After the heat preservation is completed, remove the water in the tank, then add water to wash twice, each time is 13 minutes, then add water and 98% glacial acetic acid to raise the temperature to 56 ° C, and wash with water for 18 minutes;
[0041] S3 dyeing: put the washed nylon fabric into a dye vat with a temperature of 21°C, add dye liquor and dyeing auxiliaries and stir for 14 minutes, the pH is 4.7, the bath ratio is 1:8, then heat up to 92°C, and keep warm for 28 minutes;
[0042] S4 color fixation: After dyeing, lower the temperature of the dyeing vat to 63°C, then add the color fixing agent, the bath ratio is 1:20, and keep the color for 24 minutes;
[0043] S5 o...
Embodiment 3
[0052] A nylon fabric dyeing process with high dye uptake, comprising the steps of:
[0053] S1 pre-treatment: soak the nylon fabric in a water tank at 40°C for 14 minutes, then add scouring agent with a bath ratio of 1:8, heat it up to 82°C and keep it warm for 35 minutes;
[0054] S2 water washing: After the heat preservation is completed, remove the water in the tank, then add water to wash twice, each time is 17 minutes, then add water and 98% glacial acetic acid to raise the temperature to 65 ° C, and wash with water for 20 minutes;
[0055] S3 dyeing: put the washed nylon fabric into a dye vat with a temperature of 22°C, add dye liquor and dyeing auxiliaries and stir for 17 minutes, the pH is 5, the bath ratio is 1:9, then heat up to 95°C, and keep warm for 32 minutes;
[0056] S4 color fixation: After dyeing, lower the temperature of the dyeing vat to 70°C, then add a color fixing agent, the bath ratio is 1:20, and keep the color for 27 minutes;
[0057] S5 out of the ...
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