Method for dyeing corduroy fabric
A dyeing method and corduroy technology, applied in dyeing, textile and papermaking, etc., can solve the problems of low color fastness of dyed fabrics, easy to produce color pattern, poor dyeing uniformity, etc., and achieve excellent rubbing color fastness. , The effect of dyeing uniformity is good
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Embodiment 1
[0039] The dyeing method of corduroy fabric, comprises the steps:
[0040] 1) Add 1 to 2 parts by weight of powdered sodium carbonate, 0.7 parts by weight of monomethylamine, 1.2 parts by weight of sodium tripolyphosphate, 0.7 parts by weight of alkyl polyglucosides, and 25 parts by weight of plant dyes in turn into 100 parts by weight in the dye vat Deionized water, stir evenly, and heat to 45°C;
[0041] 2) Add 2.2 parts by weight of polyalkylene polyamine, 1.6 parts by weight of sodium alkyl sulfate, 3.2 parts by weight of dibutyl phthalate, and 1.9 parts by weight of diisocyanate in turn, and continue to stir until fully mixed and uniform, and heat to 60°C;
[0042] 3) Soak the fabric in the dye vat for 45 minutes;
[0043] 4) drying the soaked fabric at 85°C;
[0044] 5) soak the dried fabric in clean water and rinse for 45 minutes;
[0045] 6) Take out the rinsed fabric and let it dry naturally.
Embodiment 2
[0047] The dyeing method of corduroy fabric, comprises the steps:
[0048] 1) Add 1 part by weight of powdered sodium carbonate, 0.7 parts by weight of monomethylamine, 1.2 parts by weight of sodium tripolyphosphate, 0.7 parts by weight of alkyl polyglucoside, and 25 parts by weight of vegetable dyes into the dye vat sequentially and add 100 parts by weight of deionized water, stir well and heat to 45°C;
[0049] 2) Add 2.2 parts by weight of polyalkylene polyamine, 1.6 parts by weight of sodium alkyl sulfate, 3.2 parts by weight of dibutyl phthalate, and 1.9 parts by weight of diisocyanate in turn, and continue to stir until fully mixed and uniform, and heat to 60°C;
[0050] 3) Soak the fabric in the dye vat for 45 minutes;
[0051] 4) drying the soaked fabric at 85°C;
[0052] 5) soak the dried fabric in clean water and rinse for 45 minutes;
[0053] 6) Take out the rinsed fabric and let it dry naturally.
Embodiment 3
[0055] The dyeing method of corduroy fabric, comprises the steps:
[0056] 1) Add 2 parts by weight of powdered sodium carbonate, 0.7 parts by weight of monomethylamine, 1.2 parts by weight of sodium tripolyphosphate, 0.7 parts by weight of alkyl polyglucosides, and 25 parts by weight of vegetable dyes into 100 parts by weight of deionized water, stir well and heat to 45°C;
[0057] 2) Add 2.2 parts by weight of polyalkylene polyamine, 1.6 parts by weight of sodium alkyl sulfate, 3.2 parts by weight of dibutyl phthalate, and 1.9 parts by weight of diisocyanate in turn, and continue to stir until fully mixed and uniform, and heat to 60°C;
[0058] 3) Soak the fabric in the dye vat for 45 minutes;
[0059] 4) drying the soaked fabric at 85°C;
[0060] 5) soak the dried fabric in clean water and rinse for 45 minutes;
[0061] 6) Take out the rinsed fabric and let it dry naturally.
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