Production method of decoloring-preventing wool fabric
A production method and anti-bleaching technology, applied in dyeing, textiles and papermaking, fiber treatment, etc., can solve the problems of wool fiber felting shrinkage, affecting service life, high dry cleaning costs, etc., achieve anti-felting effect, save energy, wool The effect of little damage
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Embodiment 1
[0017] The raw material is fine wool with a fiber fineness of 18-20 μm and an average length of about 90 mm.
[0018] Pretreatment process: Inject industrial soft water into the jet dyeing machine at a bath ratio of 1:2, put the wool fabric into the jet dyeing machine, record the water level at this time, add degreasing agent, sodium chloride, and then add sodium bicarbonate to form Pre-treatment solution, the pH value of the pre-treatment solution is 8.3, then heat up to 45°C, keep warm for 30 minutes, drain, wash once with water at 35-45°C, and the ratio of water to bath is 1:12; the amount of degreasing agent is preferably 1.5g, the amount of neutral electrolyte is 4.2% (o.w.f).
[0019] Dyeing process: Inject industrial soft water into the jet dyeing machine based on the height of the previously treated water level, raise the temperature of the industrial soft water to 35°C, add auxiliary agents to the industrial soft water in the following order to form a dyeing solution:...
Embodiment 2
[0026] The raw material is fine wool with a fiber fineness of 18 μm and an average length of about 90 mm.
[0027] Pretreatment process: inject industrial soft water into the jet dyeing machine at a bath ratio of 1:14, put the wool fabric into the jet dyeing machine, record the water level at this time, add degreasing agent, sodium chloride, and then add sodium carbonate to form Treatment liquid, the pH value of the pre-treatment liquid is 8.5, then heat up to 45°C, keep warm for 30 minutes, drain, wash once at 35-45°C, the ratio of water to bath is 1:14; the amount of degreasing agent is preferably 1.8 per liter of water g, the amount of neutral electrolyte 4.5% (o.w.f).
[0028] Dyeing process: Inject industrial soft water into the jet dyeing machine based on the height of the previously treated water level, raise the temperature of the industrial soft water to 40°C, add additives to the industrial soft water in the following order to form a dyeing solution: first add the pe...
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