Preparation method and application method of low-temperature low-chromium dyeing auxiliary agent of acidic medium dye for wool
A technology of mordant dyes and dyeing auxiliaries, applied in the field of textile printing and dyeing, can solve problems such as unsatisfactory chromium pollution effect, and achieve the effects of being beneficial to effective reuse, increasing dyeing percentage and improving dyeing performance.
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Embodiment 1
[0099] Collect duck feathers and clean them, prepare an acetic acid solution with a concentration of 0.3% by volume, pour the clean duck feathers into the acetic acid solution at 30°C, add 30 liters of acetic acid solution per kilogram of duck feathers, and soak for 10 minutes; then Wash the duck feathers with tap water until the duck feathers are neutral, and dry the washed duck feathers at room temperature; respectively weigh urea and sodium hydroxide and dissolve them in water to form a duck feather protein solution. Each liter of water contains urea 6 grams, 8 grams of sodium hydroxide, at 70°C, put the pre-treated duck feathers into the duck feather protein solution, and add 10 liters of duck feather protein solution per kilogram of duck feathers, and dissolve for 120 minutes; After the wool protein dissolution is completed, cool the duck feather protein solution to room temperature, filter the obtained dissolved duck feather protein solution with gauze for 3 times, remove...
Embodiment 2
[0108] Collect duck feathers and clean them, prepare an acetic acid solution with a concentration of 0.5% by volume, pour the clean duck feathers into the acetic acid solution at 40°C, add 40 liters of acetic acid solution per kilogram of duck feathers, and soak for 30 minutes; then Wash the duck feathers with tap water 5 times until the duck feathers are neutral, and dry the washed duck feathers at room temperature; respectively weigh urea and sodium hydroxide and dissolve them in water to form a duck feather protein solution. Each liter of water contains 6 grams of urea, 8 grams of sodium hydroxide, at 85 ° C, put the pre-treated duck feathers into the duck feather protein solution, add 20 liters of duck feather protein solution per kilogram of duck feathers, and dissolve for 140 minutes; After the duck feather protein dissolution is completed, cool the duck feather protein solution to room temperature, filter the obtained dissolved duck feather protein solution with gauze fo...
Embodiment 3
[0117] Collect duck feathers and clean them, prepare an acetic acid solution with a concentration of 0.7% by volume, pour the clean duck feathers into the acetic acid solution at 50°C, add 50 liters of acetic acid solution per kilogram of duck feathers, and soak for 50 minutes; then Wash the duck feathers with tap water for 7 times until the duck feathers are neutral, and dry the washed duck feathers at room temperature; weigh urea and sodium hydroxide and dissolve them in water to prepare a duck feather protein solution. Each liter of water contains 6 grams of urea, 8 grams of sodium hydroxide, under the condition of 100 ℃, put the pre-treated duck feathers into the duck feather protein solution, add 30 liters of duck feather protein solution per kilogram of duck feathers, and dissolve for 180 minutes; After the duck feather protein dissolving is completed, cool the duck feather protein solution to room temperature, filter the obtained dissolved duck feather protein solution f...
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