Uncolored bamboo fiber with high antibacterial activity and processing method thereof
A technology of antibacterial activity and bamboo fiber, which is applied in fiber raw material processing, textiles and papermaking, etc., can solve the problems of not using consumers' health and residual sulfide, so as to avoid the possible harm of chemicals to the human body and reduce the consumption of raw materials , the effect of high flexibility
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Embodiment 1
[0038] Bamboo slices after wet material preparation are impregnated with an impregnation screw, mixed with potassium hydroxide solution with an amount of 8% relative to the absolute dry bamboo slices in the impregnation screw, and the ratio of solid to liquid is 1:4. Keep warm and mix in the spiral macerator for 60 minutes; then send it into the continuous cooking tube, add 8% potassium hydroxide solution to the absolute dry raw material in the bamboo plant raw material, and the ratio of solid to liquid is 1:4; pass steam Heating to 120° C. and maintaining this temperature condition; adjusting the operating speed of the continuous cooking tube so that the residence time of the bamboo chips in the continuous cooking tube is 60 minutes to obtain a bamboo fiber material. The bamboo chips in the continuous cooking tube enter the high-consistency mill through the discharge valve for refining treatment, and the black liquor produced is recycled. Adding molecular weight is 2,00...
Embodiment 2
[0040] Bamboo slices prepared by wet method are impregnated with impregnated auger, mixed with 10% potassium hydroxide solution relative to the dry bamboo slices in the impregnated auger, the ratio of solid to liquid is 1:4, at normal pressure, 90 ℃ Keep warm and mix in the spiral macerator for 80 minutes; then send it into the continuous cooking tube, add 10% potassium hydroxide solution to the absolute dry raw material in the bamboo plant raw material, the ratio of solid to liquid is 1:4, and steam Heating to 110° C., maintaining this temperature condition; adjusting the running speed of the continuous cooking tube so that the residence time of the bamboo slices in the continuous cooking tube is 55 minutes to obtain a bamboo fiber material. The bamboo chips in the continuous cooking tube enter the high-consistency mill through the discharge valve for refining treatment, and the black liquor produced is recycled. Adding molecular weight is 3,000,000 macromolecule chitosan...
Embodiment 3
[0042] Bamboo slices prepared by wet method are impregnated with impregnated auger, and impregnated with 12% absolute dry bamboo slices and potassium solution in the impregnated auger, with a solid-liquid ratio of 1:3. Insulated and mixed in the spiral macerator for 80 minutes; then sent to the continuous cooking tube, adding 9% potassium hydroxide solution to the absolute dry raw material in the bamboo plant raw material, the ratio of solid to liquid is 1:3, and heated to 125°C, keep this temperature condition; adjust the running speed of the continuous cooking tube, so that the residence time of the bamboo slices in the continuous cooking tube is 50 minutes, and obtain the bamboo fiber material. The bamboo chips in the continuous cooking tube enter the high-consistency mill through the discharge valve for refining treatment, and the black liquor produced is recycled. Adding molecular weight is 2,400,000 polymer chitosan in batching pool, and the addition is 0.012% of abs...
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