Method for preparing antibacterial quick-drying cotton fiber
A cotton fiber, quick-drying technology, applied in the textile field, can solve the problems of wet human skin, slow drying speed, reduced air permeability, etc., and achieve the effects of improving wearing comfort, improving hydrophilicity, and reducing surface energy.
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Embodiment 1
[0029] (1) Mechanically crush corn stalks, mix them with deionized water, control the ratio of solid to liquid at 1:15, and the unit of solid to liquid ratio is g / mL, adjust the pH value to 2.5 with hydrochloric acid, and then carry out microwave extraction, microwave power 600W, microwave The extraction time is 7min, the extract is filtered and concentrated, the concentrated filtrate is diluted to 2 times volume with 95wt% ethanol, and then the pH of the concentrated solution is adjusted to 4.0 with 0.05mol / L sodium hydroxide, and the flocculent precipitate is separated out and left standing for 2h, pumped Filter, wash the precipitate 3 times with absolute ethanol, dry at 50°C, pulverize to obtain vegetable gum, then mix with deionized water to form a 30wt% vegetable gum solution for later use;
[0030] (2) Dissolve the cotton fiber in 25wt% sodium carbonate solution, control the bath ratio to 1:40, soak at 35°C for 15-35min, take it out and clean it with deionized water;
[...
Embodiment 2
[0034] (1) Mechanically crush corn stalks, mix them with deionized water, control the ratio of solid to liquid at 1:15, and the unit of solid to liquid ratio is g / mL, adjust the pH value to 2.5 with hydrochloric acid, and then carry out microwave extraction, microwave power 600W, microwave The extraction time is 7min, the extract is filtered and concentrated, the concentrated filtrate is diluted to 2 times volume with 95wt% ethanol, and then the pH of the concentrated solution is adjusted to 4.0 with 0.05mol / L sodium hydroxide, and the flocculent precipitate is separated out and left standing for 2h, pumped Filter, wash the precipitate 3 times with absolute ethanol, dry at 50°C, pulverize to obtain vegetable gum, then mix with deionized water to form a 30wt% vegetable gum solution for later use;
[0035] (2) Dissolve the cotton fiber in 25wt% sodium carbonate solution, control the bath ratio to 1:40, soak at 35°C for 15-35min, take it out and clean it with deionized water;
[...
Embodiment 3
[0039] (1) Mechanically crush corn stalks, mix them with deionized water, control the ratio of solid to liquid at 1:15, and the unit of solid to liquid ratio is g / mL, adjust the pH value to 2.5 with hydrochloric acid, and then carry out microwave extraction, microwave power 600W, microwave The extraction time is 7min, the extract is filtered and concentrated, the concentrated filtrate is diluted to 2 times volume with 95wt% ethanol, and then the pH of the concentrated solution is adjusted to 4.0 with 0.05mol / L sodium hydroxide, and the flocculent precipitate is separated out and left standing for 2h, pumped Filter, wash the precipitate 3 times with absolute ethanol, dry at 50°C, pulverize to obtain vegetable gum, then mix with deionized water to form a 30wt% vegetable gum solution for later use;
[0040] (2) Dissolve the cotton fiber in 25wt% sodium carbonate solution, control the bath ratio to 1:40, soak at 35°C for 15-35min, take it out and clean it with deionized water;
[...
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