A natural antibacterial method for cement composite plant fibers
A technology of cement composite material and plant fiber, applied in the field of plant fiber antibacterial, can solve the problems of high water absorption and fungal microbial corrosion, and achieve the effect of cheap raw materials and simple operation
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Embodiment 1
[0029] Preparation of cinnamon derivatives: leaves of cinnamon trees were dried in an oven at 70°C to constant weight, ground into powder by a crusher, soaked in absolute ethanol for 36 hours, filtered off the residue, and mixed with filtrate and cinnamon oil at a ratio of 1:0.2 Proportionally mixed, heated at 50°C with an intelligent magnetic stirrer, and stirred at 200 rpm until the solution remained to 75% of the original volume to obtain a cinnamon derivative.
[0030] The hemp fibers were soaked with 3.5 wt% sodium hydroxide solution for 4.5 hours, then the fibers were taken out and washed with deionized water several times until the pH of the filtered deionized water solution became neutral. Finally, at room temperature, the hemp fiber treated with sodium hydroxide solution was ventilated and dried for 36 hours, and then dried in an oven at 65° C. for 3.5 hours. The alkalized fiber was completely immersed in the cinnamon derivative for 4 hours, and after taking it out, i...
Embodiment 2
[0033] Preparation of cinnamon derivatives: cinnamon leaves were dried in an oven at 110°C to constant weight, ground into powder by a crusher, soaked in absolute ethanol for 12 hours, filtered off the residue, and mixed with filtrate and cinnamon oil at a ratio of 1:3. Proportionally mixed, heated at 85°C with an intelligent magnetic stirrer, and stirred at 120rpm until the solution remained to 85% of the original volume to obtain a cinnamon derivative.
[0034] Soak the hemp fiber with 1.5 wt% sodium hydroxide solution for 6 hours, then take out the fiber and wash it with deionized water several times until the pH of the filtered deionized water solution becomes neutral. Finally, at room temperature, the hemp fiber treated with sodium hydroxide solution was ventilated and dried for 48 hours, and then dried in an oven at 90° C. for 1 hour. The alkalized fiber was completely immersed in the cinnamon derivative for 1 hour, and after taking it out, it was ventilated and dried at...
Embodiment 3
[0037] The preparation method of cinnamon derivatives is as follows: leaves of cinnamon tree are dried in an oven at 90°C to constant weight, ground into powder by a crusher, soaked in absolute ethanol for 24 hours, filtering off the residue, and using the filtrate and cinnamon oil by 1: Mix at a ratio of 1.5, heat with an intelligent magnetic stirrer at 65°C, and stir at 180 rpm until the solution retains 80% of its original volume to obtain a cinnamon derivative.
[0038] Soak the hemp fiber with 2.5 wt% sodium hydroxide solution for 4 hours, then take out the fiber and wash it with deionized water several times until the pH of the filtered deionized water solution becomes neutral. Finally, at room temperature, the hemp fiber treated with sodium hydroxide solution was ventilated and dried for 12 hours, and then dried in an oven at 100° C. for 1 hour. The alkalized fiber was completely immersed in the cinnamon derivative for 5 hours, and after taking it out, it was ventilated...
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