Antibacterial waterproof wallpaper prepared by recycling fibers from paper diaper leftover materials and preparation method
A technology of leftover materials and diapers, which is applied in the field of pulp and papermaking, can solve the problems of complex production process, adding chemical types, blanks, antibacterial, moisture-proof and waterproof effects, etc., so as to improve social and economic benefits, good strength performance, and improve recycling value effect
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[0040] The present invention also provides a method for preparing the antibacterial and waterproof wallpaper prepared by recycling the leftover fibers of diapers, and the specific steps are as follows:
[0041] Step 1, pulverizing the leftover fiber of the diaper and dissolving it in water, then adding polyaluminum chloride, bentonite, zeolite powder, and nano-titanium dioxide in order to fully stir, and then dispersing to obtain a fiber slurry;
[0042] In step 1, the mass ratio of diaper scrap fiber, polyaluminum chloride, bentonite, zeolite powder, and nano-titanium dioxide is: 100:0.5-0.8:0.3-1.0:0.1-0.5:10-40; wherein, the particle size of zeolite powder The size is 100 mesh-200 mesh, the particle size of nano-titanium dioxide is 20nm-100nm, it is anatase type;
[0043] Step 2, papermaking the fiber slurry treated in step 1 as the antibacterial-deodorant base layer of the wallpaper;
[0044] The specific implementation of step 2 is as follows:
[0045] First, use a stir...
Embodiment 1
[0065] 1) Collect the pulverized diaper scrap fiber as the raw material for the experiment, which comes from the diaper manufacturer.
[0066]2) Take 3.3 grams of the pulverized sample of diaper scrap fiber, add it to 500ml of water, use a deflagging machine, decompose at 25,000 rpm, add water until the slurry concentration reaches 0.5%, use a paper sampler to make paper, dry at 105°C, and make paper piece as a blank sample. Take 3.3 grams of the pulverized sample of diaper scrap fiber, add it to 300ml of water, and weigh 0.5% polyaluminum chloride relative to the mass of diaper scrap fiber, bentonite relative to 1.0% of the mass of diaper scrap fiber, and 1.0% of the weight of diaper scrap fiber. 0.5% zeolite powder and 40% nano-titanium dioxide relative to the fiber quality of paper diaper scraps, and add it to the fiber slurry, add water to 500ml, stir evenly, and then use a deflagging machine to decompose at 25,000 rpm, wait After the fiber disentanglement is completed, t...
Embodiment 2
[0071] Get 3.3 grams of diaper scrap fiber pulverized samples, add 300ml of water, then weigh the polyaluminum chloride relative to the mass of diaper scrap fiber 0.7%, the bentonite relative to the mass of diaper scrap fiber of 0.5%, and the relative weight of diaper scrap fiber. 0.1% zeolite powder and 10% nano-titanium dioxide relative to the fiber quality of paper diaper scraps, and add it to the fiber slurry, add water to 500ml, stir evenly, and then use a deflagging machine to decompose at 25,000 rpm. After the fiber disentanglement is completed, the fiber slurry is obtained; then the fiber slurry treated in step 1 is stirred evenly with a stirrer, and then added to the paper sample extractor, and water is added to make the mass concentration of the slurry reach 0.5% on the Internet, and water is released to make it It becomes a wet paper web, then press it manually with a pressure roller, and finally put it into a paper dryer, and dry it at a temperature of 105°C for 5 m...
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