Rod-like zinc oxide-based composite nanoparticle glass fiber filter element and preparation method thereof
A composite nanoparticle, zinc oxide-based technology, applied in chemical instruments and methods, separation methods, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problem of reduced photocatalytic antibacterial activity, easy agglomeration of photocatalytic particles, Visible light utilization efficiency is small and other problems, to achieve the effect of improving the antibacterial and sterilizing effect, large specific surface area, and excellent photocatalytic antibacterial performance of air purification glass fiber filter element
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Embodiment 1
[0035] Weigh 2 g of zinc acetate and dissolve it in 50 ml of deionized water, add 1.5 ml of ammonia water, filter the precipitate and dry it at 45° C. for 10 h. Weigh the zinc ammonia complex, nano-silver wire, graphene oxide and nano-titanium oxide to form a rod-shaped zinc oxide solution precursor of 6 mol / l, wherein 20 ml of ammonia water and 20 ml of deionized water are used. Take 40 parts of ultra-fine glass fiber cotton with a diameter of 3.0 μm and 10 parts of ultra-fine glass fiber cotton with a diameter of 1.0 μm, and disintegrate the glass fiber cotton at a speed of 6000 rpm for 3 minutes through a fiber dissociator to prepare A pulp suspension with a mass concentration of 6%. It is transported by the slurry conveyor to the forming paper machine for wet forming and then made into sheets. Then soak the formed wet paper in the binder system mixed and diluted with polyurethane modified phenolic resin and KH550 to account for 3% by weight, and dry it on a drying plate a...
Embodiment 2
[0037]Weigh 3g of zinc sulfate and dissolve it in 50ml of deionized water, add 2ml of ammonia water, filter the precipitate and dry it at 45°C for 10h. Weigh the zinc ammonia complex, nano-silver wire, graphene oxide, and nano-titanium oxide to form a rod-shaped zinc oxide solution precursor of 7 mol / l, wherein 20 ml of ammonia water and 20 ml of deionized water are used. Take 40 parts of ultra-fine glass fiber cotton with a diameter of 3.5 μm and 10 parts of ultra-fine glass fiber cotton with a diameter of 1.5 μm, and disintegrate the glass fiber cotton at a speed of 7000 rpm for 4 minutes through a fiber dissociator to prepare A pulp suspension with a mass concentration of 7%. It is transported by the slurry conveyor to the forming paper machine for wet forming and then made into sheets. Then soak the molded wet paper in the binder system mixed and diluted with polyurethane modified phenolic resin and KH550 to account for 6% by weight, and dry it on a drying plate at 100°C ...
Embodiment 3
[0039] Weigh 4g of zinc acetate and dissolve it in 50ml of deionized water, add 3ml of ammonia water, filter the precipitate and dry it at 45°C for 10h. Weigh the zinc ammonia complex, nano-silver particles, graphene oxide, and nano-titanium oxide to form a rod-shaped zinc oxide solution precursor of 8 mol / l, wherein 20 ml of ammonia water and 20 ml of deionized water are used. Take 40 parts of ultra-fine glass fiber cotton with a diameter of 3.5 μm and 10 parts of ultra-fine glass fiber cotton with a diameter of 1.5 μm, and disintegrate the glass fiber cotton at a speed of 8000 rpm for 4 minutes through a fiber dissociator to prepare A pulp suspension with a mass concentration of 9%. It is transported by the slurry conveyor to the forming paper machine for wet forming and then made into sheets. Then soak the molded wet paper in the binder system mixed and diluted with polyurethane modified phenolic resin and KH550 to account for 6% by weight, and dry it on a drying plate at ...
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