▎ 摘　　要

NOVELTY - Rod-shaped zinc oxide-based photocatalytic composite nanoparticle glass fiber filter core comprises 6-12 wt.% zinc oxide-based composite photocatalytic nanoparticle, 3-9 wt.% binder system, and 79-91 wt.% ultra-fine glass fiber cotton. USE - The rod-shaped zinc oxide-based photocatalytic composite nanoparticle glass fiber filter core is used in high density air pollution purifying field. ADVANTAGE - The modifier improves the water resistance of the rod-shaped zinc oxide-based composite nanoparticle glass fiber filter core, and prolongs the service life. The rod photocatalytic shaped zinc oxide-based composite nanoparticle is attached to the three-dimensional porous structure of the ultra-fine glass fiber air filter core, and the visible light antibacterial property is retained while having good air filtering performance. The filter core has visible photocatalytic antibacterial and purifying functions. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the rod-shaped zinc oxide-based composite nanoparticle glass fiber filter core comprising weighing zinc oxide source, dissolving in ultra-pure water, adding ammonia water solution to control the zinc ammonia complex to precipitate, separating the precipitates by filtering, fully cleaning the precipitates by ultra-pure water and absolute ethyl alcohol, drying in constant temperature drying box to obtain zinc ammonia complex precipitate, attaching 6 mg/ml solution of B, C and D type photocatalytic nanoparticles, preparing 6-8 mol/L precursor solution using ammonia water and ultra-pure water, and ultrasonically vibrating for 30 minutes to fully disperse and obtain zinc oxide-based composite photocatalytic precursor solution; selecting greater than or equal to 2 ultra-fine glass fiber cotton different diameters, putting the selected ultra-fine glass fiber cotton into zinc oxide-based composite photocatalytic precursor solution for stirring and dispersing into uniform slurry by a fiber disconnector; conveying the slurry to a forming paper machine for wet forming, soaking the wet paper with the obtained nano-binder system layer in a binder system, and drying; subjecting the prepared glass fiber filter core to microwave fast reaction synthesis process to grow the rod-containing zinc oxide-based composite photocatalytic nanoparticle in-situ and uniformly attach on each ultra-fine glass fiber glass fiber filter paper; and drying and annealing glass fiber filter paper of the load rod-shaped zinc oxide-based composite photocatalytic particles to obtain air purifying glass fiber filter paper with high photocatalytic-bacterial efficiency, folding processing the prepared composite glass fiber filter core by a folding machine, and finally preparing the composite glass fiber filter core with quick visible light photocatalytic effect.