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摘要
The quaternary phosphonium salt modified poly-acrylic resin emulsion was synthesized. Then the glass fiber was used as raw material and modified poly-acrylic resin as strengthen resin to prepare the high-efficiency glass fiber filter paper with durable antibacterial function. The chemical structure of quaternary phosphonium salt monomer and modified poly-acrylic resin were analyzed by 1H-NMR and FT-IR. The filtration performance，tensile strength and air permeability of filter paper with different glue amounts were studied. The effects of the amount of antibacterial monomer on the antibacterial rate of filter paper and the long-term efficiency of filter paper were discussed. The results showed that the antibacterial glass fiber filter papers presented excellent filtration performance（99. 95%），tensile strength（812 N/m）and antibacterial performance（99. 99%），when the amount of glue was 8% and the amount of quaternary phosphate monomer was 10%. After five times of washing and soaking，the antibacterial glass fiber filter paper remained above 99. 8% of the antibacterial rate，and had a lasting antibacterial fuction. ? 2023 China Technical Association of Paper Industry.
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