| 摘要 |
PROBLEM TO BE SOLVED: To provide a sterilization filter capable of being simply attached to ventilation equipment of a general house, an office or the like, deactivating bacteria or viruses contained in air, easy to manufacture, simple to attach, having a beneficial point from an aspect of use and excellent in durability. SOLUTION: This sterilization filter is formed by immersing a nonwoven fabric in polyacrylic acid and heating the impregnated nonwoven fabric to dry the same or naturally drying the same. The filter thus formed has air permeability and deactivates bacteria and viruses in air. COPYRIGHT: (C)2005,JPO&NCIPI
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