| 摘要 |
There is provided a filter simultaneously having the effects of not only being capable of effectively remove toxic substances such as benzo[a]pyrene, contained in outdoor air and indoor air but also being substantially free from any deterioration of dust collection effectiveness. The air conditioner filter which is installed to an air passage of an air conditioner that intakes outdoor air into an equipment interior and also has a mechanism for circulating air in the equipment interior, comprising: a filter base material constituted from a monolayer sheet of nonwoven fabric, or from a laminate that includes nonwoven fabric sheets; and DNA microparticles supported in the filter base material and capable of intercalation trapping of toxic substances such as benzo [a]pyrene; wherein the DNA microparticles is constituted of microparticles of 50 to 2000 mun average diameter whose double helix DNA is made to adhere to the surfaces of a carrier, by means of a binder if necessary, and the DNA microparticles are contained in an amount of 0.05 to 20% by mass based on the mass of the filter base material.
|
