| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an air cleaning filter which has a dust removing property and a deodorizing property and the deodorizing property of which can be regenerated by heating or irradiating with light while keeping the dust removing performance. <P>SOLUTION: This air cleaning filter consists of an electret filter medium consisting of a polybutene-1-based fiber, preferably, a sheath-core conjugated fiber of polypropylene and polybutene-1 and a deodorizing sheet, preferably, a photocatalytic sheet. <P>COPYRIGHT: (C)2004,JPO |
