| 摘要 |
PROBLEM TO BE SOLVED: To provide a deodorizing filter exhibiting a superior deodrizing function to a wide range of odor components and having superior durability such as water resistance, chemical resistance, and weatherability. SOLUTION: This deodorizing filter is so formed that deodorant is attached to and integrated with the open cell surface of open-cell polyolefine resin foam whose average air passing time is 10 seconds or less, average number of foams existing on a straight line of 25mm in length is 6-50, and average ratio of a film breaking area is 20-80%. COPYRIGHT: (C)2004,JPO
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