Title:
エアフィルタ用シート及びその製造方法並びにエアフィルタ
Document Type and Number:
Japanese Patent JP4791049
Kind Code:
B2
Abstract:
An air filter sheet comprising particles of a functional agent with an average particle diameter of 0.1 to 30 μm and fibrils of a polytetrafluoroethylene resin with a number average molecular weight of 3,000,000 to 50,000,000, the ratio by weight of the functional agent to the fibrils of the polytetrafluoroethylene resin being from 1 to 99. According to the present invention, an air filter sheet comprising fibrils of polytetrafluoroethylene resin with a functional agent carried thereon, possessing excellent formability, and being free from a lubricant, a process for manufacturing the air filter sheet, and an air filter free from contamination of outgas with a lubricant are provided.
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Inventors:
Nakano Toshiro
Satoshi Minobe
Ryuji Tanahashi
Satoshi Minobe
Ryuji Tanahashi
Application Number:
JP2005039321A
Publication Date:
October 12, 2011
Filing Date:
February 16, 2005
Export Citation:
Assignee:
Nichias Corporation
International Classes:
B01D39/16; A61L9/01; A61L9/16; B01D46/10; B01D53/04; B01J20/06; B01J20/26; B01J20/28; B29C43/24; B29C55/18; B29K27/18; B29K105/04; B29L7/00; B29L31/14
Domestic Patent References:
| JP7194921A | ||||
| JP2003082217A | ||||
| JP11178905A | ||||
| JP3122008A |
Attorney, Agent or Firm:
Kenji Akatsuka
Yasuo Fukuda
Yasuo Fukuda