Title:
FILTRATION MATERIAL FOR FILTERS, AND FILTER CARTRIDGE
Document Type and Number:
WIPO Patent Application WO/2010/073958
Kind Code:
A1
Abstract:
Disclosed is a filtration material for filters, which comprises a sheet-like multilayer body wherein a ultra-fine fiber assembly layer, which is composed of an assembly of ultra-fine fibers produced by an electrospinning method and having an average fiber diameter of not less than 10 nm but not more than 1000 nm, and a base, which is composed of a nonwoven fabric or woven fabric formed from fibers having an average fiber diameter of not less than 1 μm, are laminated. The filtration material for filters satisfies all of a plurality of specific conditions. Consequently, the filtration material for filters has an ability of collecting or separating fine particles of micron order with high precision, while having a low pressure loss and long filtration life. Also disclosed is a filter cartridge using the filtration material for filters.
Inventors:
HOSOYA, Takayoshi (2-1, Kaigandori 1-chome, Okayama-sh, Okayama 01, 〒7028601, JP)
細谷 敬能 (〒01 岡山県岡山市海岸通１丁目２番１号 株式会社クラレ内 Okayama, 〒7028601, JP)
INADA, Shinya (2-1, Kaigandori 1-chome, Okayama-sh, Okayama 01, 〒7028601, JP)
稲田 真也 (〒01 岡山県岡山市海岸通１丁目２番１号 株式会社クラレ内 Okayama, 〒7028601, JP)
細谷 敬能 (〒01 岡山県岡山市海岸通１丁目２番１号 株式会社クラレ内 Okayama, 〒7028601, JP)
INADA, Shinya (2-1, Kaigandori 1-chome, Okayama-sh, Okayama 01, 〒7028601, JP)
稲田 真也 (〒01 岡山県岡山市海岸通１丁目２番１号 株式会社クラレ内 Okayama, 〒7028601, JP)
Application Number:
JP2009/071025
Publication Date:
July 01, 2010
Filing Date:
December 17, 2009
Export Citation:
Assignee:
KURARAY CO.,LTD. (1621, Sakazu Kurashiki-sh, Okayama 22, 〒7108622, JP)
株式会社クラレ (〒22 岡山県倉敷市酒津１６２１番地 Okayama, 〒7108622, JP)
HOSOYA, Takayoshi (2-1, Kaigandori 1-chome, Okayama-sh, Okayama 01, 〒7028601, JP)
細谷 敬能 (〒01 岡山県岡山市海岸通１丁目２番１号 株式会社クラレ内 Okayama, 〒7028601, JP)
INADA, Shinya (2-1, Kaigandori 1-chome, Okayama-sh, Okayama 01, 〒7028601, JP)
株式会社クラレ (〒22 岡山県倉敷市酒津１６２１番地 Okayama, 〒7108622, JP)
HOSOYA, Takayoshi (2-1, Kaigandori 1-chome, Okayama-sh, Okayama 01, 〒7028601, JP)
細谷 敬能 (〒01 岡山県岡山市海岸通１丁目２番１号 株式会社クラレ内 Okayama, 〒7028601, JP)
INADA, Shinya (2-1, Kaigandori 1-chome, Okayama-sh, Okayama 01, 〒7028601, JP)
International Classes:
B01D39/16; D04H1/42; D04H1/728; D04H3/009; D04H3/011
Attorney, Agent or Firm:
OHTANI, Tamotsu (OHTANI PATENT OFFICE, Bridgestone Toranomon Bldg. 6F. 25-2, Toranomon 3-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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