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Title:
MATERIAL FOR AIR FILTER
Document Type and Number:
WIPO Patent Application WO/2005/107920
Kind Code:
A1
Abstract:
A material for an air filter which comprises an electrostatic-treated airlaid nonwoven fabric, wherein an airlaid nonwoven fabric containing, as a main component, a synthetic fiber having a fiber length of 1 to 10 mm and comprising a thermoplastic polymer having no hydrophilic group in its molecular structure is adhered by melting with heat, is integrated, and is subjected to an electrostatic treatment. The above material for an air filter exhibits high efficiency for dust collecting, has a long life, is thin and uniform, and is free from environmental polution.

Inventors:
SHIONO AKIRA (JP)
FUJIWARA KAZUMARO (JP)
UESAKA SHIGEMI (JP)
MATSUMOTO TATSUYA (JP)
YAMAZAKI YASUYUKI (JP)
Application Number:
PCT/JP2005/008587
Publication Date:
November 17, 2005
Filing Date:
May 11, 2005
Export Citation:
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Assignee:
AMBIC CO LTD (JP)
KINSEI SEISHI CO LTD (JP)
SHIONO AKIRA (JP)
FUJIWARA KAZUMARO (JP)
UESAKA SHIGEMI (JP)
MATSUMOTO TATSUYA (JP)
YAMAZAKI YASUYUKI (JP)
International Classes:
B01D39/14; B01D39/16; B03C3/28; D01F8/06; D04H1/4291; D04H1/4318; D04H1/541; D04H13/00; (IPC1-7): B01D39/16; D04H1/54
Foreign References:
JP2001149720A2001-06-05
JP2003236319A2003-08-26
JP2000117025A2000-04-25
Attorney, Agent or Firm:
Shirai, Shigetaka (8-5 Toranomon 1-chom, Minato-ku Tokyo, JP)
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