Title:
PTFE FILM
Document Type and Number:
Japanese Patent JP2014194002
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a PTFE porous film having a fine pore grade in a range of nanometer exhibiting low flow resistance and high filtration efficiency which is used for filtration of various kinds of fluid and gas.SOLUTION: The PTFE porous film comprising a first porous surface and a second porous surface, and a bulk positioned between the first porous surface and the second porous surface, and having a fine pore grade in a range of about 2-50 nanometer is provided. The first and second porous surfaces have ratio of non-fusion node area to fusion node area equal to or more than 1 respectively. The production method and use method of the film are also provided.
Inventors:
ANDREW T SITTERER
AMARNAUTH SINGH
JOANNA FIELDING
THOMAS C GSELL
MICHAEL G ISHEE
AMARNAUTH SINGH
JOANNA FIELDING
THOMAS C GSELL
MICHAEL G ISHEE
Application Number:
JP2014023593A
Publication Date:
October 09, 2014
Filing Date:
February 10, 2014
Export Citation:
Assignee:
PALL CORP
International Classes:
C08J9/28; B29C43/24; C08J9/00; B29K27/18; B29K105/04; B29L7/00
Domestic Patent References:
| JP2005535447A | 2005-11-24 | |||
| JP2010058026A | 2010-03-18 | |||
| JP2010058025A | 2010-03-18 | |||
| JPH02645A | 1990-01-05 |
Attorney, Agent or Firm:
Ikeda Adult
Junichiro Sakamaki
Noda Masakazu
Kazuhiro Yamaguchi
Junichiro Sakamaki
Noda Masakazu
Kazuhiro Yamaguchi
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