Title:
高フルオロ飽和比を有するエレクトレット物品
Document Type and Number:
Japanese Patent JP4944100
Kind Code:
B2
Abstract:
An electret article that includes a polymeric material that has electric charge imparted thereto, that has a CF3:CF2 ratio of at least 0.15 and that has a fluorosaturation ratio greater than about 200. The electret article may be in the form of a porous web of polymeric fibers suitable for use as a filter. The inventive electret article is resistant to charge degradation upon exposure to high temperatures for prolonged time periods.
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Inventors:
Gerard Earl Sparts
Seth M Kirk
Marvin E. Jones
Hyacinth El Caviville
Alan Di Rousseau
Steven Jay Pachuta
Seth M Kirk
Marvin E. Jones
Hyacinth El Caviville
Alan Di Rousseau
Steven Jay Pachuta
Application Number:
JP2008510070A
Publication Date:
May 30, 2012
Filing Date:
April 27, 2006
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
D06M10/02; C08J7/00; D04H3/16; D06M13/08; D06M14/28
Domestic Patent References:
JP2002519483A | 2002-07-02 | |||
JP2005511877A | 2005-04-28 | |||
JPH01232038A | 1989-09-18 | |||
JPS61133239A | 1986-06-20 | |||
JP2001518569A | 2001-10-16 |
Attorney, Agent or Firm:
Mitsuo Tanaka
Takuji Yamada
Muneo Yamamoto
Masaishi Nishishita
Yuko Goto
Takuji Yamada
Muneo Yamamoto
Masaishi Nishishita
Yuko Goto