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Title:
FILM FOR USE IN FILM CAPACITORS, AND FILM CAPACITORS
Document Type and Number:
WIPO Patent Application WO/2012/039424
Kind Code:
A1
Abstract:
Provided is a film which is for use in film capacitors and in which the electrical insulation properties, particularly, high-temperature electrical characteristics are improved while keeping the high relative permittivity inherent in a vinylidene fluoride-based resin. A film for use in film capacitors which contains, as a film-forming resin (A), a tetrafluoroethylene -based resin (a1) that comprises vinylidene fluoride units and tetrafluoroethylene units at a content ratio (in mol%) of vinylidene fluoride units/tetrafluoroethylene units of 0/100 to 49/51.

Inventors:
KOH MEITEN (JP)
MUKAI ERI (JP)
KOMATSU NOBUYUKI (JP)
YOKOTANI KOUJI (JP)
TATEMICHI MAYUKO (JP)
HANABUSA KAKERU (JP)
KITAHARA TAKAHIRO (JP)
KAWABE TAKUMA (JP)
Application Number:
PCT/JP2011/071483
Publication Date:
March 29, 2012
Filing Date:
September 21, 2011
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
KOH MEITEN (JP)
MUKAI ERI (JP)
KOMATSU NOBUYUKI (JP)
YOKOTANI KOUJI (JP)
TATEMICHI MAYUKO (JP)
HANABUSA KAKERU (JP)
KITAHARA TAKAHIRO (JP)
KAWABE TAKUMA (JP)
International Classes:
H01G4/18; C08F214/26; C08K3/20; C08L27/18; C08L101/00; H01G4/20
Domestic Patent References:
WO2009116527A12009-09-24
WO2008090947A12008-07-31
WO2008090947A12008-07-31
WO2007088924A12007-08-09
WO2009017109A12009-02-05
WO2008050971A12008-05-02
Foreign References:
JPS649261A1989-01-12
JPS60199046A1985-10-08
JP2009038088A2009-02-19
JP2009038089A2009-02-19
JPS63181411A1988-07-26
JPH0318113A1991-01-25
JPS60262414A1985-12-25
JPH03286514A1991-12-17
JPH02250306A1990-10-08
JP3664342B22005-06-22
Other References:
See also references of EP 2620963A4
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
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Claims: