Title:
METHOD FOR PRODUCING CHARGE RETENTION MEDIUM
Document Type and Number:
WIPO Patent Application WO/2012/074114
Kind Code:
A1
Abstract:
Provided is a method for producing a charge retention medium, with which it is easy to form a coating containing a fluorine-containing copolymer (precursor for a charge retention medium) having recurring units based on tetrafluoroethylene and recurring units based on ethylene on the surface of a base material, even if the surface of the base material has a complex shape. The method for producing a charge retention medium (electret (30)) includes a step wherein a coating composition containing a fluorine-containing copolymer (A) having recurring units based on tetrafluoroethylene and recurring units based on ethylene and an organic solvent (C) is applied to a base material (first base material (10)), thus forming a coating.
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Inventors:
NAKANO TAKASHI (JP)
OKANO KUNIKO (JP)
SHIROTA NAOKO (JP)
KASHIWAGI KIMIAKI (JP)
MORIZAWA YOSHITOMI (JP)
HAMATANI YOSHIKI (JP)
OKANO KUNIKO (JP)
SHIROTA NAOKO (JP)
KASHIWAGI KIMIAKI (JP)
MORIZAWA YOSHITOMI (JP)
HAMATANI YOSHIKI (JP)
Application Number:
PCT/JP2011/077986
Publication Date:
June 07, 2012
Filing Date:
December 02, 2011
Export Citation:
Assignee:
ASAHI GLASS CO LTD (JP)
NAKANO TAKASHI (JP)
OKANO KUNIKO (JP)
SHIROTA NAOKO (JP)
KASHIWAGI KIMIAKI (JP)
MORIZAWA YOSHITOMI (JP)
HAMATANI YOSHIKI (JP)
NAKANO TAKASHI (JP)
OKANO KUNIKO (JP)
SHIROTA NAOKO (JP)
KASHIWAGI KIMIAKI (JP)
MORIZAWA YOSHITOMI (JP)
HAMATANI YOSHIKI (JP)
International Classes:
H01G7/02; C09D123/08; C09D127/18; H02N1/00
Domestic Patent References:
| WO2010032759A1 | 2010-03-25 | |||
| WO2010044421A1 | 2010-04-22 | |||
| WO2010095554A1 | 2010-08-26 | |||
| WO2010032759A1 | 2010-03-25 | |||
| WO2010044421A1 | 2010-04-22 | |||
| WO2010044425A1 | 2010-04-22 |
Foreign References:
| JPH06332198A | 1994-12-02 | |||
| JP2007199639A | 2007-08-09 | |||
| JP4456803B2 | 2010-04-28 | |||
| JP2009012474A | 2009-01-22 | |||
| JP2010270651A | 2010-12-02 |
Other References:
See also references of EP 2648197A4
"Hansen Solubility Parameters: A Users Handbook", 2007, CRC PRESS
G.M.SESSLER: "Charging and Polarizing Methods", 1998, LAPLACIAN PRESS, article "Electrets Third Edition", pages: 20
"Hansen Solubility Parameters: A Users Handbook", 2007, CRC PRESS
G.M.SESSLER: "Charging and Polarizing Methods", 1998, LAPLACIAN PRESS, article "Electrets Third Edition", pages: 20
Attorney, Agent or Firm:
SENMYO, Kenji et al. (JP)
Spring name Kenji (JP)
Spring name Kenji (JP)
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Claims: