Title:
CONDUCTIVE FILM, METHOD FOR PRODUCING SAME, AND TOUCH PANEL
Document Type and Number:
WIPO Patent Application WO/2013/002195
Kind Code:
A1
Abstract:
Provided are: a method for producing a conductive film having excellent conductivity, excellent transparency and low haze, while being reduced in pimple defects, said method being capable of successfully dispersing metal nanowires without aggregation during a coating operation; a conductive film which is produced by the above-described method for producing a conductive film; and a touch panel which comprises the conductive film. This method for producing a conductive film comprises: a cleaning step wherein a metal nanowire dispersion liquid that contains metal nanowires having an average minor axis length of 150 nm or less and a dispersant, said metal nanowires serving as metal particles, is cleaned by ultrafiltration with use of an ultrafiltration membrane; and a coating step wherein a coating liquid for conductive film formation, which contains the metal nanowire dispersion liquid after the cleaning step, is applied over a supporting body. This method for producing a conductive film is characterized in that the content of the dispersant in the metal nanowire dispersion liquid after the cleaning step ({mass of dispersant/(total mass of metal particles + mass of dispersant)} × 100) is 3.2% by mass or more.
Inventors:
MIYAGISHIMA NORI (JP)
NAKAHIRA SHINICHI (JP)
NAOI KENJI (JP)
NAKAHIRA SHINICHI (JP)
NAOI KENJI (JP)
Application Number:
PCT/JP2012/066219
Publication Date:
January 03, 2013
Filing Date:
June 26, 2012
Export Citation:
Assignee:
FUJIFILM CORP (JP)
MIYAGISHIMA NORI (JP)
NAKAHIRA SHINICHI (JP)
NAOI KENJI (JP)
MIYAGISHIMA NORI (JP)
NAKAHIRA SHINICHI (JP)
NAOI KENJI (JP)
International Classes:
H01B13/00; B82Y30/00; C09D5/24; C09D7/45; C09D7/61; C09D201/00; G06F3/041; H01B5/14
Foreign References:
| JP2011060686A | 2011-03-24 | |||
| JP2010086714A | 2010-04-15 | |||
| JP2010084173A | 2010-04-15 | |||
| JP2009129732A | 2009-06-11 | |||
| JP2010258205A | 2010-11-11 | |||
| JP2012009219A | 2012-01-12 |
Attorney, Agent or Firm:
ODAHARA Shuichi et al. (JP)
Shuichi Odawara (JP)
Shuichi Odawara (JP)
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Claims: