INK COMPOSITION, INK-COMPOSITION PRODUCTION METHOD, TRANSPARENT CONDUCTIVE FILM, AND TRANSPARENT-CONDUCTIVE-FILM PRODUCTION METHOD

WIPO Patent Application WO/2014/024735

A1

[Problem] To provide: an ink composition with which screen printing can be used to form a transparent conductive film exhibiting excellent conductivity and transmittance; an ink-composition production method; a transparent conductive film; and a transparent-conductive-film production method. [Solution] This ink composition is characterized by being obtained by forming an ink from a solution obtained by mixing 100 parts by weight of a PEDOT/PSS aqueous solution, 300 or fewer parts by weight of a mixed alcohol, and a silane coupling agent. This ink composition is further characterized in that: the concentration of the PEDOT/PSS aqueous solution satisfies relational expression (1), namely 1.3 wt% ≤ PEDOT/PSS aqueous solution < 3.5 wt%; and the mixed alcohol includes a low-viscosity solvent and a high-viscosity alcohol. It is preferable that the low-viscosity solvent in this ink composition be a lower alcohol. Furthermore, it is preferable that the high-viscosity alcohol in this ink composition be glycol.

SASAKI YORIHIKO (JP)
SUZUKI YOSHIMUNE (JP)

PCT/JP2013/070637

February 13, 2014

July 30, 2013

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ALPS ELECTRIC CO LTD (JP)

C09D11/00; H01B1/12; H01B1/20; H01B5/14; H01B13/00

WO2012057257A1	2012-05-03
WO2009044894A1	2009-04-09
WO2011099474A1	2011-08-18

JP2010114066A	2010-05-20
JP2010146944A	2010-07-01
JP2009170408A	2009-07-30
JP2009040969A	2009-02-26

NOZAKI, Teruo (JP)
Teruo Nozaki (JP)

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