Title:
ALCOHOL-BASED SILVER NANOWIRE DISPERSION LIQUID AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2019/239975
Kind Code:
A1
Abstract:
[Problem] To provide an alcohol-based silver nanowire dispersion liquid, which achieves a high advantageous effect in terms of reducing the number of point-like foreign bodies when a transparent electrically conductive film is formed and which achieves a high advantageous effect in terms of imparting excellent electrical conductivity. [Solution] This alcohol-based silver nanowire dispersion liquid is obtained by dispersing silver nanowires in a liquid medium comprising mainly an alcohol having 1-4 carbon atoms, the silver nanowires having an organic protecting agent attached to the surface thereof, and being configured so that the proportion of wires having a length of 5.0 μm or less is 18% or less and the average diameter of the wires is 50 nm. The organic protecting agent comprises mainly a copolymer of vinylpyrrolidone and another monomer, and the attached amount of the organic protecting agent is 7.5-12.5% in terms of mass relative to silver.
Inventors:
NAKAYAMA SEIJI (JP)
SAITO HIROTOSHI (JP)
SATO KIMITAKA (JP)
SAITO HIROTOSHI (JP)
SATO KIMITAKA (JP)
Application Number:
PCT/JP2019/022275
Publication Date:
December 19, 2019
Filing Date:
June 05, 2019
Export Citation:
Assignee:
DOWA ELECTRONICS MATERIALS CO (JP)
International Classes:
H01B1/22; B22F1/00; B22F1/102; B82Y30/00; B82Y40/00; H01B1/00; H01B13/00
Foreign References:
| JP2018003014A | 2018-01-11 | |||
| JP2017082305A | 2017-05-18 | |||
| JP2015137370A | 2015-07-30 |
Attorney, Agent or Firm:
KOMATSU Takashi (JP)
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