INKJET PRINTING INK - DAICEL CORP

Title:

INKJET PRINTING INK

Document Type and Number:

WIPO Patent Application WO/2019/111795

Kind Code:

A1

Abstract:

Provided is an ink for use in manufacturing electronic components via inkjet printing, the ink being capable of stably maintaining silver nanoparticle dispersibility for extended periods, even in the presence of oxygen, and can be sintered to obtain a sintered body exhibiting superior electrical conductivity. The ink according to the present invention is an inkjet printing ink containing surface-modified silver nanoparticles (A) and a dispersant (B), wherein: (A) is surface-modified silver nanoparticles constituted by silver nanoparticles surface-coated with an amine-containing protective agent; the (A) content (in terms of elemental silver) is at least 30 weight% with respect to the total weight of the ink; (B) contains (b-1) a secondary alcohol and/or a tertiary alcohol, and (b-2) a hydrocarbon; and the total (b-1) and (b-2) content is at least 70 weight% with respect to the total weight of (B).

Inventors:

IGUCHI YUKI (JP)
OKAMOTO KAZUKI (JP)

Application Number:

PCT/JP2018/043950

Publication Date:

June 13, 2019

Filing Date:

November 29, 2018

Export Citation:

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Assignee:

DAICEL CORP (JP)

International Classes:

C09D11/52; B22F1/0545; B22F1/102; B22F7/04; B82Y30/00; B82Y40/00; C09D11/30; H01B1/00; H01B1/22; H01B5/14; H01B13/00; H05K1/09; H05K3/10; B22F9/30

Domestic Patent References:

WO2015060084A1

2015-04-30

Foreign References:

JP2010150543A	2010-07-08
JP2010504409A	2010-02-12
JP2014034690A	2014-02-24
JPS63278983A	1988-11-16
JP2018080233A	2018-05-24
JP2017234967A	2017-12-07
JP2017234968A	2017-12-07

Other References: