WHITE CONDUCTIVE POWDER, DISPERSION LIQUID THEREOF, COATING MATERIAL, FILM COMPOSITION, AND PRODUCTION METHOD OF WHITE CONDUCTIVE POWDER

Title:

WHITE CONDUCTIVE POWDER, DISPERSION LIQUID THEREOF, COATING MATERIAL, FILM COMPOSITION, AND PRODUCTION METHOD OF WHITE CONDUCTIVE POWDER

Document Type and Number:

WIPO Patent Application WO/2014/003179

Kind Code:

A1

Abstract:

Provided is a white conductive powder which has excellent diffusion properties in resin and which can suppress the in-plane variation of the resistance value when used as a conductive film. This white conductive powder comprises a tin oxide covering layer provided on the surface of titanium oxide particles, wherein the mass ratio of tin oxide to titanium oxide is 0.5-1.2, and the water content ratio of the tin oxide is 2.0-4.6 mass%. This white conductive powder is produced by carrying out: a heat treatment step for heating in an inert atmosphere a precursor powder comprising tin hydroxide covering the surface of titanium oxide particles, thereby forming a conductive tin oxide covering layer on the surface of the titanium oxide particles; and, after the heat processing step, a humidification step for adding water content by holding in a humidified atmosphere.

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Inventors:

SHIRAISHI SHINYA (JP)
UMEDA HIROTOSHI (JP)
SASAKI SUZUO (JP)

Application Number:

PCT/JP2013/067883

Publication Date:

January 03, 2014

Filing Date:

June 28, 2013

Export Citation:

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Assignee:

MITSUBISHI MATERIALS CORP (JP)
MITSUBISHI MAT ELECT CHEM CO (JP)

International Classes:

C09C1/36; C01G23/047; C09C3/06; C09D5/24; C09D7/12; C09D201/00; H01B1/00; H01B1/20; H01B5/00; H01B13/00

Domestic Patent References:

WO2004078861A1

2004-09-16

Foreign References:

JP2011054508A	2011-03-17
JP2010157448A	2010-07-15
JP2002179948A	2002-06-26
JPH06207118A	1994-07-26
JPS63285118A	1988-11-22

Attorney, Agent or Firm:

AOYAMA, MASAKAZU (JP)
Aoyama Masakazu (JP)

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