WO2008123494A1 - Fine silver particle, process for producing fine silver particle, and apparatus for producing fine silver particle - Google Patents

Fine silver particle, process for producing fine silver particle, and apparatus for producing fine silver particle Download PDF

Info

Publication number
WO2008123494A1
WO2008123494A1 PCT/JP2008/056319 JP2008056319W WO2008123494A1 WO 2008123494 A1 WO2008123494 A1 WO 2008123494A1 JP 2008056319 W JP2008056319 W JP 2008056319W WO 2008123494 A1 WO2008123494 A1 WO 2008123494A1
Authority
WO
WIPO (PCT)
Prior art keywords
fine silver
silver particle
silver
pipeline
producing
Prior art date
Application number
PCT/JP2008/056319
Other languages
French (fr)
Japanese (ja)
Inventor
Akihiro Higami
Takahiro Uno
Kazusuke Sato
Original Assignee
Mitsubishi Materials Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007095660A external-priority patent/JP2008255378A/en
Priority claimed from JP2007095658A external-priority patent/JP2008255377A/en
Application filed by Mitsubishi Materials Corporation filed Critical Mitsubishi Materials Corporation
Priority to CN2008800069565A priority Critical patent/CN101626856B/en
Publication of WO2008123494A1 publication Critical patent/WO2008123494A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions

Abstract

Fine silver particles which contain a halogen in an amount of 5.0×10-8 to 1.5×10-3 mol per mol of the silver. Also provided is a process for producing the fine silver particles which includes a step in which a reducing agent is added to a silver ion solution to reduce the silver ions and thereby precipitate fine silver particles, the silver ion reduction being conducted in the presence of a nucleating substance which constitutes nuclei for the fine silver particles. Furthermore provided is an apparatus for producing the fine silver particles which comprises a silver ion solution tank, a first pipeline connected to the silver ion solution tank, an aqueous-ammonia-solution tank, a second pipeline connected to the aqueous-ammonia-solution tank, a reducing-liquid tank, a third pipeline connected to the reducing-liquid tank, and a fourth pipeline extending from a part where the first and second pipelines cross each other. The apparatus has a constitution in which a reducing liquid supplied through the third pipeline is mixed with a liquid mixture of a silver ion solution and an ammonia solution, the liquid mixture being supplied through the fourth pipeline.
PCT/JP2008/056319 2007-03-30 2008-03-31 Fine silver particle, process for producing fine silver particle, and apparatus for producing fine silver particle WO2008123494A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008800069565A CN101626856B (en) 2007-03-30 2008-03-31 Fine silver particle, process for producing fine silver particle, and apparatus for producing fine silver particle

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2007095660A JP2008255378A (en) 2007-03-30 2007-03-30 Method for producing silver particulate
JP2007-095657 2007-03-30
JP2007095657 2007-03-30
JP2007095659 2007-03-30
JP2007-095659 2007-03-30
JP2007095658A JP2008255377A (en) 2007-03-30 2007-03-30 Method for producing silver particulate
JP2007-095660 2007-03-30
JP2007-095658 2007-03-30

Publications (1)

Publication Number Publication Date
WO2008123494A1 true WO2008123494A1 (en) 2008-10-16

Family

ID=39830972

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/056319 WO2008123494A1 (en) 2007-03-30 2008-03-31 Fine silver particle, process for producing fine silver particle, and apparatus for producing fine silver particle

Country Status (3)

Country Link
KR (1) KR20090128380A (en)
TW (1) TWI468240B (en)
WO (1) WO2008123494A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010225574A (en) * 2008-10-22 2010-10-07 Mitsubishi Materials Corp Silver paste
JP2010225576A (en) * 2008-10-22 2010-10-07 Mitsubishi Materials Corp Silver paste
JP2010225575A (en) * 2008-10-22 2010-10-07 Mitsubishi Materials Corp Silver paste

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6417803A (en) * 1987-07-14 1989-01-20 Agency Ind Science Techn Method for coating metal fine powder with other metal
JP2004051997A (en) * 2002-07-16 2004-02-19 Ulvac Japan Ltd Dispersion liquid of metallic microparticles, preparation method therefor, transparent colored film and manufacturing method therefor
JP2004068072A (en) * 2002-08-06 2004-03-04 Sumitomo Metal Mining Co Ltd Manufacturing method of silver particulate colloid dispersion solution
JP2004353089A (en) * 2003-05-27 2004-12-16 Samsung Electronics Co Ltd Method for producing non-magnetic nickel powder
JP2005048236A (en) * 2003-07-29 2005-02-24 Mitsui Mining & Smelting Co Ltd Superfine silver powder and method of producing superfine silver powder
JP2005254179A (en) * 2004-03-12 2005-09-22 Bando Chem Ind Ltd Synthetic method and synthetic apparatus
JP2005325411A (en) * 2004-05-14 2005-11-24 Fukuda Metal Foil & Powder Co Ltd Metal powder having excellent sinterability, its production method and method for producing sintered compact using the metal powder
JP2006161145A (en) * 2004-12-10 2006-06-22 Dowa Mining Co Ltd Silver powder and method for producing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0723218B2 (en) * 1988-01-18 1995-03-15 富士写真フイルム株式会社 Method for producing silver halide grains
US6660058B1 (en) * 2000-08-22 2003-12-09 Nanopros, Inc. Preparation of silver and silver alloyed nanoparticles in surfactant solutions
JP2005105376A (en) * 2003-09-30 2005-04-21 Sumitomo Osaka Cement Co Ltd Silver fine particle and its production method
JP4665499B2 (en) * 2004-12-10 2011-04-06 三菱マテリアル株式会社 Metal fine particles, production method thereof, composition containing the same, and use thereof
TWI285568B (en) * 2005-02-02 2007-08-21 Dowa Mining Co Powder of silver particles and process

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6417803A (en) * 1987-07-14 1989-01-20 Agency Ind Science Techn Method for coating metal fine powder with other metal
JP2004051997A (en) * 2002-07-16 2004-02-19 Ulvac Japan Ltd Dispersion liquid of metallic microparticles, preparation method therefor, transparent colored film and manufacturing method therefor
JP2004068072A (en) * 2002-08-06 2004-03-04 Sumitomo Metal Mining Co Ltd Manufacturing method of silver particulate colloid dispersion solution
JP2004353089A (en) * 2003-05-27 2004-12-16 Samsung Electronics Co Ltd Method for producing non-magnetic nickel powder
JP2005048236A (en) * 2003-07-29 2005-02-24 Mitsui Mining & Smelting Co Ltd Superfine silver powder and method of producing superfine silver powder
JP2005254179A (en) * 2004-03-12 2005-09-22 Bando Chem Ind Ltd Synthetic method and synthetic apparatus
JP2005325411A (en) * 2004-05-14 2005-11-24 Fukuda Metal Foil & Powder Co Ltd Metal powder having excellent sinterability, its production method and method for producing sintered compact using the metal powder
JP2006161145A (en) * 2004-12-10 2006-06-22 Dowa Mining Co Ltd Silver powder and method for producing the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010225574A (en) * 2008-10-22 2010-10-07 Mitsubishi Materials Corp Silver paste
JP2010225576A (en) * 2008-10-22 2010-10-07 Mitsubishi Materials Corp Silver paste
JP2010225575A (en) * 2008-10-22 2010-10-07 Mitsubishi Materials Corp Silver paste

Also Published As

Publication number Publication date
TWI468240B (en) 2015-01-11
KR20090128380A (en) 2009-12-15
TW200911417A (en) 2009-03-16

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