DE69417510T2 - Verfahren zur Herstellung von feinteiligen, dichtpackenden und kugelförmigen Silberpartikeln - Google Patents

Verfahren zur Herstellung von feinteiligen, dichtpackenden und kugelförmigen Silberpartikeln

Info

Publication number
DE69417510T2
DE69417510T2 DE69417510T DE69417510T DE69417510T2 DE 69417510 T2 DE69417510 T2 DE 69417510T2 DE 69417510 T DE69417510 T DE 69417510T DE 69417510 T DE69417510 T DE 69417510T DE 69417510 T2 DE69417510 T2 DE 69417510T2
Authority
DE
Germany
Prior art keywords
silver
alkanolamine
solution
reducing agent
silver particles
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69417510T
Other languages
German (de)
English (en)
Other versions
DE69417510D1 (de
Inventor
Howard David Wilmington Delaware 19807 Glicksman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE69417510D1 publication Critical patent/DE69417510D1/de
Application granted granted Critical
Publication of DE69417510T2 publication Critical patent/DE69417510T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00—Obtaining noble metals
    • C22B11/04—Obtaining noble metals by wet processes
    • 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
    • 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
    • B22F2009/245—Reduction reaction in an Ionic Liquid [IL]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
DE69417510T 1993-07-13 1994-06-22 Verfahren zur Herstellung von feinteiligen, dichtpackenden und kugelförmigen Silberpartikeln Expired - Fee Related DE69417510T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8903193A 1993-07-13 1993-07-13
US08/186,244 US5389122A (en) 1993-07-13 1994-01-25 Process for making finely divided, dense packing, spherical shaped silver particles

Publications (2)

Publication Number Publication Date
DE69417510D1 DE69417510D1 (de) 1999-05-06
DE69417510T2 true DE69417510T2 (de) 1999-07-29

Family

ID=26779843

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69417510T Expired - Fee Related DE69417510T2 (de) 1993-07-13 1994-06-22 Verfahren zur Herstellung von feinteiligen, dichtpackenden und kugelförmigen Silberpartikeln

Country Status (7)

Country Link
US (1) US5389122A (enExample)
EP (1) EP0652293B1 (enExample)
JP (1) JP2562005B2 (enExample)
KR (1) KR0124053B1 (enExample)
CN (1) CN1072995C (enExample)
DE (1) DE69417510T2 (enExample)
TW (1) TW278100B (enExample)

Families Citing this family (42)

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US5626645A (en) * 1995-09-27 1997-05-06 The United States Of America As Represented By The Department Of Energy Process for making silver metal filaments
US6110254A (en) * 1999-02-24 2000-08-29 The United States Of America As Represented By The Secretary Of Commerce Method for chemical precipitation of metallic silver powder via a two solution technique
JP2004516468A (ja) 2000-12-18 2004-06-03 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 懸濁中の粒子の超音波サイズ測定方法および装置
JP2005081501A (ja) * 2003-09-09 2005-03-31 Ulvac Japan Ltd 金属ナノ粒子及びその製造方法、金属ナノ粒子分散液及びその製造方法、並びに金属細線及び金属膜及びその形成方法
JP4320447B2 (ja) * 2004-02-03 2009-08-26 Ｄｏｗａエレクトロニクス株式会社 銀粉およびその製造方法
JP2005240092A (ja) * 2004-02-26 2005-09-08 Dowa Mining Co Ltd 銀粉およびその製造方法
JP2005330529A (ja) * 2004-05-19 2005-12-02 Dowa Mining Co Ltd 球状銀粉およびその製造方法
JP2006002228A (ja) * 2004-06-18 2006-01-05 Dowa Mining Co Ltd 球状銀粉およびその製造方法
US7592001B2 (en) * 2004-08-02 2009-09-22 University Of Florida Research Foundation, Inc. High aspect ratio metal particles and methods for forming same
US20060130700A1 (en) * 2004-12-16 2006-06-22 Reinartz Nicole M Silver-containing inkjet ink
JP4613362B2 (ja) * 2005-01-31 2011-01-19 Ｄｏｗａエレクトロニクス株式会社 導電ペースト用金属粉および導電ペースト
CA2604726C (en) * 2005-04-20 2012-01-24 Phibro-Tech, Inc. Production of fine particle copper powders
US7291292B2 (en) * 2005-08-26 2007-11-06 E.I. Du Pont De Nemours And Company Preparation of silver particles using thermomorphic polymers
JP2007224422A (ja) * 2007-03-12 2007-09-06 Dowa Holdings Co Ltd 銀粉およびこれを用いたペースト
CN101795794A (zh) * 2007-09-19 2010-08-04 E.I.内穆尔杜邦公司 通过还原银聚胺络合物来制备银球
US20090169724A1 (en) * 2007-12-27 2009-07-02 Toshiaki Ogiwara Conductive paste for use in membrane touch switch applications
US20110195264A1 (en) * 2008-10-14 2011-08-11 Laird Technologies, Inc. Acicular Metal Particles Having a High Aspect Ratio and Non-Catalytic Methods for Making the Same
TW201100185A (en) * 2009-05-01 2011-01-01 Du Pont Silver particles and a process for making them
TW201043359A (en) * 2009-05-01 2010-12-16 Du Pont Silver particles and a process for making them
US20110048527A1 (en) * 2009-08-25 2011-03-03 E.I. Du Pont De Nemours And Company Silver thick film paste compositions and their use in conductors for photovoltaic cells
KR101151219B1 (ko) * 2010-08-04 2012-06-14 한국표준과학연구원 광학장치 및 색도계 보정방법
RU2445951C1 (ru) * 2010-08-24 2012-03-27 Константин Константинович Кошелев Способ получения концентратов нанодисперсий нульвалентных металлов с антисептическими свойствами
US8366799B2 (en) 2010-08-30 2013-02-05 E I Du Pont De Nemours And Company Silver particles and a process for making them
US8574338B2 (en) 2010-11-17 2013-11-05 E I Du Pont De Nemours And Company Reactor and continuous process for producing silver powders
US9067261B2 (en) 2011-03-08 2015-06-30 E I Du Pont De Nemours And Company Process for making silver powder particles with very small size crystallites
US8715387B2 (en) 2011-03-08 2014-05-06 E I Du Pont De Nemours And Company Process for making silver powder particles with small size crystallites
CN102133635B (zh) * 2011-05-02 2012-09-19 杨荣春 银粉及其制造方法
CN102366838A (zh) * 2011-09-16 2012-03-07 王利兵 一种粒径均一且单分散的稳定性好的银纳米粒子制备方法
CN104884193B (zh) 2012-08-30 2017-03-08 康宁股份有限公司 不含溶剂的银合成及由此制备的银产物
CN104685076B (zh) 2012-08-31 2017-05-31 康宁股份有限公司 基于低温分散体的银合成及由此制备的银产物
US9637806B2 (en) 2012-08-31 2017-05-02 Corning Incorporated Silver recovery methods and silver products produced thereby
CN103817345B (zh) * 2014-03-10 2016-01-20 洛阳理工学院 一种纳米铜粉的三步还原法制备工艺
WO2019082636A1 (ja) 2017-10-27 2019-05-02 コニカミノルタ株式会社 銀ナノ粒子の製造方法
US10851257B2 (en) 2017-11-08 2020-12-01 Eastman Kodak Company Silver and copper nanoparticle composites
US10472528B2 (en) 2017-11-08 2019-11-12 Eastman Kodak Company Method of making silver-containing dispersions
CN109865846A (zh) * 2019-04-12 2019-06-11 西安汇创贵金属新材料研究院有限公司 一种球形微米银粉的制备装置及方法
CN112008094B (zh) * 2020-09-08 2024-03-01 西安汇创贵金属新材料研究院有限公司 一种银粉的制备方法
CN112589113A (zh) * 2020-12-10 2021-04-02 长沙新材料产业研究院有限公司 一种微米级球形银粉及其制备方法和应用
US12427570B2 (en) 2021-03-08 2025-09-30 Dowa Electronics Materials Co., Ltd. Silver flake powder and production method thereof, and electrically conductive paste
JP7436544B2 (ja) 2022-03-16 2024-02-21 Ｄｏｗａエレクトロニクス株式会社 ブロック状銀粉およびその製造方法、ならびに導電性ペースト
CN117680694A (zh) * 2023-11-29 2024-03-12 中船黄冈贵金属有限公司 一种粗糙球形银粉及其制备方法和应用
CN119634744B (zh) * 2024-11-08 2025-11-04 深圳市哈深智材科技有限公司 一种银颗粒及其制备方法和应用

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2329352C2 (de) * 1973-06-08 1982-05-19 Demetron Gesellschaft für Elektronik-Werkstoffe mbH, 6540 Hanau Verfahren zur Herstellung von Goldpulver
US3940261A (en) * 1974-07-24 1976-02-24 Eastman Kodak Company Process for preparing crystalline silver particles having electrically conductive surfaces and product
US4078918A (en) * 1976-11-26 1978-03-14 Perman Craig A Method for precious metal recovery
US4319920A (en) * 1980-03-03 1982-03-16 Ercon, Inc. Novel electroconductive compositions and powder for use therein
GB2103659A (en) * 1981-08-12 1983-02-23 Robert Henry Perrin Recovery of precious metals from solutions
HU194758B (en) * 1985-09-18 1988-03-28 Allami Penzveroe Method for producing silver powder
JPS62280308A (ja) * 1986-05-30 1987-12-05 Mitsui Mining & Smelting Co Ltd 銀−パラジウム合金微粉末の製造方法
EP0363552B1 (en) * 1988-07-27 1993-10-13 Tanaka Kikinzoku Kogyo K.K. Process for preparing metal particles
US4979985A (en) * 1990-02-06 1990-12-25 E. I. Du Pont De Nemours And Company Process for making finely divided particles of silver metal
JPH0459904A (ja) * 1990-06-28 1992-02-26 Sumitomo Metal Mining Co Ltd 銀微粉末の製造方法
JPH04323310A (ja) * 1991-04-12 1992-11-12 Daido Steel Co Ltd 金属微粉末の製造方法
US5188660A (en) * 1991-10-16 1993-02-23 E. I. Du Pont De Nemours And Company Process for making finely divided particles of silver metals
US5292359A (en) * 1993-07-16 1994-03-08 Industrial Technology Research Institute Process for preparing silver-palladium powders
JP4059904B2 (ja) * 2006-07-03 2008-03-12 株式会社三共 遊技機

Also Published As

Publication number Publication date
KR950002898A (ko) 1995-02-16
CN1106326A (zh) 1995-08-09
TW278100B (enExample) 1996-06-11
DE69417510D1 (de) 1999-05-06
EP0652293A1 (en) 1995-05-10
CN1072995C (zh) 2001-10-17
JPH0776710A (ja) 1995-03-20
KR0124053B1 (ko) 1997-12-04
JP2562005B2 (ja) 1996-12-11
EP0652293B1 (en) 1999-03-31
US5389122A (en) 1995-02-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee