JP2010539337A - 銀ポリアミン錯体の還元による銀球の調製 - Google Patents
銀ポリアミン錯体の還元による銀球の調製 Download PDFInfo
- Publication number
- JP2010539337A JP2010539337A JP2010526006A JP2010526006A JP2010539337A JP 2010539337 A JP2010539337 A JP 2010539337A JP 2010526006 A JP2010526006 A JP 2010526006A JP 2010526006 A JP2010526006 A JP 2010526006A JP 2010539337 A JP2010539337 A JP 2010539337A
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- JP
- Japan
- Prior art keywords
- silver
- solvent
- solution
- polyamine
- particles
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- 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.)
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- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
a.溶媒に銀塩を溶解させ、この溶液をポリアミンと混合して、銀−ポリエチレンアミン錯体の溶液を形成する工程と、
b.溶媒に溶解させたイソアスコルビン酸またはアスコルビン酸を含む還元性溶液を調製する工程と、
c.前記銀−ポリエチレンアミン錯体の溶液に前記還元性溶液を添加して、微細且つ均一な分散球形状銀粒子を形成する工程と、
d.工程(c)の溶液から前記銀粒子を分離する工程と、
e.前記銀粒子を溶媒で洗浄する工程と、
f.前記微細且つ均一な分散球形状銀粒子を乾燥させる工程と
を含む方法が記載されている。
Claims (15)
- 保護コロイドを用いずに、平滑な表面を有する均一な分散球状銀粒子を形成する方法であって、以下の逐次工程、
g.溶媒に銀塩を溶解させ、この溶液をポリアミンと混合して、銀−ポリエチレンアミン錯体の溶液を形成する工程と、
h.溶媒に溶解させたイソアスコルビン酸またはアスコルビン酸を含む還元性溶液を調製する工程と、
i.前記銀−ポリエチレンアミン錯体の溶液に前記還元性溶液を添加して、微細かつ均一な分散球形状銀粒子を形成する工程と、
j.工程(c)の前記溶液から前記銀粒子を分離する工程と、
k.前記銀粒子を溶媒で洗浄する工程と、
l.前記微細かつ均一な分散球形状銀粒子を乾燥させる工程と
を含む方法。 - 前記銀塩が硝酸銀である請求項1に記載の方法。
- 工程(c)が20℃〜80℃の温度範囲内で行われる請求項1に記載の方法。
- 前記ポリエチレンアミンが直鎖ポリアミンまたは置換直鎖ポリアミンである請求項1に記載の方法。
- 前記ポリエチレンアミンが、エチレンジアミン、ジエチレントリアミン、トリエチレンテトラアミンおよびテトラエチレンペンタアミンからなる群から選択される請求項1に記載の方法。
- 前記ポリアミンがエチレンジアミンである請求項5に記載の方法。
- 前記還元剤が、L−アスコルビン酸、D−アスコルビン酸およびそれらの塩のうち1種を含む請求項1に記載の方法。
- 前記還元剤がイソアスコルビン酸である請求項7に記載の方法。
- 前記粒子を220℃で乾燥させて、残留有機材料を除去し、結晶度を高める請求項1に記載の方法。
- Ag/ポリエチレンアミンの比が1:1以上である請求項1に記載の方法。
- Ag/ポリエチレンアミンの比が4:1以上である請求項10に記載の方法。
- 前記溶媒が水である請求項1に記載の方法。
- 前記溶媒がポリオールである請求項 に記載の方法。
- 前記溶媒がジエチレングリコールである請求項13に記載の方法。
- 前記溶媒がポリオールと水との混合物である請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US96017007P | 2007-09-19 | 2007-09-19 | |
PCT/US2008/077061 WO2009039401A2 (en) | 2007-09-19 | 2008-09-19 | Preparation of silver spheres by the reduction of silver polyamine complexes |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010539337A true JP2010539337A (ja) | 2010-12-16 |
JP2010539337A5 JP2010539337A5 (ja) | 2011-09-29 |
Family
ID=40282470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010526006A Pending JP2010539337A (ja) | 2007-09-19 | 2008-09-19 | 銀ポリアミン錯体の還元による銀球の調製 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8292986B2 (ja) |
EP (1) | EP2190614A2 (ja) |
JP (1) | JP2010539337A (ja) |
KR (1) | KR101229687B1 (ja) |
CN (1) | CN101795794A (ja) |
WO (1) | WO2009039401A2 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2281646A1 (en) | 2009-07-02 | 2011-02-09 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Method and kit for manufacturing metal nanoparticles and metal-containing nanostructured composite materials |
CN102211206B (zh) * | 2011-05-25 | 2013-09-18 | 华东微电子技术研究所合肥圣达实业公司 | 一种钛酸钡基半导体陶瓷欧姆电极浆料用超细球形银粉的制备方法 |
WO2014165148A1 (en) | 2013-03-12 | 2014-10-09 | Arizona Board Of Regents, A Body Corporate Of The State Of Arizona Acting For And On Behalf Of Arizona State University | Dendritic structures and tags |
CN105290417A (zh) * | 2014-06-17 | 2016-02-03 | 中国科学院大连化学物理研究所 | 一种可高度分散在有机体系中的纳米银的合成方法 |
US10810731B2 (en) | 2014-11-07 | 2020-10-20 | Arizona Board Of Regents On Behalf Of Arizona State University | Information coding in dendritic structures and tags |
EP3639188A4 (en) | 2017-06-16 | 2021-03-17 | Arizona Board of Regents on behalf of Arizona State University | POLARIZED SCANNING OF DENDRITIC IDENTIFICATORS |
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 |
WO2019113059A1 (en) * | 2017-12-04 | 2019-06-13 | Greene Lyon Group, Inc. | Silver recovery |
US11598015B2 (en) | 2018-04-26 | 2023-03-07 | Arizona Board Of Regents On Behalf Of Arizona State University | Fabrication of dendritic structures and tags |
CN108746656B (zh) * | 2018-06-15 | 2021-11-26 | 威海职业学院 | 用于金刚石制品的预合金粉及其制备方法 |
US20200130066A1 (en) * | 2018-10-25 | 2020-04-30 | Zhi ZHAO | Photochemical synthesis of dendritic silver particles |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004100013A (ja) * | 2002-09-12 | 2004-04-02 | Mitsui Mining & Smelting Co Ltd | 低凝集性銀粉並びにその低凝集性銀粉の製造方法及びその低凝集性銀粉を用いた導電性ペースト |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5389122A (en) * | 1993-07-13 | 1995-02-14 | E. I. Du Pont De Nemours And Company | Process for making finely divided, dense packing, spherical shaped silver particles |
US5292359A (en) * | 1993-07-16 | 1994-03-08 | Industrial Technology Research Institute | Process for preparing silver-palladium powders |
US7718094B2 (en) * | 2004-06-18 | 2010-05-18 | The Research Foundation Of State University Of New York | Preparation of metallic nanoparticles |
US8349393B2 (en) * | 2004-07-29 | 2013-01-08 | Enthone Inc. | Silver plating in electronics manufacture |
US20060130700A1 (en) * | 2004-12-16 | 2006-06-22 | Reinartz Nicole M | Silver-containing inkjet ink |
WO2006076611A2 (en) * | 2005-01-14 | 2006-07-20 | Cabot Corporation | Production of metal nanoparticles |
US7291292B2 (en) * | 2005-08-26 | 2007-11-06 | E.I. Du Pont De Nemours And Company | Preparation of silver particles using thermomorphic polymers |
JP4839767B2 (ja) | 2005-10-14 | 2011-12-21 | 東洋インキScホールディングス株式会社 | 金属微粒子分散体の製造方法、該方法で製造された金属微粒子分散体を用いた導電性インキ、および導電性パターン。 |
US7625637B2 (en) * | 2006-05-31 | 2009-12-01 | Cabot Corporation | Production of metal nanoparticles from precursors having low reduction potentials |
US7648557B2 (en) * | 2006-06-02 | 2010-01-19 | E. I. Du Pont De Nemours And Company | Process for making highly dispersible spherical silver powder particles and silver particles formed therefrom |
-
2008
- 2008-09-19 WO PCT/US2008/077061 patent/WO2009039401A2/en active Application Filing
- 2008-09-19 CN CN200880107447A patent/CN101795794A/zh active Pending
- 2008-09-19 US US12/234,341 patent/US8292986B2/en active Active
- 2008-09-19 KR KR1020107008303A patent/KR101229687B1/ko not_active IP Right Cessation
- 2008-09-19 EP EP08832691A patent/EP2190614A2/en not_active Withdrawn
- 2008-09-19 JP JP2010526006A patent/JP2010539337A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004100013A (ja) * | 2002-09-12 | 2004-04-02 | Mitsui Mining & Smelting Co Ltd | 低凝集性銀粉並びにその低凝集性銀粉の製造方法及びその低凝集性銀粉を用いた導電性ペースト |
Non-Patent Citations (1)
Title |
---|
EDUARDO VILLEGAS ORTEGA、DIMITRIOS BERK: "Precipitation of Silver Powders in the Presence of Ethylenediamine Tetraacetic Acid", IND ENG CHEM RES, vol. 45, no. 6, JPN6013021312, 15 March 2006 (2006-03-15), US, pages 1863 - 1868, ISSN: 0002524304 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009039401A3 (en) | 2009-09-17 |
EP2190614A2 (en) | 2010-06-02 |
US20090071292A1 (en) | 2009-03-19 |
KR101229687B1 (ko) | 2013-02-05 |
US8292986B2 (en) | 2012-10-23 |
WO2009039401A2 (en) | 2009-03-26 |
CN101795794A (zh) | 2010-08-04 |
KR20100068447A (ko) | 2010-06-23 |
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