JP2010174354A - 水酸化ニッケル被覆ニッケル粒子及びその製造方法 - Google Patents
水酸化ニッケル被覆ニッケル粒子及びその製造方法 Download PDFInfo
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- 239000002245 particle Substances 0.000 title claims abstract description 126
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 91
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- ZDXPYRJPNDTMRX-VKHMYHEASA-N L-glutamine Chemical compound OC(=O)[C@@H](N)CCC(N)=O ZDXPYRJPNDTMRX-VKHMYHEASA-N 0.000 description 1
- HNDVDQJCIGZPNO-YFKPBYRVSA-N L-histidine Chemical compound OC(=O)[C@@H](N)CC1=CN=CN1 HNDVDQJCIGZPNO-YFKPBYRVSA-N 0.000 description 1
- AGPKZVBTJJNPAG-WHFBIAKZSA-N L-isoleucine Chemical compound CC[C@H](C)[C@H](N)C(O)=O AGPKZVBTJJNPAG-WHFBIAKZSA-N 0.000 description 1
- ROHFNLRQFUQHCH-YFKPBYRVSA-N L-leucine Chemical compound CC(C)C[C@H](N)C(O)=O ROHFNLRQFUQHCH-YFKPBYRVSA-N 0.000 description 1
- KDXKERNSBIXSRK-YFKPBYRVSA-N L-lysine Chemical compound NCCCC[C@H](N)C(O)=O KDXKERNSBIXSRK-YFKPBYRVSA-N 0.000 description 1
- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical compound CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 description 1
- COLNVLDHVKWLRT-QMMMGPOBSA-N L-phenylalanine Chemical compound OC(=O)[C@@H](N)CC1=CC=CC=C1 COLNVLDHVKWLRT-QMMMGPOBSA-N 0.000 description 1
- ROHFNLRQFUQHCH-UHFFFAOYSA-N Leucine Natural products CC(C)CC(N)C(O)=O ROHFNLRQFUQHCH-UHFFFAOYSA-N 0.000 description 1
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 1
- 239000004472 Lysine Substances 0.000 description 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- MTCFGRXMJLQNBG-UHFFFAOYSA-N Serine Natural products OCC(N)C(O)=O MTCFGRXMJLQNBG-UHFFFAOYSA-N 0.000 description 1
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- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 description 1
- 235000004279 alanine Nutrition 0.000 description 1
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- 150000001412 amines Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 description 1
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- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
-
- 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
- B22F1/16—Metallic particles coated with a non-metal
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Non-Insulated Conductors (AREA)
Abstract
【解決手段】本発明の水酸化ニッケル被覆ニッケル粒子20は、外力によって除去可能な程度の結合力で結合した水酸化ニッケルで表面が被覆されてなる。一次粒子の平均粒径は5〜500nmである。この粒子20は、水酸化ニッケルの粒子10をポリオール類中に懸濁させた状態で加熱してニッケルに還元する際に、水酸化ニッケル粒子10を完全に還元させず、還元の途中で反応を終了させて、水酸化ニッケル粒子10内に多数の微小ニッケル粒子12を生成させ、次いで水酸化ニッケル粒子10を解砕して得られる。
【選択図】図1
Description
500mlのビーカーに、445gのエチレングリコール、32.3gの水酸化ニッケル粒子(平均粒径5μm)、4.3gのポリビニルピロリドン、10gのポリエチレンイミン、4gのL−アルギニン、0.69mlの硝酸パラジウム水溶液(濃度:100g/l)を加えスラリーを調製した。このスラリーを撹拌しながら加熱し、190℃で13時間還元反応を行った。その後、加熱を停止して還元を終了させ、室温まで自然放冷した。このようにして、水酸化ニッケルの粒子内に、多数のニッケル微粒子を生成させた。この状態は図2に相当する。
実施例1において、還元反応を22時間行い水酸化ニッケルの還元を完全に行った以外は実施例1と同様の操作を行った。このようにして得られたニッケル微粒子の状態を図5(a)及び(b)に示す。同図から明らかなように、本比較例で得られたニッケル微粒子は、粒子どうしの凝集が甚だしいものであった。
11 水酸化ニッケルのマトリクス
12 ニッケルコア粒子
20 水酸化ニッケル被覆ニッケル粒子
21 ニッケルコア粒子
22 水酸化ニッケルの薄層
30 ニッケル粒子
Claims (4)
- 外力によって除去可能な程度の結合力で結合した水酸化ニッケルで表面が被覆されてなり、一次粒子の平均粒径が5〜500nmであることを特徴とする水酸化ニッケル被覆ニッケル粒子。
- 水酸化ニッケルが、メディアミルによって加えられた外力によって除去可能な程度の結合力で結合している請求項1記載の水酸化ニッケル被覆ニッケル粒子。
- 請求項1記載の水酸化ニッケル被覆ニッケル粒子の製造方法であって、
水酸化ニッケルの粒子をポリオール類中に懸濁させた状態で加熱してニッケルに還元する際に、該水酸化ニッケル粒子を完全に還元させず、還元の途中で反応を終了させて、該水酸化ニッケル粒子内に多数の微小ニッケル粒子を生成させ、
次いで、該水酸化ニッケル粒子を解砕して、表面に水酸化ニッケルの薄層を有する多数のニッケル粒子を得ることを特徴とする水酸化ニッケル被覆ニッケル粒子の製造方法。 - 請求項3に記載の方法に従い水酸化ニッケル被覆ニッケル粒子を製造し、
次いで該水酸化ニッケル被覆ニッケル微粒子に外力を加え、水酸化ニッケルの被覆を除去することを特徴とするニッケル微粒子の製造方法。
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TW098143410A TWI483796B (zh) | 2009-01-30 | 2009-12-17 | Nickel particles coated with nickel hydroxide and a method for producing the same |
KR1020100002983A KR20100088528A (ko) | 2009-01-30 | 2010-01-13 | 수산화니켈 피복 니켈입자 및 그 제조방법 |
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KR101264089B1 (ko) * | 2011-04-07 | 2013-05-14 | 주식회사 유니테크 | 수산화니켈 슬러리 도금 조성물 |
JP2014029013A (ja) * | 2012-04-04 | 2014-02-13 | Nippon Steel & Sumikin Chemical Co Ltd | 複合ニッケル粒子 |
JP2014162967A (ja) * | 2013-02-26 | 2014-09-08 | Nippon Steel & Sumikin Chemical Co Ltd | ニッケル微粒子、その使用方法及びニッケル微粒子の製造方法 |
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KR102381294B1 (ko) * | 2020-10-06 | 2022-04-01 | 한국생산기술연구원 | 니켈 나노분말의 제조방법 및 이를 이용하여 제조한 니켈 나노분말 |
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JP2001152202A (ja) * | 1999-11-22 | 2001-06-05 | Sumitomo Metal Mining Co Ltd | 耐酸化性が優れたニッケル粉とその製造方法 |
JP2003129103A (ja) * | 2001-10-23 | 2003-05-08 | Sumitomo Metal Mining Co Ltd | ニッケル粉末の製造方法 |
JP2004323910A (ja) * | 2003-04-24 | 2004-11-18 | Mitsui Mining & Smelting Co Ltd | ニッケル粉の製造方法 |
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TW200806408A (en) * | 2006-06-27 | 2008-02-01 | Ishihara Sangyo Kaisha | Nickel fine particles, method for preparing the same and fluid composition comprising the same |
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JP2001152202A (ja) * | 1999-11-22 | 2001-06-05 | Sumitomo Metal Mining Co Ltd | 耐酸化性が優れたニッケル粉とその製造方法 |
JP2003129103A (ja) * | 2001-10-23 | 2003-05-08 | Sumitomo Metal Mining Co Ltd | ニッケル粉末の製造方法 |
JP2004323910A (ja) * | 2003-04-24 | 2004-11-18 | Mitsui Mining & Smelting Co Ltd | ニッケル粉の製造方法 |
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KR101264089B1 (ko) * | 2011-04-07 | 2013-05-14 | 주식회사 유니테크 | 수산화니켈 슬러리 도금 조성물 |
JP2014029013A (ja) * | 2012-04-04 | 2014-02-13 | Nippon Steel & Sumikin Chemical Co Ltd | 複合ニッケル粒子 |
JP2014162967A (ja) * | 2013-02-26 | 2014-09-08 | Nippon Steel & Sumikin Chemical Co Ltd | ニッケル微粒子、その使用方法及びニッケル微粒子の製造方法 |
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