KR100460102B1 - 금속산화물 초미립자의 제조방법 - Google Patents
금속산화물 초미립자의 제조방법 Download PDFInfo
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- KR100460102B1 KR100460102B1 KR10-2002-0041376A KR20020041376A KR100460102B1 KR 100460102 B1 KR100460102 B1 KR 100460102B1 KR 20020041376 A KR20020041376 A KR 20020041376A KR 100460102 B1 KR100460102 B1 KR 100460102B1
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- C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
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- C01B13/34—Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of sprayed or atomised solutions
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- C—CHEMISTRY; METALLURGY
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
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- C01B13/14—Methods for preparing oxides or hydroxides in general
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- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
- C01F17/235—Cerium oxides or hydroxides
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- C01G1/00—Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general
- C01G1/02—Oxides
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- C01G51/00—Compounds of cobalt
- C01G51/40—Complex oxides containing cobalt and at least one other metal element
- C01G51/42—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/02—Oxides; Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
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- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/41—Particle morphology extending in three dimensions octahedron-like
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
- Y10S977/775—Nanosized powder or flake, e.g. nanosized catalyst
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/811—Of specified metal oxide composition, e.g. conducting or semiconducting compositions such as ITO, ZnOx
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- Inorganic Compounds Of Heavy Metals (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compounds Of Iron (AREA)
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Abstract
Description
온도(℃) | 압력(bar) | 농도(중량%) | 반응기(㎤) | 결정크기(nm) | 질산(ppm) | 아질산(ppm) | 분해율(%) | |
실시예 4 | 425 | 300 | 1.5 | 4.4 | 46.88 | 338.9 | 8.9 | 94.6 |
실시예 5 | 385 | 300 | 1.5 | 4.4 | 64.55 | 1410.0 | 3.6 | 78.0 |
실시예 6 | 385 | 230 | 1.5 | 4.4 | 58.77 | 658.7 | 0.0 | 89.7 |
실시예 7 | 425 | 230 | 1.5 | 4.4 | 44.05 | 1010.0 | 9.5 | 84.1 |
실시예 8 | 425 | 300 | 0.5 | 4.4 | 43.20 | 274.6 | 4.1 | 87.0 |
실시예 9 | 385 | 300 | 0.5 | 4.4 | 59.33 | 712.0 | 1.4 | 66.7 |
실시예 10 | 385 | 230 | 0.5 | 4.4 | 39.57 | 570.4 | 2.4 | 73.3 |
실시예 11 | 425 | 230 | 0.5 | 4.4 | 35.95 | 340.2 | 5.7 | 83.9 |
실시예 12 | 385 | 300 | 0.5 | 62.74 | 53.96 | 451.9 | 0.0 | 78.9 |
실시예 13 | 425 | 300 | 0.5 | 62.74 | 50.20 | 31.8 | 47.4 | 96.3 |
실시예 14 | 385 | 230 | 0.5 | 62.74 | 33.13 | 302.3 | 2.3 | 85.8 |
실시예 15 | 425 | 230 | 0.5 | 62.74 | 57.83 | 126.7 | 69.6 | 90.8 |
실시예 16 | 385 | 300 | 1.5 | 62.74 | 63.29 | 1658.7 | 6.6 | 74.1 |
실시예 17 | 385 | 230 | 1.5 | 62.74 | 59.62 | 1134.2 | 3.7 | 82.3 |
실시예 18 | 425 | 230 | 1.5 | 62.74 | 34.30 | 319.8 | 18.8 | 94.7 |
실시예 19 | 425 | 300 | 1.5 | 62.74 | 53.64 | 784.4 | 19.5 | 87.5 |
Claims (15)
- a) i) 물, ii) 적어도 하나의 수용성 금속질산염 및 iii) 암모니아 또는 암모늄 염을 포함하는 반응 혼합물을 250 내지 700℃의 반응온도 및 180 내지 550bar의 반응압력하에서 0.01초 내지 10분간 반응기에서 반응시켜 금속 산화물 미립자를 합성하는 단계, 여기서 상기 금속질산염은 반응 혼합물에 0.01 내지 20중량%가 함유되며; 그리고b) 상기 최종 반응 산물로부터 금속산화물 미립자를 분리하여 회수하는 단계를 포함하는 것을 특징으로 하는 금속 산화물 초미립자의 제조방법.
- 제1항에 있어서, 상기 반응 온도는 250 내지 550℃ 범위인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 반응 압력은 180 내지 400bar 범위인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 수용성 금속 질산염의 금속은 세륨, 아연, 코발트, 니켈, 구리, 철, 알루미늄, 티타늄, 바륨 및 망간으로 이루어진 군으로 부터 선택되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 암모니아 또는 암모늄 염은 암모니아 가스, 암모니아 수용액 또는 암모늄 염 수용액의 형태인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 암모니아 또는 암모늄 염은 금속산화물 합성을 통해 금속질산염으로 부터 부생되는 질산에 대하여 0.5 내지 3.0의 몰비로 반응 혼합물에 함유된 것을 특징으로 하는 방법.
- 삭제
- 삭제
- 제1항에 있어서, 상기 a) 단계는 연속 반응기에서 수행되는 것을 특징으로 하는 방법.
- 제9항에 있어서, 상기 연속 반응기는 튜브형 반응기인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 a) 단계는가압 및 가열된 물을 제공하는 단계;가압 또는 가압/가열된 금속질산염 수용액을 제공하는 단계;가압 또는 가압/가열된 암모니아 또는 암모늄 염을 함유하는 유체를 제공하는 단계; 및상기 가열 및 가압된 물과 금속질산염 수용액 및 암모니아 또는 암모늄 염을 함유하는 유체를 단일 단계 또는 다 단계로 혼합하고 수득된 혼합물을 반응시키는 단계를 포함하며,여기서, 상기 수득된 혼합물은 250 내지 700℃의 온도 및 180 내지 550bar의 압력을 갖는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 a) 단계는가압 및 가열된 금속질산염 수용액을 제공하는 단계;가압 또는 가압/가열된 암모니아 수용액 또는 암모늄 염 수용액을 제공하는 단계; 및상기 금속질산염 수용액과 암모니아 수용액 또는 암모늄 염 수용액을 혼합하고 수득된 혼합물을 반응시키는 단계를 포함하며,상기 수득된 혼합물은 250 내지 700℃의 온도 및 180 내지 550bar의 압력을 갖는 것을 특징으로 하는 방법.
- 제11항에 있어서, 상기 암모니아 또는 암모늄 염을 함유하는 유체는 암모니아 가스, 암모니아 수용액 또는 암모늄 염 수용액의 형태인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 금속 산화물 초미립자는 1 내지 1000㎚의 입자 크기를 갖는 것을 특징으로 하는 방법.
- 제1항 내지 제14항 중 어느 한 항에 있어서, 상기 방법은 알칼리 또는 산성 용액, 및/또는 환원제 또는 산화제를 상기 금속 산화물 미립자 합성 전 또는 합성 동안에 반응 혼합물에 첨가하는 단계를 더욱 포함하는 것을 특징으로 하는 방법.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0041376A KR100460102B1 (ko) | 2002-07-15 | 2002-07-15 | 금속산화물 초미립자의 제조방법 |
MXPA05000630A MXPA05000630A (es) | 2002-07-15 | 2003-07-08 | Procedimiento para preparar particulas finas de oxido de metal. |
PCT/KR2003/001354 WO2004007350A1 (en) | 2002-07-15 | 2003-07-08 | Process for preparing fine metal oxide particles |
CA002492557A CA2492557C (en) | 2002-07-15 | 2003-07-08 | Process for preparing fine metal oxide particles |
US10/521,642 US7235224B2 (en) | 2002-07-15 | 2003-07-08 | Process for preparing fine metal oxide particles |
JP2004521252A JP4379725B2 (ja) | 2002-07-15 | 2003-07-08 | 微細な金属酸化物粒子の製造方法 |
CNB038206390A CN100484865C (zh) | 2002-07-15 | 2003-07-08 | 金属氧化物微粒的制备方法 |
EP03764228A EP1539639B1 (en) | 2002-07-15 | 2003-07-08 | Process for preparing fine metal oxide particles |
AU2003247169A AU2003247169A1 (en) | 2002-07-15 | 2003-07-08 | Process for preparing fine metal oxide particles |
TW092118764A TWI280947B (en) | 2002-07-15 | 2003-07-09 | Process for preparing fine metal oxide particles |
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Application Number | Priority Date | Filing Date | Title |
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KR10-2002-0041376A KR100460102B1 (ko) | 2002-07-15 | 2002-07-15 | 금속산화물 초미립자의 제조방법 |
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Publication Number | Publication Date |
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KR20040006824A KR20040006824A (ko) | 2004-01-24 |
KR100460102B1 true KR100460102B1 (ko) | 2004-12-03 |
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KR10-2002-0041376A Expired - Fee Related KR100460102B1 (ko) | 2002-07-15 | 2002-07-15 | 금속산화물 초미립자의 제조방법 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7235224B2 (ko) |
EP (1) | EP1539639B1 (ko) |
JP (1) | JP4379725B2 (ko) |
KR (1) | KR100460102B1 (ko) |
CN (1) | CN100484865C (ko) |
AU (1) | AU2003247169A1 (ko) |
CA (1) | CA2492557C (ko) |
MX (1) | MXPA05000630A (ko) |
TW (1) | TWI280947B (ko) |
WO (1) | WO2004007350A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20210056586A (ko) | 2019-11-11 | 2021-05-20 | 주식회사 켐톤 | 세륨 산화물 입자의 제조방법, 연마입자 및 이를 포함하는 연마용 슬러리 조성물 |
Families Citing this family (28)
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KR20040100136A (ko) * | 2003-05-21 | 2004-12-02 | 한화석유화학 주식회사 | 금속 산화물의 도핑 방법 |
FR2871794B1 (fr) * | 2004-06-18 | 2007-07-20 | Centre Nat Rech Scient Cnrse | Procede de traitement d'effluents aqueux comprenant des sels metalliques de type nitrates ou nitrites |
US7553474B2 (en) * | 2004-08-17 | 2009-06-30 | Nissan Chemical Industries, Ltd. | Method for producing metal oxide sol |
KR100713298B1 (ko) * | 2005-09-08 | 2007-05-04 | 한화석유화학 주식회사 | 내열성이 우수한 금속산화물 및 이의 제조방법 |
KR100691908B1 (ko) * | 2005-09-08 | 2007-03-09 | 한화석유화학 주식회사 | 금속산화물 표면에 금속산화물 초미립자를 코팅하는 방법및 이로부터 제조된 코팅체 |
KR100713297B1 (ko) * | 2005-09-08 | 2007-05-04 | 한화석유화학 주식회사 | 귀금속을 포함하는 금속산화물의 제조방법 |
AU2006322458A1 (en) * | 2005-12-11 | 2007-06-14 | Scf Technologies A/S | Production of nanosized materials |
US8048192B2 (en) * | 2005-12-30 | 2011-11-01 | General Electric Company | Method of manufacturing nanoparticles |
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EP1539639A4 (en) | 2009-09-23 |
TWI280947B (en) | 2007-05-11 |
JP2005532897A (ja) | 2005-11-04 |
WO2004007350A1 (en) | 2004-01-22 |
EP1539639A1 (en) | 2005-06-15 |
MXPA05000630A (es) | 2005-03-31 |
AU2003247169A1 (en) | 2004-02-02 |
US20060182677A1 (en) | 2006-08-17 |
CN100484865C (zh) | 2009-05-06 |
JP4379725B2 (ja) | 2009-12-09 |
CA2492557C (en) | 2009-09-08 |
CA2492557A1 (en) | 2004-01-22 |
US7235224B2 (en) | 2007-06-26 |
TW200401750A (en) | 2004-02-01 |
CN1678516A (zh) | 2005-10-05 |
EP1539639B1 (en) | 2011-09-14 |
KR20040006824A (ko) | 2004-01-24 |
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