JPH0818833B2 - 新規な形態学的特徴をもつ酸化第二セリウム - Google Patents

新規な形態学的特徴をもつ酸化第二セリウム

Info

Publication number
JPH0818833B2
JPH0818833B2 JP63159552A JP15955288A JPH0818833B2 JP H0818833 B2 JPH0818833 B2 JP H0818833B2 JP 63159552 A JP63159552 A JP 63159552A JP 15955288 A JP15955288 A JP 15955288A JP H0818833 B2 JPH0818833 B2 JP H0818833B2
Authority
JP
Japan
Prior art keywords
cerium
temperature
specific surface
surface area
cerium oxide
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
JP63159552A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6465018A (en
Inventor
ジャンリュク・ルロアレ
Original Assignee
ローヌ―プーラン・シミ
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 ローヌ―プーラン・シミ filed Critical ローヌ―プーラン・シミ
Publication of JPS6465018A publication Critical patent/JPS6465018A/ja
Publication of JPH0818833B2 publication Critical patent/JPH0818833B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/10Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/20Compounds containing only rare earth metals as the metal element
    • C01F17/206Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224Oxides or hydroxides of lanthanides
    • C01F17/235Cerium oxides or hydroxides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/20Compounds containing only rare earth metals as the metal element
    • C01F17/253Halides
    • C01F17/271Chlorides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/20Compounds containing only rare earth metals as the metal element
    • C01F17/276Nitrates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/20Compounds containing only rare earth metals as the metal element
    • C01F17/282Sulfates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/30Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/60Compounds characterised by their crystallite size
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • C01P2006/13Surface area thermal stability thereof at high temperatures
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/14Pore volume
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/16Pore diameter

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Compositions Of Oxide Ceramics (AREA)
JP63159552A 1987-06-29 1988-06-29 新規な形態学的特徴をもつ酸化第二セリウム Expired - Fee Related JPH0818833B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8709122A FR2617154B1 (fr) 1987-06-29 1987-06-29 Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques
FR87/09122 1987-06-29

Publications (2)

Publication Number Publication Date
JPS6465018A JPS6465018A (en) 1989-03-10
JPH0818833B2 true JPH0818833B2 (ja) 1996-02-28

Family

ID=9352611

Family Applications (2)

Application Number Title Priority Date Filing Date
JP63159552A Expired - Fee Related JPH0818833B2 (ja) 1987-06-29 1988-06-29 新規な形態学的特徴をもつ酸化第二セリウム
JP63159551A Expired - Fee Related JPH0761863B2 (ja) 1987-06-29 1988-06-29 酸化第二セリウムの製造方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP63159551A Expired - Fee Related JPH0761863B2 (ja) 1987-06-29 1988-06-29 酸化第二セリウムの製造方法

Country Status (12)

Country Link
US (2) US5011671A (en, 2012)
EP (2) EP0300852B1 (en, 2012)
JP (2) JPH0818833B2 (en, 2012)
KR (2) KR910010131B1 (en, 2012)
AT (2) ATE72808T1 (en, 2012)
AU (2) AU610902B2 (en, 2012)
BR (2) BR8803179A (en, 2012)
CA (2) CA1339478C (en, 2012)
DE (2) DE3868553D1 (en, 2012)
ES (2) ES2024665B3 (en, 2012)
FR (1) FR2617154B1 (en, 2012)
GR (2) GR3003131T3 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014196100A1 (ja) 2013-06-04 2014-12-11 新日本電工株式会社 セリア-ジルコニア系複合酸化物及びその製造方法

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617153B1 (fr) * 1987-06-26 1991-04-05 Rhone Poulenc Chimie Procede d'obtention d'un oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques
FR2632945B1 (fr) * 1988-06-15 1991-02-08 Rhone Poulenc Chimie Procede d'obtention d'un oxyde cerique de grande surface specifique
FR2617154B1 (fr) * 1987-06-29 1990-11-30 Rhone Poulenc Chimie Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques
ATE67469T1 (de) * 1987-06-29 1991-10-15 Rhone Poulenc Chimie Verfahren zur gewinnung eines ceriumoxids.
FR2623793B1 (fr) * 1987-11-30 1991-06-07 Rhone Poulenc Chimie Procede de preparation de granules a base d'oxyde de titane, de zirconium, ou de cerium et produits ainsi obtenus
FR2640953B1 (en, 2012) * 1988-12-23 1991-02-08 Rhone Poulenc Chimie
US5279789A (en) * 1988-12-23 1994-01-18 Rhone-Poulenc Chimie Ceric oxide particulates having improved morphology
FR2640954B1 (en, 2012) * 1988-12-23 1991-03-29 Rhone Poulenc Chimie
WO1992003375A1 (de) * 1990-08-18 1992-03-05 Chemson Polymer-Additive Gesellschaft M.B.H. Verfahren zur herstellung von metallhydroxiden mit geringer spezifischer oberfläche
US5449387A (en) * 1992-06-17 1995-09-12 Rhone-Poulenc Chemicals Limited Cerium (IV) catalyst compounds and promoting combustion of hydrocarbon fuels therewith
US5417956A (en) * 1992-08-18 1995-05-23 Worcester Polytechnic Institute Preparation of nanophase solid state materials
US5466646A (en) * 1992-08-18 1995-11-14 Worcester Polytechnic Institute Process for the preparation of solid state materials and said materials
US5389352A (en) * 1993-07-21 1995-02-14 Rodel, Inc. Oxide particles and method for producing them
FR2716388B1 (fr) * 1994-02-18 1996-08-02 Rhone Poulenc Chimie Sol organique de composé cérique et son procédé de synthèse.
ATE192352T1 (de) * 1994-02-18 2000-05-15 Rhodia Chimie Sa Organische sole von vierwertigen metalloxid und deren verwendung in kohlenwasserstoffzusammensetzungen
FR2726199A1 (fr) * 1994-10-28 1996-05-03 Rhone Poulenc Chimie Sol organique d'oxyde tetravalent et son utilisation comme additif de composes hydrocarbones
TW311905B (en, 2012) * 1994-07-11 1997-08-01 Nissan Chemical Ind Ltd
US6210451B1 (en) 1995-02-21 2001-04-03 Rhone-Poulenc Chimie Colloidal organic sols comprising tetravalent metal oxide/organic acid complexes
FR2736042B1 (fr) * 1995-06-30 1997-09-12 Rhone Poulenc Chimie Dispersion colloidale et composition redispersible sous forme d'une dispersion colloidale a base d'oxyde de cerium
FR2741869B1 (fr) * 1995-12-04 1998-02-06 Rhone Poulenc Chimie Oxyde de cerium a pores de structure lamellaire, procede de preparation et utilisation en catalyse
EP0820092A4 (en) * 1996-02-07 2000-03-29 Hitachi Chemical Co Ltd CERIUM OXIDE ABRASIVE, SEMICONDUCTOR MICROPLATE, SEMICONDUCTOR DEVICE, PROCESS FOR PRODUCING THE SAME, AND METHOD FOR POLISHING THE SUBSTRATES
US6221118B1 (en) * 1996-09-30 2001-04-24 Hitachi Chemical Company, Ltd. Cerium oxide abrasive and method of polishing substrates
SG72802A1 (en) * 1997-04-28 2000-05-23 Seimi Chem Kk Polishing agent for semiconductor and method for its production
JPH11181403A (ja) 1997-12-18 1999-07-06 Hitachi Chem Co Ltd 酸化セリウム研磨剤及び基板の研磨法
US6933417B1 (en) 1999-11-22 2005-08-23 Dow Global Technologies Inc. Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent
US6680415B1 (en) 1999-11-22 2004-01-20 Dow Global Technologies Inc. Oxyhalogenation process using catalyst having porous rare earth halide support
US6909024B1 (en) * 1999-11-22 2005-06-21 The Dow Chemical Company Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process
US6797845B1 (en) 1999-11-22 2004-09-28 Dow Global Technologies Inc. Process for vinyl chloride manufacture from ethane and ethylene with immediate HCl recovery from reactor effluent
JP5168527B2 (ja) * 2001-01-18 2013-03-21 株式会社豊田中央研究所 酸化物粉末とその製造方法
JP4275952B2 (ja) * 2001-05-23 2009-06-10 ダウ グローバル テクノロジーズ インコーポレイティド C3+炭化水素の酸化的ハロゲン化および任意的な脱水素
EP1435338B1 (en) * 2001-09-07 2011-02-16 Anan Kasei Co., Ltd Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification
AU2002359356A1 (en) * 2001-11-16 2003-06-10 Ferro Corporation Particles for use in cmp slurries and method for producing them
US6596042B1 (en) 2001-11-16 2003-07-22 Ferro Corporation Method of forming particles for use in chemical-mechanical polishing slurries and the particles formed by the process
US7666239B2 (en) * 2001-11-16 2010-02-23 Ferro Corporation Hydrothermal synthesis of cerium-titanium oxide for use in CMP
US20060032836A1 (en) * 2001-11-16 2006-02-16 Ferro Corporation Methods of controlling the properties of abrasive particles for use in chemical-mechanical polishing slurries
KR100477939B1 (ko) * 2002-04-15 2005-03-18 주식회사 엘지화학 단결정 산화세륨 분말의 제조방법
US20040152929A1 (en) * 2002-05-08 2004-08-05 Clarke William D Process for vinyl chloride manufacture from ethane and ethylene with air feed and alternative hcl processing methods
US20050108947A1 (en) * 2003-11-26 2005-05-26 Mueller Brian L. Compositions and methods for chemical mechanical polishing silica and silicon nitride
US20060021972A1 (en) * 2004-07-28 2006-02-02 Lane Sarah J Compositions and methods for chemical mechanical polishing silicon dioxide and silicon nitride
JP4561975B2 (ja) * 2004-09-14 2010-10-13 第一稀元素化学工業株式会社 セリアゾル及びその製造方法
KR100725699B1 (ko) 2005-09-02 2007-06-07 주식회사 엘지화학 일액형 cmp 슬러리용 산화 세륨 분말, 그 제조방법,이를 포함하는 일액형 cmp 슬러리 조성물, 및 상기슬러리를 사용하는 얕은 트랜치 소자 분리방법
JP5279183B2 (ja) * 2006-10-12 2013-09-04 第一稀元素化学工業株式会社 セリウム系酸化物の製造方法
US8105318B2 (en) * 2006-11-14 2012-01-31 Ams Research Corporation Introducer and valve cap for anastomosis device
WO2008154319A1 (en) * 2007-06-08 2008-12-18 Dow Corning Corporation Fluorosilicone elastomers for high temperature performance
FR2962431B1 (fr) 2010-07-07 2018-01-19 Rhodia Operations Composition a base d'oxydes de cerium, de niobium et, eventuellement, de zirconium et son utilisation en catlyse.
FR2965189A1 (fr) 2010-09-29 2012-03-30 Rhodia Operations Procede de traitement d'un gaz contenant des oxydes d'azote (nox) utilisant comme catalyseur une composition a base d'oxyde de cerium et d'oxyde de niobium
EP2628723B1 (en) * 2012-02-15 2014-09-10 DSM IP Assets B.V. Novel process for the manufacture of methyl limonitrile
WO2013120808A1 (en) * 2012-02-15 2013-08-22 Dsm Ip Assets B.V. Novel process for the manufacture of methyl limonitrile
WO2015054828A1 (en) 2013-10-15 2015-04-23 Rhodia Operations Process for forming primary, secondary or tertiary amine via direct amination reaction
US20160346762A1 (en) * 2014-02-07 2016-12-01 Xi'an Jiaotong University Cerium dioxide nanoparticles and methods for their preparation and use
TWI607969B (zh) * 2014-09-12 2017-12-11 台灣積體電路製造股份有限公司 二氧化鈰粉體的製造方法及二氧化鈰粉體
EP3218350B1 (en) 2014-11-10 2022-01-05 Rhodia Operations Process for forming amine by direct amination reaction
US11306052B2 (en) 2014-12-22 2022-04-19 Performance Polyamides, Sas Cycloalkane oxidation catalysts and method to produce alcohols and ketones
CN107848937B (zh) 2015-05-18 2024-03-29 罗地亚经营管理公司 用于使用含氧气体氧化醇的方法
CN111655660A (zh) 2018-01-30 2020-09-11 巴斯夫欧洲公司 氧化环烷烃的方法
KR102162974B1 (ko) * 2018-10-17 2020-10-07 창원대학교 산학협력단 용매열 합성법을 이용한 금속이온 도핑 세리아의 제조방법
CN112939052B (zh) * 2021-03-22 2022-12-09 北方稀土生一伦高科技有限公司 一种小粒度氧化铈的制备方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231997A (en) * 1979-04-05 1980-11-04 Engelhard Minerals & Chemicals Corporation Preparation of rare earth nitrates
US4545923A (en) * 1982-06-11 1985-10-08 Rhone-Poulenc Inc. Process for preparing colloidal ceric oxide and complexes thereof with free organic acids
US4647401A (en) * 1983-01-24 1987-03-03 Rhone Poulenc Inc. Process for preparing colloidal ceric oxide and complexes thereof with free organic acids
FR2545830B1 (fr) * 1983-05-13 1986-01-03 Rhone Poulenc Spec Chim Nouvelle composition de polissage a base de cerium et son procede de fabrication
SU1159886A1 (ru) * 1983-06-10 1985-06-07 МГУ им.М.В.Ломоносова Способ разделени редкоземельных элементов
FR2549846B1 (fr) * 1983-07-29 1986-12-26 Rhone Poulenc Spec Chim Nouvelle composition de polissage a base de cerium et son procede de fabrication
JPS6096527A (ja) * 1983-11-01 1985-05-30 Asahi Chem Ind Co Ltd 軽希土中のセリウムを分離する法
FR2559755A1 (fr) * 1984-02-20 1985-08-23 Rhone Poulenc Spec Chim Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention
FR2559754A1 (fr) * 1984-02-20 1985-08-23 Rhone Poulenc Spec Chim Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention
FR2583736B1 (fr) * 1985-06-20 1987-08-14 Rhone Poulenc Spec Chim Nouveau compose de cerium iv et son procede de preparation.
FR2584388B1 (fr) * 1985-07-03 1991-02-15 Rhone Poulenc Spec Chim Composition a base d'oxyde cerique, sa preparation et ses utilisations
FR2587036A1 (fr) * 1985-09-10 1987-03-13 Rhone Poulenc Spec Chim Procede de traitement de minerais de terres rares
FR2593195B1 (fr) * 1986-01-22 1988-08-12 Centre Nat Rech Scient Nouvelles compositions particulaires d'oxyde de terre rare, leur preparation et leur application
FR2596381B1 (fr) * 1986-03-26 1988-05-27 Rhone Poulenc Chimie Oxydes ceriques a nouvelles caracteristiques morphologiques et leur procede d'obtention
FR2596382B1 (fr) * 1986-03-26 1988-05-27 Rhone Poulenc Chimie Dispersions aqueuses colloidales d'un compose de cerium iv et leur procede d'obtention
FR2608583B1 (fr) * 1986-12-19 1990-12-07 Rhone Poulenc Chimie Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention
FR2617154B1 (fr) * 1987-06-29 1990-11-30 Rhone Poulenc Chimie Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques
ATE67469T1 (de) * 1987-06-29 1991-10-15 Rhone Poulenc Chimie Verfahren zur gewinnung eines ceriumoxids.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Surfacetechnology1,21,1984(1月),第73〜82頁ОПИСАНИЕИЗОБРЁТЕНИЯ833525

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014196100A1 (ja) 2013-06-04 2014-12-11 新日本電工株式会社 セリア-ジルコニア系複合酸化物及びその製造方法

Also Published As

Publication number Publication date
JPS6465017A (en) 1989-03-10
DE3864931D1 (de) 1991-10-24
KR890000346A (ko) 1989-03-14
AU1851688A (en) 1989-01-05
BR8803179A (pt) 1989-01-24
KR910010130B1 (ko) 1991-12-17
EP0300852A1 (fr) 1989-01-25
GR3004214T3 (en, 2012) 1993-03-31
AU1851988A (en) 1989-01-05
KR910010131B1 (ko) 1991-12-17
ATE72808T1 (de) 1992-03-15
AU610902B2 (en) 1991-05-30
EP0300851A1 (fr) 1989-01-25
EP0300851B1 (fr) 1992-02-26
ES2024665B3 (es) 1992-03-01
DE3868553D1 (de) 1992-04-02
AU608861B2 (en) 1991-04-18
EP0300852B1 (fr) 1991-09-18
JPS6465018A (en) 1989-03-10
US5023070A (en) 1991-06-11
KR890000347A (ko) 1989-03-14
ES2029524T3 (es) 1992-08-16
GR3003131T3 (en) 1993-02-17
BR8803178A (pt) 1989-01-24
FR2617154A1 (fr) 1988-12-30
ATE67468T1 (de) 1991-10-15
US5011671A (en) 1991-04-30
JPH0761863B2 (ja) 1995-07-05
CA1340315C (fr) 1999-01-12
FR2617154B1 (fr) 1990-11-30
CA1339478C (fr) 1997-09-30

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