MY142439A - Cerium oxide powder and cerium oxide dispersion - Google Patents

Cerium oxide powder and cerium oxide dispersion

Info

Publication number
MY142439A
MY142439A MYPI20063879A MYPI20063879A MY142439A MY 142439 A MY142439 A MY 142439A MY PI20063879 A MYPI20063879 A MY PI20063879A MY PI20063879 A MYPI20063879 A MY PI20063879A MY 142439 A MY142439 A MY 142439A
Authority
MY
Malaysia
Prior art keywords
cerium oxide
powder
layer close
primary particles
area
Prior art date
Application number
MYPI20063879A
Inventor
Stipan Katusic
Stefan Heberer
Edwin Staab
Michael Dr Kroell
Michael Kraemer
Guenther Dr Michael
Original Assignee
Evonik Degussa Gmbh
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 Evonik Degussa Gmbh filed Critical Evonik Degussa Gmbh
Publication of MY142439A publication Critical patent/MY142439A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1454—Abrasive powders, suspensions and pastes for polishing
    • C09K3/1463—Aqueous liquid suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/247—Carbonates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
    • C01P2004/86—Thin layer coatings, i.e. the coating thickness being less than 0.1 time the particle radius
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

2 0 CERIUM OXIDE POWDER AND CERIUM OXIDE DISPERSION ABSTRACT CERIUM OXIDE POWDER WHICH HAS CARBONATE GROUPS AND 5 COMPRISES CRYSTALLINE PRIMARY PARTICLES WHICH CONTAIN CERIUM OXIDE AND CARBONATE GROUPS ON THEIR SURFACE AND IN A LAYER CLOSE TO THE SURFACE, WHEREIN THE POWDER HAS A BET SURFACE AREA OF FROM 25 TO 150 M2 /G , 10 THE PRIMARY PARTICLES HAVE A MEAN DIAMETER OF FROM 5 TO 50 NM, THE LAYER CLOSE TO THE SURFACE OF THE PRIMARY PARTICLES HAS A DEPTH OF ABOUT 5 NM, THE CARBONATE CONCENTRATION IN THE LAYER CLOSE TO THE 15 SURFACE DECREASES INWARDS FROM THE SURFACE ON WHICH THE CARBONATE CONCENTRATION IS HIGHEST, - THE CARBON CONTENT DUE TO THE CARBONATE GROUPS ON THE SURFACE IS FROM 5 TO 50BY AREA AND THAT AT A DEPTH OF ABOUT 5 NM IN THE LAYER CLOSE TO THE SURFACE IS 20 FROM 0 TO 30BY AREA, - THE CONTENT OF CERIUM OXIDE, CALCULATED AS CEO2 AND BASED ON THE POWDER, IS AT LEAST 99.5BY WEIGHT AND THE CONTENT OF CARBON, ENCOMPASSING ORGANIC AND INORGANIC CARBON, IS FROM 0.01 TO 0.3BV WEIGHT, 25 BASED ON THE POWDER. DISPERSION CONTAINING THIS POWDER. I OO
MYPI20063879A 2005-08-12 2006-08-10 Cerium oxide powder and cerium oxide dispersion MY142439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005038136A DE102005038136A1 (en) 2005-08-12 2005-08-12 Ceric oxide powder for catalyst, UV absorber, toner component, fuel cell constituent or chemical-mechanical polishing has crystalline primary particles with carbonate groups on and near surface produced by flame spray pyrolysis

Publications (1)

Publication Number Publication Date
MY142439A true MY142439A (en) 2010-11-30

Family

ID=37487604

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20063879A MY142439A (en) 2005-08-12 2006-08-10 Cerium oxide powder and cerium oxide dispersion

Country Status (7)

Country Link
EP (1) EP1757560A3 (en)
JP (1) JP4653705B2 (en)
CN (1) CN101121542B (en)
DE (1) DE102005038136A1 (en)
MY (1) MY142439A (en)
SG (1) SG130113A1 (en)
TW (1) TWI331598B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005040157A1 (en) 2005-08-25 2007-03-01 Degussa Ag Nanoscale powder and dispersant paste
US10435639B2 (en) 2006-09-05 2019-10-08 Cerion, Llc Fuel additive containing lattice engineered cerium dioxide nanoparticles
US8883865B2 (en) 2006-09-05 2014-11-11 Cerion Technology, Inc. Cerium-containing nanoparticles
EP2064153B1 (en) 2006-09-05 2016-06-29 Cerion LLC Method of preparing cerium dioxide nanoparticles
DE102007008232A1 (en) 2007-02-20 2008-08-21 Evonik Degussa Gmbh Dispersion containing ceria and colloidal silica
DE102007008279A1 (en) 2007-02-20 2008-08-21 Evonik Degussa Gmbh Ceria and phyllosilicate-containing dispersion
DE102007035992A1 (en) 2007-05-25 2008-11-27 Evonik Degussa Gmbh Ceria, silica or phyllosilicate and amino acid-containing dispersion
DE102007062572A1 (en) 2007-12-22 2009-06-25 Evonik Degussa Gmbh Cerium oxide and colloidal silica containing dispersion
DE102007062571A1 (en) 2007-12-22 2009-06-25 Evonik Degussa Gmbh Ceria and phyllosilicate-containing dispersion
DE102008008184A1 (en) * 2008-02-08 2009-08-13 Evonik Degussa Gmbh A method of polishing a silicon surface by means of a cerium oxide-containing dispersion
DE102008008183A1 (en) * 2008-02-08 2009-08-13 Evonik Degussa Gmbh Cerium oxide particle-containing dispersion and its use for polishing glasses
CN101555387B (en) * 2008-04-07 2012-08-22 北京有色金属研究总院 Rare-earth polishing material with a core shell structure and preparation method thereof
DE102008002321A1 (en) 2008-06-10 2009-12-17 Evonik Degussa Gmbh Cerium oxide and particulate additive containing dispersion
KR20120024824A (en) * 2009-06-25 2012-03-14 에보니크 데구사 게엠베하 Dispersion comprising cerium oxide and silicon dioxide
DE102009027211A1 (en) 2009-06-25 2010-12-30 Basf Se Aqueous cerium oxide and silicon dioxide-containing dispersion, obtained by mixing cerium oxide-starting dispersion and silica-starting dispersion under stirring and dispersing at specified shear rate, useful to polish dielectric surface
DE102009046849A1 (en) 2009-11-18 2011-05-19 Evonik Degussa Gmbh Aqueous dispersion used in polishing silicon dioxide layers comprising cerium oxide and silicon dioxide is obtainable by mixing cerium oxide and silicon dioxide while stirring, and then dispersing at a specific shear rate
KR101075966B1 (en) * 2010-03-09 2011-10-21 주식회사 엘지화학 Crystalline cerium oxide and preparation method of the same
DE102011075918A1 (en) 2011-05-16 2012-11-22 Evonik Degussa Gmbh Organic solvent-based metal oxide dispersion
WO2015058037A1 (en) 2013-10-17 2015-04-23 Cerion, Llc Malic acid stabilized nanoceria particles
WO2019045151A1 (en) * 2017-08-31 2019-03-07 주식회사 나노신소재 Surface-treated cerium oxide powder and polishing composition
CN110165269B (en) * 2019-05-28 2022-06-24 盐城市新能源化学储能与动力电源研究中心 Solid oxide fuel cell composite electrolyte and preparation method thereof
CN111883788A (en) * 2020-06-24 2020-11-03 华南理工大学 Preparation method of cerium oxide-based medium-low temperature solid oxide fuel cell key material

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2584388B1 (en) * 1985-07-03 1991-02-15 Rhone Poulenc Spec Chim COMPOSITION BASED ON CERIC OXIDE, ITS PREPARATION AND USES THEREOF
JP2001089748A (en) * 1999-07-16 2001-04-03 Seimi Chem Co Ltd Abrasive
AU1621001A (en) * 1999-11-17 2001-05-30 Cabot Corporation Ceria composition and process for preparing same
US6887566B1 (en) * 1999-11-17 2005-05-03 Cabot Corporation Ceria composition and process for preparing same
TW528796B (en) * 2000-12-13 2003-04-21 Mitsui Mining & Amp Smelting C Cerium-based abrasive and method of evaluating the same
EP1378489A1 (en) * 2002-07-03 2004-01-07 Eidgenössische Technische Hochschule Zürich Metal oxides prepared by flame spray pyrolysis
JP3861144B2 (en) * 2002-09-20 2006-12-20 独立行政法人物質・材料研究機構 Method for producing easily sinterable nanospherical ceria compound powder
DE10337199A1 (en) * 2003-08-13 2005-03-10 Degussa cerium oxide powder
JP3925932B2 (en) * 2004-01-08 2007-06-06 株式会社 東北テクノアーチ Method for producing organically modified metal oxide nanoparticles
DE102005029542A1 (en) * 2005-02-05 2006-08-10 Degussa Ag Process for the preparation of metal oxide powders

Also Published As

Publication number Publication date
TWI331598B (en) 2010-10-11
SG130113A1 (en) 2007-03-20
CN101121542A (en) 2008-02-13
EP1757560A2 (en) 2007-02-28
JP4653705B2 (en) 2011-03-16
EP1757560A3 (en) 2011-09-07
DE102005038136A1 (en) 2007-02-15
TW200718646A (en) 2007-05-16
CN101121542B (en) 2012-11-07
JP2007051057A (en) 2007-03-01

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