[go: up one dir, main page]

CA2131326C - Production, a temperatures reduites, d'oxydes refractaires a structure cationique homogene, sous forme de particules de la taille du nanometre - Google Patents

Production, a temperatures reduites, d'oxydes refractaires a structure cationique homogene, sous forme de particules de la taille du nanometre Download PDF

Info

Publication number
CA2131326C
CA2131326C CA002131326A CA2131326A CA2131326C CA 2131326 C CA2131326 C CA 2131326C CA 002131326 A CA002131326 A CA 002131326A CA 2131326 A CA2131326 A CA 2131326A CA 2131326 C CA2131326 C CA 2131326C
Authority
CA
Canada
Prior art keywords
cationically
solid state
temperature
homogeneous
heating
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 - Lifetime
Application number
CA002131326A
Other languages
English (en)
Other versions
CA2131326A1 (fr
Inventor
Cortland O. Dugger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA002455428A priority Critical patent/CA2455428C/fr
Publication of CA2131326A1 publication Critical patent/CA2131326A1/fr
Application granted granted Critical
Publication of CA2131326C publication Critical patent/CA2131326C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/78Compounds containing aluminium, with or without oxygen or hydrogen, and containing two or more other elements
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00Oxides or oxyacids of halogens; Salts thereof
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14Methods for preparing oxides or hydroxides in general
    • C01B13/18Methods for preparing oxides or hydroxides in general by thermal decomposition of compounds, e.g. of salts or hydroxides
    • C01B13/185Preparing mixtures of oxides
    • 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
    • C01F17/32Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6 oxide or hydroxide being the only anion, e.g. NaCeO2 or MgxCayEuO
    • C01F17/34Aluminates, e.g. YAlO3 or Y3-xGdxAl5O12
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00Compounds of magnesium
    • C01F5/02Magnesia
    • C01F5/06Magnesia by thermal decomposition of magnesium compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/16Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G3/00Compounds of copper
    • C01G3/006Compounds containing copper, with or without oxygen or hydrogen, and containing two or more other elements
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G33/00Compounds of niobium
    • C01G33/006Compounds containing niobium, with or without oxygen or hydrogen, and containing two or more other elements
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G35/00Compounds of tantalum
    • C01G35/006Compounds containing tantalum, with or without oxygen or hydrogen, and containing two or more other elements
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00Compounds of chromium
    • C01G37/006Compounds containing chromium, with or without oxygen or hydrogen, and containing two or more other elements
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • C01G49/0018Mixed oxides or hydroxides
    • C01G49/0054Mixed oxides or hydroxides containing one rare earth metal, yttrium or scandium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/342Oxides
    • H01F1/344Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • H01F1/346[(TO4) 3] with T= Si, Al, Fe, Ga
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/50Solid solutions
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/70Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/77Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by unit-cell parameters, atom positions or structure diagrams
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/64Nanometer sized, i.e. from 1-100 nanometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/40Electric properties
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/42Magnetic properties
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
CA002131326A 1992-02-28 1993-03-01 Production, a temperatures reduites, d'oxydes refractaires a structure cationique homogene, sous forme de particules de la taille du nanometre Expired - Lifetime CA2131326C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002455428A CA2455428C (fr) 1992-02-28 1993-03-01 Production, a temperatures reduites, d'oxydes refractaires a structure cationique homogene, sous forme de particules de la taille du nanometre

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US84321892A 1992-02-28 1992-02-28
US07/843,218 1992-02-28
PCT/US1993/001846 WO1993017959A1 (fr) 1992-02-28 1993-03-01 Production a temperatures reduites d'oxydes refractaires transparents cationiquement homogenes de tailles particulaires comprises dans la plage nanometrique

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002455428A Division CA2455428C (fr) 1992-02-28 1993-03-01 Production, a temperatures reduites, d'oxydes refractaires a structure cationique homogene, sous forme de particules de la taille du nanometre

Publications (2)

Publication Number Publication Date
CA2131326A1 CA2131326A1 (fr) 1993-09-16
CA2131326C true CA2131326C (fr) 2005-02-15

Family

ID=25289361

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002131326A Expired - Lifetime CA2131326C (fr) 1992-02-28 1993-03-01 Production, a temperatures reduites, d'oxydes refractaires a structure cationique homogene, sous forme de particules de la taille du nanometre
CA002455428A Expired - Lifetime CA2455428C (fr) 1992-02-28 1993-03-01 Production, a temperatures reduites, d'oxydes refractaires a structure cationique homogene, sous forme de particules de la taille du nanometre

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002455428A Expired - Lifetime CA2455428C (fr) 1992-02-28 1993-03-01 Production, a temperatures reduites, d'oxydes refractaires a structure cationique homogene, sous forme de particules de la taille du nanometre

Country Status (2)

Country Link
CA (2) CA2131326C (fr)
WO (1) WO1993017959A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1277836B1 (it) * 1995-03-13 1997-11-12 Colorobbia Italiana Spa Alluminati di ittrio e/o terre rare a struttura perovskitica, loro preparazione e uso come pigmenti
DK172530B1 (da) 1995-11-10 1998-11-23 Leo Pharm Prod Ltd Tilsætningsprodukt til drikkevand og foder til dyr samt fremgangsmåde for tilsætning
KR100290437B1 (ko) * 1998-10-07 2001-09-22 박찬구 연속식 1,3-부타디엔 중합에 적합한 니오디뮴할로겐 착화합물의제조방법
US6316377B1 (en) 1999-09-10 2001-11-13 Battelle Memorial Institute Rare earth oxide fluoride nanoparticles and hydrothermal method for forming nanoparticles
CN105905930B (zh) * 2016-04-12 2017-10-20 广西华银铝业有限公司 氧化铝生产中铝酸钠溶液精制助滤剂制备及滤饼利用方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2942944A (en) * 1958-11-26 1960-06-28 Harley A Wilhelm Process of preparing zirconium oxychloride
US3148943A (en) * 1962-12-26 1964-09-15 M & T Chemicals Inc Novel process for preparing antimony oxychloride
US3370017A (en) * 1963-07-30 1968-02-20 Du Pont Microcrystalline corundum powder, sols thereof, and processes for preparing both
US3607770A (en) * 1968-10-23 1971-09-21 Gen Electric Gaseous reaction process for the production of rare earth oxyhalide and oxide luminescent materials
US4271131A (en) * 1979-04-11 1981-06-02 Foote Mineral Company Production of highly pure lithium chloride from impure brines

Also Published As

Publication number Publication date
WO1993017959A1 (fr) 1993-09-16
CA2455428C (fr) 2004-10-05
CA2131326A1 (fr) 1993-09-16
CA2455428A1 (fr) 1993-09-16

Similar Documents

Publication Publication Date Title
Tas Chemical preparation of the binary compounds in the calcia‐alumina system by self‐propagating combustion synthesis
Rao Chemical synthesis of solid inorganic materials
Gülgün et al. Chemical synthesis and characterization of calcium aluminate powders
Shackelford et al. Ceramic and glass materials
Edwards et al. Subsolidus Phase Relations in the Ga2O3‐In2O3‐SnO2 System
Lee et al. Crystallization of celsian (BaAl2Si2O8) glass
US6066305A (en) Production of transparent cationically-homogeneous nanostructured refractory oxides at reduced temperatures
US5492871A (en) Superstoichiometric MgAl2 O4 spinel and use thereof, and process for the synthesis thereof
CA2131326C (fr) Production, a temperatures reduites, d'oxydes refractaires a structure cationique homogene, sous forme de particules de la taille du nanometre
US4152280A (en) Molten salt synthesis of modified lead zirconate titanate solid solution powder
Pfaff Chemical synthesis of calcium stannates from peroxo precursors
Kumta et al. Low-temperature chemical routes to formation and IR properties of lanthanum sesquisulfide (La2S3) ceramics
Breval et al. Microstructure of platelet‐reinforced ceramics prepared by the directed reaction of zirconium with boron carbide
JP2609944B2 (ja) 超電導性を示す酸化物材料及びその製造方法
US4952390A (en) Superconductive oxide crystal and a production process thereof
NZ228820A (en) Superconducting metal oxide and its preparation
Kumta et al. Chemical processing of rare earth chalcogenides
US20020025294A1 (en) Production of cationically-homogeneous nanostructured refractory oxides at reduced temperatures
JP2791460B2 (ja) チタン酸アルミン酸カリウムウィスカー及びその製造方法
JPS5943424B2 (ja) TmFeCuO↓4で示される六方晶系の層状構造を有する化合物およびその製造法
LU et al. Precipitation synthesis and formation process of ferroelectric Pb (Fe2/3W1/3) O3
Debsikdar Phase stability and microstructure of some gel-derived anorthite-based hybrid materials
JPH03505569A (ja) 高Tc超伝導体とその製造方法
Roth et al. Alkali oxide-tantalum, niobium and antimony oxide ionic conductors
Van Zyl The synthesis of beta alumina powders

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20130301

MKEC Expiry (correction)

Effective date: 20131009