WO2006067132A3 - Zirconium-hafnium mixed oxide powder - Google Patents

Zirconium-hafnium mixed oxide powder Download PDF

Info

Publication number
WO2006067132A3
WO2006067132A3 PCT/EP2005/056941 EP2005056941W WO2006067132A3 WO 2006067132 A3 WO2006067132 A3 WO 2006067132A3 EP 2005056941 W EP2005056941 W EP 2005056941W WO 2006067132 A3 WO2006067132 A3 WO 2006067132A3
Authority
WO
WIPO (PCT)
Prior art keywords
zirconium
hafnium
average
mixed oxide
oxide powder
Prior art date
Application number
PCT/EP2005/056941
Other languages
French (fr)
Other versions
WO2006067132A2 (en
Inventor
Stipan Katusic
Juergen Flesch
Volker Hamm
Witold Katerinak
Michael Kraemer
Original Assignee
Degussa
Stipan Katusic
Juergen Flesch
Volker Hamm
Witold Katerinak
Michael Kraemer
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 Degussa, Stipan Katusic, Juergen Flesch, Volker Hamm, Witold Katerinak, Michael Kraemer filed Critical Degussa
Priority to EP05823955A priority Critical patent/EP1831108A2/en
Publication of WO2006067132A2 publication Critical patent/WO2006067132A2/en
Publication of WO2006067132A3 publication Critical patent/WO2006067132A3/en

Links

Classifications

    • 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
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G27/00—Compounds of hafnium
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/76—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by a space-group or by other symmetry indications
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/88—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC
    • 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
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • 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
    • 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
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • 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
    • C01P2006/80—Compositional purity

Abstract

Zirconium-hafnium mixed oxide powder in the form of aggregates of primary particles having a carbon content of at most 0.05 wt . % and having the following features: - BET surface area: 60 ± 15 m2/g, average primary particle diameter: < 20 nm, aggregate parameters : average surface area: < 10000 nm2, - average equivalent circle diameter: < 100 nm, average aggregate circumference: < 700 nm, content, based in each case on the total amount of powder, of zirconium dioxide (ZrO2) : 95 to 99.9 wt.%, - hafnium dioxide (HfO2) : 0.1 to 5 wt.%, carbon: 0 to 0.15 wt.%, - chloride: 0 to 0.05 wt.% the sum of the proportions of zirconium dioxide and hafnium dioxide being at least 99.8 wt.%.
PCT/EP2005/056941 2004-12-22 2005-12-20 Zirconium-hafnium mixed oxide powder WO2006067132A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05823955A EP1831108A2 (en) 2004-12-22 2005-12-20 Zirconium-hafnium mixed oxide powder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410061698 DE102004061698A1 (en) 2004-12-22 2004-12-22 Zirconium-hafnium mixed oxide powder
DE102004061698.1 2004-12-22

Publications (2)

Publication Number Publication Date
WO2006067132A2 WO2006067132A2 (en) 2006-06-29
WO2006067132A3 true WO2006067132A3 (en) 2007-03-15

Family

ID=36295394

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/056941 WO2006067132A2 (en) 2004-12-22 2005-12-20 Zirconium-hafnium mixed oxide powder

Country Status (3)

Country Link
EP (1) EP1831108A2 (en)
DE (1) DE102004061698A1 (en)
WO (1) WO2006067132A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006051661A1 (en) 2006-11-02 2008-05-08 Evonik Degussa Gmbh Preparation for the production of refractory materials
CN101618311B (en) * 2009-07-22 2011-12-07 赵昱 Packing material with catalytic action in packed tower and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0717008A1 (en) * 1994-12-17 1996-06-19 Degussa Aktiengesellschaft Zirconium dioxide powder, process for its preparation and use
EP1142830A1 (en) * 2000-04-03 2001-10-10 Degussa AG Nano-sized pyrogenic oxides, process for their preparation and their use

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0717008A1 (en) * 1994-12-17 1996-06-19 Degussa Aktiengesellschaft Zirconium dioxide powder, process for its preparation and use
EP1142830A1 (en) * 2000-04-03 2001-10-10 Degussa AG Nano-sized pyrogenic oxides, process for their preparation and their use

Also Published As

Publication number Publication date
WO2006067132A2 (en) 2006-06-29
DE102004061698A1 (en) 2006-07-06
EP1831108A2 (en) 2007-09-12

Similar Documents

Publication Publication Date Title
ATE456630T1 (en) COATING COMPOUNDS
SG109540A1 (en) Cerium oxide powder
CA2387213A1 (en) Aesthetic dental materials
TW200637580A (en) Modified powder and a cosmetic using the same
BRPI0500476A (en) nanoscale particle dispersions, not agglomerated for use in dental materials
AU2002326930A1 (en) Nanoparticles having a rutile-like crystalline phase and method of preparing the same
DE60334096D1 (en) NKOXID, POLYMERIC COMPOSITION CONTAINS THIS POWDER AND MOLDS MANUFACTURED THEREFROM
JP2004509228A5 (en)
ATE359054T1 (en) FILLER BASED ON PARTICULAR COMPOSITE
WO2010069675A3 (en) Low- surface area fumed silicon dioxide powder
WO2007017327A3 (en) Use of titanium dioxide mixed oxide as a photocatalyst
WO2010001065A3 (en) Melted oxide grains including al, ti, mg, and zr, and ceramic materials comprising such grains
WO2008107042A3 (en) Improved combustibility of a waste plastic based fuel source
UA87288C2 (en) Aqueous polyurethane-polyurea dispersion
WO2003103816A3 (en) An aqueous dispersion containing pyrogenically prepared metal oxide particles and dispersants
EA200900485A1 (en) PREPARATIONS BASED ON FIBRAT NANOPARTICLES
CA2531466A1 (en) Structurally modified titanium dioxides
WO2009057468A1 (en) Inorganic mixed oxide and exhaust gas purification catalysts made by using the same
CA2631738A1 (en) Abrasive system for oral care compositions
MXPA03006295A (en) Silylated polyurethane-urea compositions for use in cosmetic applications.
EP1800774A3 (en) Fine composite metal particles and magnetic beads
JP2005514305A5 (en)
BR0101026A (en) Coated mixed lithium oxide particles and process to produce the same
WO2007072189A3 (en) A silylated polymer emulsion and its preparation method and uses thereof
JP2007538074A5 (en)

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KN KP KR KZ LC LK LR LS LT LU LV LY MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2005823955

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

WWP Wipo information: published in national office

Ref document number: 2005823955

Country of ref document: EP