BRPI0409077A - pós de alfa-alumina ultrafinos nanoporosos e processo solução-gel de preparação do mesmo - Google Patents

pós de alfa-alumina ultrafinos nanoporosos e processo solução-gel de preparação do mesmo

Info

Publication number
BRPI0409077A
BRPI0409077A BRPI0409077-2A BRPI0409077A BRPI0409077A BR PI0409077 A BRPI0409077 A BR PI0409077A BR PI0409077 A BRPI0409077 A BR PI0409077A BR PI0409077 A BRPI0409077 A BR PI0409077A
Authority
BR
Brazil
Prior art keywords
alumina
preparation process
alumina powders
gel
solution preparation
Prior art date
Application number
BRPI0409077-2A
Other languages
English (en)
Inventor
Yuhu Wang
Original Assignee
Saint Gobain Ceramics
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 Saint Gobain Ceramics filed Critical Saint Gobain Ceramics
Publication of BRPI0409077A publication Critical patent/BRPI0409077A/pt

Links

Classifications

    • 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
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • C01F7/442—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination in presence of a calcination additive
    • 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
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • 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
    • 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
    • B82Y40/00—Manufacture or treatment of nanostructures
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
    • 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
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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
    • 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
    • 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
    • Y10S977/777—Metallic powder or flake
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Abstract

"PóS DE ALFA-ALUMINA ULTRAFINOS NANOPOROSOS E PROCESSO SOLUçãO-GEL DE PREPARAçãO DO MESMO". A presente invenção refere-se a pós de <244>-alumina compreendendo partículas de <244>-alumina das quais pelo menos 80% das partículas de <244>-alumina têm um tamanho de partícula de menos de 100 nm. A invenção também fornece pastas fluidas, particularmente pastas fluidas aquosas, que compreendem pós de <244>-alumina da invenção. A invenção também fornece métodos de produção de pós de <244>-alumina e pastas fluidas de <244>-alumina da invenção e métodos de polimento usando-se os mesmos.
BRPI0409077-2A 2003-04-02 2004-03-31 pós de alfa-alumina ultrafinos nanoporosos e processo solução-gel de preparação do mesmo BRPI0409077A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/406,085 US7422730B2 (en) 2003-04-02 2003-04-02 Nanoporous ultrafine α-alumina powders and sol-gel process of preparing same
PCT/US2004/010266 WO2004089827A2 (en) 2003-04-02 2004-03-31 Nanoporous ultrafine alpha-alumina powders and sol-gel process of preparing the same

Publications (1)

Publication Number Publication Date
BRPI0409077A true BRPI0409077A (pt) 2006-04-18

Family

ID=33097244

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0409077-2A BRPI0409077A (pt) 2003-04-02 2004-03-31 pós de alfa-alumina ultrafinos nanoporosos e processo solução-gel de preparação do mesmo

Country Status (13)

Country Link
US (2) US7422730B2 (pt)
EP (2) EP1618069B1 (pt)
JP (1) JP4579907B2 (pt)
KR (1) KR100662227B1 (pt)
CN (1) CN1771198B (pt)
AU (1) AU2004228651B2 (pt)
BR (1) BRPI0409077A (pt)
CA (1) CA2519501C (pt)
MX (1) MXPA05010632A (pt)
NZ (1) NZ542625A (pt)
RU (1) RU2302374C2 (pt)
WO (1) WO2004089827A2 (pt)
ZA (1) ZA200507859B (pt)

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TW200531924A (en) * 2004-03-12 2005-10-01 Sumitomo Chemical Co Method for producing α-alumina particle
TW200604100A (en) * 2004-06-15 2006-02-01 Sumitomo Chemical Co A method for producing an α-alumina powder
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JP2007055888A (ja) * 2005-07-25 2007-03-08 Sumitomo Chemical Co Ltd 微粒αアルミナ
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CN101831244A (zh) * 2010-05-10 2010-09-15 上海高纳粉体技术有限公司 高精度氧化铝抛光液及其制备方法
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CN102390852B (zh) * 2011-08-16 2013-05-29 桂林理工大学 一种微乳液制备高纯超细α-Al2O3粉体的方法
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JP6010843B2 (ja) * 2012-09-28 2016-10-19 山口精研工業株式会社 微粒子α−アルミナの製造法
JP2014105146A (ja) * 2012-11-29 2014-06-09 Hitachi Ltd アルミナ結晶粒子分散アルミナゾルの作製方法及びこれにより得られたアルミナ結晶粒子分散アルミナゾル並びにこれを用いて作製したアルミナ被覆部材
CN103496724B (zh) * 2013-08-30 2016-03-30 航天特种材料及工艺技术研究所 一种纳米氧化铝溶胶和凝胶的制备方法
JP6177682B2 (ja) * 2013-12-24 2017-08-09 花王株式会社 研磨液組成物
CN106458623A (zh) * 2014-05-25 2017-02-22 王胜国 生产一水氢氧化铝和溶胶‑凝胶法磨料的方法和设备
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Also Published As

Publication number Publication date
CA2519501A1 (en) 2004-10-21
NZ542625A (en) 2009-04-30
CA2519501C (en) 2009-11-17
RU2005130529A (ru) 2006-02-27
AU2004228651A1 (en) 2004-10-21
RU2302374C2 (ru) 2007-07-10
AU2004228651B2 (en) 2007-09-06
EP1618069B1 (en) 2017-08-23
EP2366665A2 (en) 2011-09-21
WO2004089827A3 (en) 2005-06-30
CN1771198A (zh) 2006-05-10
EP2366665B1 (en) 2018-11-21
JP2006523178A (ja) 2006-10-12
EP2366665A3 (en) 2012-09-19
KR20050120772A (ko) 2005-12-23
ZA200507859B (en) 2007-06-27
US20080308528A1 (en) 2008-12-18
US7638105B2 (en) 2009-12-29
US20040197263A1 (en) 2004-10-07
WO2004089827A2 (en) 2004-10-21
MXPA05010632A (es) 2005-12-12
EP1618069A2 (en) 2006-01-25
JP4579907B2 (ja) 2010-11-10
KR100662227B1 (ko) 2007-01-02
US7422730B2 (en) 2008-09-09
CN1771198B (zh) 2010-05-05

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B09B Patent application refused [chapter 9.2 patent gazette]

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B09B Patent application refused [chapter 9.2 patent gazette]

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