BR112012019897A2 - "método para produção de partículas de óxido de metal de alta pureza e materiais feitos das mesmas" - Google Patents

"método para produção de partículas de óxido de metal de alta pureza e materiais feitos das mesmas"

Info

Publication number
BR112012019897A2
BR112012019897A2 BR112012019897A BR112012019897A BR112012019897A2 BR 112012019897 A2 BR112012019897 A2 BR 112012019897A2 BR 112012019897 A BR112012019897 A BR 112012019897A BR 112012019897 A BR112012019897 A BR 112012019897A BR 112012019897 A2 BR112012019897 A2 BR 112012019897A2
Authority
BR
Brazil
Prior art keywords
metal oxide
oxide particles
production
high purity
materials made
Prior art date
Application number
BR112012019897A
Other languages
English (en)
Inventor
Antonio L Devera
Original Assignee
Momentive Performance Mat Inc
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 Momentive Performance Mat Inc filed Critical Momentive Performance Mat Inc
Publication of BR112012019897A2 publication Critical patent/BR112012019897A2/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/36—Methods for preparing oxides or hydroxides in general by precipitation reactions in aqueous solutions
    • C01B13/363—Mixtures of oxides or hydroxides by precipitation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • 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
    • C01P2004/02—Particle morphology depicted by an image obtained by optical microscopy
    • 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
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12181—Composite powder [e.g., coated, etc.]
    • 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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

patente de invenção: "método para produção de partículas de óxido de metal de alta pureza e materiais feitos das mesmas". a presente invenção refere-se a um método de produção de óxido de metal e partículas de óxido de metal misturadas. o método inclui tratamento de uma mistura formada de uma fonte de metal, tal como alcóxido de metal, um tensoativo e um primeiro álcool em um meio aquoso em um rendimento de óxido de metal muito alto. a mistura é reagida usando um catalisador para formar partículas de óxido de metal tendo um tamanho de partículas desejado na referida mistura. o método é particularmente adequado para formação de partículas de sílica. as partículas de óxido de metal podem, então, ser termicamente tratadas para formar óxidos de metal fundidos sintéticos tais como, por exemplo, sílica fundida sintética.
BR112012019897A 2010-02-08 2011-02-04 "método para produção de partículas de óxido de metal de alta pureza e materiais feitos das mesmas" BR112012019897A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/701,862 US8197782B2 (en) 2010-02-08 2010-02-08 Method for making high purity metal oxide particles and materials made thereof
PCT/US2011/023695 WO2011097444A1 (en) 2010-02-08 2011-02-04 Method for making high purity metal oxide particles and materials made therof

Publications (1)

Publication Number Publication Date
BR112012019897A2 true BR112012019897A2 (pt) 2016-05-03

Family

ID=44353888

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012019897A BR112012019897A2 (pt) 2010-02-08 2011-02-04 "método para produção de partículas de óxido de metal de alta pureza e materiais feitos das mesmas"

Country Status (6)

Country Link
US (2) US8197782B2 (pt)
EP (1) EP2534103B1 (pt)
JP (1) JP5870040B2 (pt)
CN (1) CN102781839B (pt)
BR (1) BR112012019897A2 (pt)
WO (1) WO2011097444A1 (pt)

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US20120208024A1 (en) 2012-08-16
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