ATE873T1 - Temperaturstabilisiertes, pyrogen hergestelltes aluminiumoxid-mischoxid, das verfahren zu seiner herstellung und verwendung. - Google Patents

Temperaturstabilisiertes, pyrogen hergestelltes aluminiumoxid-mischoxid, das verfahren zu seiner herstellung und verwendung.

Info

Publication number
ATE873T1
ATE873T1 AT80103877T AT80103877T ATE873T1 AT E873 T1 ATE873 T1 AT E873T1 AT 80103877 T AT80103877 T AT 80103877T AT 80103877 T AT80103877 T AT 80103877T AT E873 T1 ATE873 T1 AT E873T1
Authority
AT
Austria
Prior art keywords
aluminum oxide
production
temperature stabilized
mixed aluminum
pyrogenic mixed
Prior art date
Application number
AT80103877T
Other languages
English (en)
Inventor
Peter Dr. Kleinschmit
Rudolf Dr. Schwarz
Original Assignee
Degussa Aktiengesellschaft
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 Aktiengesellschaft filed Critical Degussa Aktiengesellschaft
Application granted granted Critical
Publication of ATE873T1 publication Critical patent/ATE873T1/de

Links

Classifications

    • 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
    • C01B13/20—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state
    • C01B13/22—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides
    • 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
    • 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
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/302—Hydrolysis or oxidation of gaseous aluminium compounds in the gaseous phase
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/30—Oxides other than silica
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B30/00—Compositions for artificial stone, not containing binders
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • 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
    • C01P2004/50—Agglomerated particles
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Silicon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Catalysts (AREA)
AT80103877T 1979-08-03 1980-07-08 Temperaturstabilisiertes, pyrogen hergestelltes aluminiumoxid-mischoxid, das verfahren zu seiner herstellung und verwendung. ATE873T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792931585 DE2931585A1 (de) 1979-08-03 1979-08-03 Temperaturstabilisiertes, pyrogen hergestelltes aluminiumoxid-mischoxid, das verfahren zu seiner herstellung und verwendung
EP80103877A EP0023588B1 (de) 1979-08-03 1980-07-08 Temperaturstabilisiertes, pyrogen hergestelltes Aluminiumoxid-Mischoxid, das Verfahren zu seiner Herstellung und Verwendung

Publications (1)

Publication Number Publication Date
ATE873T1 true ATE873T1 (de) 1982-05-15

Family

ID=6077588

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80103877T ATE873T1 (de) 1979-08-03 1980-07-08 Temperaturstabilisiertes, pyrogen hergestelltes aluminiumoxid-mischoxid, das verfahren zu seiner herstellung und verwendung.

Country Status (5)

Country Link
US (1) US4286990A (de)
EP (1) EP0023588B1 (de)
JP (1) JPS5626717A (de)
AT (1) ATE873T1 (de)
DE (2) DE2931585A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58167472A (ja) * 1982-03-29 1983-10-03 呉羽化学工業株式会社 二重構造複合セラミツク粉体、その製造方法及びその製造装置
GB2126931B (en) * 1982-09-04 1986-04-23 Rolls Royce Dissolving ceramic materials
GB2126569B (en) * 1982-09-04 1986-01-15 Rolls Royce Non-silica based ceramic cores for castings
JPS59128268A (ja) * 1983-01-14 1984-07-24 呉羽化学工業株式会社 複合セラミック粉体及びその製造方法
JPS60131860A (ja) * 1983-12-19 1985-07-13 呉羽化学工業株式会社 アルミナ・ジルコニアセラミツク粉体とその製造方法
JPH01119559A (ja) * 1987-11-02 1989-05-11 Kureha Chem Ind Co Ltd ムライト−アルミナ複合焼結体及びその製造方法
DE3803897A1 (de) * 1988-02-09 1989-08-10 Degussa Presslinge auf basis von pyrogen hergestelltem aluminiumoxid, verfahren zu ihrer herstellung und ihre verwendung
DE4228711A1 (de) * 1992-08-28 1994-03-03 Degussa Silicium-Aluminium-Mischoxid
US5877106A (en) * 1997-01-03 1999-03-02 Asec Manufacturing Stabilized crystalline alumina compositions
DE19650500A1 (de) 1996-12-05 1998-06-10 Degussa Dotierte, pyrogen hergestellte Oxide
US6455455B1 (en) 1999-04-30 2002-09-24 Degussa Ag Silicon-aluminum mixed oxide
DE19919635A1 (de) * 1999-04-30 2000-11-23 Degussa Silicium-Aluminium-Mischoxid
DE19943291A1 (de) * 1999-09-10 2001-03-15 Degussa Pyrogen hergestelltes Aluminiumoxid
EP1148026B1 (de) 2000-04-12 2016-08-10 Evonik Degussa GmbH Dispersionen
DE10135452A1 (de) 2001-07-20 2003-02-06 Degussa Pyrogen hergestellte Aluminium-Silicium-Mischoxide
DE10360087A1 (de) * 2003-12-20 2005-07-21 Degussa Ag Flammenhydrolytisch hergestelltes, hochoberflächiges Aluminiumoxidpulver
EP2500090B1 (de) 2011-03-16 2016-07-13 Evonik Degussa GmbH Silicium-Aluminium-Mischoxidpulver
US11427506B2 (en) 2016-07-29 2022-08-30 Evonik Operations Gmbh Method for producing hydrophobic heat insulation material
MX2019008516A (es) 2017-01-18 2019-09-18 Evonik Degussa Gmbh Material de aislamiento termico granulado y procedimiento para producirlo.
DE102017209782A1 (de) 2017-06-09 2018-12-13 Evonik Degussa Gmbh Verfahren zur Wärmedämmung eines evakuierbaren Behälters
JP7184916B2 (ja) 2018-03-05 2022-12-06 エボニック オペレーションズ ゲーエムベーハー エーロゲル材料を製造する方法
EP3597615A1 (de) 2018-07-17 2020-01-22 Evonik Operations GmbH Körniges gemischtes oxidmaterial und wärmedämmungszusammensetzung auf dessen basis
CA3105678C (en) 2018-07-17 2022-10-18 Evonik Operations Gmbh Thermal insulating composition based on silica granulates
EP3823942A1 (de) 2018-07-18 2021-05-26 Evonik Operations GmbH Verfahren zur hydrophobierung geformter isoliermaterialkörper auf basis von kieselsäure bei umgebungsdruck
DK3870537T3 (da) 2020-01-14 2025-09-29 Evonik Operations Gmbh Siliciumdioxidbaseret hydrofobt granulært materiale med øget polaritet
US12515958B2 (en) 2020-04-30 2026-01-06 Evonik Operations Gmbh Silica aerogel with increased alkaline stability

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663283A (en) * 1969-10-02 1972-05-16 Richard A Hebert Process and apparatus for the production of finely-divided metal oxides
GB1350661A (en) * 1970-06-10 1974-04-18 Micropore International Ltd Thermal insulating materials
US3784388A (en) * 1971-08-02 1974-01-08 Norton Co Wear resistant aluminous ceramic articles
DE2163678C2 (de) * 1971-12-22 1981-10-15 Bayer Ag, 5090 Leverkusen Aluminiumoxidfasern und Verfahren zu ihrer Herstellung
US4094690A (en) * 1972-08-07 1978-06-13 Imperial Chemical Industries Limited Liquid composition
US3989783A (en) * 1973-06-27 1976-11-02 Iowa State University Research Foundation, Inc. Dense mullite ceramic bodies and process of manufacture
US4040998A (en) * 1975-07-17 1977-08-09 Champion Spark Plug Company Aqueous dispersion of ceramic slurry
DE2533925C3 (de) * 1975-07-30 1980-12-11 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von feinstteiligen Oxiden von Metallen und/oder des Siliciums
US4028453A (en) * 1975-10-20 1977-06-07 Lava Crucible Refractories Company Process for making refractory shapes
US4048290A (en) * 1976-01-28 1977-09-13 Cabot Corporation Process for the production of finely-divided metal and metalloid oxides
FR2399391A1 (fr) * 1977-08-05 1979-03-02 Novatome Ind Procede de fabrication de pieces en ceramique biphasee
AU529558B2 (en) * 1978-12-20 1983-06-09 Consortium Fur Elektrochemische Industrie Gmbh Agglomereted mixtures of metel oxides

Also Published As

Publication number Publication date
US4286990A (en) 1981-09-01
JPS5626717A (en) 1981-03-14
EP0023588A1 (de) 1981-02-11
EP0023588B1 (de) 1982-04-21
DE3060306D1 (en) 1982-06-03
DE2931585A1 (de) 1981-02-12

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