DE69128073T2 - Verfahren zur herstellung von metalloxidaerogelen mit dichte weniger als 0,02 g/cm3 - Google Patents

Verfahren zur herstellung von metalloxidaerogelen mit dichte weniger als 0,02 g/cm3

Info

Publication number
DE69128073T2
DE69128073T2 DE69128073T DE69128073T DE69128073T2 DE 69128073 T2 DE69128073 T2 DE 69128073T2 DE 69128073 T DE69128073 T DE 69128073T DE 69128073 T DE69128073 T DE 69128073T DE 69128073 T2 DE69128073 T2 DE 69128073T2
Authority
DE
Germany
Prior art keywords
metal oxide
density less
producing metal
oxide aerogels
aerogels
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 - Fee Related
Application number
DE69128073T
Other languages
English (en)
Other versions
DE69128073D1 (de
Inventor
Thomas Tillotson
John Poco
Lawrence Hrubesh
Ian Thomas
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.)
University of California
Original Assignee
University of California
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 University of California filed Critical University of California
Publication of DE69128073D1 publication Critical patent/DE69128073D1/de
Application granted granted Critical
Publication of DE69128073T2 publication Critical patent/DE69128073T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0091—Preparation of aerogels, e.g. xerogels
    • 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
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/157—After-treatment of gels
    • C01B33/158—Purification; Drying; Dehydrating
    • C01B33/1585—Dehydration into aerogels
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/006—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce glass through wet route
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
DE69128073T 1990-08-23 1991-08-23 Verfahren zur herstellung von metalloxidaerogelen mit dichte weniger als 0,02 g/cm3 Expired - Fee Related DE69128073T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57106190A 1990-08-23 1990-08-23
PCT/US1991/006062 WO1992003378A1 (en) 1990-08-23 1991-08-23 A METHOD FOR PRODUCING METAL OXIDE AEROGELS HAVING DENSITIES LESS THAN 0.02 g/cm?3¿

Publications (2)

Publication Number Publication Date
DE69128073D1 DE69128073D1 (de) 1997-12-04
DE69128073T2 true DE69128073T2 (de) 1998-02-26

Family

ID=24282175

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69128073T Expired - Fee Related DE69128073T2 (de) 1990-08-23 1991-08-23 Verfahren zur herstellung von metalloxidaerogelen mit dichte weniger als 0,02 g/cm3

Country Status (4)

Country Link
US (1) US5275796A (de)
EP (1) EP0497966B1 (de)
DE (1) DE69128073T2 (de)
WO (1) WO1992003378A1 (de)

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US5275796A (en) 1994-01-04
EP0497966B1 (de) 1997-10-29

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