EP0979141A1 - Procede de granulation d'aerogels - Google Patents

Procede de granulation d'aerogels

Info

Publication number
EP0979141A1
EP0979141A1 EP98925496A EP98925496A EP0979141A1 EP 0979141 A1 EP0979141 A1 EP 0979141A1 EP 98925496 A EP98925496 A EP 98925496A EP 98925496 A EP98925496 A EP 98925496A EP 0979141 A1 EP0979141 A1 EP 0979141A1
Authority
EP
European Patent Office
Prior art keywords
aerogels
mixing device
agglomerates
gel
airgel particles
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.)
Ceased
Application number
EP98925496A
Other languages
German (de)
English (en)
Inventor
Marc Schmidt
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.)
Cabot Corp
Original Assignee
Cabot Corp
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 Cabot Corp filed Critical Cabot Corp
Publication of EP0979141A1 publication Critical patent/EP0979141A1/fr
Ceased 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
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/14—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating dishes or pans
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain

Abstract

L'invention concerne un procédé d'agglomération de particules d'aérogel dans lequel les particules d'aérogel sont introduites dans un dispositif de mélange et mélangées, un liant étant amené dans le dispositif de mélange.
EP98925496A 1997-05-02 1998-04-29 Procede de granulation d'aerogels Ceased EP0979141A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19718740A DE19718740A1 (de) 1997-05-02 1997-05-02 Verfahren zur Granulierung von Aerogelen
DE19718740 1997-05-02
PCT/EP1998/002519 WO1998050144A1 (fr) 1997-05-02 1998-04-29 Procede de granulation d'aerogels

Publications (1)

Publication Number Publication Date
EP0979141A1 true EP0979141A1 (fr) 2000-02-16

Family

ID=7828544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98925496A Ceased EP0979141A1 (fr) 1997-05-02 1998-04-29 Procede de granulation d'aerogels

Country Status (8)

Country Link
US (1) US6481649B1 (fr)
EP (1) EP0979141A1 (fr)
JP (1) JP2001523162A (fr)
KR (1) KR20010012153A (fr)
CN (1) CN1126592C (fr)
CA (1) CA2287849A1 (fr)
DE (1) DE19718740A1 (fr)
WO (1) WO1998050144A1 (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19648798C2 (de) * 1996-11-26 1998-11-19 Hoechst Ag Verfahren zur Herstellung von organisch modifizierten Aerogelen durch Oberflächenmodifikation des wäßrigen Gels (ohne vorherigen Lösungsmitteltausch) und anschließender Trocknung
US7128278B2 (en) 1997-10-24 2006-10-31 Microdiffusion, Inc. System and method for irritating with aerated water
US7654728B2 (en) 1997-10-24 2010-02-02 Revalesio Corporation System and method for therapeutic application of dissolved oxygen
US6702949B2 (en) 1997-10-24 2004-03-09 Microdiffusion, Inc. Diffuser/emulsifier for aquaculture applications
US6386751B1 (en) 1997-10-24 2002-05-14 Diffusion Dynamics, Inc. Diffuser/emulsifier
US8034749B2 (en) * 2002-12-31 2011-10-11 Baker Hughes Incorporated Aerogels effective to reduce drilling fluid density
US20050219693A1 (en) * 2004-04-02 2005-10-06 David Hartkop Scanning aperture three dimensional display device
US20060084707A1 (en) * 2004-10-15 2006-04-20 Aspen Aerogels, Inc. Methods for manufacture of aerogels
WO2008044873A1 (fr) * 2006-10-10 2008-04-17 Korea Institute Of Industrial Technology Procédé de préparation d'un aérogel à hydrophobicité permanente et aérogel à hydrophobicité permanente préparé par ce procédé
AU2007308840C1 (en) 2006-10-25 2014-09-25 Revalesio Corporation Methods of therapeutic treatment of eyes and other human tissues using an oxygen-enriched solution
AU2007308838B2 (en) 2006-10-25 2014-03-13 Revalesio Corporation Mixing device and output fluids of same
US8784897B2 (en) 2006-10-25 2014-07-22 Revalesio Corporation Methods of therapeutic treatment of eyes
US8784898B2 (en) 2006-10-25 2014-07-22 Revalesio Corporation Methods of wound care and treatment
CA2667614A1 (fr) 2006-10-25 2008-09-25 Revalesio Corporation Methodes de soins et de traitement de plaies
US8609148B2 (en) 2006-10-25 2013-12-17 Revalesio Corporation Methods of therapeutic treatment of eyes
US8445546B2 (en) 2006-10-25 2013-05-21 Revalesio Corporation Electrokinetically-altered fluids comprising charge-stabilized gas-containing nanostructures
US9745567B2 (en) 2008-04-28 2017-08-29 Revalesio Corporation Compositions and methods for treating multiple sclerosis
US9523090B2 (en) 2007-10-25 2016-12-20 Revalesio Corporation Compositions and methods for treating inflammation
US10125359B2 (en) 2007-10-25 2018-11-13 Revalesio Corporation Compositions and methods for treating inflammation
EP2285347A4 (fr) 2008-05-01 2011-09-21 Revalesio Corp Compositions et méthodes de traitement de troubles digestifs
US8815292B2 (en) 2009-04-27 2014-08-26 Revalesio Corporation Compositions and methods for treating insulin resistance and diabetes mellitus
BR112012028540A2 (pt) 2010-05-07 2016-07-26 Revalesio Corp composições e métodos para melhorar desempenho fisiológico e tempo de recuperação
AU2011289172B2 (en) 2010-08-12 2015-09-24 Revalesio Corporation Compositions and methods for treatment of taupathy
US8697766B2 (en) * 2011-02-24 2014-04-15 Basf Se Process for producing pulverulent porous materials
EP2581216A1 (fr) 2011-10-12 2013-04-17 Dow Global Technologies LLC Panneau avec barrière ignifuge
DE102015207939A1 (de) 2015-04-29 2016-11-03 Wacker Chemie Ag Verfahren zur Herstellung organisch modifizierter Aerogele
DE102015207944A1 (de) 2015-04-29 2016-11-03 Wacker Chemie Ag Verfahren zur Herstellung organisch modifizierter Aerogele
DE102015211812A1 (de) 2015-06-25 2016-12-29 Wacker Chemie Ag Wirtschaftliches Verfahren zur Herstellung von organisch modifizierten Lyo- oder Aerogelen
CN108147401B (zh) * 2018-01-12 2019-11-15 昂星新型碳材料常州有限公司 石墨烯气凝胶粉末的制备方法
WO2019160368A1 (fr) 2018-02-14 2019-08-22 주식회사 엘지화학 Procédé de préparation de granules d'aérogel de silice hydrophobe
CN110077079B (zh) * 2019-05-29 2020-12-29 浙江康廷电子科技有限公司 一种气凝胶与pet基材的复合结构及其制备工艺
WO2023148082A1 (fr) 2022-02-03 2023-08-10 Empa Eidgenössische Materialprüfungs- Und Forschungsanstalt Matériau d'aérogel de silice en vrac exempt de liant, son procédé de production et ses utilisations

Family Cites Families (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE296898C (fr)
DE261581C (de) 1912-01-17 1913-06-25 Krupp Ag Aufschlagzünder mit ein- und ausschaltbarer Verzögerung
US2093454A (en) 1934-10-01 1937-09-21 Samuel S Kistler Method of producing aerogels
US2385217A (en) 1942-10-09 1945-09-18 Socony Vacuum Oil Co Inc Gel pellets
GB607234A (en) 1946-01-15 1948-08-27 Standard Oil Dev Co Improved process for the preparation of gel particles
BE494972A (fr) 1949-04-07
GB682574A (en) 1950-05-04 1952-11-12 Dow Corning Ltd Improvements in or relating to silica compositions
US2680696A (en) 1951-02-14 1954-06-08 Du Pont Method of esterifying the surface of a silica substrate having a reactive silanol surface
US2786042A (en) 1951-11-23 1957-03-19 Du Pont Process for preparing sols of colloidal particles of reacted amorphous silica and products thereof
US2886460A (en) 1954-09-14 1959-05-12 Du Pont Organophilic and hydrophilic composition
US3015645A (en) 1954-10-06 1962-01-02 Dow Corning Silica powders
GB783868A (en) 1954-10-06 1957-10-02 Midland Silicones Ltd A process of preparing hydrophobic organo-silicon powders
US2978298A (en) 1956-09-04 1961-04-04 Gen Electric Process for producing hydrophobic aerogels
US3122520A (en) 1959-10-05 1964-02-25 Dow Corning Method of making silicone rubber fillers
US3024126A (en) 1960-06-15 1962-03-06 Dow Corning Method of treating reinforcing silica
DE1667078B2 (de) 1967-10-31 1979-07-19 W.R. Grace & Co., New York, N.Y. (V.St.A.) Verfahren zur Herstellung von kugelförmigen Kieselsäurehydrogelen
SE319161B (fr) 1968-01-30 1970-01-12 Fosfatbolaget Ab
US3794713A (en) 1968-08-06 1974-02-26 Nat Petro Chem Preparation of silica gels
DE2103243C3 (de) 1971-01-25 1979-01-11 Basf Ag, 6700 Ludwigshafen Verfahren und Vorrichtung zur Herstellung von weitgehend kugelförmigen, Kieselsäure enthaltenden Hydrogelen
US4101443A (en) 1976-06-01 1978-07-18 Union Carbide Corporation Transient antifoam compositions
US4101442A (en) 1976-06-01 1978-07-18 Union Carbide Corporation Non-aqueous antifoam compositions
US4190457A (en) 1978-06-09 1980-02-26 Phillips Petroleum Co. Preparation of inorganic xerogels
CS208879B1 (en) 1979-07-09 1981-10-30 Ivan Novak Preparation method of silicic acid xerogel with high volumen of pores
DE2951577A1 (de) * 1979-12-21 1981-07-02 Grünzweig + Hartmann und Glasfaser AG, 6700 Ludwigshafen Verfahren zur herstellung von waermeisolierkoerpern sowie vorrichtung zur durchfuehrung des verfahrens
US4344800A (en) 1980-06-03 1982-08-17 Dow Corning Corporation Method for producing hydrophobic reinforcing silica fillers and fillers obtained thereby
DE3329016A1 (de) 1983-08-11 1985-02-28 Basf Ag, 6700 Ludwigshafen Verfahren zum herstellen von polymerisaten des ethylens mittels eines kieselsaeure-xerogel/chromtrioxid-katalysators
DE3429671A1 (de) 1984-08-11 1986-02-20 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von aerogelen
JPS6169867A (ja) 1984-09-13 1986-04-10 Mitsubishi Rayon Co Ltd シリカ微粒子含有樹脂組成物
US4649037A (en) 1985-03-29 1987-03-10 Allied Corporation Spray-dried inorganic oxides from non-aqueous gels or solutions
FR2584698B1 (fr) * 1985-07-15 1990-05-18 Rhone Poulenc Spec Chim Procede de preparation de particules de silice spheroidales
US5215733A (en) 1986-04-25 1993-06-01 Unilever Patent Holdings B.V. Manufacture of silica gels using shear to reduce the particle size prior to washing with a hydrocyclone
US4888369A (en) 1987-01-21 1989-12-19 Himont Incorporated Polypropylene composition resistant to high energy radiation, and radiation sterilized articles therefrom
FR2613708B1 (fr) 1987-04-13 1990-10-12 Rhone Poulenc Chimie Silice de precipitation hydrophobe, son procede de preparation et son application au renforcement des elastomeres silicones
US4950502A (en) 1987-09-10 1990-08-21 Dow Corning Corporation Method of hydrophobing silica
US5001183A (en) 1987-09-10 1991-03-19 Dow Corning Corporation Method of hydrophobing silica
US4873218A (en) 1988-05-26 1989-10-10 The United States Department Of Energy Low density, resorcinol-formaldehyde aerogels
JPH02152196A (ja) 1988-12-03 1990-06-12 Osaka Prefecture 分散型ｅｌ素子
DE3914850A1 (de) 1989-05-05 1990-11-08 Basf Ag Thermisches isoliermaterial auf der basis von pigmenthaltigen kieselsaeureaerogelen
WO1992003378A1 (fr) 1990-08-23 1992-03-05 United States Department Of Energy PROCEDE DE PRODUCTION D'AEROGELS D'OXYDE DE METAL DE MASSES VOLUMIQUES INFERIEURES A 0,02 g/cm?3¿
US5409683A (en) 1990-08-23 1995-04-25 Regents Of The University Of California Method for producing metal oxide aerogels
JP2646150B2 (ja) 1990-08-27 1997-08-25 出光興産 株式会社 撥水性シリカゾルおよびその製造方法
US5674962A (en) 1990-11-30 1997-10-07 Mitsubishi Rayon Company Ltd. Toner resin
US5081163A (en) 1991-04-11 1992-01-14 The United States Of America As Represented By The Department Of Energy Melamine-formaldehyde aerogels
NO912006D0 (no) 1991-05-24 1991-05-24 Sinvent As Fremgangsmaate for fremstilling av et silika-aerogel-lignende materiale.
DE4201306A1 (de) 1992-01-20 1993-07-22 Basf Ag Formteile oder platten aus silica-aerogelen
US5565142A (en) 1992-04-01 1996-10-15 Deshpande; Ravindra Preparation of high porosity xerogels by chemical surface modification.
DE4231749A1 (de) 1992-09-23 1994-03-24 Basf Ag Verfahren zur Herstellung eines Trägerkatalysators für die Polymerisation von alpha-Olefinen
US5420168A (en) 1993-04-01 1995-05-30 The Regents Of The University Of California Method of low pressure and/or evaporative drying of aerogel
DE4316540A1 (de) 1993-05-18 1994-11-24 Hoechst Ag Verfahren zur unterkritischen Trocknung von Aerogelen
US5508341A (en) 1993-07-08 1996-04-16 Regents Of The University Of California Organic aerogel microspheres and fabrication method therefor
ES2147577T3 (es) 1993-07-22 2000-09-16 Huntsman Ici Chem Llc Aerogeles organicos.
US5484818A (en) 1993-07-22 1996-01-16 Imperial Chemical Industries Plc Organic aerogels
AU7655594A (en) 1993-08-31 1995-03-22 Basf Aktiengesellschaft Hydrophobic silicic acid aerogels
JP2725573B2 (ja) 1993-11-12 1998-03-11 松下電工株式会社 疎水性エアロゲルの製法
US5795556A (en) 1993-12-14 1998-08-18 Hoechst Ag Xerogels and process for their preparation
DE4342548A1 (de) 1993-12-14 1995-06-22 Hoechst Ag Xerogele, Verfahren zu ihrer Herstellung, sowie ihre Verwendung
DE4404701A1 (de) 1994-02-15 1995-08-17 Hoechst Ag Verbundschaumstoffe, Verfahren zu ihrer Herstellung und ihre Verwendung
US5494858A (en) 1994-06-07 1996-02-27 Texas Instruments Incorporated Method for forming porous composites as a low dielectric constant layer with varying porosity distribution electronics applications
DE4430669A1 (de) 1994-08-29 1996-03-07 Hoechst Ag Verfahren zur Herstellung von faserverstärkten Xerogelen, sowie ihre Verwendung
US5476878A (en) 1994-09-16 1995-12-19 Regents Of The University Of California Organic aerogels from the sol-gel polymerization of phenolic-furfural mixtures
DE4437424A1 (de) 1994-10-20 1996-04-25 Hoechst Ag Aerogelhaltige Zusammensetzung, Verfahren zu ihrer Herstellung sowie ihre Verwendung
DE4439217A1 (de) 1994-11-03 1996-05-09 Hoechst Ag Verfahren zur Herstellung von Aerogelen
DE4441567A1 (de) * 1994-11-23 1996-05-30 Hoechst Ag Aerogelhaltiges Verbundmaterial, Verfahren zu seiner Herstellung sowie seine Verwendung
US5786059A (en) 1994-12-21 1998-07-28 Hoechst Aktiengesellschaft Fiber web/aerogel composite material comprising bicomponent fibers, production thereof and use thereof
DE19502453C1 (de) 1995-01-27 1996-09-05 Hoechst Ag Verfahren zur Herstellung von modifizierten Si0¶2¶- Aerogelen und deren Verwendung
DE19506141A1 (de) 1995-02-22 1996-08-29 Hoechst Ag Verwendung von Aerogelen in der Pharmazie, in der Kosmetik und im Pflanzenschutz
DE19533564A1 (de) * 1995-09-11 1997-03-13 Hoechst Ag Faserhaltiges Aerogel-Verbundmaterial
DE19534198A1 (de) 1995-09-15 1997-03-20 Hoechst Ag Verfahren zur Herstellung organofunktionalisierter Aerogele
DE19537821A1 (de) 1995-10-11 1997-04-17 Hoechst Ag Aerogelbeschichtete Folie
US5595593A (en) 1995-10-12 1997-01-21 Dow Corning Corporation Treatment of fillers with oxa-silacycloalkanes
DE19541279A1 (de) 1995-11-06 1997-05-07 Hoechst Ag Verfahren zur Herstellung von organisch modifizierten Aerogelen unter Verwendung von Alkoholen
DE19541715A1 (de) 1995-11-09 1997-05-15 Hoechst Ag Verfahren zur Herstellung von organisch modifizierten Aerogelen, bei dem die gebildeten Salze ausgefällt werden
DE19541992A1 (de) 1995-11-10 1997-05-15 Hoechst Ag Verfahren zur Herstellung von organisch modifizierten Aerogelen unter Verwendung von Alkoholen, bei dem gebildeten Salze ausgefällt werden
DE19648798C2 (de) 1996-11-26 1998-11-19 Hoechst Ag Verfahren zur Herstellung von organisch modifizierten Aerogelen durch Oberflächenmodifikation des wäßrigen Gels (ohne vorherigen Lösungsmitteltausch) und anschließender Trocknung
US5708069A (en) 1997-02-24 1998-01-13 Dow Corning Corporation Method for making hydrophobic silica gels under neutral conditions
US5750610A (en) 1997-02-24 1998-05-12 Dow Corning Corporation Hydrophobic organosilicate-modified silica gels

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9850144A1 *

Also Published As

Publication number Publication date
WO1998050144A1 (fr) 1998-11-12
CN1126592C (zh) 2003-11-05
KR20010012153A (ko) 2001-02-15
CN1258230A (zh) 2000-06-28
JP2001523162A (ja) 2001-11-20
CA2287849A1 (fr) 1998-11-12
US6481649B1 (en) 2002-11-19
DE19718740A1 (de) 1998-11-05

Similar Documents

Publication Publication Date Title
EP0979141A1 (fr) Procede de granulation d'aerogels
WO1998050145A1 (fr) Procede de compactage d'aerogels
EP0810822B1 (fr) Utilisation d'aerogels en agriculture
WO2015014813A1 (fr) Procédé de production d'un matériau aérogel
EP1078688B1 (fr) Méthode pour la préparation d'échangeurs d'anions monodisperses
DE2317455A1 (de) Chromatographisches fuellmaterial
DE2317454A1 (de) Verfahren zur herstellung von aus vielen anorganischen grundteilchen zusammengesetzten mikroteilchen
EP3253818A1 (fr) Procédé de production d'un matériau aérogel
WO2002060573A2 (fr) Systeme capsules dans capsule et son procede de production
DE1900865A1 (de) Verfahren zur Herstellung von Mikrokapseln
CH619155A5 (fr)
EP0837832B1 (fr) Procede de production d'aerogels organiquement modifies et leur utilisation
EP0044051B1 (fr) Polymère sous forme d'une poudre poreuse
CN101362068B (zh) 一种沉淀聚合制备交联聚苯乙烯微球的方法
US2470872A (en) Preparation of acid activated clay
EP0984828B1 (fr) Procede de production de logels et d'aerogels se presentant sensiblement sous la forme de billes
EP0984829A1 (fr) Procede de production de lyogels et d'aerogels se presentant sensiblement sous la forme de billes
EP0184605A2 (fr) Procédé pour la production de corps moulés poreux riches en acide de silice et son utilisation
EP0988889B1 (fr) Matériau granulaire ayant des propriétés d'adsorption, d'absorption, de chemisorption ou catalytique lié à l'aide de polymère
WO1999021796A1 (fr) Production de silicates et de matieres inorganiques poreux et a porosite bimodale par calibrage de particules fonctionnelles de latex
WO2004035470A2 (fr) Procede de production de peroxydes alcalino-terreux exempts de poussiere
MXPA99009992A (en) Method for compacting aerogels
DE10006125A1 (de) Modifizierte Mikrocellulose
DE1442888A1 (de) Wirbelschichtkatalysator und Verfahren zu seiner Herstellung
DD155687A3 (de) Verfahren zur herstellung eines adsorptionsmittels mit hoher selektivitaet

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19991102

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE ES FR GB IT LI NL SE

17Q First examination report despatched

Effective date: 20000605

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CABOT CORPORATION

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20020706