DE19718740A1 - Verfahren zur Granulierung von Aerogelen - Google Patents
Verfahren zur Granulierung von AerogelenInfo
- Publication number
- DE19718740A1 DE19718740A1 DE19718740A DE19718740A DE19718740A1 DE 19718740 A1 DE19718740 A1 DE 19718740A1 DE 19718740 A DE19718740 A DE 19718740A DE 19718740 A DE19718740 A DE 19718740A DE 19718740 A1 DE19718740 A1 DE 19718740A1
- Authority
- DE
- Germany
- Prior art keywords
- mixing device
- aerogels
- agglomerates
- airgel particles
- gel
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000004964 aerogel Substances 0.000 title abstract description 21
- 238000005469 granulation Methods 0.000 title 1
- 230000003179 granulation Effects 0.000 title 1
- 239000002245 particle Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims description 5
- 230000002776 aggregation Effects 0.000 claims description 4
- 238000005054 agglomeration Methods 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims 1
- 239000000499 gel Substances 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 13
- 229910004298 SiO 2 Inorganic materials 0.000 description 9
- 238000001035 drying Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 238000000352 supercritical drying Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 235000019353 potassium silicate Nutrition 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000495 cryogel Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 239000007863 gel particle Substances 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- -1 methylsilyl groups Chemical group 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Silicon Compounds (AREA)
- Colloid Chemistry (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19718740A DE19718740A1 (de) | 1997-05-02 | 1997-05-02 | Verfahren zur Granulierung von Aerogelen |
| CA002287849A CA2287849A1 (en) | 1997-05-02 | 1998-04-29 | Method for granulating aerogels |
| KR19997010098A KR20010012153A (ko) | 1997-05-02 | 1998-04-29 | 에어로겔의 과립화 방법 |
| PCT/EP1998/002519 WO1998050144A1 (de) | 1997-05-02 | 1998-04-29 | Verfahren zur granulierung von aerogelen |
| JP54769598A JP2001523162A (ja) | 1997-05-02 | 1998-04-29 | エーロゲルの造粒方法 |
| EP98925496A EP0979141A1 (de) | 1997-05-02 | 1998-04-29 | Verfahren zur granulierung von aerogelen |
| CN98805627A CN1126592C (zh) | 1997-05-02 | 1998-04-29 | 将气凝胶粒化的方法 |
| US09/433,931 US6481649B1 (en) | 1997-05-02 | 1999-11-01 | Method for granulating aerogels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19718740A DE19718740A1 (de) | 1997-05-02 | 1997-05-02 | Verfahren zur Granulierung von Aerogelen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE19718740A1 true DE19718740A1 (de) | 1998-11-05 |
Family
ID=7828544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19718740A Ceased DE19718740A1 (de) | 1997-05-02 | 1997-05-02 | Verfahren zur Granulierung von Aerogelen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6481649B1 (enExample) |
| EP (1) | EP0979141A1 (enExample) |
| JP (1) | JP2001523162A (enExample) |
| KR (1) | KR20010012153A (enExample) |
| CN (1) | CN1126592C (enExample) |
| CA (1) | CA2287849A1 (enExample) |
| DE (1) | DE19718740A1 (enExample) |
| WO (1) | WO1998050144A1 (enExample) |
Families Citing this family (33)
| 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 |
| US7654728B2 (en) | 1997-10-24 | 2010-02-02 | Revalesio Corporation | System and method for therapeutic application of dissolved oxygen |
| US7128278B2 (en) | 1997-10-24 | 2006-10-31 | Microdiffusion, Inc. | System and method for irritating with aerated water |
| 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 (en) * | 2006-10-10 | 2008-04-17 | Korea Institute Of Industrial Technology | Method for preparing permanently hydrophobic aerogel and permanently hydrophobic aerogel prepared by using the method |
| US8445546B2 (en) | 2006-10-25 | 2013-05-21 | Revalesio Corporation | Electrokinetically-altered fluids comprising charge-stabilized gas-containing nanostructures |
| JP5306214B2 (ja) | 2006-10-25 | 2013-10-02 | リバルシオ コーポレイション | 混合装置 |
| US8609148B2 (en) | 2006-10-25 | 2013-12-17 | Revalesio Corporation | Methods of therapeutic treatment of eyes |
| US8784898B2 (en) | 2006-10-25 | 2014-07-22 | Revalesio Corporation | Methods of wound care and treatment |
| US8784897B2 (en) | 2006-10-25 | 2014-07-22 | Revalesio Corporation | Methods of therapeutic treatment of eyes |
| JP5595041B2 (ja) | 2006-10-25 | 2014-09-24 | リバルシオ コーポレイション | 酸素富化溶液を用いる、眼および他のヒト組織の治療処置の方法 |
| WO2008115290A2 (en) | 2006-10-25 | 2008-09-25 | Revalesio Corporation | Methods of wound care and treatment |
| 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 |
| US9745567B2 (en) | 2008-04-28 | 2017-08-29 | Revalesio Corporation | Compositions and methods for treating multiple sclerosis |
| CN102076327B (zh) | 2008-05-01 | 2014-04-16 | 利发利希奥公司 | 治疗消化功能紊乱的组合物和方法 |
| US8815292B2 (en) | 2009-04-27 | 2014-08-26 | Revalesio Corporation | Compositions and methods for treating insulin resistance and diabetes mellitus |
| SG10201503600XA (en) | 2010-05-07 | 2015-06-29 | Revalesio Corp | Compositions and methods for enhancing physiological performance and recovery time |
| BR112013003110A2 (pt) | 2010-08-12 | 2016-06-28 | Revalesio Corp | composições e métodos para tratamento de taupatia |
| US8697766B2 (en) * | 2011-02-24 | 2014-04-15 | Basf Se | Process for producing pulverulent porous materials |
| EP2581216A1 (en) | 2011-10-12 | 2013-04-17 | Dow Global Technologies LLC | Panel with fire barrier |
| DE102015207944A1 (de) | 2015-04-29 | 2016-11-03 | Wacker Chemie Ag | Verfahren zur Herstellung organisch modifizierter Aerogele |
| DE102015207939A1 (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 |
| EP3674263B1 (en) | 2018-02-14 | 2023-04-05 | Lg Chem, Ltd. | Method for preparing hydrophobic silica aerogel granules |
| 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 |
| EP4382498A1 (en) | 2022-12-09 | 2024-06-12 | EMPA Eidgenössische Materialprüfungs- und Forschungsanstalt | Binder-free bulk silica aerogel material, method of producing the same and uses thereof |
| US20240425376A1 (en) | 2022-02-03 | 2024-12-26 | Empa Eidgenössische Materialprüfungs- Und Forschungsanstalt | Binder-free bulk silica aerogel material, method of producing the same and uses thereof |
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|---|---|---|---|---|
| DE296898C (enExample) | ||||
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| 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 |
| US5750610A (en) | 1997-02-24 | 1998-05-12 | Dow Corning Corporation | Hydrophobic organosilicate-modified silica gels |
| US5708069A (en) | 1997-02-24 | 1998-01-13 | Dow Corning Corporation | Method for making hydrophobic silica gels under neutral conditions |
-
1997
- 1997-05-02 DE DE19718740A patent/DE19718740A1/de not_active Ceased
-
1998
- 1998-04-29 CA CA002287849A patent/CA2287849A1/en not_active Abandoned
- 1998-04-29 JP JP54769598A patent/JP2001523162A/ja not_active Ceased
- 1998-04-29 KR KR19997010098A patent/KR20010012153A/ko not_active Ceased
- 1998-04-29 CN CN98805627A patent/CN1126592C/zh not_active Expired - Fee Related
- 1998-04-29 EP EP98925496A patent/EP0979141A1/de not_active Ceased
- 1998-04-29 WO PCT/EP1998/002519 patent/WO1998050144A1/de not_active Ceased
-
1999
- 1999-11-01 US US09/433,931 patent/US6481649B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2287849A1 (en) | 1998-11-12 |
| CN1126592C (zh) | 2003-11-05 |
| JP2001523162A (ja) | 2001-11-20 |
| US6481649B1 (en) | 2002-11-19 |
| CN1258230A (zh) | 2000-06-28 |
| WO1998050144A1 (de) | 1998-11-12 |
| KR20010012153A (ko) | 2001-02-15 |
| EP0979141A1 (de) | 2000-02-16 |
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