DE69227448D1 - Verfahren zur Herstellung von Pulvern und Suspensionen von amorphen Siliziumdioxidmikrokugeln - Google Patents
Verfahren zur Herstellung von Pulvern und Suspensionen von amorphen SiliziumdioxidmikrokugelnInfo
- Publication number
- DE69227448D1 DE69227448D1 DE69227448T DE69227448T DE69227448D1 DE 69227448 D1 DE69227448 D1 DE 69227448D1 DE 69227448 T DE69227448 T DE 69227448T DE 69227448 T DE69227448 T DE 69227448T DE 69227448 D1 DE69227448 D1 DE 69227448D1
- Authority
- DE
- Germany
- Prior art keywords
- particles
- suspensions
- powders
- preparation
- mol
- 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
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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
-
- 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
- B01J13/02—Making microcapsules or microballoons
- B01J13/04—Making microcapsules or microballoons by physical processes, e.g. drying, spraying
-
- 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
- C01B33/141—Preparation of hydrosols or aqueous dispersions
- C01B33/1415—Preparation of hydrosols or aqueous dispersions by suspending finely divided silica in water
-
- 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
- C01B33/145—Preparation of hydroorganosols, organosols or dispersions in an organic medium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/02—Amorphous compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- 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
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 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
-
- 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
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Silicon Compounds (AREA)
- Silicon Polymers (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92810471A EP0574642B1 (de) | 1992-06-19 | 1992-06-19 | Verfahren zur Herstellung von Pulvern und Suspensionen von amorphen Siliziumdioxidmikrokugeln |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69227448D1 true DE69227448D1 (de) | 1998-12-03 |
DE69227448T2 DE69227448T2 (de) | 1999-07-01 |
Family
ID=8211942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69227448T Expired - Fee Related DE69227448T2 (de) | 1992-06-19 | 1992-06-19 | Verfahren zur Herstellung von Pulvern und Suspensionen von amorphen Siliziumdioxidmikrokugeln |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0574642B1 (de) |
JP (1) | JPH07277725A (de) |
AT (1) | ATE172695T1 (de) |
DE (1) | DE69227448T2 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69428437T2 (de) * | 1994-07-20 | 2002-06-20 | Uetikon Chemie Ag | Chromatographie, die Siliziumdioxyd basierende Adsorbentien verwendet. |
EP1124693B1 (de) * | 1998-10-02 | 2004-12-08 | Cabot Corporation | Kieseldispersion, beschichtungszusammensetzung und aufzeichnungsmedium |
JP4528392B2 (ja) * | 1999-11-11 | 2010-08-18 | 東レ・ダウコーニング株式会社 | シリコーンゴム組成物およびその製造方法 |
DE10229339B4 (de) * | 2002-06-29 | 2015-01-08 | Robert Bosch Gmbh | Chromatographische Trennvorrichtung |
JP5477192B2 (ja) * | 2010-06-23 | 2014-04-23 | 富士ゼロックス株式会社 | シリカ粒子の製造方法 |
JP5477193B2 (ja) | 2010-06-24 | 2014-04-23 | 富士ゼロックス株式会社 | シリカ粒子及びその製造方法 |
JP5488255B2 (ja) | 2010-06-25 | 2014-05-14 | 富士ゼロックス株式会社 | シリカ粒子及びその製造方法 |
JP5724401B2 (ja) | 2011-01-19 | 2015-05-27 | 富士ゼロックス株式会社 | 樹脂粒子及びその製造方法 |
JP5741005B2 (ja) | 2011-01-20 | 2015-07-01 | 富士ゼロックス株式会社 | 樹脂粒子及びその製造方法 |
JP5857525B2 (ja) * | 2011-08-18 | 2016-02-10 | 富士ゼロックス株式会社 | シリカ粒子及びその製造方法 |
DE102011116373A1 (de) | 2011-10-14 | 2013-04-18 | Dritte Patentportfolio Beteiligungsgesellschaft Mbh & Co.Kg | Methode zur Herstellung von 4-Amino-3-arylamino-6-arylpyrazolo[3, 4-d]pyrimidinen |
JP5831378B2 (ja) | 2011-12-01 | 2015-12-09 | 富士ゼロックス株式会社 | シリカ複合粒子及びその製造方法 |
DE102012004564A1 (de) | 2012-03-09 | 2013-09-12 | Heraeus Quarzglas Gmbh & Co. Kg | Verfahren zur Herstellung einer pastösen SIO2-Masse,sowie deren Verwendlung |
JP5915555B2 (ja) | 2013-01-28 | 2016-05-11 | 富士ゼロックス株式会社 | シリカ複合粒子及びその製造方法 |
EP3000790B2 (de) * | 2014-09-29 | 2023-07-26 | Heraeus Quarzglas GmbH & Co. KG | Verfahren für die Herstellung von Bauteilen aus synthetischem Quarzglas aus SiO2-Granulat |
US11339076B2 (en) | 2015-12-18 | 2022-05-24 | Heraeus Quarzglas Gmbh & Co. Kg | Preparation of carbon-doped silicon dioxide granulate as an intermediate in the preparation of quartz glass |
KR20180094087A (ko) | 2015-12-18 | 2018-08-22 | 헤래우스 크바르츠글라스 게엠베하 & 컴파니 케이지 | 실리카 과립으로부터 실리카 유리 제품의 제조 |
US10730780B2 (en) | 2015-12-18 | 2020-08-04 | Heraeus Quarzglas Gmbh & Co. Kg | Preparation of a quartz glass body in a multi-chamber oven |
US11299417B2 (en) | 2015-12-18 | 2022-04-12 | Heraeus Quarzglas Gmbh & Co. Kg | Preparation of a quartz glass body in a melting crucible of refractory metal |
CN108698880B (zh) | 2015-12-18 | 2023-05-02 | 贺利氏石英玻璃有限两合公司 | 不透明石英玻璃体的制备 |
WO2017103125A1 (de) | 2015-12-18 | 2017-06-22 | Heraeus Quarzglas Gmbh & Co. Kg | Sprühgranulieren von siliziumdioxid bei der herstellung von quarzglas |
CN108698885A (zh) | 2015-12-18 | 2018-10-23 | 贺利氏石英玻璃有限两合公司 | 石英玻璃制备中硅含量的提升 |
US10676388B2 (en) | 2015-12-18 | 2020-06-09 | Heraeus Quarzglas Gmbh & Co. Kg | Glass fibers and pre-forms made of homogeneous quartz glass |
KR20180095880A (ko) | 2015-12-18 | 2018-08-28 | 헤래우스 크바르츠글라스 게엠베하 & 컴파니 케이지 | 합성 석영 유리 결정립의 제조 |
EP3390303B1 (de) | 2015-12-18 | 2024-02-07 | Heraeus Quarzglas GmbH & Co. KG | Herstellung von quarzglaskörpern mit taupunktkontrolle im schmelzofen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3616133A1 (de) * | 1985-09-25 | 1987-11-19 | Merck Patent Gmbh | Kugelfoermige sio(pfeil abwaerts)2(pfeil abwaerts)-partikel |
US4940571A (en) * | 1988-04-01 | 1990-07-10 | Gte Laboratories Incorporated | Method of making large particle size, high purity dense silica |
US4983369A (en) * | 1989-11-22 | 1991-01-08 | Allied-Signal Inc. | Process for forming highly uniform silica spheres |
-
1992
- 1992-06-19 DE DE69227448T patent/DE69227448T2/de not_active Expired - Fee Related
- 1992-06-19 AT AT92810471T patent/ATE172695T1/de not_active IP Right Cessation
- 1992-06-19 EP EP92810471A patent/EP0574642B1/de not_active Expired - Lifetime
-
1993
- 1993-06-17 JP JP5172511A patent/JPH07277725A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH07277725A (ja) | 1995-10-24 |
EP0574642A1 (de) | 1993-12-22 |
EP0574642B1 (de) | 1998-10-28 |
DE69227448T2 (de) | 1999-07-01 |
ATE172695T1 (de) | 1998-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |