SE8000877L - PROCEDURE FOR SUPERVISED PREPARATION OF SILICONE Dioxide THROUGH FLAME HYDRAULIC - Google Patents
PROCEDURE FOR SUPERVISED PREPARATION OF SILICONE Dioxide THROUGH FLAME HYDRAULICInfo
- Publication number
- SE8000877L SE8000877L SE8000877A SE8000877A SE8000877L SE 8000877 L SE8000877 L SE 8000877L SE 8000877 A SE8000877 A SE 8000877A SE 8000877 A SE8000877 A SE 8000877A SE 8000877 L SE8000877 L SE 8000877L
- Authority
- SE
- Sweden
- Prior art keywords
- supervised
- procedure
- preparation
- silicone dioxide
- flame
- Prior art date
Links
Classifications
-
- 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
- C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
- C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
-
- 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
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
The controlled production of silicas by flame hydrolysis in which the thickening effect may be adjusted independently of the specific BET- surface of the silica obtained is achieved by introducing additional steam either into the reaction mixture or into the reaction flame.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792904199 DE2904199A1 (en) | 1979-02-05 | 1979-02-05 | METHOD FOR THE GUIDED PRODUCTION OF SILICON BY MEANS OF FLAME HYDROLYSIS |
Publications (1)
Publication Number | Publication Date |
---|---|
SE8000877L true SE8000877L (en) | 1980-08-06 |
Family
ID=6062146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8000877A SE8000877L (en) | 1979-02-05 | 1980-02-04 | PROCEDURE FOR SUPERVISED PREPARATION OF SILICONE Dioxide THROUGH FLAME HYDRAULIC |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0015315B1 (en) |
JP (1) | JPS55104912A (en) |
AT (2) | ATE4303T1 (en) |
BE (1) | BE881534A (en) |
BR (1) | BR8000517A (en) |
CA (1) | CA1179477A (en) |
CH (1) | CH642931A5 (en) |
DE (2) | DE2904199A1 (en) |
FR (1) | FR2447887A1 (en) |
GB (1) | GB2044738B (en) |
IT (1) | IT7969244A0 (en) |
LU (1) | LU81909A1 (en) |
NL (1) | NL7908270A (en) |
SE (1) | SE8000877L (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3016010C2 (en) * | 1980-04-25 | 1985-01-10 | Degussa Ag, 6000 Frankfurt | Process for the pyrogenic production of silica |
DE3028364C2 (en) * | 1980-07-26 | 1983-07-21 | Degussa Ag, 6000 Frankfurt | Process and apparatus for the pyrogenic production of silicon dioxide |
JPS5788020A (en) * | 1980-11-14 | 1982-06-01 | Ube Ind Ltd | Manufacture of very finely grained anhydrous silica |
GB8905966D0 (en) * | 1989-03-15 | 1989-04-26 | Tsl Group Plc | Improved vitreous silica products |
DE10163939A1 (en) * | 2001-12-22 | 2003-07-10 | Degussa | Layer obtained from an aqueous dispersion containing flame-hydrolytically produced silicon-titanium mixed oxide powder |
DE10312970A1 (en) * | 2003-03-24 | 2004-10-14 | Degussa Ag | Fumed silica powder and dispersion thereof |
DE10326049A1 (en) * | 2003-06-10 | 2004-12-30 | Degussa Ag | Flame hydrolytically produced silicon dioxide, process for its production and use |
DE102005001408A1 (en) * | 2005-01-12 | 2006-07-20 | Degussa Ag | Pyrogenic silica powder |
EP3390303B1 (en) | 2015-12-18 | 2024-02-07 | Heraeus Quarzglas GmbH & Co. KG | Production of quartz glass bodies with dewpoint control in a melting furnace |
TWI840318B (en) | 2015-12-18 | 2024-05-01 | 德商何瑞斯廓格拉斯公司 | Quartz glass body, light guide, illuminant, formed body, and process for preparing the same, and use of silicon component |
TWI794149B (en) | 2015-12-18 | 2023-03-01 | 德商何瑞斯廓格拉斯公司 | Quartz glass grain, opaque formed body and process for preparing the same |
EP3390290B1 (en) | 2015-12-18 | 2023-03-15 | Heraeus Quarzglas GmbH & Co. KG | Production of an opaque quartz glass body |
EP3390296B1 (en) | 2015-12-18 | 2024-09-04 | Heraeus Quarzglas GmbH & Co. KG | Production of a quartz glass body in a multichamber furnace |
KR20180095622A (en) | 2015-12-18 | 2018-08-27 | 헤래우스 크바르츠글라스 게엠베하 & 컴파니 케이지 | Manufacture of Silica Glass Products from Molten Crucibles Made of Refractory Metals |
TWI808933B (en) | 2015-12-18 | 2023-07-21 | 德商何瑞斯廓格拉斯公司 | Quartz glass body, silicon dioxide granulate, light guide, illuminant, and formed body, and process for preparing the same |
US11492285B2 (en) | 2015-12-18 | 2022-11-08 | Heraeus Quarzglas Gmbh & Co. Kg | Preparation of quartz glass bodies from silicon dioxide granulate |
EP3390308B1 (en) | 2015-12-18 | 2024-08-28 | Heraeus Quarzglas GmbH & Co. KG | Glass fibres of quartz glass with low oh, cl and al contents |
KR20180095879A (en) | 2015-12-18 | 2018-08-28 | 헤래우스 크바르츠글라스 게엠베하 & 컴파니 케이지 | Treating the carbon-doped silica granules at elevated temperatures to reduce the alkaline earth metal content of the silica granules |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1967235A (en) * | 1931-09-08 | 1934-07-24 | Karl A Ferkel | Method and apparatus for production of metal oxides |
CH221309A (en) * | 1941-12-03 | 1942-05-31 | Hans Dr Preis | Process and device for the production of a finely divided oxide of those elements of group IVa of the periodic table which are capable of forming volatile chlorides. |
US2488440A (en) * | 1946-11-30 | 1949-11-15 | Du Pont | Titanium dioxide pigment production |
US3130008A (en) * | 1949-11-23 | 1964-04-21 | Cabot Corp | Method of preparing metallic oxides by hydrolysis of metallic halides |
DE974723C (en) * | 1950-10-02 | 1961-04-13 | Albrecht-Wolf Mantzel | Vehicle wheel with ring-shaped, elastic intermediate links |
BE508951A (en) * | 1951-02-07 | |||
DE952891C (en) * | 1954-01-23 | 1956-11-22 | Degussa | Process for the production of finely divided metal oxides and mixtures thereof |
US2990249A (en) * | 1958-10-09 | 1961-06-27 | Degussa | Process of preparing finely divided oxides by hydrolysis |
GB1211702A (en) * | 1966-12-08 | 1970-11-11 | Unilever Ltd | Fine particles |
US3660025A (en) * | 1970-07-01 | 1972-05-02 | Cities Service Co | Manufacture of pigmentary silica |
BE790704A (en) * | 1971-10-28 | 1973-02-15 | Degussa | PROCESS FOR THE MANUFACTURE OF OXIDES FINE |
CH569670A5 (en) * | 1972-09-15 | 1975-11-28 | Lonza Ag |
-
1979
- 1979-02-05 DE DE19792904199 patent/DE2904199A1/en not_active Withdrawn
- 1979-11-12 NL NL7908270A patent/NL7908270A/en not_active Application Discontinuation
- 1979-11-19 LU LU81909A patent/LU81909A1/en unknown
- 1979-11-20 IT IT7969244A patent/IT7969244A0/en unknown
- 1979-12-04 AT AT79104898T patent/ATE4303T1/en not_active IP Right Cessation
- 1979-12-04 DE DE7979104898T patent/DE2966007D1/en not_active Expired
- 1979-12-04 EP EP79104898A patent/EP0015315B1/en not_active Expired
-
1980
- 1980-01-03 FR FR8000062A patent/FR2447887A1/en active Granted
- 1980-01-28 BR BR8000517A patent/BR8000517A/en unknown
- 1980-02-04 CH CH88680A patent/CH642931A5/en not_active IP Right Cessation
- 1980-02-04 SE SE8000877A patent/SE8000877L/en not_active Application Discontinuation
- 1980-02-04 BE BE6/47072A patent/BE881534A/en not_active IP Right Cessation
- 1980-02-04 GB GB8003648A patent/GB2044738B/en not_active Expired
- 1980-02-04 AT AT0060480A patent/ATA60480A/en not_active IP Right Cessation
- 1980-02-04 CA CA000344998A patent/CA1179477A/en not_active Expired
- 1980-02-05 JP JP1215780A patent/JPS55104912A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
ATA60480A (en) | 1984-08-15 |
DE2904199A1 (en) | 1980-08-07 |
JPS55104912A (en) | 1980-08-11 |
IT7969244A0 (en) | 1979-11-20 |
FR2447887A1 (en) | 1980-08-29 |
ATE4303T1 (en) | 1983-08-15 |
CA1179477A (en) | 1984-12-18 |
BE881534A (en) | 1980-08-04 |
FR2447887B1 (en) | 1984-09-07 |
EP0015315A1 (en) | 1980-09-17 |
JPS6335567B2 (en) | 1988-07-15 |
DE2966007D1 (en) | 1983-09-01 |
GB2044738A (en) | 1980-10-22 |
BR8000517A (en) | 1980-10-14 |
GB2044738B (en) | 1983-05-11 |
CH642931A5 (en) | 1984-05-15 |
EP0015315B1 (en) | 1983-07-27 |
NL7908270A (en) | 1980-08-07 |
LU81909A1 (en) | 1980-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8000877-4 |