BE881534A - Procede de fabrication orientee d'acide silicique par hydrolyse dans la flamme et produits ainsi obtenus - Google Patents

Procede de fabrication orientee d'acide silicique par hydrolyse dans la flamme et produits ainsi obtenus

Info

Publication number: BE881534A
Authority: BE; Belgium
Prior art keywords: flame; hydrolysis; products; silicic acid; oriented
Prior art date: 1979-02-05

Application number

BE6/47072A

Other languages

English (en)

French (fr)

Original Assignee

Degussa

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.)

1979-02-05

Filing date

1980-02-04

Publication date

1980-08-04

1980-02-04 Application filed by Degussa filed Critical Degussa

1980-08-04 Publication of BE881534A publication Critical patent/BE881534A/fr

Links

230000007062 hydrolysis Effects 0.000 title abstract 2
238000006460 hydrolysis reaction Methods 0.000 title abstract 2
238000004519 manufacturing process Methods 0.000 title abstract 2
LRCFXGAMWKDGLA-UHFFFAOYSA-N dioxosilane;hydrate Chemical compound O.O=[Si]=O LRCFXGAMWKDGLA-UHFFFAOYSA-N 0.000 title 1
238000000034 method Methods 0.000 title 1
235000012239 silicon dioxide Nutrition 0.000 title 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
238000006243 chemical reaction Methods 0.000 abstract 1
239000011541 reaction mixture Substances 0.000 abstract 1
239000000377 silicon dioxide Substances 0.000 abstract 1
230000008719 thickening Effects 0.000 abstract 1

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)

BE6/47072A 1979-02-05 1980-02-04 Procede de fabrication orientee d'acide silicique par hydrolyse dans la flamme et produits ainsi obtenus BE881534A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19792904199 DE2904199A1 (de)	1979-02-05	1979-02-05	Verfahren zur gelenkten herstellung von kieselsaeure mittels flammenhydrolyse

Publications (1)

Publication Number	Publication Date
BE881534A true BE881534A (fr)	1980-08-04

Family

ID=6062146

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE6/47072A BE881534A (fr)	1979-02-05	1980-02-04	Procede de fabrication orientee d'acide silicique par hydrolyse dans la flamme et produits ainsi obtenus

Country Status (14)

Country	Link
EP (1)	EP0015315B1 (2)
JP (1)	JPS55104912A (2)
AT (2)	ATE4303T1 (2)
BE (1)	BE881534A (2)
BR (1)	BR8000517A (2)
CA (1)	CA1179477A (2)
CH (1)	CH642931A5 (2)
DE (2)	DE2904199A1 (2)
FR (1)	FR2447887A1 (2)
GB (1)	GB2044738B (2)
IT (1)	IT7969244A0 (2)
LU (1)	LU81909A1 (2)
NL (1)	NL7908270A (2)
SE (1)	SE8000877L (2)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3016010C2 (de) *	1980-04-25	1985-01-10	Degussa Ag, 6000 Frankfurt	Verfahren zur pyrogenen Herstellung von Kieselsäure
DE3028364C2 (de) *	1980-07-26	1983-07-21	Degussa Ag, 6000 Frankfurt	Verfahren und Vorrichtung zur pyrogenen Herstellung von Siliciumdioxid
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 (de) *	2001-12-22	2003-07-10	Degussa	Schicht erhalten aus einer wässerigen Dispersion enthaltend flammenhydrolytisch hergestelltes Silicium-Titan-Mischoxidpulver
DE10312970A1 (de) *	2003-03-24	2004-10-14	Degussa Ag	Pyrogenes Siliciumdioxidpulver und Dispersion hiervon
DE10326049A1 (de) *	2003-06-10	2004-12-30	Degussa Ag	Flammenhydrolytisch hergestelltes Siliciumdioxid, Verfahren zu seiner Herstellung und Verwendung
DE102005001408A1 (de) *	2005-01-12	2006-07-20	Degussa Ag	Pyrogen hergestelltes Siliciumdioxidpulver
EP3390290B1 (de)	2015-12-18	2023-03-15	Heraeus Quarzglas GmbH & Co. KG	Herstellung eines opaken quarzglaskörpers
US11952303B2 (en)	2015-12-18	2024-04-09	Heraeus Quarzglas Gmbh & Co. Kg	Increase in silicon content in the preparation of quartz glass
TWI794149B (zh)	2015-12-18	2023-03-01	德商何瑞斯廓格拉斯公司	石英玻璃粉粒、不透明成型體及彼等之製備方法
CN108698894A (zh)	2015-12-18	2018-10-23	贺利氏石英玻璃有限两合公司	在多腔式烘箱中制备石英玻璃体
WO2017103160A1 (de)	2015-12-18	2017-06-22	Heraeus Quarzglas Gmbh & Co. Kg	Herstellung von quarzglaskörpern aus siliziumdioxidgranulat
US11492282B2 (en)	2015-12-18	2022-11-08	Heraeus Quarzglas Gmbh & Co. Kg	Preparation of quartz glass bodies with dew point monitoring in the melting oven
US11053152B2 (en)	2015-12-18	2021-07-06	Heraeus Quarzglas Gmbh & Co. Kg	Spray granulation of silicon dioxide in the preparation of quartz glass
WO2017103115A2 (de)	2015-12-18	2017-06-22	Heraeus Quarzglas Gmbh & Co. Kg	Herstellung eines quarzglaskörpers in einem schmelztiegel aus refraktärmetall
US10676388B2 (en)	2015-12-18	2020-06-09	Heraeus Quarzglas Gmbh & Co. Kg	Glass fibers and pre-forms made of homogeneous quartz glass
JP7044454B2 (ja)	2015-12-18	2022-03-30	ヘレウスクワルツグラスゲーエムベーハーウントコンパニーカーゲー	石英ガラス調製時の中間体としての炭素ドープ二酸化ケイ素造粒体の調製
WO2025098830A1 (en)	2023-11-08	2025-05-15	Evonik Operations Gmbh	Process for producing pyrogenic metal oxides and metalloid oxides
WO2025098829A1 (en)	2023-11-08	2025-05-15	Evonik Operations Gmbh	Process for manufacturing metal oxides and/or metalloid oxides

Family Cites Families (12)

* Cited by examiner, † Cited by third party
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 (de) *	1941-12-03	1942-05-31	Hans Dr Preis	Verfahren und Vorrichtung zur Herstellung eines fein verteilten Oxydes derjenigen Elemente der Gruppe IVa des periodischen Systems, welche zur Bildung flüchtiger Chloride befähigt sind.
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 (de) *	1950-10-02	1961-04-13	Albrecht-Wolf Mantzel	Fahrzeugrad mit ringfoermigen, elastischen Zwischengliedern
BE508951A (2) *	1951-02-07
DE952891C (de) *	1954-01-23	1956-11-22	Degussa	Verfahren zur Herstellung von feinverteilten Metalloxyden und deren Gemischen
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 (fr) *	1971-10-28	1973-02-15	Degussa	Procede pour la fabrication d'oxydes finement
CH569670A5 (2) *	1972-09-15	1975-11-28	Lonza Ag

1979
- 1979-02-05 DE DE19792904199 patent/DE2904199A1/de not_active Withdrawn
- 1979-11-12 NL NL7908270A patent/NL7908270A/nl not_active Application Discontinuation
- 1979-11-19 LU LU81909A patent/LU81909A1/de unknown
- 1979-11-20 IT IT7969244A patent/IT7969244A0/it unknown
- 1979-12-04 EP EP79104898A patent/EP0015315B1/de not_active Expired
- 1979-12-04 AT AT79104898T patent/ATE4303T1/de not_active IP Right Cessation
- 1979-12-04 DE DE7979104898T patent/DE2966007D1/de not_active Expired
1980
- 1980-01-03 FR FR8000062A patent/FR2447887A1/fr active Granted
- 1980-01-28 BR BR8000517A patent/BR8000517A/pt unknown
- 1980-02-04 GB GB8003648A patent/GB2044738B/en not_active Expired
- 1980-02-04 CH CH88680A patent/CH642931A5/de not_active IP Right Cessation
- 1980-02-04 AT AT0060480A patent/ATA60480A/de not_active IP Right Cessation
- 1980-02-04 CA CA000344998A patent/CA1179477A/en not_active Expired
- 1980-02-04 BE BE6/47072A patent/BE881534A/fr not_active IP Right Cessation
- 1980-02-04 SE SE8000877A patent/SE8000877L/ not_active Application Discontinuation
- 1980-02-05 JP JP1215780A patent/JPS55104912A/ja active Granted

Also Published As

Publication number	Publication date
JPS55104912A (en)	1980-08-11
ATE4303T1 (de)	1983-08-15
BR8000517A (pt)	1980-10-14
FR2447887A1 (fr)	1980-08-29
EP0015315A1 (de)	1980-09-17
IT7969244A0 (it)	1979-11-20
GB2044738A (en)	1980-10-22
EP0015315B1 (de)	1983-07-27
FR2447887B1 (2)	1984-09-07
DE2904199A1 (de)	1980-08-07
NL7908270A (nl)	1980-08-07
LU81909A1 (de)	1980-04-22
ATA60480A (de)	1984-08-15
JPS6335567B2 (2)	1988-07-15
DE2966007D1 (en)	1983-09-01
GB2044738B (en)	1983-05-11
CA1179477A (en)	1984-12-18
SE8000877L (sv)	1980-08-06
CH642931A5 (de)	1984-05-15

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Legal Events

Date

Code

Title

Description

1985-08-31

RE

Patent lapsed

Owner name: DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS

Effective date: 19850204