IT1048869B - Procedimento per la preparazione di silice finemente suddivisa mediante essicamento a spruzzo - Google Patents
Procedimento per la preparazione di silice finemente suddivisa mediante essicamento a spruzzoInfo
- Publication number
- IT1048869B IT1048869B IT69692/75A IT6969275A IT1048869B IT 1048869 B IT1048869 B IT 1048869B IT 69692/75 A IT69692/75 A IT 69692/75A IT 6969275 A IT6969275 A IT 6969275A IT 1048869 B IT1048869 B IT 1048869B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- preparation
- spray drying
- finally divided
- silica finally
- Prior art date
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 2
- 238000000034 method Methods 0.000 title 1
- 238000002360 preparation method Methods 0.000 title 1
- 239000000377 silicon dioxide Substances 0.000 title 1
- 238000001694 spray drying Methods 0.000 title 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
- C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
- C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/043—Drying, calcination
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
-
- 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
-
- 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
- C01P2006/90—Other properties not specified above
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752505191 DE2505191B2 (de) | 1975-02-07 | 1975-02-07 | Verfahren zur herstellung einer feinteiligen kieselsaeure durch spruehtrocknung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1048869B true IT1048869B (it) | 1980-12-20 |
Family
ID=5938364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT69692/75A IT1048869B (it) | 1975-02-07 | 1975-10-30 | Procedimento per la preparazione di silice finemente suddivisa mediante essicamento a spruzzo |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4224295A (OSRAM) |
| JP (1) | JPS5725489B2 (OSRAM) |
| BE (1) | BE838360A (OSRAM) |
| CA (1) | CA1061988A (OSRAM) |
| DE (1) | DE2505191B2 (OSRAM) |
| ES (1) | ES441618A1 (OSRAM) |
| FR (1) | FR2330645A1 (OSRAM) |
| GB (1) | GB1522685A (OSRAM) |
| IT (1) | IT1048869B (OSRAM) |
| NL (1) | NL176863C (OSRAM) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4303641A (en) | 1978-05-24 | 1981-12-01 | W. R. Grace & Co. | Hydrous silica gel containing dentifrice |
| JPS55170459U (OSRAM) * | 1979-05-24 | 1980-12-06 | ||
| JPS55162416A (en) * | 1979-06-07 | 1980-12-17 | Tokuyama Soda Co Ltd | Manufacture of basic silicic acid hydrate |
| DE3005137A1 (de) * | 1980-02-12 | 1981-08-20 | Degussa Ag, 6000 Frankfurt | Cerhaltige faellungskieselsaeure, verfahren zu deren herstellung, sowie zu elastomeren haertbare massen, die die cerhaltige faellungskieselsaeure enthalten |
| DE3545615C3 (de) * | 1984-12-28 | 1996-11-21 | Ppg Industries Inc | Verwendung von amorphem gefälltem Siliziumdioxid zum Verstärken von mikroporösen Trennelementen für Batterien |
| GB8610024D0 (en) * | 1986-04-24 | 1986-05-29 | Unilever Plc | Porous structures |
| FR2631620B1 (fr) * | 1988-05-19 | 1990-07-27 | Rhone Poulenc Chimie | Nouvelle silice precipitee absorbante et composition a base de cette s ilice |
| US6193795B1 (en) | 1993-08-02 | 2001-02-27 | Degussa Corporation | Low structure pyrogenic hydrophilic and hydrophobic metallic oxides, production and use |
| US5575950A (en) * | 1994-12-06 | 1996-11-19 | J. M. Huber Corporation | Silicate defoaming composition and methods |
| IL117915A (en) * | 1995-04-19 | 2001-05-20 | Ppg Ind Ohio Inc | Amorphous precipitated silica having large liquid carrying capacity |
| EP2923756B1 (en) | 2012-11-26 | 2018-05-30 | Braskem S.A. | Metallocene catalyst supported by hybrid supporting means, process for producing same, polymerization process for producing an ethylene homopolymer or copolymer with broad or bimodal molar mass distribution, use of the supported metallocene catalyst and ethylene polymer with broad or bimodal molar mass distribution |
| 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 |
| CN108698883A (zh) | 2015-12-18 | 2018-10-23 | 贺利氏石英玻璃有限两合公司 | 石英玻璃制备中的二氧化硅的喷雾造粒 |
| TWI733723B (zh) | 2015-12-18 | 2021-07-21 | 德商何瑞斯廓格拉斯公司 | 不透明石英玻璃體的製備 |
| WO2017103131A1 (de) | 2015-12-18 | 2017-06-22 | Heraeus Quarzglas Gmbh & Co. Kg | Verringern des erdalkalimetallgehalts von siliziumdioxidgranulat durch behandlung von kohlenstoffdotiertem siliziumdioxidgranulat bei hoher temperatur |
| CN109153593A (zh) | 2015-12-18 | 2019-01-04 | 贺利氏石英玻璃有限两合公司 | 合成石英玻璃粉粒的制备 |
| KR20180094087A (ko) | 2015-12-18 | 2018-08-22 | 헤래우스 크바르츠글라스 게엠베하 ＆ 컴파니 케이지 | 실리카 과립으로부터 실리카 유리 제품의 제조 |
| JP6940235B2 (ja) | 2015-12-18 | 2021-09-22 | 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 | 高融点金属の溶融坩堝内での石英ガラス体の調製 |
| EP3390303B1 (de) | 2015-12-18 | 2024-02-07 | Heraeus Quarzglas GmbH & Co. KG | Herstellung von quarzglaskörpern mit taupunktkontrolle im schmelzofen |
| WO2017103153A1 (de) | 2015-12-18 | 2017-06-22 | Heraeus Quarzglas Gmbh & Co. Kg | Glasfasern und vorformen aus quarzglas mit geringem oh-, cl- und al-gehalt |
| KR20180095619A (ko) | 2015-12-18 | 2018-08-27 | 헤래우스 크바르츠글라스 게엠베하 ＆ 컴파니 케이지 | 실리카 유리 제조 동안 규소 함량의 증가 |
| EP3954743A1 (de) | 2020-08-12 | 2022-02-16 | Evonik Operations GmbH | Verwendung von siliziumdioxid zur verbesserung der leitfähigkeit von beschichtungen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2578605A (en) * | 1947-11-01 | 1951-12-11 | Goodrich Co B F | Surface-treated silica |
| US2940830A (en) * | 1955-08-23 | 1960-06-14 | Columbia Southern Chem Corp | Method of preparing silica pigments |
| US3383172A (en) * | 1964-02-04 | 1968-05-14 | Degussa | Process for producing silica in the form of hollow spheres |
| US3281210A (en) * | 1964-12-30 | 1966-10-25 | Burke Jr | Silica pigments and preparation thereof |
| US4001379A (en) * | 1968-04-27 | 1977-01-04 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler | Process of making superfine amorphous high structural silicic acid |
| US4094771A (en) * | 1976-01-13 | 1978-06-13 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler | Process for preparation of a sprayable precipitated silicic acid suspension |
-
1975
- 1975-02-07 DE DE19752505191 patent/DE2505191B2/de not_active Ceased
- 1975-10-09 ES ES441618A patent/ES441618A1/es not_active Expired
- 1975-10-15 FR FR7531607A patent/FR2330645A1/fr active Granted
- 1975-10-20 NL NLAANVRAGE7512291,A patent/NL176863C/xx not_active IP Right Cessation
- 1975-10-27 GB GB44069/75A patent/GB1522685A/en not_active Expired
- 1975-10-30 IT IT69692/75A patent/IT1048869B/it active
- 1975-11-26 CA CA240,526A patent/CA1061988A/en not_active Expired
-
1976
- 1976-02-06 JP JP1216076A patent/JPS5725489B2/ja not_active Expired
- 1976-02-06 BE BE6045354A patent/BE838360A/xx not_active IP Right Cessation
-
1978
- 1978-06-15 US US05/916,020 patent/US4224295A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE838360A (fr) | 1976-08-06 |
| US4224295A (en) | 1980-09-23 |
| ES441618A1 (es) | 1977-04-01 |
| CA1061988A (en) | 1979-09-11 |
| JPS5725489B2 (OSRAM) | 1982-05-29 |
| DE2505191B2 (de) | 1977-08-18 |
| FR2330645A1 (fr) | 1977-06-03 |
| JPS51105999A (OSRAM) | 1976-09-20 |
| NL176863C (nl) | 1985-06-17 |
| NL7512291A (nl) | 1976-08-10 |
| DE2505191A1 (de) | 1976-08-26 |
| GB1522685A (en) | 1978-08-23 |
| NL176863B (nl) | 1985-01-16 |
| FR2330645B1 (OSRAM) | 1980-06-27 |
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