ES2554052B2 - Preparation process of silica fillers that prevents shrinkage of the latter by previously depositing a thin film of silica - Google Patents
Preparation process of silica fillers that prevents shrinkage of the latter by previously depositing a thin film of silica Download PDFInfo
- Publication number
- ES2554052B2 ES2554052B2 ES201400474A ES201400474A ES2554052B2 ES 2554052 B2 ES2554052 B2 ES 2554052B2 ES 201400474 A ES201400474 A ES 201400474A ES 201400474 A ES201400474 A ES 201400474A ES 2554052 B2 ES2554052 B2 ES 2554052B2
- Authority
- ES
- Spain
- Prior art keywords
- silica
- thin film
- thin
- preparation process
- fillers
- 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.)
- Active
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title abstract 12
- 239000000377 silicon dioxide Substances 0.000 title abstract 6
- 239000000945 filler Substances 0.000 title abstract 3
- 238000000151 deposition Methods 0.000 title abstract 2
- 239000010409 thin film Substances 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title 1
- 239000010408 film Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 229910052878 cordierite Inorganic materials 0.000 abstract 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 238000003786 synthesis reaction Methods 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Ink Jet (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Se describe el procedimiento de preparación de rellenos de sílice con estructura jerárquica (micro, meso y/o macroporosa) en el interior de diferentes soportes (monolitos de cordierita tipo panal de abeja, conducciones de acero inoxidable, tubos de vidrio y capilares de sílice fundida) de diferentes diámetros (entre 0.25 y 7.28 mm) evitando totalmente el encogimiento de los mismos y mejorando sus propiedades. Todo ello depositando previamente a la síntesis del relleno de sílice una película delgada de sílice. Modificando dicha película delgada (microporosa o mesoporosa) se modifican las propiedades del relleno, obteniéndose unos resultados muy satisfactorios en el caso de la película delgada mesoporosa en todos los soportes estudiados.The procedure for preparing silica fillers with a hierarchical structure (micro, meso and / or macroporous) inside different supports (honeycomb cordierite monoliths, stainless steel pipes, glass tubes and molten silica capillaries is described) ) of different diameters (between 0.25 and 7.28 mm) totally avoiding their shrinkage and improving their properties. All this by depositing a thin silica film prior to the synthesis of the silica filler. Modifying said thin film (microporous or mesoporous) modifies the properties of the filling, obtaining very satisfactory results in the case of the thin mesoporous film in all the supports studied.
Description
Claims (1)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201400474A ES2554052B2 (en) | 2014-06-12 | 2014-06-12 | Preparation process of silica fillers that prevents shrinkage of the latter by previously depositing a thin film of silica |
| PCT/ES2015/070583 WO2015189455A1 (en) | 2014-06-12 | 2015-07-28 | Method for producing silica fillers, which prevents shrinkage of the silica by means of the prior deposition of a thin silica film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201400474A ES2554052B2 (en) | 2014-06-12 | 2014-06-12 | Preparation process of silica fillers that prevents shrinkage of the latter by previously depositing a thin film of silica |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2554052A1 ES2554052A1 (en) | 2015-12-15 |
| ES2554052B2 true ES2554052B2 (en) | 2016-05-10 |
Family
ID=54782958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201400474A Active ES2554052B2 (en) | 2014-06-12 | 2014-06-12 | Preparation process of silica fillers that prevents shrinkage of the latter by previously depositing a thin film of silica |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES2554052B2 (en) |
| WO (1) | WO2015189455A1 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112004000906T5 (en) * | 2003-05-28 | 2006-10-19 | Waters Investments Ltd., New Castle | New nanocomposites and their application as monolithic columns |
-
2014
- 2014-06-12 ES ES201400474A patent/ES2554052B2/en active Active
-
2015
- 2015-07-28 WO PCT/ES2015/070583 patent/WO2015189455A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| ES2554052A1 (en) | 2015-12-15 |
| WO2015189455A1 (en) | 2015-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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