FR2688420A1 - Poudre d'oxyde finement divisee. - Google Patents
Poudre d'oxyde finement divisee. Download PDFInfo
- Publication number
- FR2688420A1 FR2688420A1 FR9302678A FR9302678A FR2688420A1 FR 2688420 A1 FR2688420 A1 FR 2688420A1 FR 9302678 A FR9302678 A FR 9302678A FR 9302678 A FR9302678 A FR 9302678A FR 2688420 A1 FR2688420 A1 FR 2688420A1
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- FR
- France
- Prior art keywords
- oxide powder
- suspension
- powder according
- coating
- spray drying
- 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.)
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- 239000000843 powder Substances 0.000 title claims abstract description 62
- 239000011248 coating agent Substances 0.000 claims abstract description 38
- 238000000576 coating method Methods 0.000 claims abstract description 34
- 239000002245 particle Substances 0.000 claims abstract description 27
- 230000036571 hydration Effects 0.000 claims abstract description 24
- 238000006703 hydration reaction Methods 0.000 claims abstract description 24
- 238000001694 spray drying Methods 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims abstract description 16
- 239000007900 aqueous suspension Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims abstract description 5
- 239000011777 magnesium Substances 0.000 claims abstract description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 4
- 238000000265 homogenisation Methods 0.000 claims abstract 2
- 238000002360 preparation method Methods 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 229920003169 water-soluble polymer Polymers 0.000 claims 1
- 238000001238 wet grinding Methods 0.000 claims 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 17
- 239000000395 magnesium oxide Substances 0.000 description 16
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 15
- 239000011449 brick Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- SLXKOJJOQWFEFD-UHFFFAOYSA-N 6-aminohexanoic acid Chemical compound NCCCCCC(O)=O SLXKOJJOQWFEFD-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229960002684 aminocaproic acid Drugs 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000003125 aqueous solvent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 150000002889 oleic acids Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
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- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
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- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/145—After-treatment of oxides or hydroxides, e.g. pulverising, drying, decreasing the acidity
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
- C04B2235/726—Sulfur content
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0045892A AT398967B (de) | 1992-03-10 | 1992-03-10 | Verfahren zur herstellung eines feinteiligen oxidpulvers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2688420A1 true FR2688420A1 (fr) | 1993-09-17 |
Family
ID=3491167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9302678A Pending FR2688420A1 (fr) | 1992-03-10 | 1993-03-09 | Poudre d'oxyde finement divisee. |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT398967B (enrdf_load_stackoverflow) |
| DE (1) | DE4306234C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2688420A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2264939B (enrdf_load_stackoverflow) |
| IT (1) | IT1270867B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9415562D0 (en) * | 1994-08-02 | 1994-09-21 | Dytech Corp Ltd | Ceramic articles |
| DE10058077B4 (de) * | 2000-11-23 | 2008-05-08 | Schott Ag | Verwendung von beschichteten Teilchen |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0041158A1 (de) * | 1980-06-02 | 1981-12-09 | Chemie Linz Aktiengesellschaft | Füllstoff für Papier, Karton oder Pappe, ein Verfahren zu dessen Herstellung und Papier, Karton oder Pappe |
| JPS60200824A (ja) * | 1984-03-27 | 1985-10-11 | Shin Nippon Kagaku Kogyo Co Ltd | マグネシア及びその製造方法 |
| EP0354896A2 (de) * | 1988-08-10 | 1990-02-14 | Veitscher Magnesitwerke-Actien-Gesellschaft | Magnesiumoxid in Form eines feinen Pulvers und seine Verwendung |
| JPH0350120A (ja) * | 1989-07-18 | 1991-03-04 | Ishihara Sangyo Kaisha Ltd | 二酸化チタン顔料粉末の製造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU711023A1 (ru) * | 1976-12-07 | 1980-01-25 | Украинский научно-исследовательский институт огнеупоров | Способ гранулировани порошков |
| SE7900812L (sv) * | 1979-01-30 | 1980-07-31 | Magnusson R C G | Anordning vid elektrokemiska ackumulatorceller |
| DE3719825A1 (de) * | 1987-06-13 | 1988-12-29 | Kernforschungsz Karlsruhe | Verfahren zur herstellung von keramikpulvern und vorrichtung zur durchfuehrung desselben |
| CA1273647A (en) * | 1987-08-19 | 1990-09-04 | Jean V. Sang | Production of ceramic powders by emulsion precipitation processes and the products thereof |
| JPS6475030A (en) * | 1987-09-14 | 1989-03-20 | Asahi Optical Co Ltd | Production of spherical ceramic particles |
| DE3840316C1 (enrdf_load_stackoverflow) * | 1988-11-30 | 1990-04-19 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe, De | |
| DE3932166A1 (de) * | 1989-09-27 | 1991-04-04 | Bayer Ag | Eisenoxidrot- und eisenoxidbraun-mikrogranulate, verfahren zu ihrer herstellung sowie deren verwendung |
-
1992
- 1992-03-10 AT AT0045892A patent/AT398967B/de not_active IP Right Cessation
-
1993
- 1993-02-27 DE DE4306234A patent/DE4306234C2/de not_active Expired - Fee Related
- 1993-03-09 FR FR9302678A patent/FR2688420A1/fr active Pending
- 1993-03-10 IT ITMI930464A patent/IT1270867B/it active IP Right Grant
- 1993-03-10 GB GB9304891A patent/GB2264939B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0041158A1 (de) * | 1980-06-02 | 1981-12-09 | Chemie Linz Aktiengesellschaft | Füllstoff für Papier, Karton oder Pappe, ein Verfahren zu dessen Herstellung und Papier, Karton oder Pappe |
| JPS60200824A (ja) * | 1984-03-27 | 1985-10-11 | Shin Nippon Kagaku Kogyo Co Ltd | マグネシア及びその製造方法 |
| EP0354896A2 (de) * | 1988-08-10 | 1990-02-14 | Veitscher Magnesitwerke-Actien-Gesellschaft | Magnesiumoxid in Form eines feinen Pulvers und seine Verwendung |
| AT392464B (de) * | 1988-08-10 | 1991-04-10 | Veitscher Magnesitwerke Ag | Magnesiumoxid in form eines feinen pulvers und seine verwendung |
| JPH0350120A (ja) * | 1989-07-18 | 1991-03-04 | Ishihara Sangyo Kaisha Ltd | 二酸化チタン顔料粉末の製造方法 |
Non-Patent Citations (3)
| Title |
|---|
| CHEMICAL ABSTRACTS, vol. 104, no. 22, 2 June 1986, Columbus, Ohio, US; abstract no. 189189y, page 162; * |
| DATABASE WPI Week 9115, Derwent World Patents Index; AN 91-106963 * |
| PATENT ABSTRACTS OF JAPAN vol. 15, no. 193 (C - 832) 17 May 1991 (1991-05-17) * |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2264939A (en) | 1993-09-15 |
| ITMI930464A1 (it) | 1994-09-10 |
| GB9304891D0 (en) | 1993-04-28 |
| ITMI930464A0 (it) | 1993-03-10 |
| IT1270867B (it) | 1997-05-13 |
| AT398967B (de) | 1995-02-27 |
| ATA45892A (de) | 1994-07-15 |
| DE4306234A1 (enrdf_load_stackoverflow) | 1993-09-16 |
| GB2264939B (en) | 1995-08-09 |
| DE4306234C2 (de) | 1995-09-07 |
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