CN102107898A - Method for synthesizing aluminum oxide powder - Google Patents
Method for synthesizing aluminum oxide powder Download PDFInfo
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- CN102107898A CN102107898A CN2009103124791A CN200910312479A CN102107898A CN 102107898 A CN102107898 A CN 102107898A CN 2009103124791 A CN2009103124791 A CN 2009103124791A CN 200910312479 A CN200910312479 A CN 200910312479A CN 102107898 A CN102107898 A CN 102107898A
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Abstract
The invention discloses a method for synthesizing aluminum oxide powder. The method comprises the following steps of: 1, mixing an aluminum-containing compound A, molten salt B and a template agent C uniformly to prepare raw materials; 2, reacting the raw materials at a high temperature for a certain time; and 3, performing water washing and desalination to obtain the aluminum oxide powder, wherein the aluminum-containing compound A is aluminum salt such as aluminum sulfate, or aluminium chloride, or polyaluminium chloride, or aluminium nitrate, or aluminium hydroxide, or aluminum oxide and the like; the molten salt B is one or a mixture of potassium sulfate, sodium sulfate, potassium chloride, sodium chloride, potassium molybdate, sodium molybdate, potassium tungstate and sodium tungstate and the using amount is not limited; if one of the potassium molybdate, the sodium molybdate, the potassium tungstate and the sodium tungstate serves as the molten salt, the template C is not used; the template C is one or a mixture of molybdenum trioxide, tungsten trioxide and vanadium pentoxide; and the high-temperature reaction is performed at the temperature of between 600 and 1,350 DEG C and the reaction time is 10 minutes to 10 hours. The method for synthesizing the aluminum oxide powder is low in production cost and has high controllability in appearance and granularity; and the aluminum oxide powder can be applied to coating as an additive.
Description
Technical field
The present invention relates to a kind of method of borolon powder.
Background technology
A-Al
2O
3Have high-melting-point, high rigidity, high strength, excellent properties such as corrosion-resistant.Be the ideal abrasive material, also can be used in coating and the printing ink also can be used for strongthener in the matrix material as additive, of many uses.Though the method for borolon powder is many, can realize at low cost that the pattern of controlled oxidation aluminium powder body and the synthetic method of granularity are left to be desired.
Summary of the invention
At the deficiencies in the prior art, technical problem to be solved of the present invention provides a kind of low cost and closes the aluminum oxide powder body method, and pattern and controllable granularity that this method synthetic is alumina powder jointed are better.
The method of borolon powder provided by the invention, its process can be expressed as:
Step 1, aluminum contained compound A and fused salt B and template C are mixed into raw material;
Step 2, raw material is at high temperature reacted certain hour;
Step 3, again by washing, desalination promptly obtains alumina powder jointed.
Aluminum contained compound A can be Tai-Ace S 150 or aluminium salt such as aluminum chloride or poly aluminium chloride or aluminum nitrate or aluminium hydroxide or aluminum oxide;
Fused salt B is a kind of or its mixture in vitriolate of tartar, sodium sulfate, Repone K, sodium-chlor, potassium molybdate, Sodium orthomolybdate, potassium wolframate, the sodium wolframate, and usage quantity is not limit; If when using in the fused salt a kind of in potassium molybdate, Sodium orthomolybdate, potassium wolframate, the sodium wolframate to make fused salt, then can not use template C.
Template C is that a kind of or mixing in molybdic oxide, tungstic oxide, the Vanadium Pentoxide in FLAKES is used;
Pyroreaction is between 600 Fei-1350 Fei, and the reaction times is 10 minutes-10 hours;
The method production cost of borolon powder provided by the invention is low, and alumina powder jointed pattern and controllable granularity are better, can access the alumina powder jointed of specific morphology, this method synthetic is alumina powder jointed to be widely used in coating and the printing ink as additive, also can be used for strongthener in the matrix material.
Embodiment
The method of borolon powder provided by the invention, its process can be expressed as:
Step 1, aluminum contained compound A and fused salt B and template C are mixed into raw material;
Step 2, raw material is at high temperature reacted certain hour;
Step 3, again by washing, desalination promptly obtains alumina powder jointed.
Aluminum contained compound A can be Tai-Ace S 150 or aluminium salt such as aluminum chloride or poly aluminium chloride or aluminum nitrate or aluminium hydroxide or aluminum oxide;
Fused salt B is a kind of or its mixture in vitriolate of tartar, sodium sulfate, Repone K, sodium-chlor, potassium molybdate, Sodium orthomolybdate, potassium wolframate, the sodium wolframate, and usage quantity is not limit; If when using in the fused salt a kind of in potassium molybdate, Sodium orthomolybdate, potassium wolframate, the sodium wolframate to make fused salt, then can not use template C.
Template C is that a kind of or mixing in molybdic oxide, tungstic oxide, the Vanadium Pentoxide in FLAKES is used;
Pyroreaction is between 1000 Fei-1350 Fei, and the reaction times is 10 minutes-10 hours.
Wherein, then need to be translated into earlier aluminium hydroxide or aluminum oxide as if using Tai-Ace S 150 or aluminum chloride or poly aluminium chloride or aluminum nitrate to be fused salt B.
Wherein aluminum contained compound A needs the Al that the conversion cost secondary response can get in theory
2O
3Calculate consumption proportion with template C, its consumption is the 0-30% of aluminum oxide meter quality.
Below by experimental example the present invention is described:
Embodiment 1: a kind of method of borolon powder, raw material mixes by following quality prescription
Vitriolate of tartar: 80
Potassium wolframate: 20
Aluminum oxide: 30
After 1 hour, cooling, washing desalination promptly get alpha-alumina crystals to material after mixing in 1200 Fei reaction.This alpha-alumina crystals good dispersity is shaped as polyhedron, is applicable to abrasive material or strongthener etc.
Embodiment 2: a kind of method of borolon powder, raw material mixes by following quality prescription
Sodium sulfate: 80
Molybdenum oxide 1
Aluminium hydroxide: 40
After 2 hours, cooling, washing desalination promptly get alpha-alumina crystals to material after mixing in 1100 Fei reaction.This alpha-alumina crystals good dispersity is shaped as hexagonal plate, is applicable to abrasive material, coating, printing ink or strongthener etc.
Embodiment 3: a kind of method of borolon powder, (be converted to Al with Tai-Ace S 150
2O
3Quality) with potassium wolframate (with Al
2O
3Quality equates) mixing solutions, under agitation add salt of wormwood or saleratus, accent pH is 5-8, after gained solidliquid mixture drying, the pulverizing, 1100 Fei reaction 2 hours, cools off, washes desalination again, promptly gets the particulate alumina crystal.This alpha-alumina crystals good dispersity is shaped as double hexagonal pyramid shape polyhedron, is applicable to abrasive material or strongthener etc.
Embodiment 4: a kind of method of borolon powder, raw material mixes by following quality prescription
Vitriolate of tartar: 80
Potassium wolframate 20
Aluminium hydroxide: 40
After 2 hours, cooling, washing desalination promptly get alpha-alumina crystals to material after mixing in 1250 Fei reaction.This alpha-alumina crystals good dispersity is shaped as polyhedron, is applicable to abrasive material, coating, printing ink or strongthener etc.
Embodiment 5: a kind of method of borolon powder, raw material mixes by following quality prescription
Sodium sulfate: 80
Tungsten oxide 99.999 1
Aluminium hydroxide: 40
After 2 hours, cooling, washing desalination promptly get alpha-alumina crystals to material after mixing in 1100 Fei reaction.This alpha-alumina crystals good dispersity is shaped as hexagonal plate, is applicable to abrasive material, coating, printing ink or strongthener etc.
Embodiment six: a kind of method of borolon powder, (be converted to Al at poly aluminium chloride
2O
3Quality) (quality is Al to add Tungsten oxide 99.999 in the solution
2O
3Quality 5%), under agitation add yellow soda ash or sodium bicarbonate, accent pH is 5-8, gained solidliquid mixture drying, pulverize after, 1100 Fei reaction 2 hours, cool off, wash desalination again, promptly get alpha-alumina crystals.This alpha-alumina crystals good dispersity is shaped as hexagonal plate, is applicable to abrasive material, coating, printing ink or strongthener etc.
Claims (6)
1. the method for a borolon powder, its process can be expressed as:
Step 1, aluminum contained compound and fused salt B and template C are mixed into raw material;
Step 2, raw material is at high temperature reacted certain hour;
Step 3, again by washing, desalination promptly obtains alumina powder jointed;
Aluminum contained compound can be Tai-Ace S 150 or aluminium salt such as aluminum chloride or poly aluminium chloride or aluminum nitrate or aluminium hydroxide or aluminum oxide;
Fused salt B is a kind of or its mixture in vitriolate of tartar, sodium sulfate, Repone K, sodium-chlor, potassium molybdate, Sodium orthomolybdate, potassium wolframate, the sodium wolframate, and usage quantity is not limit; If when using in the fused salt a kind of in potassium molybdate, Sodium orthomolybdate, potassium wolframate, the sodium wolframate to make fused salt, then can not use template C.
Template C is that a kind of or mixing in molybdic oxide, tungstic oxide, the Vanadium Pentoxide in FLAKES is used;
Pyroreaction is between 600 Fei-1350 Fei, and the reaction times is 10 minutes-10 hours.
2. the method for borolon powder according to claim 1 is characterized in that: as if using Tai-Ace S 150 or aluminum chloride or poly aluminium chloride or aluminum nitrate to be fused salt B, then need to be translated into earlier aluminium hydroxide or aluminum oxide.
3. the method for borolon powder according to claim 1 and 2 is characterized in that:: A1203 and template C that aluminum contained compound needs the conversion cost secondary response can get in theory calculate consumption proportion, and its consumption is the 0-30% of aluminum oxide meter quality.
4. the method for borolon powder according to claim 3, it is characterized in that: a kind of or its mixture with vitriolate of tartar, sodium sulfate, Repone K, sodium-chlor is fused salt B, with a kind of or its mixture in molybdic oxide, tungstic oxide, the Vanadium Pentoxide in FLAKES is template C, behind aluminum contained compound, fused salt B and template C mixing, put under the temperature environment between 1000 Fei-1350 Fei, reaction times is 10 minutes-10 hours, after the cooling, through the washing desalination, the hexagonal plate that obtains granularity narrow particle size distribution, controllable size is alumina powder jointed.
5. the method for borolon powder according to claim 3 is characterized in that: a kind of or its mixture with vitriolate of tartar, sodium sulfate, Repone K, sodium-chlor, potassium molybdate, Sodium orthomolybdate, potassium wolframate, sodium wolframate is a fused salt, and usage quantity is not limit; With behind aluminum contained compound, the fused salt B mixing between 1000 Fei-1350 Fei, the reaction times is 10 minutes-10 hours, after the cooling, through the washing desalination, the polyhedral that obtains narrow particle size distribution is alumina powder jointed.
6. the method for borolon powder according to claim 3 is characterized in that: a kind of or its mixture with vitriolate of tartar, sodium sulfate, Repone K, sodium-chlor, potassium molybdate, Sodium orthomolybdate, potassium wolframate, sodium wolframate is fused salt B, and usage quantity is not limit; To adopt the microwave mode heating behind aluminum contained compound, the fused salt B mixing, between temperature 600 Fei-1250 Fei, the reaction times is 10 minutes-2 hours, and after the cooling, through the washing desalination, the polyhedral that obtains narrow particle size distribution is alumina powder jointed.
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|---|---|---|---|
| CN2009103124791A CN102107898A (en) | 2009-12-29 | 2009-12-29 | Method for synthesizing aluminum oxide powder |
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| CN2009103124791A CN102107898A (en) | 2009-12-29 | 2009-12-29 | Method for synthesizing aluminum oxide powder |
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| CN105658715A (en) * | 2013-10-24 | 2016-06-08 | Dic株式会社 | Resin composition, heat-dissipating material, and heat-dissipating member |
| WO2018112810A1 (en) * | 2016-12-22 | 2018-06-28 | Dic Corporation | METHOD OF PRODUCING α-ALUMINA PARTICLES AND METHOD OF PRODUCING RESIN COMPOSITION |
| CN110642607A (en) * | 2019-10-17 | 2020-01-03 | 西安工程大学 | Method for preparing alumina porous ceramic by utilizing biological template method |
| CN111874930A (en) * | 2020-08-10 | 2020-11-03 | 南通江山农药化工股份有限公司 | Method for preparing low-iron ion nano alumina by gas phase method and product thereof |
| WO2021070729A1 (en) * | 2019-10-09 | 2021-04-15 | Dic株式会社 | Alumina particle production method |
| JPWO2020137875A1 (en) * | 2018-12-28 | 2021-11-25 | Dic株式会社 | Plate-shaped alumina particles, method for producing plate-shaped alumina particles, and resin composition. |
| CN114471687A (en) * | 2020-10-26 | 2022-05-13 | 中国石油化工股份有限公司 | Preparation method of bulk phase hydrocracking catalyst |
| KR20220079556A (en) * | 2019-10-09 | 2022-06-13 | 디아이씨 가부시끼가이샤 | Plate-shaped alumina particles and manufacturing method of plate-shaped alumina particles |
| CN116239134A (en) * | 2022-12-07 | 2023-06-09 | 雅安百图高新材料股份有限公司 | Treatment method of aluminum oxide calcined powder for heat conduction field |
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2009
- 2009-12-29 CN CN2009103124791A patent/CN102107898A/en active Pending
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| US10113096B2 (en) | 2013-10-24 | 2018-10-30 | Dic Corporation | Resin composition, heat-dissipating material, and heat-dissipating member |
| JP5975182B2 (en) * | 2013-10-24 | 2016-08-23 | Dic株式会社 | RESIN COMPOSITION, RESIN MOLDED BODY, HEAT-RELEASING MATERIAL AND HEAT-HEATING MEMBER |
| CN105658715B (en) * | 2013-10-24 | 2017-11-28 | Dic株式会社 | Resin combination, heat sink material and radiating component |
| CN105658715A (en) * | 2013-10-24 | 2016-06-08 | Dic株式会社 | Resin composition, heat-dissipating material, and heat-dissipating member |
| JP2019523745A (en) * | 2016-12-22 | 2019-08-29 | Dic株式会社 | Method for producing α-alumina particles and method for producing resin composition |
| CN110139833A (en) * | 2016-12-22 | 2019-08-16 | Dic株式会社 | The manufacturing method of alpha aluminium oxide particle and the manufacturing method of resin combination |
| WO2018112810A1 (en) * | 2016-12-22 | 2018-06-28 | Dic Corporation | METHOD OF PRODUCING α-ALUMINA PARTICLES AND METHOD OF PRODUCING RESIN COMPOSITION |
| JP7459801B2 (en) | 2018-12-28 | 2024-04-02 | Dic株式会社 | Plate-like alumina particles, method for producing plate-like alumina particles, and resin composition |
| JPWO2020137875A1 (en) * | 2018-12-28 | 2021-11-25 | Dic株式会社 | Plate-shaped alumina particles, method for producing plate-shaped alumina particles, and resin composition. |
| WO2021070729A1 (en) * | 2019-10-09 | 2021-04-15 | Dic株式会社 | Alumina particle production method |
| JP6892030B1 (en) * | 2019-10-09 | 2021-06-18 | Dic株式会社 | Alumina particle manufacturing method |
| KR102700306B1 (en) | 2019-10-09 | 2024-08-30 | 디아이씨 가부시끼가이샤 | Plate-shaped alumina particles and method for producing plate-shaped alumina particles |
| CN114514201A (en) * | 2019-10-09 | 2022-05-17 | Dic株式会社 | Method for producing alumina particles |
| KR20220079556A (en) * | 2019-10-09 | 2022-06-13 | 디아이씨 가부시끼가이샤 | Plate-shaped alumina particles and manufacturing method of plate-shaped alumina particles |
| CN110642607A (en) * | 2019-10-17 | 2020-01-03 | 西安工程大学 | Method for preparing alumina porous ceramic by utilizing biological template method |
| CN111874930A (en) * | 2020-08-10 | 2020-11-03 | 南通江山农药化工股份有限公司 | Method for preparing low-iron ion nano alumina by gas phase method and product thereof |
| CN114471687B (en) * | 2020-10-26 | 2023-10-10 | 中国石油化工股份有限公司 | Process for preparing bulk hydrocracking catalyst |
| CN114471687A (en) * | 2020-10-26 | 2022-05-13 | 中国石油化工股份有限公司 | Preparation method of bulk phase hydrocracking catalyst |
| CN116239134A (en) * | 2022-12-07 | 2023-06-09 | 雅安百图高新材料股份有限公司 | Treatment method of aluminum oxide calcined powder for heat conduction field |
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Application publication date: 20110629 |