Method for preparing high-closed-porosity aluminium oxide-aluminium phosphate ceramic
An aluminum phosphate ceramic and porous alumina technology, which is applied in ceramic products, household appliances, other household appliances, etc., can solve the problems of limited increase of closed-cell aluminum, can not effectively reduce open porosity, etc. Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0012] Dissolve aluminum dihydrogen phosphate and aluminum nitrate in water according to a molar ratio of 1:2 to prepare a mixed solution of aluminum dihydrogen phosphate with a solubility of 0.05 M and aluminum nitrate with a solubility of 0.1 M; prepare it at room temperature The solution is dripped onto the surface of the porous alumina ceramic until the porous alumina ceramic reaches adsorption saturation. The open porosity of the porous alumina ceramic is about 60%, and the closed porosity is about 5%; it is dried and adsorbed at 50℃. The porous alumina ceramic of the solution, the drying time is 48 hours; the surface of the dried porous alumina ceramic forms a thin layer containing aluminum dihydrogen phosphate and aluminum nitrate; the dried product is exposed to the air at a rate of 20 ℃ / min Heat to 300 ℃, then heat at a rate of 5 ℃ / min to 700 ℃ and keep it for 2 hours, then heat at a rate of 5 ℃ / min to 1150 ℃ and keep it for 2 hours, then at a rate of 5 ℃ / min Speed c...
Embodiment 2
[0014] Dissolve aluminum dihydrogen phosphate and aluminum nitrate in water according to a molar ratio of 1:2 to prepare a mixed solution of aluminum dihydrogen phosphate with a solubility of 0.05 M and aluminum nitrate with a solubility of 0.1 M; prepare it at room temperature The solution is dripped onto the surface of the porous alumina ceramic until the porous alumina ceramic reaches adsorption saturation. The open porosity of the porous alumina ceramic is about 50% and the closed porosity is about 7%; the mixed solution is dried and adsorbed at 50°C The drying time of porous alumina ceramics is 48 hours; the surface of the dried porous alumina ceramics forms a thin layer containing aluminum dihydrogen phosphate and aluminum nitrate; the dried product is heated at a rate of 20 ℃ / min in the atmosphere Heat to 300 ℃, then heat at a rate of 5 ℃ / min to 700 ℃ and keep it for 2 hours, then heat at a rate of 5 ℃ / min to 1150 ℃ and keep it for 2 hours, then at a rate of 5 ℃ / min Cool...
Embodiment 3
[0016] Dissolve aluminum dihydrogen phosphate and aluminum nitrate in water at a molar ratio of 1:2 to prepare a mixed solution of aluminum dihydrogen phosphate with a solubility of 0.05 M and aluminum nitrate with a solubility of 0.1 M; prepare the prepared solution at room temperature The solution is dropped on the surface of the porous alumina ceramic until the porous alumina ceramic reaches adsorption saturation. The open porosity of the porous alumina ceramic is about 40% and the closed porosity is about 8%; the mixed solution is dried and adsorbed at 50°C The drying time of porous alumina ceramics is 48 hours; the surface of the dried porous alumina ceramics forms a layer containing aluminum dihydrogen phosphate and aluminum nitrate; the dried product is heated at a rate of 20 ℃ / min in the atmosphere Heat to 300 ℃, then heat at a rate of 5 ℃ / min to 700 ℃ and keep it for 2 hours, then heat at a rate of 5 ℃ / min to 1150 ℃ and keep it for 2 hours, then at a rate of 5 ℃ / min Co...
PUM
Property | Measurement | Unit |
---|---|---|
porosity | aaaaa | aaaaa |
porosity | aaaaa | aaaaa |
porosity | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com