CN101792259A - Mesoporous aluminum phosphate glass with high specific surface area and preparation method thereof - Google Patents
Mesoporous aluminum phosphate glass with high specific surface area and preparation method thereof Download PDFInfo
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- CN101792259A CN101792259A CN 201010126593 CN201010126593A CN101792259A CN 101792259 A CN101792259 A CN 101792259A CN 201010126593 CN201010126593 CN 201010126593 CN 201010126593 A CN201010126593 A CN 201010126593A CN 101792259 A CN101792259 A CN 101792259A
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- glass
- surface area
- specific surface
- mesoporous
- aluminum phosphate
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- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 title claims abstract description 40
- 239000005365 phosphate glass Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 35
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 235000011007 phosphoric acid Nutrition 0.000 claims abstract description 12
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 9
- 229940001007 aluminium phosphate Drugs 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 16
- 238000005245 sintering Methods 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- 229910052593 corundum Inorganic materials 0.000 claims description 7
- 239000010431 corundum Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 7
- 229910017119 AlPO Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 abstract description 6
- 239000002243 precursor Substances 0.000 abstract description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract 1
- 238000001879 gelation Methods 0.000 abstract 1
- 230000009477 glass transition Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- VXYADVIJALMOEQ-UHFFFAOYSA-K tris(lactato)aluminium Chemical compound CC(O)C(=O)O[Al](OC(=O)C(C)O)OC(=O)C(C)O VXYADVIJALMOEQ-UHFFFAOYSA-K 0.000 abstract 1
- 239000011148 porous material Substances 0.000 description 7
- 239000000990 laser dye Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000007669 thermal treatment Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000000975 dye Substances 0.000 description 3
- 230000005693 optoelectronics Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000002336 sorption--desorption measurement Methods 0.000 description 2
- 238000002411 thermogravimetry Methods 0.000 description 2
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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Abstract
A mesoporous aluminium phosphate glass with high specific surface area and its preparing process, the glass contains AlPO4The preparation method comprises the following steps: aluminum lactate and orthophosphoric acid are taken as precursors and dissolved in deionized water, then ammonia water is used for adjusting the pH value to be between 2.00 and 4.00, the mixture is kept stand at room temperature for gelation, and the gel is dried by an oven and then is thermally treated in a muffle furnace to obtain the mesoporous aluminum phosphate glass. The test shows that: the glass has a glass transition temperature TgThe specific surface area S is more than or equal to 1000 DEG CBET＞400m2G, average mesopore diameter dpThe glass is mesoporous glass with high specific surface area, which is 2.0-8.0 nm.
Description
Technical field
The present invention relates to glass, especially a kind of mesoporous aluminum phosphate glass with large specific surface area and preparation method thereof.
Background technology
Aluminum phosphate material is widely used in the petroleum industry, is oil decomposition, alkanisation and hydrocarbonylation custom catalysts, also is the excellent carriers of catalyzer such as nickel or vanadium.Common aluminum phosphate material is mesoporous aluminium phosphate molecular sieve, extensively applies to ion-exchange and sorbent material, but aluminium phosphate molecular sieve usually is the dispersive powder, can't satisfy the utilization of optics aspect.Consider that mesoporous aluminum phosphate material possesses outstanding chemical stability, therefore low specific refraction and high-temperature stability probably are used in the relevant field of photoelectron, as the dyestuff gain carrier of solid state dye laser, in transmitter and the optical communication.Especially utilization is the laser dyes carrier, and mesoporous aluminum phosphate glass not only possesses the network structure of similar porous silicon, and optical homogeneity and perviousness are with the neutral Si of mesoporous silex glass
4+Compare AlPO
4Al in the mesoporous glass
3+(and P
5+) with feminine gender (and positive) group in the laser dyes molecule stronger bonding tendency is arranged, more help laser dyes and AlPO
4Mesoporous carrier bonding is reunited thereby reduce dye molecule, may the more mesoporous silex glass solid support material as some laser dyess preferably.
Traditional scorification prepares aluminum phosphate glass need be up to more than 1500 ℃, and can only be in a very narrow compositing range, such as the AlPO with significant application value
4(be 50Al
2O
3-50P
2O
5) glass since very easily crystallization just can not prepare by traditional scorification.Simultaneously, traditional scorification can't prepare the little mesoporous glass of high-specific surface area.In recent years, to explore the different synthesising mesoporous aluminum phosphate glass of presoma be effective way to the utilization sol-gel process.Through contriver retrieval, found that people such as Campelo is a presoma with aluminum isopropylate and phosphoric acid ester, the synthetic amorphous mesoporous aluminum phosphate of utilization sol-gel method, but this aluminum phosphate poor optical properties, specific surface area is 250m to the maximum
2/ g, and final consist of heterogeneously, comprise AlPO
4, Al
2O
3And Al (PO
3)
3Etc. phase, lack of homogeneity is difficult to satisfy the application of high temperature catalyst and support of the catalyst, is difficult to satisfy the utilization of optoelectronic areas, particularly can not be as the carrier of laser dyes.Therefore, develop and a kind ofly possess the good mesoporous aluminum phosphate glass of optical homogeneity and be used in catalyzer probably widely, support of the catalyst and optoelectronic areas may become the carrier of outstanding laser dyes especially very much.
Summary of the invention
The object of the present invention is to provide a kind of mesoporous aluminum phosphate glass with large specific surface area and preparation method thereof.This mesoporous aluminum phosphate glass has high glass transformation temperature, high stability, high-specific surface area and mesoporous aperture.The carrier that this glass can be used as a kind of laser dyes and catalyzer is used in optoelectronic areas.
The technology of the present invention solution is as follows:
A kind of mesoporous aluminum phosphate glass with large specific surface area, its characteristics are: this glass consist of AlPO
4, the mol ratio of aluminium and phosphorus is 1: 1, glass is water white, specific surface area＞400m
2/ g, the scope of average mesoporous diameter is 2.0～8.0nm.
The preparation method of described mesoporous aluminum phosphate glass with large specific surface area, its characteristics are, comprise the steps:
1. at room temperature dispose Aluctyl and ortho-phosphoric acid (H
3PO
4) mixed aqueous solution, wherein Aluctyl and ortho-phosphoric mol ratio are 1: 1, the concentration range of Aluctyl and ortho-phosphoric strength of solution scope are 0.05～0.2mol/L;
2. adopt weak ammonia to regulate the pH of described mixed aqueous solution, its pH scope is 2.00～4.00;
3. at room temperature, stirred at least 2 hours described mixed aqueous solution;
4. the mixed aqueous solution after will stirring is transferred in the glass surface ware with cover, leaves standstill under the room temperature 1～14 day;
5. the mixed aqueous solution after will leaving standstill is put into baking oven and was obtained dried sample in dry 1～8 day, and drying temperature is 50～100 ℃;
6. dried sample is placed corundum crucible, in retort furnace, carry out sintering, sintering process is: slowly be warming up to sintering temperature from room temperature with the speed of 0.5～2 ℃/min, sintering range is 500 ℃ to 800 ℃, and insulation can obtain the aluminium phosphate mesoporous glass of water white transparency high-specific surface area more than 6 hours under sintering temperature.
Described Aluctyl raw material adopts market with Aluctyl or analytical pure powder, and ortho-phosphoric acid solution adopts strong phosphoric acid to be diluted to 0.5～2mol/L.
It is that 25% strong aqua is diluted to 0.5～4mol/L. that described weak ammonia adopts mass ratio
Prepared glass shows after tested: this glass has glass transformation temperature T
g〉=1000 ℃, specific surface area S
BET＞400m
2/ g and average mesoporous diameter d
p=2.0～8.0nm illustrates that this glass is the mesoporous glass of high-specific surface area.
Description of drawings
Fig. 1 is the thermogravimetric analysis collection of illustrative plates of mesoporous aluminum phosphate glass with large specific surface area of the present invention.
Fig. 2 is the nitrogen adsorption-desorption curve of mesoporous aluminum phosphate glass with large specific surface area of the present invention.
Fig. 3 is the mesoporous pore size distribution curve of mesoporous aluminum phosphate glass with large specific surface area of the present invention.
Embodiment
The invention will be further described below in conjunction with embodiment, but should not limit protection scope of the present invention with this.
The invention will be further described below in conjunction with embodiment, but can not once limit protection scope of the present invention.
Embodiment 1:
According to technical scheme of the present invention, respectively the 0.004mol Aluctyl is added in the 16ml deionized water, under magnetic stirrer, add the ortho-phosphoric acid solution of 0.004mol.Regulate pH=2.40 with the weak ammonia of 0.50mol/L again, used magnetic stirrer then 2 hours.Solution after stirring is transferred in the watch-glass, at room temperature left standstill 1 day, be transferred to dry 2 weeks in 50 ℃ of baking ovens then.Dried sample is put thermal treatment to the retort furnace with corundum crucible, is warming up to 600 ℃ from room temperature with the rate of heating of 0.5 ℃/min, and 600 ℃ down insulation can obtain water white mesoporous aluminum phosphate glass in 6 hours.Analyzing its specific surface area with Brunauer-Emmett-Teller (the following BET that all is called for short) specific surface area measuring instrument is 464m
2/ g, mesoporous mean pore size is 3.74nm.Fig. 1 is the thermogravimetric analysis collection of illustrative plates-Thermal Gravity analysis (TG) and dsc-Differential Scanning Calorimetry (DSC) curve of mesoporous aluminum phosphate glass with large specific surface area embodiment 1 sample of the present invention.
Fig. 2 is the nitrogen adsorption-desorption curve (sample of embodiment 1) of mesoporous aluminum phosphate glass with large specific surface area of the present invention.
Fig. 3 is the mesoporous pore size distribution curve of mesoporous aluminum phosphate glass with large specific surface area of the present invention.
Embodiment 2:
According to technical scheme of the present invention, respectively the 0.004mol Aluctyl is added in the 24ml deionized water, under magnetic stirrer, add the ortho-phosphoric acid solution of 0.004mol.Regulate pH=2.8 with the weak ammonia of 1.0mol/L again, used magnetic stirrer then 4 hours.Solution after stirring is transferred in the watch-glass, at room temperature left standstill 2 days, be transferred to then in 70 ℃ of baking ovens dry 4 days.Dried sample is put thermal treatment to the retort furnace with corundum crucible, is warming up to 650 ℃ from room temperature with the rate of heating of 1 ℃/min, and 650 ℃ down insulation can obtain water white mesoporous aluminum phosphate glass in 8 hours.Analyzing its specific surface area with the BET specific surface area measuring instrument is 426m
2/ g, mesoporous mean pore size is 3.62nm.
Embodiment 3:
According to technical scheme of the present invention, respectively the 0.004mol Aluctyl is added in the 32ml deionized water, under magnetic stirrer, add the ortho-phosphoric acid solution of 0.004mol.Regulate pH=3.0 with the weak ammonia of 1.5mol/L again, used magnetic stirrer then 8 hours.Solution after stirring is transferred in the watch-glass, at room temperature left standstill 4 days, be transferred to dry 1 week in 85 ℃ of baking ovens then.Dried sample is put thermal treatment to the retort furnace with corundum crucible, is warming up to 700 ℃ from room temperature with the rate of heating of 1.5 ℃/min, and 700 ℃ down insulation can obtain water white mesoporous aluminum phosphate glass in 10 hours.Analyzing its specific surface area with the BET specific surface area measuring instrument is 406m
2/ g, mesoporous mean pore size is 5.24nm.
Embodiment 4:
According to technical scheme of the present invention, respectively the 0.004mol Aluctyl is added in the 32ml deionized water, under magnetic stirrer, add the ortho-phosphoric acid solution of 0.004mol.Regulate pH=3.50 with the weak ammonia of 2.5mol/L again, used magnetic stirrer then 10 hours.Solution after stirring is transferred in the watch-glass, at room temperature left standstill 8 days, be transferred to then in 100 ℃ of baking ovens dry 14 days.Dried sample is put thermal treatment to the retort furnace with corundum crucible, is warming up to 800 ℃ from room temperature with the rate of heating of 2 ℃/min, and 800 ℃ down insulation can obtain water white mesoporous aluminum phosphate glass in 12 hours.Analyzing its specific surface area with BET specific surface area measuring instrument device is 416m
2/ g, mesoporous mean pore size is 4.02nm.
Embodiment 5:
According to technical scheme of the present invention, respectively the 0.004mol Aluctyl is added in the 32ml deionized water, under magnetic stirrer, add the ortho-phosphoric acid solution of 0.004mol.Regulate pH=4.00 with the weak ammonia of 4mol/L again, used magnetic stirrer then 10 hours.Solution after stirring is transferred in the watch-glass, at room temperature left standstill 8 days, be transferred to then in 100 ℃ of baking ovens dry 14 days.Dried sample is put thermal treatment to the retort furnace with corundum crucible, is warming up to 800 ℃ from room temperature with the rate of heating of 1 ℃/min, and 800 ℃ down insulation can obtain water white mesoporous aluminum phosphate glass in 12 hours.Analyzing its specific surface area with BET specific surface area measuring instrument device is 428m
2/ g, mesoporous mean pore size is 6.72nm.
Show after tested: glass of the present invention has glass transformation temperature T
g〉=1000 ℃, specific surface area S
BET＞400m
2/ g, average mesoporous diameter d
p=2.0～8.0nm illustrates that this glass is the mesoporous glass of high-specific surface area.
The foregoing description can be enumerated a lot, as long as in the scope that this programme relates to, this scope comprises the concentration range of precursor solution, the pH scope of regulating, within drying temperature scope and the sintering range, all can prepare mesoporous aluminum phosphate glass with large specific surface area of the present invention.
Claims (5)
1. mesoporous aluminum phosphate glass with large specific surface area is characterized in that: this glass consist of AlPO
4, the mol ratio of aluminium and phosphorus is 1: 1, glass is water white, specific surface area＞400m
2/ g, the scope of average mesoporous diameter is 2.0～8.0nm.
2. the preparation method of the described mesoporous aluminum phosphate glass with large specific surface area of claim 1 is characterized in that, comprises the steps:
1. at room temperature dispose Aluctyl and ortho-phosphoric acid H
3PO
4Mixed aqueous solution, wherein Aluctyl and ortho-phosphoric mol ratio are 1: 1, the concentration range of Aluctyl and ortho-phosphoric strength of solution scope are 0.05～0.2mol/L;
2. adopt weak ammonia to regulate the pH of described mixed aqueous solution, its pH scope is 2.00～4.00;
3. at room temperature, stirred at least 2 hours described mixed aqueous solution;
4. the mixed aqueous solution after will stirring is transferred in the glass surface ware with cover, leaves standstill under the room temperature 1～14 day;
5. the mixed aqueous solution after will leaving standstill is put into baking oven and was obtained dried sample in dry 1～8 day, and drying temperature is 50～100 ℃;
6. dried sample is placed corundum crucible, in retort furnace, carry out sintering, sintering process is: slowly be warming up to sintering temperature from room temperature with the speed of 0.5～2 ℃/min, sintering range is 500 ℃ to 800 ℃, and insulation can obtain the aluminium phosphate mesoporous glass of water white transparency high-specific surface area more than 6 hours under sintering temperature.
3. the preparation method of mesoporous aluminum phosphate glass with large specific surface area according to claim 2 is characterized in that, the Aluctyl raw material adopts market with Aluctyl or analytical pure powder, and ortho-phosphoric acid solution adopts strong phosphoric acid to be diluted to 0.5～2mol/L.
4. the preparation method of mesoporous aluminum phosphate glass with large specific surface area according to claim 2 is characterized in that, described weak ammonia adopts the strong aqua of mass ratio 25% to be diluted to 0.5～4mol/L.
5. according to the preparation method of each described mesoporous aluminum phosphate glass with large specific surface area of claim 2 to 4, it is characterized in that the specific surface area＞400m of the aluminium phosphate mesoporous glass of prepared water white transparency high-specific surface area
2/ g, average mesoporous diameter is 2.0～8.0nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010126593 CN101792259A (en) | 2010-03-17 | 2010-03-17 | Mesoporous aluminum phosphate glass with high specific surface area and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010126593 CN101792259A (en) | 2010-03-17 | 2010-03-17 | Mesoporous aluminum phosphate glass with high specific surface area and preparation method thereof |
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|---|---|
| CN101792259A true CN101792259A (en) | 2010-08-04 |
Family
ID=42585211
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043901A (en) * | 2013-01-21 | 2013-04-17 | 中国科学院上海光学精密机械研究所 | High-specific-surface-area mesoporous aluminum gallium phosphate glass and preparation method thereof |
| CN103193386A (en) * | 2013-03-22 | 2013-07-10 | 中国科学院上海光学精密机械研究所 | Preparation method of europium-doped aluminum phosphate mesoporous glass |
| CN104174417A (en) * | 2014-09-02 | 2014-12-03 | 西华师范大学 | Aluminum phosphate catalyst as well as preparation method and application thereof |
| CN112592074A (en) * | 2020-12-14 | 2021-04-02 | 中建材蚌埠玻璃工业设计研究院有限公司 | Preparation method of aluminum phosphate super-hydrophilic film |
| CN114213145A (en) * | 2021-12-27 | 2022-03-22 | 中建材蚌埠玻璃工业设计研究院有限公司 | Preparation method of foamed aluminum phosphate |
| CN114477117A (en) * | 2021-12-17 | 2022-05-13 | 中建材蚌埠玻璃工业设计研究院有限公司 | Aluminum phosphate-based powder for heat insulation and preparation method thereof |
-
2010
- 2010-03-17 CN CN 201010126593 patent/CN101792259A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 《Journal of the America Ceramic Society》 20051231 Long Zhang et al. Mesoporous AlPO4 Glass from a Simple Aqueous Sol-Gel Route 1-5 第88卷, 第4期 2 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043901A (en) * | 2013-01-21 | 2013-04-17 | 中国科学院上海光学精密机械研究所 | High-specific-surface-area mesoporous aluminum gallium phosphate glass and preparation method thereof |
| CN103043901B (en) * | 2013-01-21 | 2015-07-29 | 中国科学院上海光学精密机械研究所 | High specific surface area and mesoporous gallium aluminium phosphate glass and preparation method thereof |
| CN103193386A (en) * | 2013-03-22 | 2013-07-10 | 中国科学院上海光学精密机械研究所 | Preparation method of europium-doped aluminum phosphate mesoporous glass |
| CN104174417A (en) * | 2014-09-02 | 2014-12-03 | 西华师范大学 | Aluminum phosphate catalyst as well as preparation method and application thereof |
| CN104174417B (en) * | 2014-09-02 | 2016-08-17 | 西华师范大学 | Aluminium phosphate catalyst and preparation thereof and application |
| CN112592074A (en) * | 2020-12-14 | 2021-04-02 | 中建材蚌埠玻璃工业设计研究院有限公司 | Preparation method of aluminum phosphate super-hydrophilic film |
| CN114477117A (en) * | 2021-12-17 | 2022-05-13 | 中建材蚌埠玻璃工业设计研究院有限公司 | Aluminum phosphate-based powder for heat insulation and preparation method thereof |
| CN114213145A (en) * | 2021-12-27 | 2022-03-22 | 中建材蚌埠玻璃工业设计研究院有限公司 | Preparation method of foamed aluminum phosphate |
| CN114213145B (en) * | 2021-12-27 | 2022-10-14 | 中建材玻璃新材料研究院集团有限公司 | Preparation method of foamed aluminum phosphate |
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