CN115739185B - ZIF-8 composite ferrocene nano burning rate catalyst - Google Patents
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- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 239000003054 catalyst Substances 0.000 title claims abstract description 63
- MFLKDEMTKSVIBK-UHFFFAOYSA-N zinc;2-methylimidazol-3-ide Chemical compound [Zn+2].CC1=NC=C[N-]1.CC1=NC=C[N-]1 MFLKDEMTKSVIBK-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000013154 zeolitic imidazolate framework-8 Substances 0.000 title claims abstract description 59
- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 238000002485 combustion reaction Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 8
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 20
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 claims description 11
- 239000011701 zinc Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 2
- 238000013508 migration Methods 0.000 abstract description 15
- 230000005012 migration Effects 0.000 abstract description 13
- 230000003197 catalytic effect Effects 0.000 abstract description 10
- 239000011148 porous material Substances 0.000 abstract description 6
- GDDNTTHUKVNJRA-UHFFFAOYSA-N 3-bromo-3,3-difluoroprop-1-ene Chemical compound FC(F)(Br)C=C GDDNTTHUKVNJRA-UHFFFAOYSA-N 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000009776 industrial production Methods 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 30
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 15
- 239000007787 solid Substances 0.000 description 11
- 239000002244 precipitate Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000013153 zeolitic imidazolate framework Substances 0.000 description 8
- 239000002041 carbon nanotube Substances 0.000 description 6
- 229910021393 carbon nanotube Inorganic materials 0.000 description 6
- 239000004449 solid propellant Substances 0.000 description 6
- 238000001291 vacuum drying Methods 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000003380 propellant Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 235000015842 Hesperis Nutrition 0.000 description 2
- 235000012633 Iberis amara Nutrition 0.000 description 2
- DOUYOVFHQKVSSJ-UHFFFAOYSA-N [Fe].c1cccc1.CC(C)(C)c1cccc1 Chemical compound [Fe].c1cccc1.CC(C)(C)c1cccc1 DOUYOVFHQKVSSJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 239000005746 Carboxin Substances 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- GYSSRZJIHXQEHQ-UHFFFAOYSA-N carboxin Chemical compound S1CCOC(C)=C1C(=O)NC1=CC=CC=C1 GYSSRZJIHXQEHQ-UHFFFAOYSA-N 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- XYVVCFFJQVMSNN-UHFFFAOYSA-N cyclopenta-1,3-diene iron(2+) 5-octylcyclopenta-1,3-diene Chemical compound [Fe++].c1cc[cH-]c1.CCCCCCCC[c-]1cccc1 XYVVCFFJQVMSNN-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 239000010411 electrocatalyst Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 238000007210 heterogeneous catalysis Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000012621 metal-organic framework Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- -1 n-butyl ferrocene Chemical compound 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000007783 nanoporous material Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005556 structure-activity relationship Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Abstract
The invention discloses a ZIF-8 composite ferrocene nano combustion speed catalyst, which is prepared by adding a ferrocene combustion speed catalyst in the process of preparing ZIF-8 by a room temperature stirring method, so that the ferrocene combustion speed catalyst is firmly limited in a nano pore canal of ZIF-8, the problem of easy migration of the ferrocene combustion speed catalyst is greatly improved, the obtained ZIF-8 composite ferrocene nano combustion speed catalyst has excellent combustion catalytic effect on ammonium perchlorate, and has the advantages of good catalytic effect, low migration and large specific surface area, and the preparation method is simple to operate, high in yield, suitable for mass preparation and suitable for industrial production.
Description
Technical Field
The invention belongs to the technical field of solid propellants, and particularly relates to a ZIF-8 composite ferrocene nano combustion speed catalyst.
Background
The solid propellant belongs to an energetic gunpowder, and can directly provide thrust for engines such as solid rockets, missiles and the like in the combustion process of a solid mixture of energy and working media. In various classifications, the composite solid propellant has simple manufacturing and processing technology, free charge diameter adjustment and design and plays an important role in various weapons such as rockets, missiles and the like. The energy-containing material is prepared from a plurality of components such as an adhesive, an oxidant, a metal fuel, a combustion performance regulator, a plasticizer, a stabilizer/anti-aging agent, a bonding agent and the like. Combustion performance regulator refers to an additive that regulates the combustion rate and pressure index of a propellant by physical or chemical action, also known as a combustion rate catalyst. It has been found that the addition of a burn rate catalyst is effective in increasing the energy release of the solid propellant and in reducing its characteristic signal and pressure index. Because of their ability to adjust burn rates and reduce pressure index, burn catalysts are just as an integral part of today's solid propellant formulations and are a research hotspot.
Ferrocene (Fc) and its derivatives are widely used in propellants to increase the burning rate of the propellants due to their good compatibility, good flowability, good flammability, uniform distribution, etc. The currently commercialized ferrocenyl burn rate catalysts are carboxin (Cat), n-butyl ferrocene (NBF), t-butyl ferrocene (TBF), and octyl ferrocene (NOF), etc., but these ferrocenes and their derivatives all have migration problems to varying degrees during storage. Researchers have attempted to prevent or retard migration of the fast burning catalyst in the propellant by synthesizing novel ferrocenyl-containing compounds. The direction of chemical layer research can be broadly divided into two categories: firstly, synthesizing a ferrocenyl polymer, and secondly, modifying a ferrocene ring to obtain a ferrocene derivative with an anti-migration effect. In addition, from a physical perspective, researchers utilize the finite field effect of a nano material pore canal to reduce the mobility of the ferrocenyl burn-rate catalyst, yang et al (Yang L, xu R, et al enhanced Anti-Migration Performance of Carbon Nanotubes Confined Ferrocenyl Compounds and Their Catalytic Activity on the Thermal Decomposition of Ammonium Perchlorate [ J ] Materials Today Chemistry,2022,26,101168) fills the catalyst such as the katucine into the carbon nano tube, and the finite field effect of the inner cavity of the carbon nano tube is utilized, so that the mobility performance of the ferrocenyl burn-rate catalyst is greatly reduced, the carbon nano tube has good catalytic effect, and the combustion catalytic performance is more effectively improved due to the synergistic effect. The preparation method is simple in preparation process, and effectively reduces the mobility of the ferrocenyl derivative, so that a research direction is provided for solving the problem that ferrocene and the ferrocenyl derivative are easy to migrate.
The zeolite-like imidazole ester skeleton material (ZIFs) is a common MOFs material, is formed by coordination of transition metal ions and imidazole organic matters, and has a zeolite skeleton structure. ZIFs have the advantages of large specific surface area, high porosity, good crystallinity, high thermal stability, high chemical stability and the like, and are similar to zeolite. In addition, ZIFs also have the characteristics of adjustable aperture, structural and functional diversity and the like. Therefore, ZIFs have great development potential in the fields of adsorption, separation, catalysis, drug delivery and the like, and are the research hot spot of the current novel nano porous material. ZIF-8 is the most representative ZIFs material and has wide application prospect in the fields of heterogeneous catalysis, adsorption and the like. Wei et al (Ye W, chen S, lin Y, et al Precisey Tuning the Number of Fe Atoms in Clusters on N-Doped Carbon toward Acidic Oxygen Reduction Reaction-science direct [ J ]]Chem 2019,5 (11): 2865-2878) to react Fe 2 (CO) 9 In the synthesis process of dissolving and adding ZIF-8, the nitrogen-doped carbon-based framework compound is obtained through high-temperature pyrolysis, and higher activity and electron transmission are realized. This work provides a new idea for designing efficient, economical, durable electrocatalysts at the atomic level. In addition, metal (metal oxide) -carbon based composite materials in which the metal centers of the ZIFs material are formed in situ during catalytic combustion may also be efficient burn rate catalysts. These different characteristics from previous catalysts make ZIFs-based materials an ideal tool for the potential selection of high-efficiency burn rate catalysts and for studying the structure-activity relationship of burn rate catalysts. And compared with carbonThe ZIFs material has smaller pore canal and larger specific surface area, and the problem group is found in the research result of embedding commercial ferrocene derivatives into the carbon nanotubes, and the smaller the diameter of the carbon nanotubes, the stronger the capillary force and the better the migration resistance of the capillary force. In addition, the smaller the pipe diameter is, the smaller the particle size of the ferrocene derivative particles in the inner part is, the larger the specific surface area is, and the better the combustion catalysis effect on the energetic material is due to the synergistic catalysis. Thus, the ZIF-8 is used as a catalyst carrier, and the commercial ferrocene combustion catalyst is limited in a pipeline to form a composite material, so that the migration resistance and the combustion catalytic performance can be further improved.
Disclosure of Invention
The invention aims to provide a ZIF-8 composite ferrocene nano combustion speed catalyst which is simple to prepare, can be produced in a large scale, has good catalytic effect and can greatly reduce mobility.
Aiming at the purposes, the ZIF-8 composite ferrocene nano combustion speed catalyst is prepared by taking zinc nitrate and 2-methylimidazole as raw materials, adding ferrocene in the process of preparing ZIF-8 by a room temperature stirring method, and the ZIF-8 composite ferrocene nano combustion speed catalyst is prepared by the steps of: 0.25 to 1.5, preferably the molar ratio of Zn in ZIF-8 to Fe in ferrocene is 1:1 to 1.5.
The particle diameter of the ZIF-8 composite ferrocene nano combustion speed catalyst is 50-100 nm, and the ZIF-8 structure is reserved.
In the process of preparing ZIF-8 by the room temperature stirring method, the molar ratio of zinc nitrate to 2-methylimidazole is preferably 2-4:10, and the molar ratio of added ferrocene to zinc nitrate is 0.25-1.5: 1.
in the process of preparing ZIF-8 by the room temperature stirring method, the molar ratio of zinc nitrate to 2-methylimidazole is preferably 2-2.5:10, and the molar ratio of added ferrocene to zinc nitrate is preferably 1-1.5: 1.
the beneficial effects of the invention are as follows:
in the preparation process of the ZIF-8, the ferrocene burning-rate catalyst is dissolved and added and is packaged in the ZIF-8 pore canal, and the nano pore canal of the ZIF-8 is utilized to ensure that the ferrocene burning-rate catalyst is stably restrained in the pore canal, so that the mobility of the ferrocene burning-rate catalyst is greatly reduced. In addition, the size of the ferrocene burning-rate catalyst can be reduced from micron level to nanometer level, and the ferrocene burning-rate catalyst is complementary with the catalytic performance of ZIF-8, so that a strong 'synergistic effect' is generated, and the catalytic performance of the ferrocene burning-rate catalyst is obviously improved. The method is simple to operate, high in yield, capable of being prepared in a large amount, excellent in combustion catalysis effect on ammonium perchlorate, and capable of obtaining the ferrocene combustion catalyst with low migration under a simple treatment method.
Drawings
FIG. 1 is a transmission electron microscope image of the ZIF-8 composite ferrocene nano burn rate catalyst prepared in example 1.
FIG. 2 is a transmission electron microscope image of the ZIF-8 composite ferrocene nano burn rate catalyst prepared in example 4.
FIG. 3 is a transmission electron microscope image of the ZIF-8 composite ferrocene nano burn rate catalyst prepared in example 5.
FIG. 4 is a bar graph of migration experiments for ferrocene and examples 1-5 for preparing ZIF-8 composite ferrocene nano fuel rate catalysts.
FIG. 5 is a differential scanning calorimeter test result of adding 5wt.% ferrocene, 5wt.% ZIF-8 composite ferrocene nano-burn rate catalyst prepared in example 1, 5wt.% ZIF-8 composite ferrocene nano-burn rate catalyst prepared in example 4, and 5wt.% ZIF-8 composite ferrocene nano-burn rate catalyst prepared in example 5, respectively, to ammonium perchlorate and ammonium perchlorate.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, but the scope of the present invention is not limited to these examples.
Example 1
1.19g (4 mmol) of Zn (NO) 3 )·6H 2 O was dissolved in 30mL of methanol solution to prepare solution A1,then, 0.82g (10 mmol) of 2-methylimidazole and 0.19g (1 mmol) of ferrocene were dissolved together in 30mL of methanol solution to prepare a solution B1. Then adding the solution B1 into the solution A1, stirring for 28 hours at 25 ℃, centrifugally washing the brown viscous solution with anhydrous diethyl ether, centrifuging at 8000rpm for 5 minutes each time until the obtained supernatant is colorless and transparent, drying the light brown solid precipitate in a vacuum drying oven at 60 ℃ for 8 hours, and taking out the light brown solid precipitate to obtain the light brown powder ZIF-8 composite ferrocene nano combustion catalyst.
Example 2
1.04g (3.5 mmol) of Zn (NO) 3 )·6H 2 O was dissolved in 30mL of a methanol solution to prepare a solution A2, and 0.82g (10 mmol) of 2-methylimidazole and 0.28g (1.5 mmol) of ferrocene were dissolved together in 30mL of the methanol solution to prepare a solution B2. Then adding the solution B2 into the solution A2, stirring for 28 hours at 25 ℃, centrifuging and washing the brown viscous solution by using anhydrous diethyl ether, wherein the centrifugal speed is 8000rpm, the centrifugal time is 5 minutes each time, after the obtained supernatant is colorless and transparent, placing the light brown solid precipitate into a vacuum drying oven, drying for 8 hours at 60 ℃, and taking out the light brown solid precipitate, wherein the obtained light brown powder is ZIF-8 composite ferrocene.
Example 3
0.89g (3 mmol) of Zn (NO 3 )·6H 2 O was dissolved in 30mL of a methanol solution to prepare a solution A3, and 0.82g (10 mmol) of 2-methylimidazole and 0.37g (2 mmol) of ferrocene were dissolved together in 30mL of a methanol solution to prepare a solution B3. Then adding the solution B3 into the solution A3, stirring for 28 hours at 25 ℃, centrifugally washing the brown viscous solution with anhydrous diethyl ether, centrifuging at 8000rpm for 5 minutes each time until the obtained supernatant is colorless and transparent, drying the light brown solid precipitate in a vacuum drying oven at 60 ℃ for 8 hours, and taking out the light brown solid precipitate to obtain the light brown powder ZIF-8 composite ferrocene nano combustion catalyst.
Example 4
0.74g (2.5 mmol) of Zn (NO 3 )·6H 2 O was dissolved in 30mL of a methanol solution to prepare solution A4, and 0.82g (10 mmol) of 2-methylimidazole and 0.47g (2.5 mmol) of ferrocene were dissolved together inSolution B4 was prepared from 30mL of methanol solution. Then adding the solution B4 into the solution A4, stirring for 28 hours at 25 ℃, centrifugally washing the brown viscous solution with anhydrous diethyl ether, centrifuging at 8000rpm for 5 minutes each time until the obtained supernatant is colorless and transparent, drying the light brown solid precipitate in a vacuum drying oven at 60 ℃ for 8 hours, and taking out the light brown solid precipitate to obtain the light brown powder ZIF-8 composite ferrocene nano combustion catalyst.
Example 5
0.59g (2 mmol) Zn (NO) 3 )·6H 2 O was dissolved in 30mL of a methanol solution to prepare a solution A5, and 0.82g (10 mmol) of 2-methylimidazole and 0.56g (3 mmol) of ferrocene were dissolved together in 30mL of a methanol solution to prepare a solution B5. Then adding the solution B5 into the solution A5, stirring for 28 hours at 25 ℃, centrifugally washing the brown viscous solution with anhydrous diethyl ether, centrifuging at 8000rpm for 5 minutes each time until the obtained supernatant is colorless and transparent, drying the light brown solid precipitate in a vacuum drying oven at 60 ℃ for 8 hours, and taking out the light brown solid precipitate to obtain the light brown powder ZIF-8 composite ferrocene nano combustion catalyst.
From figures 1-3, it can be seen that the ZIF-8 composite ferrocene nano combustion rate catalyst prepared by the invention still maintains the morphological characteristics of ZIF-8 and maintains a certain crystal structure.
In order to prove the beneficial effects of the invention, the ZIF-8 composite ferrocene nano combustion rate catalysts prepared in examples 1-5 are respectively subjected to combustion catalysis performance test and migration performance test, and the results are shown in figures 4-5.
As can be seen from FIG. 4, the ZIF-8 composite ferrocene nano combustion rate catalysts obtained in examples 1 to 5 of the present invention have only weak migration phenomenon. The formulation content of the actual solid propellant is simulated, ferrocene and the ZIF-8 composite ferrocene nano combustion speed catalyst obtained in examples 1-5 are respectively mixed with other components in the propellant according to a proportion, the mixture is put into a glass tube, the mixture is stored in a vacuum drying oven at 50 ℃ for four weeks, samples are taken out every seven days, and the migration distance of the mixture is measured. The ZIF-8 composite ferrocene nano fuel rate catalyst obtained in examples 1-5 has obviously better migration resistance than pure ferrocene, which proves that the method solves the migration problem of the traditional commercial ferrocene fuel rate catalyst.
As can be seen from FIG. 5, the ZIF-8 composite ferrocene nano combustion rate catalyst prepared in example 5 has a significantly better effect on promoting the thermal decomposition of AP than 5wt% ZIF-8 and 5wt% ferrocene (Fc). And after the ZIF-8 composite ferrocene nano combustion speed catalyst prepared in the embodiment 5 is added, the low-temperature decomposition peak of the AP tends to be gentle, so that the heat release of the AP is more concentrated, and the combustion performance of the AP is improved. The ZIF-8 composite ferrocene nano burning rate catalyst prepared in the examples 2 and 3 has the same catalytic rule on AP as the ZIF-8 composite ferrocene nano burning rate catalyst prepared in the example 5.
Claims (5)
1. A ZIF-8 composite ferrocene nano burning rate catalyst is characterized in that: the nano combustion speed catalyst is a composite material of ZIF-8 and ferrocene, which is obtained by adding ferrocene into zinc nitrate and 2-methylimidazole serving as raw materials in the process of preparing ZIF-8 by a room temperature stirring method; in the ZIF-8 composite ferrocene nano combustion speed catalyst, the molar ratio of Zn in the ZIF-8 to Fe in the ferrocene is 1:0.25 to 1.5.
2. The ZIF-8 composite ferrocene nano combustion catalyst according to claim 1, wherein: the particle diameter of the ZIF-8 composite ferrocene nano combustion speed catalyst is 50-100 nm, and the ZIF-8 structure is reserved.
3. The ZIF-8 composite ferrocene nano combustion catalyst according to claim 1, wherein: in the ZIF-8 composite ferrocene nano combustion speed catalyst, the molar ratio of Zn in the ZIF-8 to Fe in the ferrocene is 1:1 to 1.5.
4. The ZIF-8 composite ferrocene nano combustion catalyst according to claim 1, wherein: in the process of preparing ZIF-8 by the room temperature stirring method, the molar ratio of zinc nitrate to 2-methylimidazole is 2-4:10, and the molar ratio of added ferrocene to zinc nitrate is 0.25-1.5: 1.
5. the ZIF-8 composite ferrocene nano combustion catalyst according to claim 4, wherein: in the process of preparing ZIF-8 by the room temperature stirring method, the molar ratio of zinc nitrate to 2-methylimidazole is 2-2.5:10, and the molar ratio of added ferrocene to zinc nitrate is 1-1.5: 1.
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