Co-dinitro tetrazole energetic material, preparation method and application thereof
By preparing gem-dinitrotetrazole energetic materials, the problems of environmental pollution and high energy threshold of laser ignition materials have been solved, realizing a low-cost, high-energy-density and safe miniaturized laser ignition system suitable for aerospace, weapon systems and civilian blasting fields.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-13
- Publication Date
- 2026-03-24
AI Technical Summary
Existing laser-ignited energetic materials contain perchlorate ions and heavy metal ions, which pose environmental pollution and health hazards. Furthermore, the high energy threshold of laser ignition makes it difficult to achieve miniaturized and low-cost laser ignition systems.
Using gem-dinitrotetrazole energetic material 5,2':5',5''-tribitetrazole-2,2''-dimethylbis(dinitromethyl)dipotassium salt, through a structural design that balances the charge of potassium ions, the preparation process is mild, avoiding high temperature, high pressure and special catalysts. Potassium bicarbonate is used to react with organic solvents to form a laser-sensitive material with low ignition threshold, high energy density and high safety.
It achieves low ignition energy threshold, high energy density, high safety, environmental friendliness, and suitable mechanical sensitivity, reducing the size and cost of the laser ignition system, and possessing good laser detonation performance and environmental friendliness.
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Figure CN121159466B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of energetic materials, in particular to a gem-dinitro-tetrazole energetic material and a preparation method and application thereof. BACKGROUND
[0002] Laser ignition technology has been widely used in aerospace, weapon system and civil blasting due to its high precision, high safety, good synchronization and remote control. The performance of laser ignition system is determined by the laser sensitive energetic material (commonly known as laser ignition powder) inside the system. The light-heat conversion efficiency and energy release characteristics of this material directly determine the performance of the entire system.
[0003] However, most of the energetic complexes reported for laser ignition currently contain perchlorate ions and transition metal ions. These components not only cause serious pollution to the water environment, but also pose a threat to human health. In recent years, although some patents (application numbers 202410916820.9 and 202311764733.8) have reported laser initiation and ignition materials without perchlorate ions, these materials still contain metal ions such as manganese, iron, cobalt, copper, zinc, cadmium and nickel.
[0004] Therefore, it is particularly urgent to develop a new type of laser initiation compound that has low laser ignition energy threshold, high energy density, good thermal stability and appropriate mechanical sensitivity, and does not contain toxic heavy metal elements. SUMMARY
[0005] The purpose of the present application is to provide a gem-dinitro-tetrazole energetic material and a preparation method and application thereof. The prepared energetic material realizes the synergistic optimization of low ignition threshold, high energy density, high safety and environmental friendliness.
[0006] To achieve the above purpose, the present application provides a gem-dinitro-tetrazole energetic material, the chemical name of which is 5,2':5',5''-tris-tetrazole-2,2''-diyl bis(dinitromethyl) dipotassium salt, and the chemical formula is K2C5N 16 O8. The molecular structure is centered on the 5,2':5',5''-tris-tetrazole skeleton, and the 2 and 2'' positions are connected by dinitromethyl functional groups. The structure is balanced by potassium ions, and the structure formula is as follows:
[0007] .
[0008] The preparation method of the above gem-dinitro-tetrazole energetic material comprises the following steps:
[0009] S1, 20 S1, prepare saturated potassium bicarbonate aqueous solution by using potassium bicarbonate and deionized water;
[0010] S2, under stirring, add 2,2''-bis(dinitromethyl)-2 ,2'' H -5,2':5',5''-triazetetrazole into the saturated potassium bicarbonate aqueous solution, and control the dropping speed to control the gas generation; H
[0011] S3, under stirring, add the precursor organic solution into the saturated potassium bicarbonate aqueous solution drop by drop, and control the dropping speed to control the gas generation;
[0012] S4, after the dropping, stir until no bubble is generated, add organic solvent, and continue to stir for 0.5-3h;
[0013] S5, filter, wash with organic solvent, and dry to obtain 5,2':5',5''-triazetetrazole-2,2''-diylbis(dinitromethyl) dipotassium salt.
[0014] Preferably, the mass ratio of potassium bicarbonate to deionized water in S1 is 1:3.
[0015] Preferably, the organic solvent in S2, S4 and S5 all includes one of methanol, ethanol or acetonitrile.
[0016] Preferably, the molar ratio of 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-triazetetrazole to potassium bicarbonate in S2 is 1.1-1.5:2; the dosage ratio of 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-triazetetrazole to organic solvent is 1mmol:10-20mL.
[0017] Preferably, the stirring speed in S3 is 400-500r min, and the dropping speed is 0.5-1 drop s.
[0018] Preferably, the organic solvent in S4 is the same as that in S2, and the dosage of the organic solvent in S4 is half of that in S2.
[0019] Preferably, the drying condition in S5 is 35 C air blowing for 3h.
[0020] The application of the above-mentioned one kind of gem-dinitro tetrazole energetic material as laser initiation ignition propellant.
[0021] Therefore, the present application adopts the above-mentioned kind of gem-dinitro tetrazole energetic material, its preparation method and application, and has the following beneficial effects:
[0022] (1) The tetrazole ring conjugated system in the 5,2':5',5''-triazolotetrazole-2,2''-diyl bis(dinitromethyl) dipotassium salt of the present application and the strong electron-withdrawing property of the dinitromethyl group synergistically act on laser, having extremely high absorption efficiency and light-heat conversion efficiency, and the laser ignition energy threshold is as low as 3 mJ, far lower than the 10~50 mJ of existing materials, which can be adapted to lower power, smaller volume and lower cost laser diodes, greatly reducing the volume, weight and cost of the laser ignition system, and promoting the miniaturization, integration and economy of the laser ignition system.
[0023] (2) The 5,2':5',5''-triazolotetrazole-2,2''-diyl bis(dinitromethyl) dipotassium salt of the present application is rich in tetrazole ring skeleton with high enthalpy of formation and nitrogen content and gem-dinitro functional group with high oxygen balance, and the energy release is sufficient, and the key energy indicators such as detonation velocity (9047 m s) and detonation pressure (35.6 GPa) of the 5,2':5',5''-triazolotetrazole-2,2''-diyl bis(dinitromethyl) dipotassium salt of the present application are significantly higher than those of traditional primary explosives (lead azide: 5877 m s, 33.4 GPa) and some energetic complexes, which can provide sufficient initiation ability to ensure reliable detonation of the next stage charge.
[0024] (3) The 5,2':5',5''-triazolotetrazole-2,2''-diyl bis(dinitromethyl) dipotassium salt of the present application only contains K, C, N and O elements, does not contain any heavy metals such as lead (Pb) and barium (Ba), and does not contain perchlorate, and is environmentally friendly in the whole life cycle from synthesis, use to final destruction, which meets the development trend of modern green energetic materials.
[0025] (4) The 5,2':5',5''-triazolotetrazole-2,2''-diyl bis(dinitromethyl) dipotassium salt of the present application has an impact sensitivity of 3 J and a friction sensitivity of 60 N, which is safer in the process of synthesis and use compared with the traditional primary explosive lead azide (impact sensitivity of 2.5~4 J and friction sensitivity of 0.1~1 N).
[0026] (5) The preparation process of the present application does not require high temperature, high pressure or special catalyst, has mild reaction conditions, easy-to-obtain raw materials and low cost, and has few reaction steps, simple operation, stable yield, high purity and easy industrialization.
[0027] The technical solutions of the present application will be further described in detail below with the aid of the accompanying drawings and examples. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 is the differential scanning calorimetry diagram of Example 1 of the present application;
[0029] Figure 2 The infrared spectrum of Example 1 of the present application;
[0030] Figure 3 The infrared spectrum of Example 1 of the present application;
[0031] Figure 4 The schematic diagram of the laser initiation ignition test device used in the present application;
[0032] Figure 5 The schematic diagram of the laser initiation experiment of 5,2':5',5''-triazinetrione-2,2''-diyl bis(dinitromethyl) dipotassium salt prepared in Example 1 of the present application as a laser initiation ignition powder at different times under 3 mJ excitation energy;
[0033] Figure 6 The schematic diagram of the laser initiation experiment of 5,2':5',5''-triazinetrione-2,2''-diyl bis(dinitromethyl) disodium salt prepared in Comparative Example 1 at different times under 100 mJ excitation energy. DETAILED DESCRIPTION
[0034] The present application is further described below in conjunction with the accompanying drawings and examples. Unless otherwise defined, the technical terms or scientific terms used in the present application shall be understood as the usual meanings understood by those skilled in the art to which the present application belongs. The features mentioned above or the features mentioned in the specific examples can be combined in any manner, and these specific examples are only used to illustrate the present application and not to limit the scope of the present application.
[0035] The present application provides a gem-dinitro tetrazole energetic material, the chemical name of which is 5,2':5',5''-triazinetrione-2,2''-diyl bis(dinitromethyl) dipotassium salt, the chemical formula of which is K2C5N 16 O8, the molecular structure of which is centered on 5,2':5',5''-triazinetrione, and the dinitromethyl functional groups are connected to positions 2 and 2'', and the charge is balanced by potassium ions, and the structural formula is as follows:
[0036] .
[0037] The preparation method of the gem-dinitro tetrazole energetic material described above comprises the following steps:
[0038] S1, at 20 Then, potassium bicarbonate saturated aqueous solution is prepared using potassium bicarbonate and deionized water;
[0039] S2, at 20 Then, 2,2''-bis(dinitromethyl)-2 H ,2''H -5,2':5',5''-triazolyltetrazole is dissolved in an organic solvent to prepare a precursor organic solution; the 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-triazolyltetrazole is synthesized by the method in the prior art J.Org.Chem.2025, 90, 3964 of the applicant;
[0040] S3, under vigorous stirring, the precursor organic solution is added dropwise into the saturated aqueous potassium bicarbonate solution, and the reaction is carried out in an open state, and the dropping speed is controlled to control the intensity of gas production;
[0041] S4, after the dropping is completed, stirring is carried out until no bubbles are generated, an organic solvent is added, and stirring is continued for 0.5-3 h;
[0042] S5, filtration is carried out, washing is carried out with an organic solvent, and drying is carried out to obtain 5,2':5',5''-triazolyltetrazole-2,2''-diylbis(dinitromethyl) dipotassium salt.
[0043] The reaction equation of the application is as follows:
[0044] .
[0045] Preferably, the mass ratio of potassium bicarbonate to deionized water in S1 is 1:3. In the application, the mass ratio of potassium bicarbonate to deionized water is controlled in the above range, which aims to reduce the amount of water in the system as much as possible under the premise of ensuring the complete dissolution of potassium bicarbonate, so as to reduce the solubility of the target product and improve the yield.
[0046] Preferably, the organic solvent in S2, S4 and S5 includes one of methanol, ethanol or acetonitrile.
[0047] In the application, 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-triazolyltetrazole precursor is an organic energetic molecule, which has strong polarity but has limited solubility in water. Methanol, ethanol and acetonitrile selected in the application are all polar organic solvents, which can effectively dissolve the above precursor to form a uniform organic solution, so as to ensure that it can fully contact with potassium bicarbonate in water as a proton donor and react.
[0048] Preferably, the molar ratio of 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-triazolyltetrazole to potassium bicarbonate in S2 is 1.1-1.5:2; and the molar ratio of 2,2''-bis(dinitromethyl)-2 H ,2'' HThe ratio of 5,2':5',5''-tris-tetrazole to the organic solvent is 1 mmol:10-20 mL.
[0049] In the present application, 2,2''-bis(dinitromethyl)-2 H ,2'' H The amount of 5,2':5',5''-tris-tetrazole and potassium bicarbonate is controlled in the above range, which can ensure the complete reaction of potassium bicarbonate, avoid the introduction of potassium salt impurities, and also ensure that a slight excess of 2,2''-bis(dinitromethyl)-2 H ,2'' H The 5,2':5',5''-tris-tetrazole is completely dissolved in the whole reaction process, avoiding the introduction of 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-tris-tetrazole impurities.
[0050] Preferably, the stirring rate in S3 is 400-500 r min, and the dropping speed is 0.5-1 drop s. In the present application, the precursor organic solution is added dropwise into the saturated aqueous solution of potassium bicarbonate, which ensures that the potassium bicarbonate is always in excess and the precursor is small, so that the neutralization reaction is complete and the dipotassium salt is completely converted, avoiding the formation of monopotassium salt intermediates.
[0051] Preferably, the organic solvent in S4 is the same as that in S2, and the amount of the organic solvent in S4 is half of that in S2, which aims to reduce the solubility of the target product in the mixed solvent and promote crystallization; at the same time, the solubility of the slightly excess unreacted 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-tris-tetrazole is increased, avoiding its residual in the target product.
[0052] Preferably, the drying conditions in S5 are 35 °C, and the air blowing is performed for 3 h.
[0053] The above-mentioned kind of gem-dinitro-tetrazole energetic material is applied as a laser initiation ignition propellant.
[0054] Example 1
[0055] The present application provides a gem-dinitro-tetrazole energetic material, which is 5,2':5',5''-tris-tetrazole-2,2''-diyl bis(dinitromethyl) dipotassium salt, and the chemical formula is K2C5N 16O8 has a molecular structure with 5,2':5',5''-tritetrazolium as the central backbone, with dinitromethyl functional groups attached to both the 2 and 2'' positions, and the charge is balanced by potassium ions. The structural formula is as follows:
[0056] .
[0057] The preparation method of the above-mentioned gemidonitrotetrazole energetic material includes the following steps:
[0058] S1, in 20 To prepare a saturated aqueous solution of potassium bicarbonate, dissolve 1.00 g (10 mmol) in 3 mL of deionized water.
[0059] S2, in 20 Next, 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-tritetrazolium (2.70 g, 5.5 mmol) was dissolved in 55 mL of methanol to prepare a precursor organic solution.
[0060] S3, at 500r Vigorously stir at a constant stirring rate of 1 min, adding the precursor organic solution at 1 drop... The solution is added dropwise to a saturated aqueous solution of potassium bicarbonate at a rate of s, and the reaction is carried out in an open container. The rate of addition is controlled to regulate the intensity of gas production.
[0061] S4. After the addition is complete, stir until no more bubbles are generated, add 27.5 mL of methanol, and continue stirring for 0.5 to 3 hours.
[0062] S5. Filter, wash with methanol, at 35°C The product was dried under blast air for 3 hours to obtain 5,2':5',5''-tribitetrazol-2,2''-dimethylbis(dinitromethyl)dipotassium salt. The yield was 90.5% (based on potassium bicarbonate).
[0063] Figure 1 This is a differential scanning calorimeter of Embodiment 1 of the present invention, such as... Figure 1 As shown, the test conditions were a nitrogen atmosphere and a heating rate of 5. The decomposition peak temperature was 182.5 min. There is no melting and endothermic process before thermal decomposition, and the heat release is as high as 3377J. g exhibits significant exothermic characteristics of energetic compounds.
[0064] Figure 2 The carbon NMR spectrum of Example 1 of this invention is shown below. Figure 2 As shown, the carbon NMR spectrum is 13 C NMR (DMSO- d 6): 158.55, 156.39, 155.47, 131.43, 131.15 ppm.
[0065] Figure 3 The infrared spectrum of Example 1 of the present application is shown in Figure Figure 3 2109, 1634, 1574, 1498, 1432, 1393, 1369, 1259, 1213, 1161, 1108, 1027 cm -1 .
[0066] Elemental analysis C5K2N 16 O8(490.356): found (calculated) C: 12.22 (12.25) %, N: 45.74 (45.70) %, O: 26.15 (26.10) %.
[0067] The 5,2':5',5''-terpyrazolyl-2,2''-diylbis(dinitromethyl) dipotassium salt prepared in Example 1 was used as a laser initiation ignition propellant, and BAM sensitivity tests were performed, with an impact sensitivity of 3 J and a friction sensitivity of 60 N, which are lower than those of traditional initiation lead azide (impact sensitivity of 2.5-4 J and friction sensitivity of 0.1-1 N).
[0068] The 5,2':5',5''-terpyrazolyl-2,2''-diylbis(dinitromethyl) dipotassium salt prepared in Example 1 was used as a sample, and a laser initiation ignition device shown in Figure Figure 4 was used for testing. The sample (about 2 mg) was placed in an alumina crucible, and a certain excitation energy was used to irradiate it by adjusting the excitation voltage of the laser (Dawa-100). As the excitation voltage decreased, the output laser energy also decreased accordingly. After multiple tests, it was finally determined that the sample could be stably initiated at all laser energies (3-100 mJ) that could be adjusted by the instrument, with a clear explosion sound, and the crucible was blown to pieces. The high-speed camera picture under the minimum laser energy (3 mJ) is shown in Figure Figure 5 .
[0069] Example 2
[0070] The present application provides a gem-dinitro tetrazole energetic material, with a chemical name of 5,2':5',5''-terpyrazolyl-2,2''-diylbis(dinitromethyl) dipotassium salt, and a chemical formula of K2C5N 16 O8. The molecular structure has a 5,2':5',5''-terpyrazole as a central skeleton, with a dinitromethyl functional group connected to the 2 and 2'' positions, and a potassium ion to balance the charge, and the structural formula is as follows:
[0071] .
[0072] The preparation method of the above-mentioned gemidonitrotetrazole energetic material includes the following steps:
[0073] S1, in 20 To prepare a saturated aqueous solution of potassium bicarbonate, dissolve 1.00 g (10 mmol) in 3 mL of deionized water.
[0074] S2, in 20 Next, 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-tritetrazolium (3.68 g, 7.5 mmol) was dissolved in 150 mL of acetonitrile to prepare a precursor organic solution.
[0075] S3, at 400r Vigorously stir at a constant stirring rate of 1 min, adding the precursor organic solution at 1 drop... The solution is added dropwise to a saturated aqueous solution of potassium bicarbonate at a rate of s, and the reaction is carried out in an open container. The rate of addition is controlled to regulate the intensity of gas production.
[0076] S4. After the addition is complete, stir until no more bubbles are generated, add 75 mL of acetonitrile, and continue stirring for 0.5 to 3 hours.
[0077] S5. Filter, wash with acetonitrile, 35 The product was dried under blast air for 3 hours to obtain 5,2':5',5''-tris-tetrazol-2,2''-dimethylbis(dinitromethyl)dipotassium salt. The yield was 93.4% (based on potassium bicarbonate).
[0078] Comparative Example 1
[0079] The preparation method of the above-mentioned gemidonitrotetrazole energetic material includes the following steps:
[0080] S1, in 20 To prepare a saturated aqueous solution of sodium bicarbonate, dissolve sodium bicarbonate (0.84 g, 10 mmol) in a minimum amount of deionized water (approximately 8.8 mL).
[0081] S2, in 20 Next, 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-tritetrazolium (2.70 g, 5.5 mmol) was dissolved in 55 mL of methanol to prepare a precursor organic solution.
[0082] S3, at 500r Vigorously stir at a constant stirring rate of 1 min, adding the precursor organic solution at 1 drop... The speed of s is gradually added into the saturated aqueous solution of sodium bicarbonate, and the reaction is carried out in an open state. The dropping speed is controlled to control the intensity of gas production.
[0083] S4, after the completion of dropping, stirring until no bubbles are generated, adding 27.5 mL of methanol, and continuing to stir for 0.5-3 h.
[0084] S5, filtering, washing with methanol, 35 drying for 3 h under a blast of air to obtain 5,2':5',5''-triazolotetrazol-2,2''-diyl bis(dinitromethyl) disodium salt. The yield is 88.3% (calculated based on sodium bicarbonate).
[0085] The 5,2':5',5''-triazolotetrazol-2,2''-diyl bis(dinitromethyl) disodium salt prepared in Comparative Example 1 is used as a sample, and a laser initiation ignition device as shown in Figure 4 is used for testing. The sample (about 2 mg) is placed in an alumina crucible, and a certain excitation energy is irradiated by adjusting the excitation voltage of the laser (Dawa-100). After multiple tests, it is finally determined that the sample cannot be initiated at a laser energy of 3-100 mJ, but a small amount of sample powder splashes out of the crucible, and the sample in the crucible does not change in nature, as shown in Figure 6 .
[0086] Comparative Example 2
[0087] According to the existing technical route of the applicant (J. Org. Chem. 2025, 90, 3964), the disodium salt, dihydrazine salt and dihydroxylamine salt of 5,2':5',5''-triazolotetrazol-2,2''-diyl bis(dinitromethyl) are synthesized by replacing potassium bicarbonate with ammonia, hydrazine hydrate and aqueous hydroxylamine, respectively.
[0088] The disodium salt, dihydrazine salt and dihydroxylamine salt prepared in Comparative Example 2 are used as samples, respectively, and a laser initiation ignition device as shown in Figure 4 is used for testing. The sample (about 2 mg) is placed in an alumina crucible, and a certain excitation energy is irradiated by adjusting the excitation voltage of the laser (Dawa-100). After multiple tests, it is finally determined that the disodium salt, dihydrazine salt and dihydroxylamine salt samples cannot be initiated at a laser energy of 3-100 mJ, and a small amount of sample powder splashes out of the crucible, and the sample in the crucible does not change in nature.
[0089] Therefore, the present application adopts the above-mentioned kind of geminal dinitro tetrazole energetic material, its preparation method and application. The 5,2':5',5''-triazolotetrazol-2,2''-diyl bis(dinitromethyl) disodium salt prepared as a laser initiation ignition propellant is significantly superior to the prior art in terms of laser initiation performance, energy output, safety and environmental friendliness, and has good application prospects.
[0090] It should be pointed out finally that the above embodiments are only used to illustrate the technical solutions of the present application but not to limit it, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or equivalently replaced, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.
Claims
1. A gemidonitrotetrazole energetic material, characterized in that: The chemical name of the gemidyltetrazole energetic material is 5,2':5',5''-tertetrazol-2,2''-dimethylbis(dinitromethyl)dipotassium salt, with the chemical formula K2C5N. 16 O8 has a molecular structure with 5,2':5',5''-tritetrazolium as the central backbone, with dinitromethyl functional groups attached to both the 2 and 2'' positions, and the charge is balanced by potassium ions. The structural formula is as follows: 。 2. A method for preparing the gemidonitrotetrazole energetic material as described in claim 1, characterized in that: Includes the following steps: S1, in 20 Below, a saturated aqueous solution of potassium bicarbonate is prepared using potassium bicarbonate and deionized water; S2, in 20 Next, 2,2''-bis(dinitromethyl)-2 H ,2'' H -5,2':5',5''-tritetrazolium was dissolved in an organic solvent to prepare a precursor organic solution; S3. Under vigorous stirring, the precursor organic solution is added dropwise to a saturated potassium bicarbonate aqueous solution. The reaction is carried out in an open container, and the dropping rate is controlled to control the intensity of gas production. S4. After the addition is complete, stir until no more bubbles are generated, add the organic solvent, and continue stirring for 0.5 to 3 hours. S5. Filter, wash with organic solvent, and dry to obtain 5,2':5',5''-tris-tetrazolium-2,2''-dimethylbis(dinitromethyl)dipotassium salt.
3. The method for preparing a gemidonitrotetrazole energetic material according to claim 2, characterized in that: The mass ratio of potassium bicarbonate to deionized water in S1 is 1:
3.
4. The method for preparing a gemidonitrotetrazole energetic material according to claim 2, characterized in that: The organic solvents in S2, S4 and S5 are all one of methanol, ethanol or acetonitrile.
5. The method for preparing a gemidonitrotetrazole energetic material according to claim 2, characterized in that: S2 contains 2,2''-bis(dinitromethyl)-2 H ,2'' H The molar ratio of -5,2':5',5''-tritetrazolium to potassium bicarbonate is 1.1~1.5:2; 2,2''-bis(dinitromethyl)-2 H ,2'' H The ratio of -5,2':5',5''-tritetrazolium to organic solvent is 1 mmol: 10~20 mL.
6. The method for preparing a gemidonitrotetrazole energetic material according to claim 2, characterized in that: The stirring speed in S3 is 400~500r. min, dropping rate is 0.5~1 drop s.
7. The method for preparing a gemidonitrotetrazole energetic material according to claim 2, characterized in that: The organic solvent in S4 is the same as the organic solvent in S2, and the amount of organic solvent used in S4 is half that used in S2.
8. The method for preparing a gemidonitrotetrazole energetic material according to claim 2, characterized in that: The drying conditions in S5 are 35°C. Dry under a blower for 3 hours.
9. The application of the gemidonitrotetrazole energetic material as described in claim 1 as a laser-initiated ignition propellant.
Citation Information
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