Environment-friendly explosive simulation material and application thereof in hand grenades
By mixing compounds such as vinyl methyl ether with specific ratios with binders, the problem of safety hazards of existing explosive simulation materials is solved, and a green environmentally friendly explosive simulation material that can accurately simulate the performance of real explosives is prepared to improve the performance of the explosives. The security of military training.
Patent Information
- Application Number
- CN202411799332.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-02-25
AI Technical Summary
Existing explosive simulation materials have safety risks. Barium nitrate is toxic and flammable and explosive, making it difficult to meet the needs of personal safety guarantee in military training.
Using vinyl methyl ether, dimethyl carbonate or vinyl carbonate, isopropyl alcohol or methyl ethyl carbonate, and ethylene oxide with a molar ratio of 1:1 as a substitute for the main explosives, as well as binders and plasticizers Mix and prepare with curing agent to form a green and environmentally friendly explosive simulated material.
The prepared green and environmentally friendly explosive simulation materials have good molding performance and uniform filling, which can accurately simulate the density and mechanical properties of real explosives, and have no explosive danger, improving training safety.
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Abstract
Description
Technical Field
[0001] The invention belongs to the field of explosive simulation materials, and in particular relates to a green and environment-friendly explosive simulation material and application thereof in hand grenades. Background Art
[0002] In military training, grenade throwing training is often required. If the grenades are live ammunition, although the trainees have received certain simulated bomb throwing training before throwing live ammunition, safety accidents may still occur during training due to excessive tension and other problems, resulting in casualties.
[0003] Therefore, the invention of explosive simulation materials to prepare hand grenades for training is of great significance to ensure the personal safety of trainees. Explosive simulation materials are special explosive formulas without explosive equivalents. They are composed of substitutes for the main explosives and a binder system. Their mechanical properties and simulated explosive charge density are equivalent to those of real explosive formulas, but they are not as dangerous as explosives. Traditionally, barium nitrate is often used as a simulated explosive material. However, the ingestion and absorption of barium nitrate is toxic, and barium nitrate is easily in contact with flammable materials and organic matter, and friction or collision can cause combustion or explosion. Therefore, the research and development of green and environmentally friendly explosive simulation materials is of great significance. Summary of the invention
[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a green and environmentally friendly explosive simulation material, which has good molding performance, uniform internal filling of the product, and can accurately simulate the density and mechanical properties of real explosives.
[0005] The object of the present invention is to provide a green and environmentally friendly explosive simulation composition, which is composed of at least one of the following formulas: Formula 1: vinyl methyl ether and dimethyl carbonate in a molar ratio of 1:1; Formula 2: ethylene carbonate and isopropyl alcohol in a molar ratio of 1:1; Formula 3: ethyl methyl carbonate and ethylene oxide in a molar ratio of 1:1.
[0006] Another object of the present invention is to provide a method for preparing a green and environmentally friendly explosive simulation composition, comprising the following steps: Any of the above formula raw materials are mixed, heated to 45-64° C., stirred evenly, and cooled to room temperature to obtain a green and environmentally friendly explosive simulation composition.
[0007] Another object of the present invention is to provide a green and environmentally friendly explosive simulation material, which comprises 50-80% of the green and environmentally friendly explosive simulation composition by mass percentage.
[0008] In some embodiments of the present invention, the green and environmentally friendly explosive simulation material also includes 10-25% binder, 5-15% plasticizer and 0.5-5% curing agent.
[0009] In some embodiments of the present invention, the binder is selected from hydroxyl-terminated polybutadiene.
[0010] In some embodiments of the present invention, the plasticizer is selected from dioctyl sebacate.
[0011] In some embodiments of the present invention, the curing agent is selected from at least one of toluene diisocyanate, isophorone diisocyanate, 1,6-hexamethylene diisocyanate, meta-xylylene diisocyanate, tetramethylxylylene diisocyanate, 4,4'-diphenylmethylene diisocyanate, triphenylmethane triisocyanate, 1,3,5-benzene triisocyanate, and 2,4,6-toluene triisocyanate.
[0012] Another object of the present invention is to provide a method for preparing a green and environmentally friendly explosive simulation material, comprising the following steps: 50-80% of the green and environmentally friendly explosive simulation composition, 10-25% of a binder, 5-15% of a plasticizer and 0.5-5% of a curing agent are mixed, stirred, kneaded, ground, heated and cured to obtain a green and environmentally friendly explosive simulation material.
[0013] In some embodiments of the present invention, the temperature of the heating curing is 60-70° C. and the time is 50-70 hours.
[0014] In some embodiments of the present invention, the kneading speed is 10-20 r / min and the kneading time is 10-15 min.
[0015] Another object of the present invention is to provide an application of the green and environmentally friendly explosive simulation material in the preparation of grenades.
[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention adopts vinyl methyl ether and dimethyl carbonate in a molar ratio of 1:1 or ethylene carbonate and isopropanol in a molar ratio of 1:1 or ethyl methyl carbonate and ethylene oxide in a molar ratio of 1:1 as substitutes for the main explosive, and mixes them with a binder, a plasticizer and a curing agent to prepare a green and environmentally friendly explosive simulation material, which has good molding performance, is evenly filled inside the product, and can accurately simulate the density and mechanical properties of real explosives. DETAILED DESCRIPTION
[0017] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.
[0018] Example 1 The present invention provides a green and environmentally friendly explosive simulation composition, which specifically comprises the following steps: Vinyl methyl ether and dimethyl carbonate in a molar ratio of 1:1 are mixed, the temperature is raised to 45-64° C., the mixture is stirred evenly, and the mixture is cooled to room temperature to obtain a green environmentally friendly explosive simulation composition.
[0019] Example 2 The present invention provides a green and environmentally friendly explosive simulation composition, which specifically comprises the following steps: Ethylene carbonate and isopropanol in a molar ratio of 1:1 are mixed, the temperature is raised to 45-64° C., the mixture is stirred evenly, and the mixture is cooled to room temperature to obtain a green and environmentally friendly explosive simulation composition.
[0020] Example 3 The present invention provides a green and environmentally friendly explosive simulation composition, which specifically comprises the following steps: Ethyl methyl carbonate and ethylene oxide in a molar ratio of 1:1 are mixed, the temperature is raised to 45-64° C., the mixture is stirred evenly, and the mixture is cooled to room temperature to obtain a green environmentally friendly explosive simulation composition.
[0021] Example 4 The present invention provides a green and environmentally friendly explosive simulation material, comprising the following steps: 50.5% of the green and environmentally friendly explosive simulation composition prepared in Example 1, 25% of terminal hydroxyl polybutadiene, 15% of dioctyl sebacate and 5% of toluene diisocyanate were mixed, stirred, kneaded at 10-20 r / min for 10-15 min, ground, and heated and cured at 60-70° C. for 50-70 hours to obtain a green and environmentally friendly explosive simulation material.
[0022] Example 5 The present invention provides a green and environmentally friendly explosive simulation material, comprising the following steps: 80% of the green and environmentally friendly explosive simulation composition prepared in Example 2, 10% of terminal hydroxyl polybutadiene, 5% of dioctyl sebacate and 0.5% of toluene diisocyanate were mixed, stirred, kneaded at 10-20 r / min for 10-15 min, ground, and heated and cured at 60-70° C. for 50-70 hours to obtain a green and environmentally friendly explosive simulation material.
[0023] Example 6 The present invention provides a green and environmentally friendly explosive simulation material, comprising the following steps: 65% of the green and environmentally friendly explosive simulation composition prepared in Example 3, 18% of terminal hydroxyl polybutadiene, 10% of dioctyl sebacate and 2.5% of toluene diisocyanate were mixed, stirred, kneaded at 10-20 r / min for 10-15 min, ground, and heated and cured at 60-70° C. for 50-70 hours to obtain a green and environmentally friendly explosive simulation material.
[0024] The density, color appearance, atomic number of the green and environmentally friendly explosive simulation composition and the acetone peroxide dimer data are compared in Table 1.
[0025] Table 1. Comparison of data of green and environmentally friendly explosive simulation composition and acetone peroxide dimer.
[0026]
[0027] As shown in Table 1, the green and environmentally friendly explosive simulation compositions of Examples 1 to 3 are similar in density, color and atomic number to the acetone peroxide dimer and can serve as substitutes for the main explosive.
[0028] The specific performance indicators of the green and environmentally friendly explosive simulation materials of Examples 4 to 6 are as follows: Table 2. Specific performance indicators of green and environmentally friendly explosive simulation materials.
[0029]
[0030] As can be seen from Table 2, the green and environmentally friendly explosive simulation materials of Examples 4 to 6 have similar densities and tensile strengths to those of PBX explosives and can be used to simulate PBX explosives.
[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that after reading the specification of this application, the technicians can still modify or replace the specific implementation mode of the present invention with equivalents, but these modifications or changes do not deviate from the scope of protection of the pending claims of the present application.
Claims
1. A green and environmentally friendly explosive simulation composition, characterized in that: It is composed of at least one of the following formulations: Formula 1: vinyl methyl ether and dimethyl carbonate in a molar ratio of 1:1; Formula 2: ethylene carbonate and isopropyl alcohol in a molar ratio of 1:1; Formula 3: ethyl methyl carbonate and ethylene oxide in a molar ratio of 1:
1.
2. A method for preparing a green and environmentally friendly explosive simulation composition, characterized in that: The steps include: The raw materials of the formula as claimed in claim 1 are mixed, heated to 45-64° C., stirred evenly, and cooled to room temperature to obtain a green and environmentally friendly explosive simulation composition.
3. A green and environmentally friendly explosive simulation material, characterized in that: Calculated by mass percentage, it comprises 50-80% of the green and environmentally friendly explosive simulation composition as described in claim 1.
4. The green and environmentally friendly explosive simulation material as claimed in claim 3, characterized in that: It also includes 10-25% binder, 5-15% plasticizer and 0.5-5% curing agent.
5. The green and environmentally friendly explosive simulation material as claimed in claim 4, characterized in that: The binder is selected from hydroxyl-terminated polybutadiene.
6. The green and environmentally friendly explosive simulation material as claimed in claim 4, characterized in that: The plasticizer is selected from dioctyl sebacate.
7. The green and environmentally friendly explosive simulation material as claimed in claim 4, characterized in that: The curing agent is selected from at least one of toluene diisocyanate, isophorone diisocyanate, 1,6-hexamethylene diisocyanate, meta-xylylene diisocyanate, tetramethylxylylene diisocyanate, 4,4'-diphenylmethylene diisocyanate, triphenylmethane triisocyanate, 1,3,5-benzene triisocyanate and 2,4,6-toluene triisocyanate.
8. A method for preparing a green and environmentally friendly explosive simulation material, characterized in that: The steps include: 50-80% of the green and environmentally friendly explosive simulation composition as claimed in claim 1, 10-25% of a binder, 5-15% of a plasticizer and 0.5-5% of a curing agent are mixed, stirred, kneaded, ground, heated and cured to obtain a green and environmentally friendly explosive simulation material.
9. The method for preparing the green and environmentally friendly explosive simulation material as claimed in claim 8, characterized in that: The heating curing temperature is 60-70° C. and the time is 50-70 hours.
10. Use of the green and environmentally friendly explosive simulation material according to any one of claims 3 to 7 in preparing grenades.