CN111004075A - Aluminum-containing explosive composition - Google Patents
Aluminum-containing explosive composition Download PDFInfo
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- CN111004075A CN111004075A CN201911201546.2A CN201911201546A CN111004075A CN 111004075 A CN111004075 A CN 111004075A CN 201911201546 A CN201911201546 A CN 201911201546A CN 111004075 A CN111004075 A CN 111004075A
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- aluminum
- explosive composition
- containing explosive
- thermoplastic elastomer
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
- C06B33/12—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
- C06B33/02—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide with an organic non-explosive or an organic non-thermic component
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an aluminum-containing explosive composition, which aims to solve the problem of (C)6H14N2)[NH4(ClO4)3]High mechanical sensitivity and low energy of the compound. The invention is composed of (C)6H14N2)[NH4(ClO4)3]The high-energy-content thermoplastic elastomer is composed of high amine chlorate, poly glycidyl azide type energy-containing thermoplastic elastomer, aluminum powder, graphite and paraffin. The invention is mainly used for charging the ammunition of the air blasting weapon.
Description
Technical Field
The invention relates to a mixed explosive, in particular to an aluminum-containing explosive composition, which is suitable for charging air blasting weapon ammunition.
Background
(C6H14N2)[NH4(ClO4)3]Is a perovskite compound and can be used as an energetic material to be applied to the field of explosives and powders. Zhang Wei Xiong et al disclose the use of a class of compounds as energetic materials (patent No. 201610665880.3, 2016, 8/12/P16-18) as a theoretical density (1.98 g/cm)3) Higher than RDX and HMX, lower than RDX, HMX and CL-20 in mechanical sensitivity (28% in impact sensitivity and 70% in friction sensitivity), balanced with oxygen (CO)2Calculated as-27.87) is more negative than RDX and HMX, has higher detonation heat (5691J/g) than RDX, has low production cost, is a novel explosive compound and is expected to be used for charging aerial blasting type weapon ammunition. However, no use of this compound in this respect has been seen in China.
Disclosure of Invention
In order to overcome the defects of the background art, the invention provides a novel aluminum-containing explosive composition with low mechanical sensitivity and high explosive heat energy.
The invention comprises the following components in percentage by mass: 45 to 50 percent (C)6H14N2)[NH4(ClO4)3]10 to 15 percent of amine perchlorate, 30 to 35 percent of aluminum powder, 1 to 2 percent of poly-nitrogen-stacked glycidyl ether type energetic thermoplastic elastomer, 0 to 1 percent of graphite and 2 to 3 percent of paraffin.
The preferable scheme of the invention comprises the following components in percentage by mass: 50% (C)6H14N2)[NH4(ClO4)3]10% of ammonium perchlorate, 35% of aluminum powder, 2% of polyazidine glycidyl ether type energy-containing thermoplastic elastomer, 0.5% of graphite and 2.5% of paraffin.
The invention has the advantages that:
(1) the novel aluminum-containing explosive composition of the invention can be molded at the normal temperature with the lowest normal-temperature molding density of 2.0g/cm3The self theoretical density is up to 97.6%, the relative molding density is high, and the explosion heat is higher than 7900J/g.
(2) The novel aluminum-containing explosive composition has low friction sensitivity and impact sensitivity and good safety.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Examples of (C)6H14N2)[NH4(ClO4)3]Provided by Zhang Weixiong, etc. of Zhongshan university, the amine perchlorate is provided by Riming chemical research, the aluminum powder is provided by Anshan Steel industry micro aluminum powder Co Ltd, the poly glycidyl azide ether type energetic thermoplastic elastomer is provided by Xian recent chemical research institute, the graphite is provided by Shanghai Kong graphite Co Ltd, the paraffin is provided by Shaanxi Hengzhi fine chemicals Co Ltd,
the impact sensitivity test of explosives is evaluated according to GJB772A-1997 method 601.1; the characteristic drop test was evaluated according to GJB772A-1997 method 601.2; the rub sensitivity test was evaluated as per method 602.1 GJB 772A-1997; the molding density test was evaluated according to GJB772A-1997 method 401.2; the detonation heat test was evaluated according to method 301.2 compiled in methods for testing the formulation properties of military Mixed explosives.
Example 1
The present embodiment is implemented with reference to the following mass percentage compositions: 50% (C)6H14N2)[NH4(ClO4)3]10% of ammonium perchlorate, 35% of aluminum powder, 2% of polyazidine glycidyl ether type energy-containing thermoplastic elastomer, 0.5% of graphite and 2.5% of paraffin.
Preparation of this example (taking 1000g as an example) method: the temperature of the granulation kettle is adjusted to 65 +/-2 ℃, and 500g (C)6H14N2)[NH4(ClO4)3]Adding the compound and 100g of ammonium perchlorate into a granulation kettle, adding 100mL of dichloroethane solvent for infiltration, adding 25g of paraffin petroleum ether solution into the granulation kettle after uniform mixing, stirring for 10min, then adding 20g of dichloroethane solution of poly-azido glycidyl ether type energetic thermoplastic elastomer into the mixture, stirring for 10min, then adding 350g of aluminum powder and 5g of graphite into the mixture, and stirring for 30min to obtain a mixture; then drying the sample in a water bath oven at 60 ℃ for 4h, and collectingAnd collecting samples.
Example 2
The present embodiment is implemented with reference to the following mass percentage compositions: 45% (C)6H14N2)[NH4(ClO4)3]15 percent of perchloric acid amine, 35 percent of aluminum powder, 2 percent of polyazidine glycidyl ether type energy-containing thermoplastic elastomer, 0.5 percent of graphite and 2.5 percent of paraffin.
Preparation of this example (taking 1000g as an example) method: the temperature of the granulation kettle is adjusted to 65 +/-2 ℃, and 450g (C) of the mixture is added6H14N2)[NH4(ClO4)3]Adding the compound and 150g of ammonium perchlorate into a granulation kettle, adding 100mL of dichloroethane solvent for infiltration, adding 25g of paraffin petroleum ether solution into the granulation kettle after uniform mixing, stirring for 10min, then adding 20g of dichloroethane solution of poly-azido glycidyl ether type energetic thermoplastic elastomer into the mixture, stirring for 10min, then adding 350g of aluminum powder and 5g of graphite into the mixture, and stirring for 30min to obtain a mixture; then, the sample is dried in a water bath oven at 60 ℃ for 4 hours, and then the sample is collected.
Example 3
The present embodiment is implemented with reference to the following mass percentage compositions: 50% (C)6H14N2)[NH4(ClO4)3]15 percent of perchloric acid amine, 30 percent of aluminum powder, 2 percent of polyazidine glycidyl ether type energy-containing thermoplastic elastomer, 0.5 percent of graphite and 2.5 percent of paraffin.
Preparation of this example (taking 1000g as an example) method: the temperature of the granulation kettle is adjusted to 65 +/-2 ℃, and 500g (C)6H14N2)[NH4(ClO4)3]Adding the compound and 150g of ammonium perchlorate into a granulation kettle, adding 100mL of dichloroethane solvent for infiltration, adding 25g of paraffin petroleum ether solution into the granulation kettle after uniform mixing, stirring for 10min, then adding 20g of dichloroethane solution of poly-azido glycidyl ether type energetic thermoplastic elastomer into the mixture, stirring for 10min, then adding 300g of aluminum powder and 5g of graphite into the mixture, and stirring for 30min to obtain a mixture; then drying the sample in a water bath oven at 60 ℃ for 4h, and collecting the sampleAnd (5) preparing the product.
Performance testing of the invention
TABLE 1 physical Properties and mechanical sensitivity data for novel aluminum-containing explosive compositions
| Explosive | Example 1 | Example 2 | Example 3 |
| Theoretical density, g/cm3 | 2.088 | 2.086 | 2.057 |
| Formed Density, g/cm3 | 2.042 | 2.035 | 2.008 |
| Relative density of% | 97.80 | 97.55 | 97.62 |
| Degree of sensitivity to impact,% | 0 | 4 | 4 |
| Characteristic drop height H50，mm | 125 | 125 | 125 |
| Degree of friction sensitivity,% | 4 | 8 | 4 |
| Heat of detonation, J/g | 8224 | 7966 | 7925 |
The performance test data show that the novel aluminum-containing explosive composition has low mechanical sensitivity, high relative molding density, high explosion heat and good safety.
Claims (5)
1. An aluminum-containing explosive composition is characterized by comprising the following components in percentage by mass:
2. the aluminum-containing explosive composition according to claim 1, wherein the components comprise, in mass percent:
3. aluminium-containing explosive composition according to claim 1 or 2, wherein said amine perchlorate is an ultrafine material with a particle size d506-8 μm.
4.Aluminum-containing explosive composition according to claim 1 or 2, wherein the aluminum powder particle size d is5012.5 to 14.5 mu m.
5. The aluminum-containing explosive composition according to claim 1 or 2, wherein the polyaza glycidyl ether type energetic thermoplastic elastomer is GAP based ETPE and has a relative molecular mass of 1.8 ten thousand.
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| CN201911201546.2A CN111004075B (en) | 2019-11-29 | 2019-11-29 | Aluminum-containing explosive composition |
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| CN201911201546.2A CN111004075B (en) | 2019-11-29 | 2019-11-29 | Aluminum-containing explosive composition |
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| CN111004075A true CN111004075A (en) | 2020-04-14 |
| CN111004075B CN111004075B (en) | 2021-09-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113480388A (en) * | 2021-08-03 | 2021-10-08 | 西安近代化学研究所 | Initiating explosive composition and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6607618B1 (en) * | 2000-08-28 | 2003-08-19 | The United States Of America As Represented By The Secretary Of The Army | Propellant compositions |
| CN1669998A (en) * | 2005-03-28 | 2005-09-21 | 西安近代化学研究所 | Thermotolerant mixed explosive for oil field |
| CN103159577A (en) * | 2013-03-27 | 2013-06-19 | 北京理工大学 | Underwater high-energy explosive containing ADN, and preparation method thereof |
| CN106278771A (en) * | 2016-08-12 | 2017-01-04 | 中山大学 | One compounds is as the purposes in terms of energetic material |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6607618B1 (en) * | 2000-08-28 | 2003-08-19 | The United States Of America As Represented By The Secretary Of The Army | Propellant compositions |
| CN1669998A (en) * | 2005-03-28 | 2005-09-21 | 西安近代化学研究所 | Thermotolerant mixed explosive for oil field |
| CN103159577A (en) * | 2013-03-27 | 2013-06-19 | 北京理工大学 | Underwater high-energy explosive containing ADN, and preparation method thereof |
| CN106278771A (en) * | 2016-08-12 | 2017-01-04 | 中山大学 | One compounds is as the purposes in terms of energetic material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113480388A (en) * | 2021-08-03 | 2021-10-08 | 西安近代化学研究所 | Initiating explosive composition and preparation method thereof |
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