CN116813439A - Preparation method of light high-strength quick-combustion material - Google Patents
Preparation method of light high-strength quick-combustion material Download PDFInfo
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- CN116813439A CN116813439A CN202211743825.3A CN202211743825A CN116813439A CN 116813439 A CN116813439 A CN 116813439A CN 202211743825 A CN202211743825 A CN 202211743825A CN 116813439 A CN116813439 A CN 116813439A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 24
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- -1 polytetrafluoroethylene, hexafluoropropylene Polymers 0.000 claims abstract description 15
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011737 fluorine Substances 0.000 claims abstract description 14
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 14
- 229920002959 polymer blend Polymers 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 8
- 239000004917 carbon fiber Substances 0.000 claims abstract description 8
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000004645 aluminates Chemical class 0.000 claims abstract description 7
- 239000007822 coupling agent Substances 0.000 claims abstract description 7
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 7
- 239000011812 mixed powder Substances 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 7
- 229920002620 polyvinyl fluoride Polymers 0.000 claims abstract description 7
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 7
- 238000000748 compression moulding Methods 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 39
- 239000002002 slurry Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 229920002313 fluoropolymer Polymers 0.000 claims 1
- 239000004811 fluoropolymer Substances 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 6
- 229920000642 polymer Polymers 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 2
- 239000002360 explosive Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- POCJOGNVFHPZNS-ZJUUUORDSA-N (6S,7R)-2-azaspiro[5.5]undecan-7-ol Chemical class O[C@@H]1CCCC[C@]11CNCCC1 POCJOGNVFHPZNS-ZJUUUORDSA-N 0.000 description 1
- 229920013646 Hycar Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920007790 polymethacrylimide foam Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0033—Shaping the mixture
- C06B21/0041—Shaping the mixture by compression
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
- C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
- C06D5/06—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets by reaction of two or more solids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A preparation method of a light high-strength quick-combustion material belongs to the technical field of energetic materials. The method is characterized in that: the lightweight high-strength quick-combustion material is formed by respectively carrying out coupling reaction on the alumina hollow spheres, metal powder, a fluorine polymer mixture and a carbon material, wherein the mass fraction of the alumina hollow spheres is 10-50%, the mass fraction of the metal powder is 25-65% and the mass fraction of the aluminum oxide hollow spheres is 10-25%, the aluminum oxide hollow spheres and an aluminate coupling agent are subjected to coupling reaction, the metal powder is mixed powder of Al, mg and Ta, the fluorine polymer is a mixture of polytetrafluoroethylene, hexafluoropropylene, polyvinyl fluoride and polytetrafluoroethylene micro powder, the carbon material is a mixture of graphene and carbon fiber, and the mixture is subjected to compression molding at 200-300 ℃ after being mixed, so that the lightweight high-strength quick-combustion material with the constant compression ignition speed of 200-400 mm/-, the density of 0.7-1.5 g/cm < 3 >, and the tensile strength and the compressive strength of 4-6 MPa and 6-8 MPa is obtained. The material has important application potential in the fields of engine filling and the like.
Description
Technical Field
The invention belongs to the technical field of energetic materials, and relates to a preparation method of a light high-strength quick-combustion material.
Background
As early as seventies of the twentieth century, the united states proposed a theory of convective combustion of gas permeable grains with a porous structure, which burn at speeds greater than 1m/s, hundreds of times the speed of a typical solid propellant. The formula of the grain contains about 12% of boronate substances, the oxidant is mainly nitramine compounds, and the binder is mainly azidoglycidyl polymer GAP, HYCAR binder and the like.
To understand the combustion rate and pressure curves of ultra-high-rate materials and explore their combustion mechanisms, researchers have tried various methods to test and characterize ultra-high-rate materials. The May et al developed an improved method of testing a closed explosive burner in which the diameter of the combustion chamber was equal to the diameter of the explosive column, the length of the combustion chamber was increased, the bottom end of the explosive column was provided with a stress plate, and pressure sensors were provided at different positions in the length direction, so that the pressure changes at different positions in the combustion process and the stresses acting on the bottom end of the explosive column could be measured. The maximum stress was found to be twice the maximum stress, indicating that the thrust force due to the overspeed combustion exceeds the pressure developed by the gas production, and that the dependence of the combustion speed on pressure and stress is similar. Although research on quick-burning materials has been greatly progressed abroad, there is a great distance from practical application. Researchers do not fully know the combustion process and mechanism of the porous air-permeable ultrahigh-speed combustion material, the regularity of the ultrahigh-speed convection combustion influenced by the factors such as pore structure, porosity, mechanical property and the like is not mastered, the combustion theory and test technology need to be developed, and the problems of combustion stability, combustion-to-detonation, safety and the like need to be studied.
The reports on the quick-combustion materials are fewer in China, the actual high-combustion-speed materials reported in literature have the combustion speed of more than 70mm/s under 7Mpa, and the materials cannot meet the requirements of quick-combustion support materials on the aspect of high combustion speed. Recently, yang Shiqing and the like disclose a high-energy and high-combustion-speed composite material and a preparation method thereof [ Yang Shiqing, li Yi, and a meter-grade ultrahigh-combustion-speed high-energy compact composite material and a preparation method thereof, CN106518583A]The burning speed of the material is up to more than 1000mm/s, but the density of the material is up to 2g/cm 3 Adverse to the reduction of negative mass during application. To reduceThe density of quick-combustion material, zhang Daibing, etc. discloses a quick-combustion material with lower density [ [ Zhang Daibing, lv Xiaoyu ], a preparation method of light quick-combustion material, CN111592435.A]The work is that the carbon fiber composite polymethacrylimide foam with the mass fraction of 20-80% and the quick-burning material with the mass fraction of 20-80% are used as main matrixes, polytetrafluoroethylene with the thickness of 1-2 mu m is used as an interface layer for compounding, the density of the quick-burning material is effectively reduced, however, the mechanical strength is not high, and the structural support in certain fields cannot be met.
Disclosure of Invention
Based on the method, the light rapid-combustion material with high strength is prepared, and is more beneficial to the fields of filling in grains and the like.
The invention provides a light high-strength quick-combustion material which is characterized by comprising 10-50% of alumina hollow spheres, 20-50% of metal powder, 25-65% of fluorine polymer mixture and 10-25% of carbon material by mass percent; coupling reaction is carried out on aluminate coupling agent and alumina hollow sphere with the mass ratio of 1:100 at the temperature of 80-100 ℃, the mixture of polytetrafluoroethylene, hexafluoropropylene, polyvinyl fluoride and polytetrafluoroethylene micro powder is dissolved into ethyl acetate solvent for standby after coupling, after the mixture of fluorine polymer is fully dissolved, the mixture is fully stirred for 2-4 hours at the temperature of 300-700 r/min, the mixture of alumina hollow sphere, mixed powder of Al, mg and Ta, graphene and carbon fiber after coupling is added successively, stirring is continued for 2-4 hours until uniformity, the reaction temperature is increased to 80 ℃ to remove part of ethyl acetate, thus obtaining light high-strength quick-combustion material slurry, compression molding is carried out at the temperature of 200-300 ℃ to obtain the mixture with the constant-pressure combustion speed of 200-400 mm/s and the density of 0.7-1.5 g/cm 3 The tensile strength and the compressive strength are respectively 4-6 MPa and 4-8 MPa.
At present, the obtained constant pressure fuel has a speed of 200-400 mm/s and a density of 0.7-1.5 g/cm 3 The light high-strength quick-combustion materials with tensile strength of 4-6 MPa and compressive strength of 4-8 MPa are not reported.
Detailed Description
1. 15%,35%, 37% and 13% of alumina voids by massWeighing a mixture of a heart ball, metal powder, fluorine polymer and carbon material, performing coupling reaction on an aluminate coupling agent and an alumina hollow ball in a mass ratio of 1:100 at a temperature of 100 ℃, placing for standby after coupling, dissolving a mixture of polytetrafluoroethylene, hexafluoropropylene, polyvinyl fluoride and polytetrafluoroethylene micro powder into an ethyl acetate solvent, fully stirring for 3 hours under a condition of 500r/min after the fluorine polymer mixture is fully dissolved, continuously adding a mixture of the mixed powder of the coupled alumina hollow ball, al, mg and Ta, graphene and carbon fiber, continuously stirring for 4 hours to be uniform, adding a reaction temperature to 80 ℃ to remove part of ethyl acetate to obtain light high-strength quick-combustion material slurry, performing compression molding at 200 ℃ to obtain a constant-pressure combustion speed of 380 mm/s+/-30 mm/s and a density of 1.4g/cm 3 The tensile strength and the compressive strength are respectively 4.5MPa and 5.9 MPa.
2. Weighing alumina hollow spheres, metal powder, a fluorine polymer mixture and carbon materials with mass fractions of 25%,27%, 30% and 18%, respectively, carrying out coupling reaction on an aluminate coupling agent and the alumina hollow spheres with mass ratio of 1:100 at 100 ℃, placing for standby after coupling, dissolving a mixture of polytetrafluoroethylene, hexafluoropropylene, polyvinyl fluoride and polytetrafluoroethylene micro powder into an ethyl acetate solvent, fully stirring for 2.5 hours under the condition of 550r/min after the fluorine polymer mixture is fully dissolved, continuously stirring the mixture of the coupled alumina hollow spheres, mixed powder of Al, mg and Ta, graphene and carbon fiber for 2.5 hours until uniformity, adding the reaction temperature to 80 ℃ to remove part of ethyl acetate to obtain light high-strength quick-combustion material slurry, carrying out compression molding at 250 ℃ to obtain the high-strength quick-combustion material slurry with a constant speed of 320 mm/s+/-30 mm/s and a density of 1.1g/cm 3 The tensile strength and the compressive strength are respectively 4.9MPa and 6.5 MPa.
3. Weighing 30%,25% and 20% of alumina hollow spheres, metal powder, fluorine polymer mixture and carbon material according to the mass fraction, performing coupling reaction on an aluminate coupling agent and the alumina hollow spheres in the mass ratio of 1:100 at 80 ℃, placing the coupled hollow spheres for standby, and obtaining polytetrafluoroethylene, hexafluoropropylene, polyvinyl fluoride and polytetrafluoroethyleneDissolving the mixture of the alkene micro powder into an ethyl acetate solvent, fully stirring for 3 hours under the condition of 600r/min after the fluorine polymer mixture is fully dissolved, sequentially adding the coupled alumina hollow spheres, the mixed powder of Al, mg and Ta, the mixture of graphene and carbon fibers, continuously stirring for 3 hours to be uniform, adding the reaction temperature to 80 ℃ to remove part of ethyl acetate, obtaining light high-strength quick-combustion material slurry, and carrying out compression molding under the condition of 280 ℃ to obtain the high-strength quick-combustion material slurry with the constant compression speed of 280mm/s +/-30 mm/s and the density of 0.9g/cm 3 The tensile strength and the compressive strength are respectively 5.2MPa and 6.9 MPa.
4. According to the weight percentage of 43%,17%, 19% and 21% of alumina hollow sphere, metal powder, fluorine polymer mixture and carbon material, the aluminate coupling agent and alumina hollow sphere with the weight percentage of 1:100 are subjected to coupling reaction at 80 ℃, are placed for standby after coupling, the mixture of polytetrafluoroethylene, hexafluoropropylene, polyvinyl fluoride and polytetrafluoroethylene micro powder is dissolved into ethyl acetate solvent, after the fluorine polymer mixture is fully dissolved, the mixture is fully stirred for 2 hours at 700r/min, the mixture of the mixed powder of the alumina hollow sphere, al, mg and Ta and the mixture of graphene and carbon fiber after coupling is added successively, stirring is continued for 2 hours to be uniform, the reaction temperature is increased to 80 ℃ to remove part of ethyl acetate to obtain light high-strength quick-combustion material slurry, and the slurry is molded at 300 ℃ to obtain the high-strength quick-combustion material slurry with the constant compression speed of 240 mm/s+/-30 mm/s and the density of 0.9g/cm 3 The tensile strength and the compressive strength are respectively 5.8MPa and 7.4 MPa.
Claims (1)
1. A preparation method of a light high-strength quick-combustion material is characterized by comprising the following steps: the light high-strength quick-combustion material consists of 10-50% of alumina hollow spheres, 20-50% of metal powder, 25-65% of fluorine polymer mixture and 10-25% of carbon material by mass fraction, and the preparation method comprises the steps of dissolving the mixture of polytetrafluoroethylene, hexafluoropropylene, polyvinyl fluoride and polytetrafluoroethylene micro powder into an ethyl acetate solvent, and fully dissolving the fluorine polymer mixture for later use; coupling reaction is carried out on aluminate coupling agent and alumina hollow sphere with the mass ratio of 1:100 at the temperature of 80-100 ℃, and coupling is carried outPlacing the mixture for later use; fully stirring the mixed fluoropolymer and ethyl acetate mixture for 2-4 hours under the condition of 300-700 r/min, sequentially adding the coupled alumina hollow spheres, the mixed powder of Al, mg and Ta and the mixture of graphene and carbon fibers, continuously stirring for 2-4 hours until the mixture is uniform, adding the reaction temperature to remove part of ethyl acetate to obtain light high-strength quick-combustion material slurry, and standing for later use; compression molding the light high-strength quick-combustion material slurry at 200-300 ℃ to obtain the high-strength quick-combustion material with the constant-pressure combustion speed of 200-400 mm/s and the density of 0.7-1.5 g/cm 3 The tensile strength and the compressive strength are respectively 4-6 MPa and 4-8 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211743825.3A CN116813439A (en) | 2022-12-21 | 2022-12-21 | Preparation method of light high-strength quick-combustion material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211743825.3A CN116813439A (en) | 2022-12-21 | 2022-12-21 | Preparation method of light high-strength quick-combustion material |
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| CN116813439A true CN116813439A (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211743825.3A Pending CN116813439A (en) | 2022-12-21 | 2022-12-21 | Preparation method of light high-strength quick-combustion material |
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| Country | Link |
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| CN (1) | CN116813439A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6090888A (en) * | 1983-10-21 | 1985-05-22 | 日本油脂株式会社 | Manufacture of water-in-oil emulsion explosive |
| WO1989004735A1 (en) * | 1987-11-25 | 1989-06-01 | Ceramics Process Systems Corporation | Process of preparing sintered shapes containing reinforcement |
| CN103087463A (en) * | 2013-01-28 | 2013-05-08 | 奇瑞汽车股份有限公司 | Light composite material |
| US9102576B1 (en) * | 2012-05-31 | 2015-08-11 | The United States Of America As Represented By The Secretary Of The Air Force | Particulate-based reactive nanocomposites and methods of making and using the same |
| GB201521183D0 (en) * | 2015-12-01 | 2016-01-13 | Univ Tallinn Technology | A composite shielding material and a process of making the same |
| CN106518583A (en) * | 2016-10-27 | 2017-03-22 | 中国人民解放军国防科学技术大学 | Meter-level very-high-burning-rate high-energy dense composite material and preparation method thereof |
| CN111592435A (en) * | 2020-05-20 | 2020-08-28 | 内蒙古大学 | Preparation method of light fast-burning material |
| CN111996406A (en) * | 2020-08-25 | 2020-11-27 | 哈尔滨工业大学 | Preparation method of in-situ synthesized aluminum oxide-aluminum nitride synergistic graphene reinforced aluminum-based composite material |
-
2022
- 2022-12-21 CN CN202211743825.3A patent/CN116813439A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6090888A (en) * | 1983-10-21 | 1985-05-22 | 日本油脂株式会社 | Manufacture of water-in-oil emulsion explosive |
| WO1989004735A1 (en) * | 1987-11-25 | 1989-06-01 | Ceramics Process Systems Corporation | Process of preparing sintered shapes containing reinforcement |
| US9102576B1 (en) * | 2012-05-31 | 2015-08-11 | The United States Of America As Represented By The Secretary Of The Air Force | Particulate-based reactive nanocomposites and methods of making and using the same |
| CN103087463A (en) * | 2013-01-28 | 2013-05-08 | 奇瑞汽车股份有限公司 | Light composite material |
| GB201521183D0 (en) * | 2015-12-01 | 2016-01-13 | Univ Tallinn Technology | A composite shielding material and a process of making the same |
| CN106518583A (en) * | 2016-10-27 | 2017-03-22 | 中国人民解放军国防科学技术大学 | Meter-level very-high-burning-rate high-energy dense composite material and preparation method thereof |
| CN111592435A (en) * | 2020-05-20 | 2020-08-28 | 内蒙古大学 | Preparation method of light fast-burning material |
| CN111996406A (en) * | 2020-08-25 | 2020-11-27 | 哈尔滨工业大学 | Preparation method of in-situ synthesized aluminum oxide-aluminum nitride synergistic graphene reinforced aluminum-based composite material |
Non-Patent Citations (1)
| Title |
|---|
| 张代兵, 张波萍, 葛振华等: "放电等离子烧结制备（ZnO）mIn2O3织构材料及其热电性能研究", 稀有金属材料与工程, vol. 42, no. 1, 15 June 2013 (2013-06-15), pages 218 - 221 * |
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