CN109438145A - A kind of high quick-fried hot aluminum composition and preparation method thereof - Google Patents
A kind of high quick-fried hot aluminum composition and preparation method thereof Download PDFInfo
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- CN109438145A CN109438145A CN201811597646.7A CN201811597646A CN109438145A CN 109438145 A CN109438145 A CN 109438145A CN 201811597646 A CN201811597646 A CN 201811597646A CN 109438145 A CN109438145 A CN 109438145A
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- aluminum composition
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/001—Fillers, gelling and thickening agents (e.g. fibres), absorbents for nitroglycerine
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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
- C06B33/08—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 a nitrated organic compound
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- 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
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- Engineering & Computer Science (AREA)
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Abstract
Provide a kind of high quick-fried hot aluminum composition, the component including following mass percentage content: liquid fluorubber containing terminal functionality: 5~20%；Curing agent: 0.5~5%；Main explosive: 35~80%；Aluminium powder: 10~40%, wherein liquid fluorubber containing terminal functionality is the carboxyl-terminated liquid fluorine rubber or terminal hydroxy liquid fluorubber that number-average molecular weight is 2000~18000；Curing agent is Isocyanates curing agent or epoxy curing agent；Main explosive is one or more combinations in RDX, HMX, CL-20, TATB, FOX-7, LLM-105；The partial size of aluminium powder is 50nm~100um.Inventive formulation is remarkably improved the quick-fried heat of explosive.
Description
Technical field
The present invention generally belongs to military composite explosives technical field, more particularly to a kind of high quick-fried hot aluminum composition and its
Preparation method.
Background technique
As the weapons and ammunitions such as rocket projectile, shell, guided missile are to the higher demand for efficiently injuring power, military composite explosives
Develop towards high quick-fried heat, the high direction for injuring power.Aluminum composition is with the quick-fried heat of height, high quick-fried temperature, release chemical energy time length, work
The excellent characteristics such as the protrusion such as war ability height, become an important series of military composite explosives, are widely used in air weapon bullet
Medicine, Underwater Battery ammunition, to warship weapons and ammunitions and ground-attack weapon ammunition.The common binder of aluminum composition is inertia bonding
Agent, including inert high polymer, deterrent etc. are difficult to effectively improve aluminium powder although having the effect of good insensitiveness cladding
Combustion reaction rate.Compared with inert binder, since the F element in fluorubber can be used with Al heat-producing chemical reaction
Fluorubber is remarkably improved the quick-fried heat of aluminum composition as binder.Common solid fluorubber binder such as Viton rubber,
F26、F246、F23Deng serial fluorubber, there are good high temperature resistant, resistance to ag(e)ing, good Physical Mechanical, these solid fluorine
Rubber can be used as binder, for being pressed the preparation of type aluminum composition.But due to solid fluorubber vitrifying temperature with higher
Degree, modulus and hardness, cause the compression moulding preparation process of aluminum composition bad, usually need in higher temperature (>=80 DEG C) and
It is suppressed under pressure (>=200MPa).
Liquid fluorubber containing terminal functionality inherits the performances such as the excellent high temperature resistant of conventional solid fluorubber, ageing-resistant,
Compared with solid fluorubber, molecular weight is greatly reduced, its processing performance is substantially improved in this, is more favorable for utilizing.Containing end group
There is mobility under functional group's liquid fluorubber room temperature, chemistry can occur with the polybutadiene rubber (HTPB) containing end group equally
Crosslinking curing molding, for the preparation of aluminum composition, improves the mouldability of aluminum composition.It is bonded with inert high polymer HTPB
Agent is compared, and liquid fluorubber containing terminal functionality is used to help to improve the quick-fried heat of aluminum composition as binder.
Summary of the invention
The object of the present invention is to provide a kind of high quick-fried hot aluminum composition and preparation method thereof, the quick-fried heat of height of the invention contains
For al explosive by using the liquid fluorubber containing terminal functionality of cross-linkable solidifying as binder, the burning for enhancing aluminium powder is anti-
Should rate, significantly improve the quick-fried heat of aluminum composition；Be poured simultaneously-cure process prepares aluminum composition, have it is good at
Type technique.
The technical scheme is that a kind of high quick-fried hot aluminum composition, the component including following mass percentage content: contains
Terminal functionality liquid fluorubber: 5~20%；Curing agent: 0.5~5%；Main explosive: 35~80%；Aluminium powder: 10~40%.
Liquid fluorubber containing terminal functionality is the fluorine atom containing strong electronegativity, and fluorine atom is easy from reducing metal Al
Place receives electronics and releases fluorine, and Al is aoxidized and generates AlF3, and release heat.It is aoxidized with Al and generates Al2O3It compares, generates
AlF3Reaction be easy to happen, and release reaction heat it is higher.Therefore, fluorubber is added in aluminum composition, helps to improve
The quick-fried heat of explosive.
Further, it is carboxyl end group that the above-mentioned number-average molecular weight of liquid fluorubber containing terminal functionality, which is 2000~18000,
Liquid fluorubber or terminal hydroxy liquid fluorubber.
Further, above-mentioned curing agent is Isocyanates curing agent or epoxy curing agent.
Also further, above-mentioned main explosive is one or more in RDX, HMX, CL-20, TATB, FOX-7, LLM-105
Combination.
Further, above-mentioned aluminium powder partial size is 50nm~100um.
The present invention also provides the preparation methods of the quick-fried hot aluminum composition of above-mentioned height, comprising the following steps:
(1), content weighs each raw material by mass percentage；
(2), terminal functionality liquid fluorubber acetone solution will be contained；
(3), main body explosive, aluminium powder are added in the liquid fluorubber containing terminal functionality of dissolution, are stirred evenly；
(4), curing agent is added in the mixture of step (3) preparation, is stirred evenly；
(5), the mode by the vacuum pouring of the material of preparation is fitted into mold, removes in slurry the solvent carried secretly and a small amount of
Air, be then heating and curing molding.
Further, the above-mentioned mass ratio of fluorubber and acetone of stating in step (2) is 1:1.
Further, the temperature of the molding that is heating and curing in above-mentioned steps (5) is 65 DEG C.
Compared with prior art, the present invention having the following beneficial effects:
When fluorine-containing binder in high quick-fried hot aluminum composition of the invention is used for aluminum composition, with use inert binder HTPB
Aluminum composition compare, Explosive Heat 4~7% can be improved；Compared with using solid fluorubber binder, Gu using casting-
Chemical industry skill prepares aluminum composition, has good preparation process.
Specific embodiment
In order to make those skilled in the art more fully understand the present invention, With reference to embodiment to the present invention make into
One step is described in detail.
Embodiment 1
A kind of high quick-fried hot aluminum composition is formulated referring to table 1.
The quick-fried hot aluminum composition formula of height of 1 embodiment 1 of table
The preparation method of the above-mentioned quick-fried hot aluminum composition of height the following steps are included:
Step (1): by weighing raw material according to the formula in table 1；
Step (2): carboxyl-terminated liquid fluorine rubber is stirred dissolution with acetone solvent, the mass ratio of the two is 1:1；
Step (3): Al, RDX are added separately in liquid fluorubber, are uniformly mixed.
Step (4): curing agent epoxy resin E44 is added in mixed material, is stirred evenly.
Step (5): the mode of the material of preparation vacuum pouring is fitted into mold, and it is molten to remove the acetone carried secretly in slurry
Agent and a small amount of air are then placed in 65 DEG C of high temperature ovens the molding that is heating and curing.
Product obtained is tested for the property, test result is as follows:
The Detonation Heat of Al-containing Explosives 6845kJ/kg of preparation of the embodiment of the present invention, is matched with using the identical explosive of HTPB binder
The square quick-fried hot 6430kJ/kg of PBXN-109 is compared, and Detonation Heat of Al-containing Explosives prepared by the present invention increases 6.45%.
Embodiment 2
A kind of high quick-fried hot aluminum composition is formulated referring to table 2.
The quick-fried hot aluminum composition formula of height of 2 embodiment 2 of table
The preparation method of the above-mentioned quick-fried hot aluminum composition of height the following steps are included:
Step (1): raw material is weighed according to the formula of table 2；
Step (2): terminal hydroxy liquid fluorubber is stirred dissolution with acetone solvent, the mass ratio of the two is 1:1；
Step (3): Al, HMX are added separately in liquid fluorubber, are uniformly mixed.
Step (4): curing agent HDI trimer is added in mixed material, is uniformly mixed.
Step (5): the mode of the material of preparation vacuum pouring is fitted into mold, and it is molten to remove the acetone carried secretly in slurry
Agent and a small amount of air are then placed in 65 DEG C of high temperature ovens the molding that is heating and curing.
Product obtained is tested for the property, test result is as follows:
The Detonation Heat of Al-containing Explosives of preparation of the embodiment of the present invention surveys 7420kJ/kg, fries with using the identical of HTPB binder
The quick-fried hot 7130kJ/kg of medicine composition is compared, and Detonation Heat of Al-containing Explosives prepared by the present invention increases 4.1%.
Embodiment 3
A kind of high quick-fried hot aluminum composition is formulated referring to table 3.
The quick-fried hot aluminum composition formula of height of 3 embodiment 3 of table
The preparation method of the above-mentioned quick-fried hot aluminum composition of height the following steps are included:
Step (1): raw material is weighed according to the formula of table 3；
Step (2): terminal hydroxy liquid fluorubber is stirred dissolution with acetone solvent, the mass ratio of the two is 1:1；
Step (3): Al, FOX-7, RDX are added separately in liquid fluorubber, are uniformly mixed.
Step (4): curing agent N-100 is added in mixed material, is stirred evenly.
Step (5): the mode of the material of preparation vacuum pouring is fitted into mold, and it is molten to remove the acetone carried secretly in slurry
Agent and a small amount of air are then placed in 65 DEG C of high temperature ovens the molding that is heating and curing.
Product obtained is tested for the property, test result is as follows:
The Detonation Heat of Al-containing Explosives of preparation of the embodiment of the present invention is 6310kJ/kg.
Embodiment 4
A kind of high quick-fried hot aluminum composition is formulated referring to table 4.
The quick-fried hot aluminum composition formula of height of 3 embodiment 4 of table
The preparation method of the above-mentioned quick-fried hot aluminum composition of height the following steps are included:
Step (1): raw material is weighed according to the formula of table 4；
Step (2): terminal hydroxy liquid fluorubber is stirred dissolution with acetone solvent, the mass ratio of the two is 1:1；
Step (3): Al, CL-20 are added separately in liquid fluorubber, are uniformly mixed.
Step (4): curing agent N-100 is added in mixed material, is stirred evenly.
Step (5): the mode of the material of preparation vacuum pouring is fitted into mold, and it is molten to remove the acetone carried secretly in slurry
Agent and a small amount of air are then placed in 65 DEG C of high temperature ovens the molding that is heating and curing.
Product obtained is tested for the property, test result is as follows:
The Detonation Heat of Al-containing Explosives of preparation of the embodiment of the present invention is 7905kJ/kg.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.Therefore, protection scope of the present invention is answered
This is subject to the protection scope in claims.
Claims (8)
1. a kind of high quick-fried hot aluminum composition, which is characterized in that the component including following mass percentage content:
Liquid fluorubber containing terminal functionality: 5~20%；
Curing agent: 0.5~5%；
Main explosive: 35~80%；
Aluminium powder: 10~40%.
2. the quick-fried hot aluminum composition of height according to claim 1, which is characterized in that the liquid fluorubber containing terminal functionality
The carboxyl-terminated liquid fluorine rubber or terminal hydroxy liquid fluorubber for being 2000~18000 for number-average molecular weight.
3. the quick-fried hot aluminum composition of height according to claim 2, which is characterized in that the curing agent is isocyanates solidification
Agent or epoxy curing agent.
4. the quick-fried hot aluminum composition of height according to claim 3, which is characterized in that the main explosive be RDX, HMX, CL-20,
One or more combinations in TATB, FOX-7, LLM-105.
5. the quick-fried hot aluminum composition of height according to claim 1, which is characterized in that the partial size of the aluminium powder be 50nm~
100um。
6. a kind of preparation method of the quick-fried hot aluminum composition of height as claimed in any one of claims 1-5, feature exist
In, comprising the following steps:
(1), content weighs each raw material by mass percentage；
(2), terminal functionality liquid fluorubber acetone solution will be contained；
(3), main body explosive, aluminium powder are added in the liquid fluorubber containing terminal functionality of dissolution, are stirred evenly；
(4), curing agent is added in the mixture of step (3) preparation, is stirred evenly；
(5), the mode by the vacuum pouring of the material of preparation is fitted into mold, removes the solvent carried secretly in slurry and a small amount of sky
Gas, be then heating and curing molding.
7. the preparation method of high quick-fried hot aluminum composition as claimed in claim 6, which is characterized in that fluorine rubber in the step (2)
The mass ratio of glue and acetone is 1:1.
8. the preparation method of high quick-fried hot aluminum composition as claimed in claim 6, which is characterized in that adding in the step (5)
The molding temperature of heat cure is 65 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113563142A (en) * | 2021-08-20 | 2021-10-29 | 北京理工大学 | High-molecular fluorine-rich oxidant-based aluminothermic high-explosive-heat industrial explosive and preparation method thereof |
| CN115322063A (en) * | 2022-08-11 | 2022-11-11 | 湖北航天化学技术研究所 | High polymer bonded explosive and preparation method thereof |
| CN115925498A (en) * | 2022-12-19 | 2023-04-07 | 湖北航天化学技术研究所 | Casting type energetic active material and preparation method and application thereof |
| CN116023199A (en) * | 2022-12-29 | 2023-04-28 | 湖北航天化学技术研究所 | High-heat-explosion fluorine-rich explosive and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113563142A (en) * | 2021-08-20 | 2021-10-29 | 北京理工大学 | High-molecular fluorine-rich oxidant-based aluminothermic high-explosive-heat industrial explosive and preparation method thereof |
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| CN116023199B (en) * | 2022-12-29 | 2024-04-05 | 湖北航天化学技术研究所 | High-heat-explosion fluorine-rich explosive and preparation method thereof |
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