CN106588520B - A kind of insensitiveness pressed explosives tested by slow cook-off - Google Patents
A kind of insensitiveness pressed explosives tested by slow cook-off Download PDFInfo
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- CN106588520B CN106588520B CN201611066311.3A CN201611066311A CN106588520B CN 106588520 B CN106588520 B CN 106588520B CN 201611066311 A CN201611066311 A CN 201611066311A CN 106588520 B CN106588520 B CN 106588520B
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B27/00—Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons
Abstract
The present invention relates to a kind of insensitiveness pressed explosives tested by slow cook-off, the explosive FOX-7 for being 50%~95.5% including mass percentage content, 1%~5% binder, 0%~35% metal fuel Al, 0%~13% additive, the binder is acrylic rubber ACM, any one in ethylene-vinyl acetate copolymer EVA or butadiene rubber BR, wherein additive includes first kind additive and the second class additive, first kind additive is plasticizer dioctyl adipate DOA, dioctyl sebacate DOS, triacetyl glycerine TA, one of dioctyl phthalate DOP, mass percentage content is 0%~6%；Second class additive is one or both of paraffin W, graphite G mixture, and mass percentage content is 0%~7%；The present invention is using high-energy insensitive explosive FOX-7 and with the compounding adhesive composition for significantly improving explosive Low vulnerability, the composite explosives mechanical sensitivity of preparation is low, energy characteristics and Low vulnerability are significantly improved, the examination that can be tested by slow cook-off, reaction response grade are not higher than detonation.
Description
Technical field
The present invention relates to a kind of insensitiveness pressed explosives, more particularly to one kind by using high-energy insensitive explosive FOX-7 and
With the compounding adhesive composition for significantly improving explosive Low vulnerability, belong to military composite explosives field.
Background technique
In harsh actual combat environment, since the vulnerability problem of ammunition causes one's own side's weapon system accidental loss and personnel
Great unexpected safety accident occurs in duties treatment process for injures and deaths and warhead, makes it was recognized that developing low rapid wear bullet
The necessity of medicine.The U.S. constantly revises and establishes the low newest military standard MIL-STD-2105D of rapid wear ammunition, and NATO is also formulated
The evaluation criteria (STANAG 4439) of low rapid wear ammunition, low rapid wear ammunition studies the great attention by countries in the world, and pushes away
Many low vulnerability explosive formulas are gone out.Low Vulnerability Explosive refers to that unintended detonation occurs for explosive under the action of various environmental stimulis
Or the explosive low and that there is appropriate energy from the susceptibility of COMBUSTION TO DETONATION TRANSITION.Since the 1980s, the wests such as beauty, method, moral
The important directions that country studies low Vulnerability Explosive as explosive.
As the weapon systems platform step by step input such as China's novel submarines, aircraft carrier and opportunity of combat uses, it is desirable that weapon warhead
Explosive has good Low vulnerability.Therefore, under the traction of high modern weapons model growth requirement, current each services are to fight
In the manufacture claim in portion, the Low vulnerability requirement of explosive is clearly proposed.
Summary of the invention
The purpose of the present invention is to provide a kind of insensitiveness pressed explosives tested by slow cook-off, the composite explosives are mechanical
Sensitivity is low, energy characteristics and low vulnerability significantly improve, and has excellent detonation property, the response of especially slow Cookoff test
Grade is not higher than detonation.
What above-mentioned purpose of the invention was mainly achieved by following technical solution:
A kind of insensitiveness pressed explosives tested by slow cook-off are 50%~95.5% including mass percentage content
Explosive FOX-7, the binder that mass percentage content is 1%~5%, the metal that mass percentage content is 0%~35% fire
Expect that Al, the additive that mass percentage content is 0%~13%, the binder are acrylic rubber ACM, ethyl vinyl acetate
Any one in vinyl ester copolymers EVA or butadiene rubber BR.
In the insensitiveness pressed explosives tested above by slow cook-off, the mass percentage content of the metal fuel Al
It is 20%~35%.
In the insensitiveness pressed explosives tested above by slow cook-off, the additive includes first kind additive and
Two class additives, wherein first kind additive is plasticizer dioctyl adipate DOA, dioctyl sebacate DOS, three triacetins
Any one in ester TA or dioctyl phthalate DOP；Second class additive is one or both of paraffin W or graphite G
Mixture.
In the insensitiveness pressed explosives tested above by slow cook-off, the mass percent of the first kind additive contains
Amount is 0%~6%, and the mass percentage content of the second class additive is 0%~7%.
In the insensitiveness pressed explosives tested above by slow cook-off, the mass percent of the first kind additive contains
Amount is 1%~3%, and the mass percentage content of the second class additive is 0.5%~5%.
In the insensitiveness pressed explosives tested above by slow cook-off, the second class additive is paraffin W and graphite G
Mixture when, the mass ratio of the two is 2~10:1.
In the insensitiveness pressed explosives tested above by slow cook-off, the explosive is the mixture of FOX-7 and HMX,
Mass percentage content is 50%~95.5%；Or the explosive is the mixture of FOX-7 and RDX, mass percentage content
It is 50%~95.5%.
In the insensitiveness pressed explosives tested above by slow cook-off, in the mixture of the FOX-7 and HMX, FOX-7
Mass ratio with HMX is 0.46~5.3:1；In the mixture of the FOX-7 and RDX, the mass ratio of FOX-7 and RDX are 0.46
~5.3:1.
Compared with prior art, the present invention has the following advantages:
(1) present invention is using high-energy insensitive explosive FOX-7 and with the compounding adhesive for significantly improving explosive Low vulnerability
System, the composite explosives mechanical sensitivity of preparation is low, energy characteristics and Low vulnerability are significantly improved, and can be tried by slow cook-off
The examination tested, reaction response grade are not higher than detonation；
(2) present invention employs high-energy insensitive single chmical compound explosive FOX-7, with RDX/TATB HMX/TATB base composite explosives
It compares, significantly improves the detonation property of composite explosives；
(3) present invention employs having to significantly improve the adhesive composition of explosive Low vulnerability, using additives such as DOA or
Person's paraffin is compounded with rubber cement, and the press fitting composite explosives mechanical sensitivity of acquisition is low, and the low rapid wear of composite explosives
Property be significantly improved, by slow cook-off test examination, reaction response grade be not higher than detonation.
(4) present invention use regardless of whether addition metal Al powder composite explosives formula can be tested by slow cook-off
Examination, reaction response grade be not higher than detonation.
(5) present invention by using insensitiveness single chmical compound explosive FOX-7 and the bonding of explosive Low vulnerability can be significantly improved
System, while each component and proportion of composition explosive are optimized, optimal composition and proportion are given, and by a large amount of
It is verified, so that the composite explosives of preparation have excellent Low vulnerability, is tested by slow cook-off.The explosive is available
In all kinds of missile armament powder charges such as high explosion velocity, high quick-fried heat, the Low vulnerability of missile armament is improved.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below:
The insensitiveness pressed explosives that the present invention is tested by slow cook-off, including mass percentage content are 50%~95.5%
Explosive FOX-7, mass percentage content be 1%~5% binder, mass percentage content be 0%~35% metal
Fuel Al, the additive that mass percentage content is 0%~13%, the binder are acrylic rubber ACM, ethylene-vinegar
Any one in vinyl acetate copolymer EVA or butadiene rubber BR.
In order to improve the quick-fried heat of explosive, metal fuel Al can be added, wherein the mass percentage content of metal fuel Al
Preferably 20%~35%.
Above-mentioned additive includes first kind additive and the second class additive, wherein first kind additive be plasticizer oneself two
Any one in dioctyl phthalate DOA, dioctyl sebacate DOS, triacetyl glycerine TA or dioctyl phthalate DOP；The
Two class additives are one or both of paraffin W or graphite G mixture.When the second class additive is the mixed of paraffin W and graphite G
When closing object, the mass ratio of the two is 2~10:1.
The mass percentage content of first kind additive is 0%~6%, preferably 1%~3%；The matter of second class additive
Measuring degree is 0%~7%, preferably 0.5%~5%.
In order to improve the detonation property of explosive, HMX or RDX and FOX-7 can be used in mixed way, i.e., explosive be FOX-7 with
The mixture of HMX, mass percentage content are 50%~95.5%；Or explosive is the mixture of FOX-7 and RDX, quality hundred
Dividing than content is 50%~95.5%.
In the mixture of above-mentioned FOX-7 and HMX, the mass ratio of FOX-7 and HMX are 0.46~5.3:1；FOX-7's and RDX
In mixture, the mass ratio of FOX-7 and RDX are 0.46~5.3:1.Insensitiveness pressed explosives formula of the present invention, can be by direct
Method or solution suspension method technique prepare the modeling powder of certain particle size, and then suppress and obtain into required composite explosives medicine
Column.The explosive mechanical sensitivity of compacting is low, has certain Low vulnerability, the examination that can be tested by slow cook-off, reaction response
Grade is not higher than detonation.
Embodiment 1
Watch 1 gives formula composition, mechanical sensitivity, detonation property and bakes test result slowly.
1 formula composition of table and performance
The method for testing impact sensitivity of modeling powder refers to GJB772A-97 601.2, and dose 50mg, drop hammer 10kg.Abrasive feel
Spend test method refer to GJB772A-97 602.1, dose 30mg, gauge pressure 3.92MPa, 90 ° of pivot angle.Slowly roasting testing method
Test method is played with reference in GB 14,372 2 (b) roasting combustions.Following embodiment is all made of identical test method.
The explosion velocity of explosive 8410m/s of 1# formula, the mechanical sensitivity of explosive is low, and the response grade of slow roasting test is burning.
Embodiment 2
Table 2 gives the composition and performance of a kind of formula.
2 formula composition of table and performance
The explosive mechanical sensitivity being formulated using 2# is low, explosion velocity 8390m/s, and roasting test response grade is burning slowly, passes through
Slow roasting test.
Embodiment 3
Table 3 gives a kind of formula composition and performance.
3 formula composition of table and performance
The explosive mechanical sensitivity being formulated using 3# containing Al is lower, explosion velocity 8050m/s, and roasting test response grade is combustion slowly
It burns, by baking test slowly.
Embodiment 4
Table 4 gives a kind of formula composition and performance.
4 formula composition of table and performance
4# is lower containing Al formula explosive mechanical sensitivity, and roasting test response grade is detonation slowly, by baking test slowly.
Embodiment 5
Table 5 gives the aluminum composition formula composition and performance using butadiene rubber BR as binder.
5 formula composition of table and performance
Low as the formula explosive mechanical sensitivity containing Al of binder using butadiene rubber BR, explosion velocity 8010m/s bakes test response slowly
Grade is burning, by baking test slowly.
Embodiment 6
Table 6 gives 6# formula and TATB formula composition and performance in contrast.
6 formula composition of table and performance
6# is formulated compared with the formula containing TATB, and the mechanical sensitivity of explosive is substantially suitable, and the response grade of slow roasting test is equal
To burn, but the explosion velocity of 6# explosive formulation improves 5.3%.
Embodiment 7
A kind of formula composition and performance that table 7 gives.
7 formula composition of table and performance
The 7# pressed explosives formula mechanical sensitivity for mixing composition with HMX using FOX-7 is lower, and explosion velocity 8560m/s is slow roasting
Test response grade is burning, by baking test slowly.
The above, optimal specific embodiment only of the invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
The content that description in the present invention is not described in detail belongs to the well-known technique of professional and technical personnel in the field.
Claims (7)
1. it is a kind of by slow cook-off test insensitiveness pressed explosives, it is characterised in that: including mass percentage content be 50%
~95.5% explosive FOX-7, mass percentage content be 1%~5% binder, mass percentage content be 20%~
35% metal fuel Al, the additive that mass percentage content is 1.5%~13%, the binder are acrylic rubber
Any one in ACM, ethylene-vinyl acetate copolymer EVA or butadiene rubber BR, the wherein mass percent of all components
The sum of content is 100%.
2. a kind of insensitiveness pressed explosives tested by slow cook-off according to claim 1, it is characterised in that: described to add
Adding agent includes first kind additive and the second class additive, and wherein first kind additive is plasticizer dioctyl adipate DOA, the last of the ten Heavenly stems
Any one in adipate DOS, triacetyl glycerine TA or dioctyl phthalate；Second class additive be paraffin or
One or both of graphite mixture.
3. a kind of insensitiveness pressed explosives tested by slow cook-off according to claim 2, it is characterised in that: described the
The mass percentage content of a kind of additive is 1%~6%, and the mass percentage content of the second class additive is 0.5%
~7%.
4. a kind of insensitiveness pressed explosives tested by slow cook-off according to claim 3, it is characterised in that: described the
The mass percentage content of a kind of additive is 1%~3%, and the mass percentage content of the second class additive is 0.5%
~5%.
5. a kind of insensitiveness pressed explosives tested by slow cook-off, feature according to one of claim 2~4 exist
In: when the second class additive is the mixture of paraffin and graphite, the mass ratio of the two is 2~10:1.
6. it is a kind of by slow cook-off test insensitiveness pressed explosives, it is characterised in that: including mass percentage content be 50%
The mixture or mass percentage content of~95.5% explosive FOX-7 and HMX be 50%~95.5% explosive FOX-7 with
The mixture of RDX；The binder that mass percentage content is 1%~5%, the metal that mass percentage content is 20%~35%
Fuel Al, the additive that mass percentage content is 1.5%~13%, the binder are acrylic rubber ACM, ethylene-
Any one in vinyl acetate co-polymer EVA or butadiene rubber BR, wherein the sum of the mass percentage content of all components
It is 100%.
7. a kind of insensitiveness pressed explosives tested by slow cook-off according to claim 6, it is characterised in that: described
In the mixture of FOX-7 and HMX, the mass ratio of FOX-7 and HMX are 0.46~5.3:1；The mixture of the FOX-7 and RDX
In, the mass ratio of FOX-7 and RDX are 0.46~5.3:1.
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| CN107879867B (en) * | 2017-06-28 | 2020-05-26 | 湖北航天化学技术研究所 | High-energy insensitive press-fitting high polymer bonded explosive |
| CN107602311A (en) * | 2017-10-09 | 2018-01-19 | 西安近代化学研究所 | A kind of insensitive mixed crystal composite of high energy |
| CN107473914A (en) * | 2017-10-09 | 2017-12-15 | 西安近代化学研究所 | A kind of high energy is pressed insensitive booster explosive and preparation method |
| CN108250004B (en) * | 2018-01-11 | 2020-04-14 | 北京理工大学 | Modulus-adjustable ternary ethyl propyl composite insensitive binder and preparation method thereof |
| CN108456124A (en) * | 2018-02-01 | 2018-08-28 | 北京理工大学 | Compound deterrent of a kind of adjustable wax class of friction coefficient and preparation method thereof |
| CN109206280A (en) * | 2018-03-22 | 2019-01-15 | 湖北航天化学技术研究所 | A kind of anti high overload pressed explosives and preparation method thereof |
| CN110256178A (en) * | 2019-06-26 | 2019-09-20 | 西安近代化学研究所 | A kind of thermoplastics type's explosive binder |
| CN111393239A (en) * | 2020-05-14 | 2020-07-10 | 西安近代化学研究所 | Insensitive ammonium perchlorate |
| CN111960906B (en) * | 2020-07-29 | 2021-12-21 | 西安近代化学研究所 | A Chinese medicinal composition for treating common cold, and its preparation method |
| CN112592246B (en) * | 2020-12-14 | 2022-04-19 | 西安近代化学研究所 | Insensitive explosive |
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| RU2213720C1 (en) * | 2002-03-28 | 2003-10-10 | Федеральный научно-производственный центр "Научно-исследовательский институт прикладной химии" | Fire-smoking metallized composition |
| CN103073369B (en) * | 2013-01-30 | 2015-04-01 | 中国工程物理研究院化工材料研究所 | Casting-curing insensitive high-explosion-heat explosive and preparation method thereof |
| CN103145512B (en) * | 2013-03-13 | 2014-12-10 | 中国工程物理研究院化工材料研究所 | High-gurney-energy low-vulnerability PBX explosive and preparation method thereof |
| CN103254026B (en) * | 2013-05-16 | 2015-03-04 | 中国工程物理研究院化工材料研究所 | Compact aluminum-containing explosive and preparation method thereof |
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