CN113480388A - Initiating explosive composition and preparation method thereof - Google Patents

Initiating explosive composition and preparation method thereof Download PDF

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Publication number
CN113480388A
CN113480388A CN202110887577.9A CN202110887577A CN113480388A CN 113480388 A CN113480388 A CN 113480388A CN 202110887577 A CN202110887577 A CN 202110887577A CN 113480388 A CN113480388 A CN 113480388A
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percent
raw materials
dap
low
weight
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Inventor
吕剑
李江伟
李娇毅
杜咏梅
李春迎
薛云娜
王志轩
王谦
孙道安
张建伟
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Xian Modern Chemistry Research Institute
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Xian Modern Chemistry Research Institute
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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
    • 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
    • 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
    • C06B23/009—Wetting agents, hydrophobing agents, dehydrating agents, antistatic additives, viscosity improvers, antiagglomerating agents, grinding agents and other additives for working up
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B29/00—Compositions containing an inorganic oxygen-halogen salt, e.g. chlorate, perchlorate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention provides a priming agent composition and a preparation method thereof, wherein the priming agent composition comprises the following raw materials in percentage by weight: 0.5 to 10 percent of low-substituted hydroxypropyl cellulose, 1 to 5 percent of additive and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent; the additive is superfine aluminum powder, MoS or graphite; the molecular formula of the DAP-4 is (C)6H14N2)[NH4(ClO4)3]The compound of (1). In the composition, the low-substituted hydroxypropyl cellulose is used as a key component of the initiating explosive, so that the hygroscopicity of the initiating explosive can be obviously reduced, and the processing and storage safety of the initiating explosive can be improved. In the composition, DAP-4 is used as a main component of the initiating explosive, so that the composition has the advantage of low sensitivity and can reduce the safety risk in the using process. In the compositions of the invention, DAP-4 is used asThe main components of the initiating explosive are adopted, and the production process is simple, the raw material price is low, so that the cost of the initiating explosive can be obviously reduced, and the initiating explosive has the advantage of benefit.

Description

Initiating explosive composition and preparation method thereof
Technical Field
The invention belongs to the field of initiating explosive agents, relates to DAP-4, and particularly relates to an initiating explosive agent composition and a preparation method thereof.
Background
The military initiating explosive device active service conditions in China are as follows: for the conventional initiating explosive, the main problem of the initiating explosive of the conventional initiating explosive is that the initiating explosive mainly comprises lead azide, lead stevens acid, tetrazene and series varieties thereof:
first, unsafe during manufacture and use; second, it is not environmentally friendly during manufacture and use.
(C6H14N2)[NH4(ClO4)3]The compound (DAP-4 for short) is a novel energetic perovskite compound and can be used as an energetic material in the field of initiating agents. The compound is disclosed in Chinese invention patent with the patent number ZL201610665880.3 and the patent name 'the application of a class of compounds as energetic materials', and the theoretical density of the compound (1.98 g/cm)3) Compared with RDX and HMX, the mechanical sensitivity is lower than that of RDX, HMX and CL-20 (the impact sensitivity is 28 percent and the friction sensitivity is 70 percent), the detonation velocity is higher than that of RDX and HMX (the theoretically calculated detonation velocity is 9212m/s), and the method has the advantages of low cost, environmental protection in the production process, safety in the use process and the like. In addition, the burning speed of the perchloric acid amine salt is generally 5-7 times faster than that of hexogen, the burning speed of the perchloric acid amine salt is close to that of lead stevensite under the pressure of 300-400 atmospheric pressures, the organic amine perchlorate burns quickly, the burning speed is also quick along with the increase of the pressure, the reaction is simple and safe, and the characteristics of stable intermediates of NO are basically not generatedSimilar to the initiating explosive, the compound is also required by the rapid combustion to detonation, is expected to improve the completeness of the initiating explosive and solves the environmental protection problem in the production process of the initiating explosive, and the application of the compound in the aspect is not seen at present in China.
However, the DAP-4 compound has certain hygroscopicity, and brings adverse effects and potential safety hazards to processing and storage of the DAP-4 compound, and no relevant report for improving the hygroscopicity is found at present.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a priming agent composition and a preparation method thereof, so as to solve the technical problem that DAP-4 in the prior art absorbs moisture in the processing process of the priming agent.
In order to solve the technical problems, the invention adopts the following technical scheme:
the initiating explosive composition comprises the following raw materials in percentage by weight: 0.5 to 10 percent of low-substituted hydroxypropyl cellulose, 1 to 5 percent of additive and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent;
the additive is superfine aluminum powder, MoS or graphite;
the molecular formula of the DAP-4 is (C)6H14N2)[NH4(ClO4)3]The compound of (1).
The invention also has the following technical characteristics:
the graphite is graphite with the particle size of less than 5 mu m.
Preferably, the composition comprises the following raw materials in percentage by weight: 1 to 2 percent of low-substituted hydroxypropyl cellulose, 3 to 5 percent of additive and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
Further preferably, the composition comprises the following raw materials in percentage by weight: 0.5-10% of low-substituted hydroxypropyl cellulose, 2-5% of superfine aluminum powder and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100%.
More preferably, the paint consists of the following raw materials in percentage by weight: 1 to 2 percent of low-substituted hydroxypropyl cellulose, 3 to 5 percent of superfine aluminum powder and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
Further preferably, the composition comprises the following raw materials in percentage by weight: 0.5-10% of low-substituted hydroxypropyl cellulose, 1-3% of MoS and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100%.
More preferably, the paint consists of the following raw materials in percentage by weight: 2 percent of low-substituted hydroxypropyl cellulose, 3 percent of MoS and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
Further preferably, the composition comprises the following raw materials in percentage by weight: 0.5-10% of low-substituted hydroxypropyl cellulose, 2-5% of graphite and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100%.
More preferably, the paint consists of the following raw materials in percentage by weight: 2 percent of low-substituted hydroxypropyl cellulose, 3 percent of graphite and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
The invention also provides a preparation method of the initiating explosive composition, which comprises the following steps: adding DAP-4 into a granulation kettle, adding an ethanol solvent for infiltration, uniformly mixing, adding low-substituted hydroxypropyl cellulose, and stirring for 20min to obtain a mixture; and then drying the mixture in a water bath oven at 60 ℃ for 4h, then adding an additive, and mixing for 10min to obtain the initiating explosive composition.
Compared with the prior art, the invention has the following technical effects:
in the composition, the low-substituted hydroxypropyl cellulose is used as a key component of the initiating explosive, so that the hygroscopicity of the initiating explosive can be obviously reduced, and the processing and storage safety of the initiating explosive can be improved.
In the composition of the invention, (II), DAP-4 is used as a main component of the initiating explosive, and has the advantage of low sensitivity, so that the safety risk in the use process can be reduced.
In the composition of the invention (III), DAP-4 is used as the main component of the initiating explosive, and the production process is simple, the raw material price is low, so that the cost of the initiating explosive can be obviously reduced, and the composition has the advantage of benefit.
In the composition of the invention, (IV), DAP-4 is used as a priming agent, has environmental protection in preparation and use processes, and powerfully relieves the increasing environmental protection pressure.
The present invention will be explained in further detail with reference to examples.
Detailed Description
The specification requirements of the raw materials are as follows:
the low substituted hydroxypropylcellulose is known in the art as low substituted hydroxypropylcellulose.
The superfine aluminum powder is commonly known in the field of pumps.
The graphite is graphite with the particle size of less than 5 mu m.
DAP-4 is of the formula (C)6H14N2)[NH4(ClO4)3]The compound of (1). For example, the compound is disclosed in Chinese invention patent with patent number ZL201610665880.3 and the patent name 'the application of a class of compounds as energetic materials' (C)6H14N2)[NH4(ClO4)3]The compound of (1).
The present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention fall within the protection scope of the present invention.
Example 1:
the embodiment provides a priming powder composition which comprises the following raw materials in percentage by weight: 2 percent of low-substituted hydroxypropyl cellulose, 3 percent of superfine aluminum powder and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
The preparation method of the primer composition of the embodiment is carried out according to the following steps:
taking 1000g of the composition as an example, 95g of DAP-4 is added into a granulation kettle, 20mL of ethanol solvent is added for infiltration, 2g of low-substituted hydroxypropyl cellulose is added after uniform mixing, and stirring is carried out for 20min, thus obtaining a mixture;
then, the mixture was dried in a water bath oven at 60 ℃ for 4 hours, and then 3g of ultrafine aluminum powder was added and mixed for 10min to obtain the primer composition of the present example.
Example 2:
the embodiment provides a priming powder composition which comprises the following raw materials in percentage by weight: the low-substituted hydroxypropyl cellulose accounts for 1 percent, the superfine aluminum powder accounts for 5 percent, and the balance is DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
The method of preparing the primer composition of this example was substantially the same as in example 1.
Example 3:
the embodiment provides a priming powder composition which comprises the following raw materials in percentage by weight: 2 percent of low-substituted hydroxypropyl cellulose, 3 percent of MoS and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
The method of preparing the primer composition of this example was substantially the same as that of example 1 except that the ultra-fine aluminum powder of example 1 was replaced with MoS.
Example 4:
the embodiment provides a priming powder composition which comprises the following raw materials in percentage by weight: 2 percent of low-substituted hydroxypropyl cellulose, 3 percent of graphite and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
The method of preparing the primer composition of this example was substantially the same as that of example 1 except that the ultra-fine aluminum powder of example 1 was replaced with graphite.
Comparative example 1:
this comparative example gives a primer, which is DAP-4.
And (3) performance testing:
when the performance test is carried out, according to the 'three-in-two-pressure' process of the common engineering detonator, an aluminum tube shell and a reinforcing cap are selected, the wall thickness of the aluminum tube is 0.44mm, and the size of the reinforcing cap is as follows: phi (Outer cover6.15mm, 6.00mm for height h and 0.45mm for thickness delta. The bottom charge is passivated RDX, the dose is 490 mg-530 mg, and the pressing pressure is 35 MPa; content of the transition charge is 2 wt%The dosage of the shellac granulation RDX is 220 mg-230 mg.
The specific performance test results are shown in tables 1 and 2, and it can be seen from tables 1 and 2 that the composition of the present invention can significantly reduce the hygroscopicity of the primary explosive agent and improve the safety of processing and storage thereof.
TABLE 1 moisture absorption after 3 days of storage under 60% humidity conditions for each example
Figure BDA0003194761580000061
TABLE 2 test results of ultimate amount of priming charge
Figure BDA0003194761580000062

Claims (10)

1. The initiating explosive composition is characterized by comprising the following raw materials in percentage by weight: 0.5 to 10 percent of low-substituted hydroxypropyl cellulose, 1 to 5 percent of additive and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent;
the additive is superfine aluminum powder, MoS or graphite;
the molecular formula of the DAP-4 is (C)6H14N2)[NH4(ClO4)3]The compound of (1).
2. The primer mix composition of claim 1 wherein said graphite is graphite having a particle size of less than 5 μm.
3. The primer composition according to claim 1, which comprises the following raw materials in percentage by weight: 1 to 2 percent of low-substituted hydroxypropyl cellulose, 3 to 5 percent of additive and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
4. The primer composition according to claim 1, which comprises the following raw materials in percentage by weight: 0.5-10% of low-substituted hydroxypropyl cellulose, 2-5% of superfine aluminum powder and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100%.
5. The primer composition according to claim 4, which comprises the following raw materials in percentage by weight: 1 to 2 percent of low-substituted hydroxypropyl cellulose, 3 to 5 percent of superfine aluminum powder and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
6. The primer composition according to claim 1, which comprises the following raw materials in percentage by weight: 0.5-10% of low-substituted hydroxypropyl cellulose, 1-3% of MoS and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100%.
7. The primer composition according to claim 6, which comprises the following raw materials in percentage by weight: 2 percent of low-substituted hydroxypropyl cellulose, 3 percent of MoS and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
8. The primer composition according to claim 1, which comprises the following raw materials in percentage by weight: 0.5-10% of low-substituted hydroxypropyl cellulose, 2-5% of graphite and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100%.
9. The primer composition according to claim 8, which comprises the following raw materials in percentage by weight: 2 percent of low-substituted hydroxypropyl cellulose, 3 percent of graphite and the balance of DAP-4, wherein the sum of the weight percentages of the raw materials is 100 percent.
10. A method of preparing a primer composition according to any one of claims 1 to 9, wherein the method is carried out according to the following steps: adding DAP-4 into a granulation kettle, adding an ethanol solvent for infiltration, uniformly mixing, adding low-substituted hydroxypropyl cellulose, and stirring for 20min to obtain a mixture; and then drying the mixture in a water bath oven at 60 ℃ for 4h, then adding an additive, and mixing for 10min to obtain the initiating explosive composition.
CN202110887577.9A 2021-08-03 2021-08-03 Initiating explosive composition and preparation method thereof Pending CN113480388A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6334917B1 (en) * 1998-10-23 2002-01-01 Autoliv Asp, Inc. Propellant compositions for gas generating apparatus
US20150266790A1 (en) * 2013-04-09 2015-09-24 John P. Sheeran Water Blocking in Explosive Compositions
CN105674807A (en) * 2014-11-19 2016-06-15 南京理工大学 Detonating cord based on SY detonating cord powder charge
CN106278771A (en) * 2016-08-12 2017-01-04 中山大学 One compounds is as the purposes in terms of energetic material
CN111004075A (en) * 2019-11-29 2020-04-14 西安近代化学研究所 Aluminum-containing explosive composition

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6334917B1 (en) * 1998-10-23 2002-01-01 Autoliv Asp, Inc. Propellant compositions for gas generating apparatus
US20150266790A1 (en) * 2013-04-09 2015-09-24 John P. Sheeran Water Blocking in Explosive Compositions
CN105674807A (en) * 2014-11-19 2016-06-15 南京理工大学 Detonating cord based on SY detonating cord powder charge
CN106278771A (en) * 2016-08-12 2017-01-04 中山大学 One compounds is as the purposes in terms of energetic material
CN111004075A (en) * 2019-11-29 2020-04-14 西安近代化学研究所 Aluminum-containing explosive composition

Non-Patent Citations (4)

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Title
夏建才: "《火工品制造》", 31 August 2009, 北京理工大学出版社 *
李宗佑，等: ""分子钙钛矿含能材料的合成、表征及吸湿性"", 《含能材料》 *
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