CN107400033A - A kind of energetic material complex microsphere and its preparation method and application - Google Patents
A kind of energetic material complex microsphere and its preparation method and application Download PDFInfo
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- CN107400033A CN107400033A CN201610333311.9A CN201610333311A CN107400033A CN 107400033 A CN107400033 A CN 107400033A CN 201610333311 A CN201610333311 A CN 201610333311A CN 107400033 A CN107400033 A CN 107400033A
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- energetic material
- complex microsphere
- material complex
- precursor solution
- explosive
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- 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
- C06B21/0066—Shaping the mixture by granulation, e.g. flaking
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B25/00—Compositions containing a nitrated organic compound
- C06B25/28—Compositions containing a nitrated organic compound the compound being nitrocellulose present as less than 10% by weight of the total composition
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B25/00—Compositions containing a nitrated organic compound
- C06B25/34—Compositions containing a nitrated organic compound the compound being a nitrated acyclic, alicyclic or heterocyclic amine
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B43/00—Compositions characterised by explosive or thermic constituents not provided for in groups C06B25/00 - C06B41/00
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- Manufacturing Of Micro-Capsules (AREA)
Abstract
The present invention relates to a kind of energetic material complex microsphere of energetic material preparation field and its preparation method and application.Component dissolving of the method for the present invention including by polymer and explosive is in a solvent, precursor solution is made, precursor solution is ejected in high-voltage electrostatic field in droplets, the breakup of drop is into fine droplet, fine droplet gradually becomes dry bead, it is received on pole plate and deposits, dries, you can obtain the energetic material complex microsphere.The method cost of the present invention is cheap, and technique is simple, and Product size is uniform, is adapted to continuous production.
Description
Technical field
The present invention relates to energetic material preparation field, furtherly, is related to a kind of energetic material complex microsphere and its system
Preparation Method and application.
Background technology
The spheroidization of energetic material prepares an important directions of the always research field, includes the ball of the polymer containing energy
It is prepared by the spheroidization of shape and explosive.Nitrocotton (NC) ball is biradical, modified double base propellant important component, its
The good and bad combustibility and mechanical property to propellant of performance has a very big impact.Just proposed early in Olsen in 1936
The manufacturing theory of nitrocotton ball, subsequent various countries researcher have successively carried out substantial amounts of research to it.The spheroidization system of explosive
It is standby to improve the security of explosive and certain optimization function is played to the preparation technology of composite explosives.Polymer-explosive is micro-
Ball is higher than the energy of polymer microballoon, and security is better than explosive microballoon, therefore has had polymer microballoon and spheroidization explosive concurrently
Certain advantages.The preparation of ball is more using suspension method, interior molten method, layer assembly method etc., but the above method has processing
Complex process, cost are high, the reaction time is long, have the shortcomings that accessory substance generation, and existing method for preparing polymer micro is present
Size heterogeneity, there is the problem of adhesive.
The content of the invention
In order to solve the above-mentioned problems in the prior art, the present invention proposes a kind of energetic material complex microsphere, specifically
Ground, which is said, is related to a kind of energetic material complex microsphere and its preparation method and application.Relative to prior art, preparation side of the invention
Method technique is simple, the reaction time is short, accessory substance is less, and can is completed at normal temperatures and pressures, and the microspherulite diameter prepared is more equal
One.
A kind of energetic material complex microsphere of one of the object of the invention, its component is including polymer and explosive；It is described
The weight of polymer and explosive ratio is 2 ︰ 98~98 ︰ 2, preferably 2 ︰ 98~60 ︰ 40, more preferably 5 ︰ 95~50 ︰ 50.Its
In, the polymer may be selected from least one of nitrocotton, glycidyl azide polymer, end hydroxy butadiene；It is described fried
Medicine may be selected from cyclotrimethylene trinitramine (hexogen), cyclotetramethylene-tetranitramine (HMX), the azepine of hexanitro six different 5
Hereby at least one of alkane (CL-20)；The particle diameter of the energetic material complex microsphere is 50nm~100 μm, the μ of preferably 50nm~10
M, still more preferably further preferred 50nm~2 μm, 50nm~500nm.
What preparation composite inorganic membranes containing energy typically resulted on existing market is tens microns even more than hundreds of microns
Microballoon, the application can prepare the microballoon that particle diameter is 50nm~100 μm, and particle diameter can reach nanoscale, and good sphericity.Contain
Energy material spherical has advantages below：For energetic material, surface is smooth, single chmical compound explosive particles without corner angle are than common
The security of blasting explosive granules improves many, and can increase substantially degree of packing, and then improves the detonation property of powder charge.This
Application is to reduce the sensitivity of high explosive using the compound microballoon for preparing of polymer and explosive, is much to add in the prior art
The inert compound either relatively low polymer of energy, and what the application added is the polymer containing energy, is improving explosive sensitivity
The output energy reduction of explosive will not be made more again simultaneously.
A kind of preparation method of energetic material complex microsphere of the two of the object of the invention, comprises the following steps：
In a solvent, precursor solution will be made, by presoma comprising the component dissolving including the polymer and explosive
Solution is ejected in high-voltage electrostatic field from shower nozzle in droplets, and the breakup of drop gradually becomes into fine droplet, fine droplet
Dry bead, it is received on pole plate and deposits, be further dried, you can obtains the energetic material complex microsphere.
Specifically, the above-mentioned component comprising including polymer and explosive is dissolved in a solvent by a certain percentage first, system
For into uniform and stable precursor solution, precursor solution can be added to syringe, slowly injecting and (can such as using peristaltic pump) makes
It sprays from shower nozzle in droplets, and in high-voltage electrostatic field, the breakup of drop is into fine droplet, as fine droplet is in electric field
Middle accelerated motion, solvent gradually evaporate, and drop gradually becomes dry bead, and deposition reception (can be on pole plate on pole plate
Aluminium foil is sticked in advance, bead deposition is received on aluminium foil, when being further dried, directly aluminium foil is placed in baking oven and dried),
In an oven 40~50 DEG C preserve 20~24h make solvent all volatilization (a conventional oven can be used, it is also possible to vacuum drying oven, if with
Vacuum drying oven, vacuum are generally kept in more than 80%).It can obtain energetic material complex microsphere.The solvent may be selected from second
At least one of alcohol, ether, acetone, ethyl acetate etc..Wherein, in the precursor solution weight of polymer and explosive it
With account for the 2%~10% of precursor solution weight, preferably 2%~8%.
The sample introduction speed of precursor solution can spray amount of solution during decide electrostatic spray to a certain extent, for
Fixed voltage, a stable taylor cone can be formed at shower nozzle.In the case where voltage is certain, the diameter of jet can be with stream
The injection speed of body increases within the specific limits, so as to cause microsphere diameter to increase.If injection speed is too low, taylor cone
Can be unstable, the unstability increase of jet, so as to influence microballoon pattern, if injection speed is too high, taylor cone then occurs
Bounce, can also influence microballoon pattern.The sample introduction speed of herein described precursor solution is applicable as 1~10mL/h, preferably 3~
8mL/h.It is described spray precursor solution shower nozzle (if with syringe loading liquid, then shower nozzle is syringe needle, wherein
It is different according to model it is preferred that metal flat mouth syringe needle, internal diameter 0.26mm, 0.30mm, 0.33mm, 0.4mm, 0.5mm, 0.6mm,
0.67mm, 0.86mm, 1.07mm, 1.26mm flat mouth syringe needle are 25,24,23,22,21,20,19,18,17, No. 16 successively, root
According to need select different model.) to the distance of pole plate be 5~20cm, preferably 10~20cm.During electrostatic spray, receive away from
From directly affecting electric-field intensity, and then influence fogging degree and the flight time of drop.Reception distance has dual to particle diameter
Influence, on the one hand, larger reception distance, which can provide time enough, is sufficiently tensile jet, is also beneficial to waving for solvent
Hair, so as to reduce particle diameter；On the other hand, increase, which receives distance, reduces electric-field intensity, drop atomization is died down, so that
Particle diameter increases.So the influence for receiving distance is extremely complex.In this application, inventor has found, receives distance and is less than 5cm
When, solvent can not volatilize completely, and during more than 20cm, microsphere diameter is excessive.
Match somebody with somebody when physical and chemical performance, and control the conditions such as sample rate and electric field property by adjusting precursor solution, can make
It is standby go out particle size range is 50nm~100 μm and uniform particle sizes are distributed complex microsphere.Precursor solution proportioning include polymer with
The percentage that the ratio of explosive and both compositions account in the solution, it is however generally that, polymer content is more, and particle diameter is bigger；
Explosive content is more, and particle diameter is smaller.Electric field property can be changed by adjusting voltage swing and electrode shape, and electrode shape may be selected
The shapes such as flat board, roller, falcate, circle shape, wherein it is preferred that plate shaped, roller shape.The voltage range of the high-voltage electrostatic field
Can be 10~40KV, preferably 15~35KV.
The application can prepare the microballoon of micro/nano level, can particularly prepare nanoscale microballoon, and nano material has small size
Effect, skin effect, quantum size effect, macro quanta tunnel effect etc., therefore produce the uniqueness compared with common material
Property.Nanocomposite Energetic Materials because between its each component can short distance contact, greatly facilitated the heat transfer of material
And mass transport process, the release speed of maximum system energy is improved while is reduced the sensitivity of material, therefore Nanocomposite Energetic Materials
Preparing turns into the focus studied in the last few years.
Polymer and explosive are more equal than what mechanical mixture was disperseed in the microballoon that the application is enabled to using electrostatic spray
It is even.The preparation method of the application is only needed to prepare precursor solution, and product can be prepared by setting electrostatic spray program, then can be led to
The conventional drying plant drying such as baking oven, low production cost are crossed, and the present processes fabrication cycle time is short, and
Because not being related to organic synthesis, so without accessory substance, it is not related to high pressure-temperature, organic matter will not also occur secondary anti-because of overheat
Should.
The energetic material complex microsphere of the application can be used for the formula of gunpowder and explosive, be preferred for propellant, high energy
The main charge of explosive.Further, propellant is relatively specific for when polymer content is more, explosive content is more suitable for when more
The main charge of high explosive.
The present processes using polymer as base material (including nitrocotton (NC), glycidyl azide polymer (GAP),
End hydroxy butadiene (HTPB) etc.), explosive (hexogen, HMX, CL-20 etc.) is added, with ethanol, ether, acetone, second
Acetoacetic ester etc. is solvent, and the energetic material complex microsphere of micro/nano level is prepared using the step of electrostatic spray-seasoning one.The application carries
For a kind of micro-nano method for preparing microsphere of Composite Energetic Materials, and solve it is existing containing can method for preparing polymer micro it is complicated,
Cost is high, microspherulite diameter size heterogeneity, has the problems such as adhesive.The present processes cost is cheap, and technique is simple, product
Size uniform, it is adapted to continuous production.
Brief description of the drawings
Fig. 1 is that (multiplication factor is for the scanning electron microscopic picture of the energetic material complex microsphere of the application prepared by embodiment 6
15000 times).It can be seen that, disperse between the energetic material complex microsphere uniform particle diameter of the application, particle, good sphericity from figure.
Embodiment
With reference to embodiment, the present invention is further illustrated.But the present invention is not restricted by the embodiments.
Embodiment 1
By nitrocotton (collodion, Shanghai Aladdin reagent Co., Ltd, analysis it is pure) and hexogen (hexogen, state-run 575
Factory, technical grade) it is dissolved in ethanol and ether (volume ratio 1:1) in, magnetic agitation 20min obtains clarifying the presoma of stable homogeneous
Solution, wherein, the weight ratio of nitrocotton and hexogen is 2:98, the weight sum of nitrocotton and hexogen accounts for precursor solution weight
The 2% of amount.Above-mentioned precursor solution is added into syringe, syringe is put on peristaltic pump, set peristaltic pump injects speed
For 1mL/h, (flat mouth syringe needle, syringe needle model 25) produces lasting drop at syringe needle.Set high-voltage electrostatic field
Operating voltage 25KV, the distance of regulation syringe needle to pole plate is 10cm, then in reception product (electrostatic on the aluminium foil being attached on pole plate
Spinning-drawing machine ET-2543, work in peace and contentment development in science and technology Co., Ltd for Beijing Yongkang).By aluminium foil in vacuum drying oven 45 DEG C preserve 24h make it is molten
Agent is all volatilized, you can obtains the energetic material complex microsphere that particle diameter is 66 ± 9nm.(particle diameter is to shoot to shine by ESEM
Piece, then measured with imageproplus softwares and count to obtain.)
Embodiment 2
Nitrocotton and HMX (HMX, state-run 575 factory, technical grade) are dissolved in ethanol and acetone (volume ratio
1:1) in, magnetic agitation 20min obtains clarifying the precursor solution of stable homogeneous, wherein, the weight of nitrocotton and HMX
Than for 20:80, the weight sum of nitrocotton and HMX accounts for the 3% of precursor solution weight.Above-mentioned precursor solution is added
Enter syringe, be put on peristaltic pump, set peristaltic pump injects speed as 4mL/h, at syringe needle (flat mouth syringe needle, 24
Number) produce lasting drop.High-voltage electrostatic field operating voltage is set as 20KV, the distance of regulation syringe needle to pole plate is 15cm, so
After receiving product on the aluminium foil being attached on pole plate.Then by aluminium foil, 45 DEG C of preservation 24h make solvent all wave in vacuum drying oven
Hair, you can obtain the energetic material complex microsphere that particle diameter is 347 ± 28nm.
Embodiment 3
Nitrocotton and CL-20 (CL-20, state-run 575th factory, technical grade) are dissolved in ethanol and acetone (volume ratio 1:1)
In, magnetic agitation 20min obtains clarifying the precursor solution of stable homogeneous, wherein, nitrocotton and CL-20 weight ratio are 30:
70, nitrocotton and CL-20 weight sum account for the 4% of precursor solution weight.Above-mentioned precursor solution is added into syringe, put
Onto peristaltic pump, set peristaltic pump injects speed as 4mL/h, and (flat mouth syringe needle, No. 23), which produces, at syringe needle continues
Drop.High-voltage electrostatic field operating voltage is set as 35KV, the distance of regulation syringe needle to pole plate is 5cm, then in being attached to pole plate
On aluminium foil on receive product.By aluminium foil, 45 DEG C of preservation 24h make solvent all volatilize in vacuum drying oven, you can obtaining particle diameter is
332 ± 22nm energetic material complex microsphere.
Embodiment 4
Glycidyl azide polymer (glycidyl azide polymer, the common people chemical research institute, technical grade) and hexogen is molten
In acetone, magnetic agitation 20min obtains clarifying the precursor solution of stable homogeneous, wherein glycidyl azide polymer and black to solution
Suo Jin weight ratio is 40:60, the weight sum of glycidyl azide polymer and hexogen accounts for precursor solution gross weight
5%.Above-mentioned precursor solution is added into syringe, is put on peristaltic pump, set peristaltic pump injects speed as 3mL/h, is noting
(flat mouth syringe needle, No. 23) produces lasting drop at emitter syringe needle.High-voltage electrostatic field operating voltage is set as 22KV, adjusts syringe needle
Distance to pole plate is 20cm, then in receiving product on the aluminium foil being attached on pole plate.Aluminium foil is protected for 45 DEG C in vacuum drying oven
Depositing 24h makes solvent all volatilize, you can obtains the energetic material complex microsphere that particle diameter is 421 ± 45nm.
Embodiment 5
Glycidyl azide polymer and HMX are dissolved in ethanol and acetone (volume ratio 1:1) in, magnetic agitation
Obtain clarifying the precursor solution of stable homogeneous after 20min.Wherein, the weight of glycidyl azide polymer and HMX ratio is
50:50, the weight sum of glycidyl azide polymer and HMX accounts for the 6% of precursor solution weight.By above-mentioned presoma
Solution adds syringe, is put on peristaltic pump, set peristaltic pump injects speed as 6mL/h, (the flat mouth pin at syringe needle
Head, No. 21) produce lasting drop.High-voltage electrostatic field operating voltage is set as 18KV, the distance of regulation syringe needle to pole plate is
12cm, then in receiving product on the aluminium foil being attached on pole plate.By aluminium foil, 45 DEG C of preservation 24h make solvent whole in vacuum drying oven
Volatilization, you can obtain the energetic material complex microsphere that particle diameter is 657 ± 85nm.
Embodiment 6
Glycidyl azide polymer and CL-20 are dissolved in ethanol and acetone (volume ratio 1:1) in, magnetic agitation 20min
Obtain clarifying the precursor solution of stable homogeneous.Wherein, glycidyl azide polymer and CL-20 weight ratio are 60:40, gather folded
Nitrogen glycidol ether and CL-20 weight sum account for the 7% of precursor solution weight.Above-mentioned precursor solution is added and injected
Device, it is put on peristaltic pump, set peristaltic pump injects speed as 8mL/h, and (flat mouth syringe needle, No. 20) produces at syringe needle
Lasting drop.High-voltage electrostatic field operating voltage is set as 38KV, the distance of regulation syringe needle to pole plate is 17cm, then in being attached to
Product is received on aluminium foil on pole plate.By aluminium foil, 45 DEG C of preservation 24h make solvent all volatilize in vacuum drying oven, you can obtain grain
Footpath is 2.05 ± 0.25 μm of energetic material complex microsphere.
Embodiment 7
By end hydroxy butadiene (end hydroxy butadiene, state-run 575 factory, technical grade) and hexogen be dissolved in ethanol and
Acetone (volume ratio 1:1) in, magnetic agitation 20min obtains clarifying the precursor solution of stable homogeneous.Wherein, terminal hydroxy group polybutadiene
The weight of alkene and hexogen ratio is 70:30, the weight sum of end hydroxy butadiene and hexogen accounts for precursor solution gross weight
8%.Above-mentioned precursor solution is added into syringe, is put on peristaltic pump, set peristaltic pump injects speed as 10mL/h,
(flat mouth syringe needle, No. 19) produces lasting drop at syringe needle.High-voltage electrostatic field operating voltage is set as 28KV, metering needle
Head to the distance of pole plate be 8cm, then in receiving product on the aluminium foil being attached on pole plate.Aluminium foil is protected for 45 DEG C in vacuum drying oven
Depositing 24h makes solvent all volatilize, you can obtains the energetic material complex microsphere that particle diameter is 18.41 ± 2.05 μm.
Embodiment 8
By end hydroxy butadiene and HMX dissolving in acetone, magnetic agitation 20min obtains clarifying stable homogeneous
Precursor solution.Wherein, the weight of end hydroxy butadiene and HMX ratio is 80:20, end hydroxy butadiene and Austria
Ke Tuojin weight sum accounts for the 9% of precursor solution gross weight.Above-mentioned precursor solution is added into syringe, is put into peristaltic pump
On, set peristaltic pump injects speed as 5mL/h, and (flat mouth syringe needle, No. 18) produces lasting drop at syringe needle.If
It is 24KV to determine high-voltage electrostatic field operating voltage, and the distance of regulation syringe needle to pole plate is 13cm, then in the aluminium foil being attached on pole plate
Upper reception product.Aluminium foil is preserved 24h and solvent is all volatilized for 45 DEG C in vacuum drying oven, you can obtain particle diameter for 52.83 ±
6.91 μm of energetic material complex microsphere.
Embodiment 9
End hydroxy butadiene and CL-20 are dissolved in ethanol and acetone (volume ratio 1:1) in, magnetic agitation 20min is obtained
To the precursor solution of clarification stable homogeneous.Wherein, end hydroxy butadiene and CL-20 weight ratio are 98:2, terminal hydroxy group gathers
Butadiene and CL-20 weight sum account for the 10% of precursor solution gross weight.Above-mentioned precursor solution is added into syringe, put
Onto peristaltic pump, set peristaltic pump injects speed as 4mL/h, and (flat mouth syringe needle, No. 17), which produces, at syringe needle continues
Drop.High-voltage electrostatic field operating voltage is set as 11KV, the distance of regulation syringe needle to pole plate is 12cm, then in being attached to pole plate
On aluminium foil on receive product.By aluminium foil, 45 DEG C of preservation 24h make solvent all volatilize in vacuum drying oven, you can obtaining particle diameter is
96.83 ± 9.52 μm of energetic material complex microsphere.
Embodiment 10
Glycidyl azide polymer, nitrocotton, HMX and CL-20 are dissolved in ethanol and acetone (volume ratio 1:1)
In, magnetic agitation 20min obtains clarifying the precursor solution of stable homogeneous.Wherein, four weight ratio is 25:25:25:25,
Glycidyl azide polymer, nitrocotton, HMX and CL-20 weight sum account for the 8% of precursor solution weight.Will be above-mentioned
Precursor solution adds syringe, then syringe is put on peristaltic pump, and set peristaltic pump injects speed as 6mL/h, is noting
(flat mouth syringe needle, No. 20) produces lasting drop at emitter syringe needle.High-voltage electrostatic field operating voltage is set as 26KV, adjusts syringe needle
Distance to pole plate is 17cm, then in receiving product on the aluminium foil being attached on pole plate.Aluminium foil is protected for 45 DEG C in vacuum drying oven
Depositing 24h makes solvent all volatilize, you can obtains the energetic material complex microsphere that particle diameter is 1.43 ± 0.15 μm.
Comparative example
Nitrocotton and CL-20 (CL-20, state-run 575th factory, technical grade) are dissolved in ethanol and acetone (volume ratio 1:1)
In, magnetic agitation 20min obtains clarifying the precursor solution of stable homogeneous, wherein, nitrocotton and CL-20 weight ratio are 30:
70, nitrocotton and CL-20 weight sum account for the 4% of precursor solution weight.By spray-dried instrument, (B-290 small sprayings are done
Dry instrument, BUCHI Laboratory Instruments company of Switzerland) on air mass flow be set to 430L/h, empty in instrument oxygen；Start-up temperature
Control, treats that temperature reaches 70 DEG C, precursor solution is pumped into nozzle with 4mL/h speed；Obtained spherical compound particle leads to
Cross after cyclone separator separates with hot nitrogen, all collect in flask, measure the particle diameter of the spherical compound particle of gained for 100 ±
22μm。
Claims (10)
1. a kind of energetic material complex microsphere, it is characterised in that the microballoon includes polymer and explosive；The polymer is with frying
The weight ratio of medicine is 2 ︰ 98~98 ︰ 2, preferably 2 ︰ 98~60 ︰ 40；Wherein, the polymer is selected from nitrocotton, poly- nitrine shrinks
At least one of glycerin ether, end hydroxy butadiene；The explosive is selected from cyclotrimethylene trinitramine, the nitre of ring tetramethylene four
At least one of amine, Hexanitrohexaazaisowurtzitane；The particle diameter of the energetic material complex microsphere is 50nm~100 μm,
Preferably 50nm~10 μm.
2. energetic material complex microsphere according to claim 1, is made up of the method including comprising the following steps：
In a solvent, precursor solution will be made, by precursor solution comprising the component dissolving including the polymer and explosive
It is ejected in droplets from shower nozzle in high-voltage electrostatic field, the breakup of drop gradually becomes drying into fine droplet, fine droplet
Bead, be received on pole plate, dry, you can obtain the energetic material complex microsphere.
3. the preparation method of energetic material complex microsphere according to claim 1 or 2, it is characterised in that including following step
Suddenly：
In a solvent, precursor solution will be made, by precursor solution comprising the component dissolving including the polymer and explosive
It is ejected in droplets from shower nozzle in high-voltage electrostatic field, the breakup of drop gradually becomes drying into fine droplet, fine droplet
Bead, be received on pole plate, be further dried, you can obtain the energetic material complex microsphere.
4. the preparation method of energetic material complex microsphere according to claim 3, it is characterised in that：
In the precursor solution, the weight sum of the polymer and explosive accounts for the 2%~10% of precursor solution weight, excellent
Select 2%~8%.
5. the preparation method of energetic material complex microsphere according to claim 3, it is characterised in that：
The solvent is selected from least one of ethanol, ether, acetone, ethyl acetate.
6. the preparation method of energetic material complex microsphere according to claim 3, it is characterised in that：
The voltage range of the high-voltage electrostatic field is 10KV~40KV, preferably 15KV~35KV.
7. the preparation method of energetic material complex microsphere according to claim 3, it is characterised in that：
Sample introduction speed of the precursor solution in high-voltage electrostatic field is 1mL/h~10mL/h, preferably 3mL/h~8mL/h.
8. the preparation method of energetic material complex microsphere according to claim 3, it is characterised in that：
The distance of the shower nozzle to pole plate is 5cm~20cm, preferably 10cm~20cm.
9. the preparation method of energetic material complex microsphere according to claim 3, it is characterised in that：
The temperature range being further dried is 40~50 DEG C.
10. the purposes of energetic material complex microsphere according to claim 1 or 2, it is characterised in that：
The energetic material complex microsphere is used for gunpowder and explosive, is preferred for propellant, the main charge of high explosive.
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| CN109485531A (en) * | 2018-12-13 | 2019-03-19 | 南京理工大学 | Superfine spherical CL-20 Composite Energetic Materials and preparation method thereof |
| CN109836846A (en) * | 2019-03-21 | 2019-06-04 | 北京理工大学 | A kind of micro-nano fluorescence pigment and preparation method thereof |
| CN110143843A (en) * | 2019-06-04 | 2019-08-20 | 中国工程物理研究院化工材料研究所 | A kind of aluminium-based porous microballoon of nanometer and preparation method thereof |
| CN110530213A (en) * | 2019-08-07 | 2019-12-03 | 南京理工大学 | A kind of minute yardstick abnormity loading method based on electrostatic template |
| CN112745178A (en) * | 2021-01-04 | 2021-05-04 | 西安近代化学研究所 | Method for coating hexogen by high-voltage electrostatic spraying |
| CN114751799A (en) * | 2022-04-24 | 2022-07-15 | 中国兵器装备集团西南技术工程研究所 | RDX @ PVDF composite microsphere based on core-shell structure and preparation method thereof |
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| CN109836846B (en) * | 2019-03-21 | 2021-04-13 | 北京理工大学 | Micro-nano fluorescent pigment and preparation method thereof |
| CN110143843A (en) * | 2019-06-04 | 2019-08-20 | 中国工程物理研究院化工材料研究所 | A kind of aluminium-based porous microballoon of nanometer and preparation method thereof |
| CN110143843B (en) * | 2019-06-04 | 2021-06-29 | 中国工程物理研究院化工材料研究所 | Nano aluminum-based porous microspheres and preparation method thereof |
| CN110530213A (en) * | 2019-08-07 | 2019-12-03 | 南京理工大学 | A kind of minute yardstick abnormity loading method based on electrostatic template |
| CN110530213B (en) * | 2019-08-07 | 2022-06-28 | 南京理工大学 | Micro-scale special-shaped charging method based on electrostatic template |
| CN112745178A (en) * | 2021-01-04 | 2021-05-04 | 西安近代化学研究所 | Method for coating hexogen by high-voltage electrostatic spraying |
| CN114751799A (en) * | 2022-04-24 | 2022-07-15 | 中国兵器装备集团西南技术工程研究所 | RDX @ PVDF composite microsphere based on core-shell structure and preparation method thereof |
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