CN106518582A - Preparation method of energetic material with controllable interface infiltration performance - Google Patents
Preparation method of energetic material with controllable interface infiltration performance Download PDFInfo
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- CN106518582A CN106518582A CN201610959233.3A CN201610959233A CN106518582A CN 106518582 A CN106518582 A CN 106518582A CN 201610959233 A CN201610959233 A CN 201610959233A CN 106518582 A CN106518582 A CN 106518582A
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- 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
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- 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
- C06B25/04—Compositions containing a nitrated organic compound the nitrated compound being an aromatic
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- 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
- C06B25/36—Compositions containing a nitrated organic compound the compound being a nitroparaffin
- C06B25/40—Compositions containing a nitrated organic compound the compound being a nitroparaffin with two or more nitroparaffins present
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Abstract
The invention discloses a preparation method of an energetic material with controllable interface infiltration performance. The preparation method includes the steps that firstly, an energetic material with hydrophilicity is prepared; secondly, an energetic material wrapping specific nanometer particles is prepared; thirdly, washing and drying are conducted; fourthly, soaking with an alkyl siloxane solution is conducted; and fifthly, washing and drying are conducted, so that the energetic material with the controllable interface infiltration performance is obtained. The preparation method has the beneficial effects that expensive equipment and severe experiment conditions do not need to be used, and the production cost is reduced; the characteristics of convenience and rapidness are achieved, and good infiltration performance controllability is achieved; the energetic material which is prepared through the preparation method and has the controllable surface and interface infiltration performance is used for the field of PBX, the infiltration performance can be changed at any time according to changes of a bonding system, and a good solid-liquid complete infiltrating and wrapping effect is achieved; and water-insoluble energetic materials such as HMX, RDX and TATB can be used as modification matrixes, and the wide application range is achieved.
Description
Technical field
The present invention relates to a kind of preparation method of energetic material, and in particular to a kind of controllable material containing energy of interface wetting property
The preparation method of material, belongs to technical field of material.
Background technology
Cast high polymer bonding explosive with the high explosive such as HMX (HMX) and hexogen (RDX) as main charge
(PBX) component containing various different surfaces performances in filling a prescription, solid-liquid, solid-solid interphase interface adhesion are puzzlement designers
A great problem.Due to the problem of surface and interface wetting property, during the use of main explosive, addition bonding agent etc. is generally needed to help
Agent, makes explosive have better wetting property and compatibility performance with other components in PBX, it is easy to form the mixing of uniform cladding
Explosive system, this be also improve PBX shapings and process mechanical property one of effective way (Li Jiangcun, it is burnt clear to be situated between etc. containing can material
Material, 2009,17:274-277.).But bonding agent select need to according to the main body explosive, binding agent contained in different PBX systems and
The components such as plasticizer are adjusted correspondingly, and bonding agent matches action principle research and selection so that bonding agent with binding agent
Work become it is sufficiently complex (Oberth A E.Rubber Chemistry and Technology, 1967,40:1337.), extremely
Modern also no monolithic bonding agent selective rules can be for reference.Controllable special wetting property is introduced in main explosive, is made
Material has regulatable surface and interface wetting property, can directly pass through external condition stimulus material, the leaching needed for reaching material
Lubricant nature energy, improves its wellability and compatibility with other components in PBX explosives.
Nearly 5 years, researcher had found that some special functional groups or material can be stimulated by external condition and changes its infiltration
Characteristic, such as TiO2、ZnO、WOx, PNIPAM and poly- dimethylamino-methyl ethyl acrylate and its compound substance etc..
The principle that these material surface wetting properties change is mainly the chemical state that incentive condition can change material surface, makes to be adsorbed in
The atom or molecule on surface reacts, and causes the wetting property of material surface that transformation occurs, and works as the disappearance of environmental stimuli condition
After a period of time or change, the atom or molecule that material surface reacts gradually can spread, and the chemical state of material surface is again
Original state is returned to, makes the wetting property of material that reversible change (Nishimoto S, Sekine H, et to occur
al.Langmuir,2009,25:7226-7228.).This kind of property of controllable immersing energy is compound in into energetic material surface, can
The selection and addition of bonding agent in PBX are reduced, according to the difference of PBX colloids system, is stimulated by external condition and is changed energetic material
Wetting property, make material and the wetting property of each component reach ideal effect.
The content of the invention
The present invention is to solve existing energetic material surface and interface wetting property can not regulate and control when in use, need select it is various
The problem of bonding agent, and a kind of preparation method of the controllable energetic material of interface wetting property is provided.
The invention provides a kind of preparation method of the controllable energetic material of interface wetting property, is carried out according to the following steps：
Step one, by the particles such as energetic material HMX, RDX, TATB or CL-20 distinguish ultrasonic disperse in ethanol and/or water
In, controlled concentration is 1mg/ml～100mg/ml, is cleaned by ultrasonic 1min～20min；
Step 2, step one is cleaned after solid particle carry out suction filtration after, be placed in 20 DEG C～120 DEG C of baking oven be dried
0.5h～12h；
Aqueous buffer solution 10ml～the 200ml of step 3, the trishydroxymethylaminomethane of configuration 5mM～50mM concentration, delays
Bath solution ph is 8～14, and the solid particle dispersions that step 2 cleaning is obtained are in aqueous buffer solution, then add 1mg/mL
The Dopamine hydrochloride of～10mg/mL concentration stirs 0.5h～24h in dispersion liquid；
Step 4, the step 3 dispersion liquid that completes of stirring is carried out into suction filtration cleaning, be placed in 50 DEG C～120 DEG C of baking oven and do
Dry 0.5h～12h；
Step 5, by particle diameter for 5nm～500nm TiO2Or ZnO or WOx particles are with the dense of 0.1mg/ml～50mg/ml
Degree is added in deionized water, and dispersion liquid ultrasonic disperse 2min～60min reuses acetic acid and the pH value of dispersion liquid adjusted to 1
～7；
Step 6, solid particle and dopamine that step 4 drying is obtained add into the dispersion liquid of step 5 configuration,
Dopamine concentration is made for 1mg/mL～10mg/mL, dispersion liquid with the rotating speed mixing time of 100rpm～1000rpm as 1h～24h；
Step 7, will react in step 6 after the solid particle that obtains carried out after suction filtration with distilled water flushing, be placed in 50 DEG C
0.5h～12h is dried in～120 DEG C of baking oven；
Step 8, with ethanol as organic solvent, alkylsiloxane is solute, solution of the configuration concentration for 0.1mM～50mM,
The solid particle that step 7 is obtained is placed in into immersion 0.5h～24h in solution, the solid particle that centrifugation drying is obtained is surface and interface
The controllable energetic material of wetting property.
In step 3 and step 6, it is only necessary to be completely dispersed solid particle, forming dispersion liquid just can be with, it is not necessary to special
Solid-to-liquid ratio is not limited.
The present invention has the advantage that：
First, the controllable energetic material of surface and interface wetting property is prepared using the preparation method of the present invention and does not require the use of costliness
The experiment condition of equipment and harshness, reduces production cost；
2nd, had using the controllable energetic material of the surface and interface wetting property of the preparation method preparation of the present invention convenient and swift
The characteristics of, good wetting property controllability；
3rd, PBX fields are used for using the controllable energetic material of the surface and interface wetting property of the preparation method preparation of the present invention,
Wetting property can be changed at any time according to the change of bonding system, reach good solid-liquid complete wetting covered effect；
4th, preparation method of the present invention can adopt the energetic material conduct of the water insoluble and isopropanols such as HMX, RDX, TATB
Modified matrix, with widespread popularity.
Description of the drawings
Fig. 1 is to test a super-hydrophobic HMX for preparing to carry out water in the photo of contact angle test
Fig. 2 is to test the two super-hydrophobic HMX for preparing to carry out water in the photo of contact angle test
Fig. 3 is to test the three super-hydrophobic RDX for preparing to carry out water in the photo of contact angle test
Fig. 4 is the stereoscan photograph for testing a super-hydrophobic HMX for preparing
Fig. 5 is the stereoscan photograph for testing the two super-hydrophobic HMX for preparing
Fig. 6 is to test a super-hydrophobic HMX powder for preparing and be placed under the ultraviolet light that wavelength is 250nm～400nm to irradiate not
Powder is carried out into contact angle test with after the time, the contact angle datagram for obtaining
Specific embodiment
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
A kind of preparation method of the controllable energetic material of interface wetting property, comprises the steps：
Step one, it is that concentration is obtained in second alcohol and water is 5mg/ml for 180 μm of HMX particles ultrasonic disperse by particle diameter, surpasses
Sound cleans 10min；
Step 2, step one is cleaned after solid particle carry out suction filtration after, be placed in 80 DEG C of baking oven and be dried 6h；
The aqueous buffer solution 40ml of step 3, the trishydroxymethylaminomethane of configuration 10mM concentration, pH value of water solution is
8.5, the solid particle dispersions that step 2 cleaning is obtained are in aqueous buffer solution, then the Dopamine hydrochloride for adding 2mg/mL concentration
12h is stirred in dispersion liquid；
Step 4, the step 3 dispersion liquid that completes of stirring is carried out into suction filtration cleaning, be placed in 50 DEG C of baking oven and be dried 5h；
Step 5, by particle diameter for 20nm TiO2Particle is added in deionized water with the concentration of 5mg/ml, and dispersion liquid surpasses
Sound disperses 10min, reuses acetic acid and the pH value of dispersion liquid is adjusted to 3；
Step 6, the step 4 solid particle that obtains of drying is added into the dispersion liquid of step 5 configuration, then add dense
The dopamine for 2mg/ml is spent in dispersion liquid, dispersion liquid is with the rotating speed mixing time of 200rpm as 7h；
Step 7, will react in step 6 and rinsed with distilled water repeatedly after the solid particle that obtains carries out suction filtration after, be placed in
6h is dried in 60 DEG C of baking oven；
Step 8, with ethanol as organic solvent, alkylsiloxane is solute, solution of the configuration concentration for 5mM, by step 7
The solid particle for obtaining is placed in solution and soaks 1h, and the solid particle that centrifugation drying is obtained contains for surface and interface wetting property is controllable
Can material.
Embodiment two
Present embodiment from unlike embodiment one：
Solid particle described in step one is 100 μm of RDX.Other are identical with embodiment one.
Embodiment three
Present embodiment from unlike embodiment one：
Solid particle described in step one is 500 μm of spherical HMX.Other are identical with embodiment one.
Example IV
Present embodiment from unlike embodiment one：
TiO described in step 52Nano particle diameter is 200nm, and concentration is 10mg/ml.Other and one phase of embodiment
Together.
Embodiment five
Present embodiment from unlike embodiment one：
Dispersion liquid pH described in step 5 is adjusted to 5.Other are identical with embodiment one.
Embodiment six
The concentration of dopamine described in step 6 is 4mg/ml.Other steps are identical with one of embodiment one to five.
Embodiment seven
Present embodiment from unlike specific embodiment one to six：
In the organic solvent solution of the siloxanes of the 2mM described in step 8, the molecular structure of siloxanes is WhereinIn R1For-CH3、-C2H5、-
CnH2n-1、-CF3Or-CnH2n-m-1Fm,-CnH2n-1Middle n be 1≤n≤18 ,-CnH2n-m-1FmMiddle n be 1≤n≤18, m be 1≤m≤
32；
WhereinIn R2For-CH3、-C2H5、-CnH2n-1、-CF3Or-CnH2n-m-1Fm,-CnH2n-1
Middle n be 1≤n≤18 ,-CnH2n-m-1FmMiddle n is 1≤n≤18, and m is 1≤m≤32.Other are one of with specific embodiment one to five
It is identical.
Using the effect of following verification experimental verifications present invention：
Test one
A kind of preparation method of the controllable energetic material of surface and interface wetting property, is carried out according to the following steps：
First, it is 5mg/ml particle diameter to be obtained in second alcohol and water concentration for 180 μm of HMX particles ultrasonic disperses, is cleaned by ultrasonic
10min；2nd, after the solid particle after clean step one carries out suction filtration, it is placed in 80 DEG C of baking oven and is dried 6h；3rd, configure
The aqueous buffer solution 40ml of the trishydroxymethylaminomethane of 10mM concentration, pH value of water solution is 8.5, and step 2 cleaning is obtained
Solid particle dispersions are in aqueous buffer solution, then add the Dopamine hydrochloride of 2mg/mL concentration 12h is stirred in dispersion liquid；4th,
The dispersion liquid that step 3 stirring is completed is carried out into suction filtration cleaning, is placed in 50 DEG C of baking oven and is dried 5h；5th, by particle diameter for 20nm's
TiO2During particle is with the concentration addition deionized water water of 5mg/ml, dispersion liquid ultrasonic disperse 10min reuses acetic acid by dispersion liquid
PH value adjust to 3；6th, the solid particle that step 4 drying is obtained is added into the dispersion liquid of step 5 configuration, then is added
Concentration for 2mg/ml dopamine in dispersion liquid, dispersion liquid is with the rotating speed mixing time of 200rpm as 7h；7th, by step 6
After the solid particle that reaction is obtained is rinsed repeatedly with distilled water after carrying out suction filtration, it is placed in 60 DEG C of baking oven and is dried 6h；8th, with second
Alcohol is organic solvent, and alkylsiloxane is solute, and configuration concentration is the solution of 5mM, and the solid particle that step 7 is obtained is placed in
1h is soaked in solution, the solid particle that centrifugation drying is obtained is the controllable energetic material of surface and interface wetting property.
Contact angle test is carried out to solid particulate materials prepared by this test using contact angle tester, as shown in figure 1, by
Fig. 1 understands that the compound HMX materials for just having prepared have preferable superhydrophobic characteristic.Then the pressed powder for preparing is put
Pressed powder is carried out into contact angle test after different time being irradiated under ultraviolet light of the wavelength for 250nm～400nm, and what is obtained connects
Feeler data are as shown in fig. 6, it will be appreciated from fig. 6 that pressed powder is after ultraviolet light irradiation different time is received, its wetting property occurs
Regular change, illustrate that this modified energetic material its surface and interface wetting property can be long by the time of ultraviolet light irradiation
It is so short that control.
Test two：A kind of preparation method of the controllable energetic material of surface and interface wetting property, is carried out according to the following steps：
First, it is 10mg/ml that the spherical HMX particle ultrasonic disperse that particle diameter is 500 μm is obtained concentration in second alcohol and water,
It is cleaned by ultrasonic 10min；2nd, after the solid particle after clean step one carries out suction filtration, it is placed in 80 DEG C of baking oven and is dried 6h；
3rd, the aqueous buffer solution 40ml of the trishydroxymethylaminomethane of 10mmol concentration is configured, pH value of water solution is 8.5, by step 2
The solid particle dispersions that obtain of cleaning are in aqueous buffer solution, then add the Dopamine hydrochloride of 4mg/mL concentration and stir in dispersion liquid
Mix 12h；4th, the dispersion liquid that step 3 stirring is completed is carried out into suction filtration cleaning, is placed in 60 DEG C of baking oven and is dried 5h；5th, by grain
TiO of the footpath for 200nm2During particle is with the concentration addition deionized water water of 5mg/ml, dispersion liquid ultrasonic disperse 10min is reused
Acetic acid adjusts the pH value of dispersion liquid to 3；6th, the solid particle that step 4 drying is obtained is added to the dispersion of step 5 configuration
In liquid, then add concentration be 4mg/ml dopamine in dispersion liquid, dispersion liquid is with the rotating speed mixing time of 300rpm as 7h；
7th, will react in step 6 after being rinsed with distilled water repeatedly after the solid particle that obtains carries out suction filtration, be placed in 60 DEG C of baking oven
It is dried 6h；8th, with ethanol as organic solvent, alkylsiloxane is solute, and configuration concentration is the solution of 5mM, and step 7 is obtained
Solid particle be placed in solution and soak 1h, the solid particle that centrifugation drying is obtained be surface and interface wetting property it is controllable containing can material
Material.
Test three：A kind of preparation method of the controllable energetic material of surface and interface wetting property, is carried out according to the following steps：
First, it is 5mg/ml particle diameter to be obtained in second alcohol and water concentration for 100 μm of RDX particles ultrasonic disperses, is cleaned by ultrasonic
10min；2nd, after the solid particle after clean step one carries out suction filtration, it is placed in 80 DEG C of baking oven and is dried 6h；3rd, configure
The aqueous buffer solution 40ml of the trishydroxymethylaminomethane of 10mmol concentration, pH value of water solution is 8.5, and step 2 cleaning is obtained
Solid particle dispersions in aqueous buffer solution, then add the Dopamine hydrochloride of 2mg/mL concentration 12h stirred in dispersion liquid；
4th, the dispersion liquid that step 3 stirring is completed is carried out into suction filtration cleaning, is placed in 60 DEG C of baking oven and is dried 5h；5th, by particle diameter it is
The TiO of 200nm2During particle is with the concentration addition deionized water water of 10mg/ml, dispersion liquid ultrasonic disperse 10min reuses acetic acid
The pH value of dispersion liquid is adjusted to 3；6th, the solid particle that step 4 drying is obtained is added to the dispersion liquid of step 5 configuration
In, then add concentration be 2mg/ml dopamine in dispersion liquid, dispersion liquid is with the rotating speed mixing time of 200rpm as 7h；7th,
To react in step 6 after being rinsed with distilled water repeatedly after the solid particle that obtains carries out suction filtration, be placed in 60 DEG C of baking oven and be dried
6h；8th, with ethanol as organic solvent, alkylsiloxane is solute, and configuration concentration is the solution of 5mmol, and step 7 is obtained
Solid particle is placed in solution and soaks 1h, and the solid particle that centrifugation drying is obtained is the controllable material containing energy of surface and interface wetting property
Material.
Test four：A kind of preparation method of the controllable energetic material of surface and interface wetting property, is carried out according to the following steps：
First, it is 10mg/ml particle diameter to be obtained in second alcohol and water concentration for 100 μm of RDX particles ultrasonic disperses, is cleaned by ultrasonic
5min；2nd, after the solid particle after clean step one carries out suction filtration, it is placed in 80 DEG C of baking oven and is dried 6h；3rd, configure 10mM
The aqueous buffer solution 40ml of the trishydroxymethylaminomethane of concentration, pH value of water solution is 8.5, the solid that step 2 cleaning is obtained
Particle is scattered in aqueous buffer solution, then adds the Dopamine hydrochloride of 4mg/mL concentration 24h is stirred in dispersion liquid；4th, will step
The dispersion liquid that rapid three stirring is completed carries out suction filtration cleaning, is placed in 50 DEG C of baking oven and is dried 5h；5th, by particle diameter for 200nm's
TiO2During particle is with the concentration addition deionized water water of 20mg/ml, dispersion liquid ultrasonic disperse 20min reuses acetic acid by dispersion
The pH value of liquid is adjusted to 3；6th, the solid particle that step 4 drying is obtained is added into the dispersion liquid of step 5 configuration, then is added
Plus the dopamine that concentration is 2mg/ml, in dispersion liquid, dispersion liquid is with the rotating speed mixing time of 300rpm as 5h；7th, by step 6
After the solid particle that middle reaction is obtained is rinsed repeatedly with distilled water after carrying out suction filtration, it is placed in 60 DEG C of baking oven and is dried 6h；8th, with
Ethanol is organic solvent, and alkylsiloxane is solute, and configuration concentration is the solution of 10mM, and the solid particle that step 7 is obtained is put
1h is soaked in solution, the solid particle that centrifugation drying is obtained is the controllable energetic material of surface and interface wetting property.
Test five：A kind of preparation method of the controllable energetic material of surface and interface wetting property, is carried out according to the following steps：
First, it is 10mg/ml particle diameter to be obtained in second alcohol and water concentration for 180 μm of RDX particles ultrasonic disperses, is cleaned by ultrasonic
10min；2nd, after the solid particle after clean step one carries out suction filtration, it is placed in 80 DEG C of baking oven and is dried 6h；3rd, configure 10M
The aqueous buffer solution 50ml of the trishydroxymethylaminomethane of concentration, pH value of water solution is 8.5, the solid that step 2 cleaning is obtained
Particle is scattered in aqueous buffer solution, then adds the Dopamine hydrochloride of 3mg/mL concentration 12h is stirred in dispersion liquid；4th, will step
The dispersion liquid that rapid three stirring is completed carries out suction filtration cleaning, is placed in 50 DEG C of baking oven and is dried 5h；5th, by particle diameter for 20nm TiO2
During particle is with the concentration addition deionized water water of 20mg/ml, dispersion liquid ultrasonic disperse 20min reuses acetic acid by dispersion liquid
PH value is adjusted to 3；6th, the solid particle that step 4 drying is obtained is added into the dispersion liquid of step 5 configuration, then adds dense
The dopamine for 4mg/ml is spent in dispersion liquid, dispersion liquid is with the rotating speed mixing time of 400rpm as 7h；7th, will be anti-in step 6
After the solid particle that should be obtained is rinsed repeatedly with distilled water after carrying out suction filtration, it is placed in 60 DEG C of baking oven and is dried 6h；8th, with ethanol
For organic solvent, alkylsiloxane is solute, and configuration concentration is the solution of 10mM, the solid particle that step 7 is obtained is placed in molten
2h is soaked in liquid, the solid particle that centrifugation drying is obtained is the controllable energetic material of surface and interface wetting property.
Test six：A kind of preparation method of the controllable energetic material of surface and interface wetting property, is carried out according to the following steps：
First, it is 5mg/ml particle diameter to be obtained in second alcohol and water concentration for 180 μm of HMX particles ultrasonic disperses, is cleaned by ultrasonic
10min；2nd, after the solid particle after clean step one carries out suction filtration, it is placed in 80 DEG C of baking oven and is dried 6h；3rd, configure
The aqueous buffer solution 40ml of the trishydroxymethylaminomethane of 10mM concentration, pH value of water solution is 8.5, and step 2 cleaning is obtained
Solid particle dispersions are in aqueous buffer solution, then add the Dopamine hydrochloride of 4mg/mL concentration 15h is stirred in dispersion liquid；4th,
The dispersion liquid that step 3 stirring is completed is carried out into suction filtration cleaning, is placed in 50 DEG C of baking oven and is dried 5h；5th, by particle diameter for 20nm's
TiO2During particle is with the concentration addition deionized water water of 10mg/ml, dispersion liquid ultrasonic disperse 20min reuses acetic acid by dispersion
The pH value of liquid is adjusted to 4；6th, the solid particle that step 4 drying is obtained is added into the dispersion liquid of step 5 configuration, then is added
Plus the dopamine that concentration is 4mg/ml, in dispersion liquid, dispersion liquid is with the rotating speed mixing time of 400rpm as 5h；7th, by step 6
After the solid particle that middle reaction is obtained is rinsed repeatedly with distilled water after carrying out suction filtration, it is placed in 60 DEG C of baking oven and is dried 6h；8th, with
Ethanol is organic solvent, and alkylsiloxane is solute, and configuration concentration is the solution of 3mM, and the solid particle that step 7 is obtained is put
1h is soaked in solution, the solid particle that centrifugation drying is obtained is the controllable energetic material of surface and interface wetting property.
Test seven：A kind of preparation method of the controllable energetic material of surface and interface wetting property, is carried out according to the following steps：
First, it is 10mg/ml particle diameter to be obtained in second alcohol and water concentration for 180 μm of HMX particles ultrasonic disperses, is cleaned by ultrasonic
10min；2nd, after the solid particle after clean step one carries out suction filtration, it is placed in 80 DEG C of baking oven and is dried 6h；3rd, configure
The aqueous buffer solution 40ml of the trishydroxymethylaminomethane of 10mmol concentration, pH value of water solution is 8.5, and step 2 cleaning is obtained
Solid particle dispersions in aqueous buffer solution, then add the Dopamine hydrochloride of 3mg/mL concentration 12h stirred in dispersion liquid；
4th, the dispersion liquid that step 3 stirring is completed is carried out into suction filtration cleaning, is placed in 50 DEG C of baking oven and is dried 5h；5th, by particle diameter it is
The TiO of 50nm2Particle is added in deionized water water with the concentration of 5mg/ml, dispersion liquid ultrasonic disperse 10min, and reusing acetic acid will
The pH value of dispersion liquid is adjusted to 3；6th, the solid particle that step 4 drying is obtained is added into the dispersion liquid of step 5 configuration,
Add again concentration be 2mg/ml dopamine in dispersion liquid, dispersion liquid is with the rotating speed mixing time of 300rpm as 7h；7th, will step
React in rapid six after being rinsed with distilled water repeatedly after the solid particle for obtaining carries out suction filtration, be placed in 60 DEG C of baking oven and be dried 6h；
8th, with ethanol as organic solvent, alkylsiloxane is solute, solution of the configuration concentration for 5mM, the solid that step 7 is obtained
Grain is placed in solution and soaks 1h, and the solid particle that centrifugation drying is obtained is the controllable energetic material of surface and interface wetting property.
Test eight：A kind of preparation method of the controllable energetic material of surface and interface wetting property, is carried out according to the following steps：
First, it is 5mg/ml particle diameter to be obtained in second alcohol and water concentration for 30 μm of TATB ultrasonic disperses, is cleaned by ultrasonic
10min；2nd, after the solid particle after clean step one carries out suction filtration, it is placed in 80 DEG C of baking oven and is dried 6h；3rd, configure
The aqueous buffer solution 40ml of the trishydroxymethylaminomethane of 10mM concentration, pH value of water solution is 8.5, and step 2 cleaning is obtained
Solid particle dispersions are in aqueous buffer solution, then add the Dopamine hydrochloride of 2mg/mL concentration 12h is stirred in dispersion liquid；4th,
The dispersion liquid that step 3 stirring is completed is carried out into suction filtration cleaning, is placed in 50 DEG C of baking oven and is dried 5h；5th, by particle diameter for 20nm's
TiO2During particle is with the concentration addition deionized water water of 5mg/ml, dispersion liquid ultrasonic disperse 10min reuses acetic acid by dispersion liquid
PH value adjust to 3；6th, the solid particle that step 4 drying is obtained is added into the dispersion liquid of step 5 configuration, then is added
Concentration for 2mg/ml dopamine in dispersion liquid, dispersion liquid is with the rotating speed mixing time of 200rpm as 7h；7th, by step 6
After the solid particle that reaction is obtained is rinsed repeatedly with distilled water after carrying out suction filtration, it is placed in 60 DEG C of baking oven and is dried 6h；8th, with second
Alcohol is organic solvent, and alkylsiloxane is solute, and configuration concentration is the solution of 5mmol, and the solid particle that step 7 is obtained is put
1h is soaked in solution, the solid particle that centrifugation drying is obtained is the controllable energetic material of surface and interface wetting property.
Contact angle test is carried out to water to super-hydrophobic HMX prepared by test one using contact angle tester, what is obtained is super thin
As shown in figure 1, as shown in Figure 1, super-hydrophobic HMX contact angles prepared by this test are more than 150 ° to water HMX contact angles photo, with super
Hydrophobic performance.
Contact angle test is carried out to water to super-hydrophobic HMX prepared by test two using contact angle tester, what is obtained is super thin
As shown in Fig. 2 as shown in Figure 2, super-hydrophobic HMX contact angles prepared by this test are more than 150 ° to water HMX contact angles photo, with super
Hydrophobic performance.
Contact angle test is carried out to water to super-hydrophobic RDX prepared by test three using contact angle tester, what is obtained is super thin
Water RDX contact angles photo as shown in figure 3, from the figure 3, it may be seen that super-hydrophobic RDX contact angles prepared by this test are more than 150 °, with super
Hydrophobic performance.
As shown in figure 4, as shown in Figure 4, HMX is wrapped up on surface the stereoscan photograph of super-hydrophobic HMX prepared by test one
One layer of TiO2Nano particle.
As shown in figure 5, as shown in Figure 5, HMX surfaces are uniform for the stereoscan photograph of super-hydrophobic HMX prepared by test two
One layer of TiO is wrapped up2Nano particle.
Super-hydrophobic HMX powder prepared by test one is placed under the ultraviolet light that wavelength is 250nm～400nm and irradiates different time
Powder is carried out into contact angle test afterwards, the contact angular data for obtaining is as shown in fig. 6, it will be appreciated from fig. 6 that wrapped up one layer of TiO2Film
Energetic material wetting property under ultraviolet light stimulus changes.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this
Bright preferably embodiment, embodiments of the present invention are simultaneously not restricted to the described embodiments, it should be appreciated that people in the art
Member can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in principle disclosed in the present application
Within scope and spirit.
Claims (2)
1. the preparation method of the controllable energetic material of a kind of interface wetting property, it is characterised in that carry out according to the following steps：
Step one, by energetic material particle ultrasonic disperse in ethanol and/or water, controlled concentration be 1mg/ml～100mg/ml,
It is cleaned by ultrasonic 1min～20min；
Step 2, step one is cleaned after solid particle carry out suction filtration after, be placed in 20 DEG C～120 DEG C of baking oven and be dried 0.5h
～12h；
Aqueous buffer solution 10ml～the 200ml of step 3, the trishydroxymethylaminomethane of configuration 5mM～50mM concentration, buffered water
Solution ph is 8～14, by the step 2 solid particle dispersions that obtain of cleaning in aqueous buffer solution, then add 1mg/mL～
The Dopamine hydrochloride of 10mg/mL concentration stirs 0.5h～24h in dispersion liquid；
Step 4, the step 3 dispersion liquid that completes of stirring is carried out into suction filtration cleaning, be placed in 50 DEG C～120 DEG C of baking oven and be dried
0.5h～12h；
Step 5, by particle diameter for 5nm～500nm TiO2Or ZnO or WOxParticle is added with the concentration of 0.1mg/ml～50mg/ml
To in deionized water, dispersion liquid ultrasonic disperse 2min～60min reuses acetic acid and the pH value of dispersion liquid is adjusted to 1～7；
Step 6, solid particle and dopamine that step 4 drying is obtained add into the dispersion liquid of step 5 configuration, make many
Bar amine concentration be 1mg/mL～10mg/mL, dispersion liquid with the rotating speed mixing time of 100rpm～1000rpm as 1h～24h；
Step 7, will react in step 6 after the solid particle that obtains carried out after suction filtration with distilled water flushing, be placed in 50 DEG C～120
DEG C baking oven in be dried 0.5h～12h；
Step 8, with ethanol as organic solvent, alkylsiloxane is solute, solution of the configuration concentration for 0.1mM～50mM, will step
Rapid seven solid particles for obtaining are placed in immersion 0.5h～24h in solution, and the solid particle that centrifugation drying is obtained is infiltrated for surface and interface
The controllable energetic material of performance.
2. the preparation method of the controllable energetic material of interface wetting property according to claim 1, it is characterised in that：It is described to contain
Energy material is HMX, RDX, TATB or CL-20.
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| CN108117470A (en) * | 2017-12-20 | 2018-06-05 | 西安近代化学研究所 | A kind of method that CL-20 mechanical sensitivities are reduced using poly-dopamine |
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| CN109704896A (en) * | 2019-01-09 | 2019-05-03 | 西北工业大学 | One kind is based on poly-dopamine interface regulation ammonal modified aluminium powder and preparation method |
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