CN108976176A - 3,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals - Google Patents
3,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals Download PDFInfo
- Publication number
- CN108976176A CN108976176A CN201811062528.6A CN201811062528A CN108976176A CN 108976176 A CN108976176 A CN 108976176A CN 201811062528 A CN201811062528 A CN 201811062528A CN 108976176 A CN108976176 A CN 108976176A
- Authority
- CN
- China
- Prior art keywords
- daoaf
- solution
- diamino
- solvent
- thinning method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
- C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D271/08—1,2,5-Oxadiazoles; Hydrogenated 1,2,5-oxadiazoles
Abstract
The present invention relates to energetic material field, especially 3,3 '-diamino -4, the thinning methods of 4 '-azoxy furazan explosive crystals.The thinning method is the following steps are included: (1) will form DAOAF solution after raw material DAOAF and dimethyl sulfoxide DMSO ultrasonic dissolution, and DAOAF solution is poured into atomizer；(2) nitrogen pressurization is opened, DAOAF solution is formed into small droplet by atomizer and when non-solvent contacts, DAOAF particle is precipitated in crystallization rapidly under the action of ultrasonic agitation；(3) it will filter, and be dried in vacuo after DAOAF particle stirring ultrasound；(4) DAOAF after recrystallization is carried out to carry out granularity and morphology characterization using laser particle analyzer and scanning electron microscope SEM.The present invention is passed through using injection anti-solvent method fast eliminating solvent, while further being smashed using stirring and ultrasound, is easier to realize the efficient refinement of DAOAF crystal grain.DAOAF will have preferable development prospect with originating in medicine, high energy composite explosives and high-energy solid propellant in Slapper detonator after refinement.
Description
Technical field
The present invention relates to energetic material field, especially 3,3 '-diamino -4,4 '-azoxy furazan explosive crystals
Thinning method.
Background technique
Slapper detonator for nuclear weapon is the ignition tool with high-performance, high safety.Slapper detonator is with originating
Medicine should have the characteristics that sensitivity is lower, service performance is good, detonation threshold value is low, detonation energy is high and thermostability is good.3,3'- diamino
Base -4,4'- azoxy furazan (DAOAF) is Typical Representative substance in furazan class explosive.But DAOAF rubs to insensitiveness is hit
It is insensitive with electrostatic spark.In recent years, both at home and abroad to RDX (ring trimethylene/trintriamine, popular name hexogen), HMX, HNS (six
Nitro late-maturing) and the multicharges such as TATB (- three amido benzene of trinitro-) carry out the control of pattern and granularity.But it there is no both at home and abroad so far
The relevant report controlled about DAOAF pattern and granularity.
Summary of the invention
The technical problem to be solved by the present invention is in order to solve existing DAOAF to shock insensitiveness, friction and electrostatic spark
Insensitive deficiency, the present invention provides a kind of 3,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals,
By further smashing using injection anti-solvent method fast eliminating solvent, while using stirring and ultrasound, it is easier to realize that DAOAF is brilliant
The efficient refinement of body particle.This method is easy to operate, and equipment easily obtains, and the DAOAF of different-grain diameter can be obtained by different operation
Crystal, so that preferably control obtains the crystal of the different-grain diameter of DAOAF.DAOAF after refinement has preferable particle shape, grain
Diameter range is between 500nm to 1 μm.Crystal purity is greater than 99.6%.Meanwhile DAOAF is special as a kind of comprehensive comparison
Energetic material.DAOAF is in Slapper detonator with originate in medicine, high energy composite explosives and high-energy solid propellant will tool after refinement
There is preferable development prospect.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of 3,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals, comprising the following steps:
(1) DAOAF solution will be formed after raw material DAOAF and dimethyl sulfoxide DMSO ultrasonic dissolution, and DAOAF solution is fallen
Enter atomizer；
(2) nitrogen pressurization is opened, DAOAF solution is formed into small droplet by atomizer and when non-solvent contacts, super
DAOAF particle is precipitated in crystallization rapidly under the action of sound stirring；
(3) it will filter, and be dried in vacuo after DAOAF particle stirring ultrasound；
(4) DAOAF after recrystallization is carried out to carry out granularity and shape using laser particle analyzer and scanning electron microscope SEM
Looks characterization.
Specifically, the DAOAF solution concentration is 3%.
Specifically, the atomizer bore is 0.8mm or 1mm or 1.2mm.
Specifically, the nitrogen pressure is 0.4~0.6MPa.
Specifically, the ratio of the DAOAF solution and non-solvent is 1:40.
Specifically, the non-solvent is deionized water.
Specifically, it is 450r/min that speed, which is mixed, in the DAOAF solution and non-solvent.
Specifically, the DAOAF solution and non-solvent mixing time are 45min, and non-solvent temperature is 10 degrees Celsius.
The beneficial effects of the present invention are: the present invention provides a kind of 3,3 '-diamino -4,4 '-azoxy furazan explosives
The thinning method of crystal, by further being smashed using injection anti-solvent method fast eliminating solvent, while using stirring and ultrasound,
It is easier to realize the efficient refinement of DAOAF crystal grain.This method is easy to operate, and equipment easily obtains, and can be obtained by different operation
The DAOAF crystal of different-grain diameter, so that preferably control obtains the crystal of the different-grain diameter of DAOAF.DAOAF after refinement have compared with
Good particle shape, particle size range is in 50nm between 200nm.Crystal purity is greater than 98.5%.Meanwhile DAOAF is as a kind of
The special energetic material of comprehensive comparison.DAOAF is in Slapper detonator with originating medicine, high energy composite explosives and high energy after refinement
There to be preferable development prospect in solid propellant.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is DAOAF feed particles distribution map of the invention；
Fig. 2 is the distribution of particles figure of DAOAF crystal after refinement of the invention；
Fig. 3 is the XRD diagram of DAOAF after refinement of the invention；
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.
Fig. 1 is DAOAF feed particles distribution map of the invention, and Fig. 2 is the particle point of DAOAF crystal after refinement of the invention
Butut, Fig. 3 are the XRD diagram of DAOAF after refinement of the invention.
A kind of 3,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals, comprising the following steps:
(1) DAOAF solution will be formed after raw material DAOAF and dimethyl sulfoxide DMSO ultrasonic dissolution, and DAOAF solution is fallen
Enter atomizer；
(2) nitrogen pressurization is opened, DAOAF solution is formed into small droplet by atomizer and when non-solvent contacts, super
DAOAF particle is precipitated in crystallization rapidly under the action of sound stirring；
(3) it will filter, and be dried in vacuo after DAOAF particle stirring ultrasound；
(4) DAOAF after recrystallization is carried out to carry out granularity and shape using laser particle analyzer and scanning electron microscope SEM
Looks characterization.
The DAOAF solution concentration is 3%.The atomizer bore is 0.8mm or 1mm or 1.2mm.The nitrogen pressure
It is by force 0.4~0.6MPa.The ratio of the DAOAF solution and non-solvent is 1:40.The non-solvent is deionized water.It is described
It is 450r/min that speed, which is mixed, in DAOAF solution and non-solvent.The DAOAF solution is with non-solvent mixing time
45min, non-solvent temperature are 10 degrees Celsius.
Detecting instrument:
1. field emission scanning electron microscope；
2. laser particle analyzer；
3. high performance liquid chromatograph.
Embodiment one:
Raw material DAOAF is dissolved in dimethyl sulfoxide DMSO first, it is super according to the ratio of DAOAF (g) 3:DMSO (ml) 11
Sound is until be completely dissolved into DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 0.8mm.
Then it opens nitrogen to pressurize, pressure value 0.6MPa makes DAOAF solution form small droplet by atomizer
Contacted with non-solvent deionized water, rapidly crystallization be precipitated DAOAF particle, while ultrasound and with the mixing speed of 450r/min stirring
45min.Last filtering vacuum is dry.Laser particle analyzer and SEM is recycled to carry out granularity and pattern table to the DAOAF after recrystallization
Sign.
Embodiment two:
It raw material DAOAF and will be dissolved in dimethyl sulfoxide DMSO first, extremely according to the stirring of DAOAF (g) 3:DMSO (ml) 11
It is completely dissolved into DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 1mm.
Then open nitrogen pressurize, pressure value 0.6MPa, make DAOAF solution by atomizer formed droplet with
Deionized water contact, ultrasound simultaneously stir 45min with the mixing speed of 450r/min.Finally DAOAF particle and drying is precipitated in crystallization.
The advanced instrument and equipments such as scanning electron microscope, laser particle size analysis are recycled to be analyzed and characterized.
Embodiment two:
It raw material DAOAF and will be dissolved in dimethyl sulfoxide DMSO first, extremely according to the stirring of DAOAF (g) 3:DMSO (ml) 11
It is completely dissolved into DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 1.2mm.
Then open nitrogen pressurize, pressure value 0.6MPa, make DAOAF solution by atomizer formed droplet with
Deionized water contact, ultrasound simultaneously stir 45min with the mixing speed of 450r/min.Finally DAOAF particle and drying is precipitated in crystallization.
The advanced instrument and equipments such as scanning electron microscope, laser particle size analysis are recycled to be analyzed and characterized.
Example IV:
It raw material DAOAF and will be dissolved in dimethyl sulfoxide DMSO first, extremely according to the stirring of DAOAF (g) 3:DMSO (ml) 11
It is completely dissolved into DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 0.8mm.
Then open nitrogen pressurize, pressure value 0.4MPa, make DAOAF solution by atomizer formed droplet with
Deionized water contact, ultrasound simultaneously stir 45min with the mixing speed of 450r/min.Finally DAOAF particle and drying is precipitated in crystallization.
The advanced instrument and equipments such as scanning electron microscope, laser particle size analysis are recycled to be analyzed and characterized.
Embodiment five:
It raw material DAOAF and will be dissolved in dimethyl sulfoxide DMSO first, extremely according to the stirring of DAOAF (g) 3:DMSO (ml) 11
It is completely dissolved into DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 1mm.
Then open nitrogen pressurize, pressure value 0.4MPa, make DAOAF solution by atomizer formed droplet with
Deionized water contact, ultrasound simultaneously stir 45min with the mixing speed of 450r/min.Finally DAOAF particle and drying is precipitated in crystallization.
The advanced instrument and equipments such as scanning electron microscope, laser particle size analysis are recycled to be analyzed and characterized.
Embodiment six:
It raw material DAOAF and will be dissolved in dimethyl sulfoxide DMSO first, extremely according to the stirring of DAOAF (g) 3:DMSO (ml) 11
It is completely dissolved into DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 1.2mm.
Then open nitrogen pressurize, pressure value 0.6MPa, make DAOAF solution by atomizer formed droplet with
Deionized water contact, ultrasound simultaneously stir 45min with the mixing speed of 450r/min.Finally DAOAF particle and drying is precipitated in crystallization.
The advanced instrument and equipments such as scanning electron microscope, laser particle size analysis are recycled to be analyzed and characterized.
Embodiment seven:
It raw material DAOAF and will be dissolved in dimethyl sulfoxide DMSO first, extremely according to the stirring of DAOAF (g) 3:DMSO (ml) 11
It is completely dissolved into DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 0.8mm.
Then open nitrogen pressurize, pressure value 0.6MPa, make DAOAF solution by atomizer formed droplet with
Deionized water contact stirs 45min without using the mode of ultrasound with the mixing speed of 450r/min.Finally DAOAF is precipitated in crystallization
Particle and drying.The advanced instrument and equipments such as scanning electron microscope, laser particle size analysis are recycled to be analyzed and characterized.
Embodiment eight:
It is formed after DAOAF and DMSO is carried out ultrasonic dissolution according to the ratio of DAOAF (g) 3:DMSO (ml) 11 first
DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 0.8mm.
Then open nitrogen pressurize, pressure value 0.6MPa, make DAOAF solution by atomizer formed droplet with
Deionized water contact, only ultrasound does not stir and finally crystallizes precipitation DAOAF particle and drying.Recycle scanning electron microscope, laser particle size
The advanced instrument and equipments such as analysis are analyzed and characterized.
Embodiment nine:
It is formed after DAOAF and DMSO is carried out ultrasonic dissolution according to the ratio of DAOAF (g) 3:DMSO (ml) 11 first
DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 0.8mm.
Then open nitrogen pressurize, pressure value 0.6MPa, make DAOAF solution by atomizer formed droplet with
Deionized water contact, ultrasound simultaneously finally crystallize precipitation DAOAF particle and drying with the mixing speed of 50r/min stirring 45min..
The advanced instrument and equipments such as scanning electron microscope, laser particle size analysis are recycled to be analyzed and characterized.
Embodiment ten:
It is formed after DAOAF and DMSO is carried out ultrasonic dissolution according to the ratio of DAOAF (g) 3:DMSO (ml) 11 first
DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 0.8mm.
Then open nitrogen pressurize, pressure value 0.6MPa, make DAOAF solution by atomizer formed droplet with
Deionized water contact, ultrasound simultaneously finally crystallize precipitation DAOAF particle and drying with the mixing speed of 200r/min stirring 45min..
The advanced instrument and equipments such as scanning electron microscope, laser particle size analysis are recycled to be analyzed and characterized.
Embodiment 11:
It is formed after DAOAF and DMSO is carried out ultrasonic dissolution according to the ratio of DAOAF (g) 3:DMSO (ml) 11 first
DAOAF solution, and DAOAF solution is poured into the atomizer that diameter is 0.8mm.
Then open nitrogen pressurize, pressure value 0.6MPa, make DAOAF solution by atomizer formed droplet with
Deionized water contact, ultrasound simultaneously finally crystallize precipitation DAOAF particle and drying with the mixing speed of 450r/min stirring 10min..
The advanced instrument and equipments such as scanning electron microscope, laser particle size analysis are recycled to be analyzed and characterized.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
The shape appearance figure and DAOAF raw material phase of DAOAF crystal grain after refinement are made using the method for embodiment 1 by the present invention
Than.Raw material DAOAF crystal grain size distribution is uneven and the equal disunity of form, the crystal morphology of the DAOAF after refinement have occurred
It is apparent to change.By anti-solvent method DAOAF is recrystallized first, while being beaten by crystal under the action of ultrasound and stirring
Broken, formation particle is uniformly dispersed and the preferable crystal grain of form.
In conjunction with shown in attached drawing 1 and attached drawing 2, respectively raw material DAOAF and refinement after DAOAF crystal distribution of particles figure.From
It can be seen that raw material DAOAF granule crystal size is larger in figure, average grain diameter is about for 182.528nm or so.And it uses and implements
The partial size that method in example 1 obtains after refining DAOAF obviously becomes smaller, and average grain diameter is about for 108.213nm or so.
Attached drawing 2 and attached drawing 3 respectively indicate the XRD diagram of DAOAF after raw material DAOAF and refinement.As can be seen from the figure it refines
Front and back crystalline form is consistent.
The chemical purity of refinement front and back DAOAF crystal is analyzed using the method for high performance liquid chromatography, respectively
97.74% and 97.35%.Illustrate that still there is high chemical purity using the DAOAF crystal of this method refinement.It can satisfy use
It is required that.
Claims (8)
1. 3,3 '-diamino -4 of one kind, the thinning method of 4 '-azoxy furazan explosive crystals, which is characterized in that including with
Lower step:
(1) DAOAF solution will be formed after raw material DAOAF and dimethyl sulfoxide DMSO ultrasonic dissolution, and DAOAF solution is poured into mist
Change spray head；
(2) nitrogen pressurization is opened, DAOAF solution is formed into small droplet by atomizer and when non-solvent contacts, is stirred in ultrasound
DAOAF particle is precipitated in crystallization rapidly under the action of mixing；
(3) it will filter, and be dried in vacuo after DAOAF particle stirring ultrasound；
(4) DAOAF after recrystallization is carried out to carry out granularity and pattern table using laser particle analyzer and scanning electron microscope SEM
Sign.
2. according to claim 13,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals,
Be characterized in that: the concentration of the DAOAF solution is 3%.
3. according to claim 13,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals,
Be characterized in that: the atomizer bore is 0.8mm or 1mm or 1.2mm.
4. according to claim 13,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals,
Be characterized in that: the nitrogen pressure is 0.4 ~ 0.6MPa.
5. according to claim 13,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals,
Be characterized in that: the ratio of the DAOAF solution and non-solvent is 1:40.
6. 3,3 '-diamino -4 according to claim 1 or 5, the thinning method of 4 '-azoxy furazan explosive crystals,
It is characterized by: the non-solvent is deionized water.
7. according to claim 13,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals,
Be characterized in that: speed is mixed as 450r/min in the DAOAF solution and non-solvent.
8. according to claim 13,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals,
Be characterized in that: the DAOAF solution is 45min with non-solvent mixing time, and non-solvent temperature is 10 degrees Celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062528.6A CN108976176A (en) | 2018-09-12 | 2018-09-12 | 3,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062528.6A CN108976176A (en) | 2018-09-12 | 2018-09-12 | 3,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108976176A true CN108976176A (en) | 2018-12-11 |
Family
ID=64546120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811062528.6A Pending CN108976176A (en) | 2018-09-12 | 2018-09-12 | 3,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108976176A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109776444A (en) * | 2019-03-11 | 2019-05-21 | 中国工程物理研究院化工材料研究所 | Method based on natural subsidence process preparation high dispersive DAAF nano-powder |
| CN110172044A (en) * | 2019-06-19 | 2019-08-27 | 中国工程物理研究院化工材料研究所 | One kind 3,3 '-diamino -4,4 '-azoxy furazan multistage geode and preparation method thereof |
| CN110194710A (en) * | 2019-06-19 | 2019-09-03 | 中国工程物理研究院化工材料研究所 | One kind 3,3 '-diamino -4,4 '-azoxy furazan spherical shell structure explosive and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6358339B1 (en) * | 2000-04-28 | 2002-03-19 | The Regents Of The University Of California | Use of 3,3'-diamino-4,4'-azoxyfurazan and 3,3'-diamino-4,4'-azofurazan as insensitive high explosive materials |
| US20090306355A1 (en) * | 2008-06-04 | 2009-12-10 | The Regents Of The University Of California | Preparation of 3,3'-diamino-4,4'-azoxyfurazan, 3,3'-4,4'-azofurazan, and pressed articles |
| CN105418534A (en) * | 2015-11-12 | 2016-03-23 | 中国工程物理研究院化工材料研究所 | Azo-furazan compound and preparing method thereof |
| CN106748584A (en) * | 2016-11-29 | 2017-05-31 | 西南科技大学 | The method that emulsion method prepares spheroidization organic molecule monomer or compound |
-
2018
- 2018-09-12 CN CN201811062528.6A patent/CN108976176A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6358339B1 (en) * | 2000-04-28 | 2002-03-19 | The Regents Of The University Of California | Use of 3,3'-diamino-4,4'-azoxyfurazan and 3,3'-diamino-4,4'-azofurazan as insensitive high explosive materials |
| US20090306355A1 (en) * | 2008-06-04 | 2009-12-10 | The Regents Of The University Of California | Preparation of 3,3'-diamino-4,4'-azoxyfurazan, 3,3'-4,4'-azofurazan, and pressed articles |
| CN105418534A (en) * | 2015-11-12 | 2016-03-23 | 中国工程物理研究院化工材料研究所 | Azo-furazan compound and preparing method thereof |
| CN106748584A (en) * | 2016-11-29 | 2017-05-31 | 西南科技大学 | The method that emulsion method prepares spheroidization organic molecule monomer or compound |
Non-Patent Citations (3)
| Title |
|---|
| YU MA，等: "Crystal Packing of Low-Sensitivity and High-Energy Explosives", 《CRYSTAL GROWTH & DESIGN》 * |
| 何乃珍: "炸药标准物质候选物DAAF和DAOAF的研制与定值", 《中国优秀博硕士学位论文全文数据库(硕士) 工程科技Ⅰ辑》 * |
| 王晶禹，等: "喷雾结晶法制备高堆积密度球形硝基胍", 《含能材料》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109776444A (en) * | 2019-03-11 | 2019-05-21 | 中国工程物理研究院化工材料研究所 | Method based on natural subsidence process preparation high dispersive DAAF nano-powder |
| CN110172044A (en) * | 2019-06-19 | 2019-08-27 | 中国工程物理研究院化工材料研究所 | One kind 3,3 '-diamino -4,4 '-azoxy furazan multistage geode and preparation method thereof |
| CN110194710A (en) * | 2019-06-19 | 2019-09-03 | 中国工程物理研究院化工材料研究所 | One kind 3,3 '-diamino -4,4 '-azoxy furazan spherical shell structure explosive and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108976176A (en) | 3,3 '-diamino -4, the thinning method of 4 '-azoxy furazan explosive crystals | |
| Qiu et al. | RDX-based nanocomposite microparticles for significantly reduced shock sensitivity | |
| Zhang et al. | Preparation and Properties of Submicrometer‐Sized LLM‐105 via Spray‐Crystallization Method | |
| Zhang et al. | Recent advances on the crystallization engineering of energetic materials | |
| CN106563399B (en) | A kind of method that supercritical fluid prepares " shell-core " structure nano microcapsules | |
| CN103012299B (en) | HMX preparation method based on DMSO/H20 (Dimethyl Sulfoxide/H2O) binary system | |
| CN104193564A (en) | Fine-particle high-energy low-sensitivity explosive compound and preparation method thereof | |
| Teipel et al. | Formation of energetic materials using supercritical fluids | |
| CN103554524B (en) | Ultrafine dispersion method for single-compound explosive in energetic composite material | |
| CN107353174A (en) | A kind of high stability photoface exploision emulsion and preparation method thereof | |
| CN105253857A (en) | Method for preparing micro-ammonium perchlorate | |
| US8936689B1 (en) | Insensitive explosives and process therefore | |
| CN103201212B (en) | By emulsifying while emulsion and the method for detonation continuous synthesis nano material | |
| JPS6028796B2 (en) | Method for producing water-in-oil emulsion explosives | |
| CN106518883B (en) | Six azepine isoamyl of nanometer ε crystal form hexanitro hereby alkane explosive and its batch preparation | |
| CN112299931A (en) | Preparation method of multi-scale spherical FOX-7 explosive particles | |
| Pessina et al. | The longstanding challenge of the nanocrystallization of 1, 3, 5-trinitroperhydro-1, 3, 5-triazine (RDX) | |
| CN102010276B (en) | Process for preparing microspherical and desensitized HMX through pneumatic spray refining | |
| CN101844955A (en) | Method for sensitizing microporous smokeless firework explosive | |
| US9701592B1 (en) | Single-step production method for nano-sized energetic cocrystals by bead milling and products thereof | |
| RU2607206C2 (en) | Method of producing plastic explosive compound | |
| US9682895B1 (en) | Bead milled spray dried nano-explosives | |
| CN110172044B (en) | 3,3 '-diamino-4, 4' -azoxyfurazan multilevel crystal ball and preparation method thereof | |
| CN106397076A (en) | Explosive with both high activity and process stability and preparation method thereof | |
| CN107353175A (en) | A kind of preparation method of CL 20/GAP Nanocomposite Energetic Materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190729 Address after: 621010 No. 59, Middle Section of Qinglong Avenue, Fucheng District, Mianyang City, Sichuan Province Applicant after: Southwest University of Science and Technology Applicant after: INSTITUTE OF CHEMICAL MATERIALS OF CHINA ACADEMY OF ENGINEERING AND PHYSICS Address before: 621010 Sichuan, Fucheng, Qinglong District, Mianyang Road, No. 59 Applicant before: Southwest University of Science and Technology |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
|
| RJ01 | Rejection of invention patent application after publication |