CN106278772B - Explosive simulant and preparation method thereof - Google Patents
Explosive simulant and preparation method thereof Download PDFInfo
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- CN106278772B CN106278772B CN201610600518.8A CN201610600518A CN106278772B CN 106278772 B CN106278772 B CN 106278772B CN 201610600518 A CN201610600518 A CN 201610600518A CN 106278772 B CN106278772 B CN 106278772B
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- 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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Abstract
The invention discloses a kind of explosive simulant and preparation method thereof, explosive simulant is made up of following components in parts by weight：SiO2：30~75 parts；ZnO：0~35 part；PVC：0~40 part；Binding agent：14~16 parts；Plasticizer：11~13 parts；1~2 part of curing agent；Pigment：0.2 part.The present invention passes through SiO2, tri- kinds of components of PVC and ZnO proportioning come to regulate and control the density of explosive simulant be 1.3~1.8g/cm3, for loading the puttylike PBX explosives simulation of small size microchannel.The present invention selects SiO2, tri- kinds of components of PVC and ZnO as solid phase filler, instead of traditional simulation composition formula using barium nitrate as solid phase filler, and pigment is used as from composite titanium is red, material safety and environmental protection used is environmentally friendly to human body fanout free region.
Description
Technical field
The invention belongs to energetic material field, and in particular to a kind of explosive simulant and preparation method thereof.
Background technology
Explosive simulant is the special explosive formulation of no explosion equivalent, by the substitute and binding agent body that serve as main body explosive
System's composition, its mechanical property, physicochemical property, charge process performance etc. are suitable with true explosive formulation, but the danger without explosive,
Compare insensitiveness, be used to simulate assembling, trafficking experiments, environmental test, the experiment of mould dress, exhibition model etc., can solve true fried
The problem of medicine safety and cost.Contain a certain amount of pigment in explosive substitute material formula, people are with the unique identification mould of this energy
Intend explosive classification, and distinguished with true explosive formulation.
The explosive simulant formula of the present invention can not only be applied to the explosive simulation of different densities requirement, and selected materials are to people
Body nonhazardous, traditional simulation composition formula using barium nitrate as main solid phase filler is may replace, environmental pollution will not be caused, safety
Environmental protection, there is wider application.
The content of the invention
It is an object of the invention to provide a kind of density in 1.3~1.8g/cm3In the range of adjustable explosive simulant and
Its preparation method, the explosive simulant can load the puttylike PBX explosives of small size microchannel.
In order to reach above-mentioned technique effect, the present invention takes following technical scheme：
A kind of explosive simulant, is made up of following components in parts by weight：
SiO2：30~75 parts；
ZnO：0~35 part；
PVC：0~40 part；
Binding agent：14~16 parts；
Plasticizer：11~13 parts；
Curing agent：1~2 part；
Pigment：0.2 part；ZnO and PVC content is not all 0.
According to a particular embodiment of the invention, in order to obtain highdensity explosive simulant, described explosive simulant, by
Following components in parts by weight forms：
SiO2, 40 parts；
ZnO, 30 parts；
Binding agent：15.8 parts；
Plasticizer：12.5 parts；
Curing agent：1.5 part；
Pigment：0.2 part.According to a particular embodiment of the invention, in order to obtain the explosive simulant of low-density, described is fried
Medicine analogies, are made up of following components in parts by weight：
SiO2, 42 parts；
PVC, 30 parts；
Binding agent：14.9 parts；
Plasticizer：11.9 parts；
Curing agent：1 part；
Pigment：0.2 part.
According to a particular embodiment of the invention, in order to obtain the explosive simulant of low-density, described explosive simulant, by
Following components in parts by weight forms：
SiO2, 62.5 parts；
PVC, 7.5 parts；
HTPB, 15.7 parts；
Plasticizer：12.4 parts；
Curing agent：1.7 part；
Pigment：0.2 part.
Further technical scheme is described SiO2Particle diameter be 5~20 μm.
Further technical scheme is that described PVC average grain diameter is 30~50 μm.
Further technical scheme is that described ZnO particle diameter is 0.3~0.7 μm, and described ZnO is the side of nanoscale six
Wurtzite structure.
Further technical scheme is that described binding agent is end hydroxy butadiene HTPB.
Further technical scheme is that described plasticizer is di-n-octyl sebacate DOS.
Further technical scheme is that described curing agent is benzhydryl vulcabond MDI.
Explosive simulant according to claim 1, it is characterised in that described pigment is that composite titanium is red.
Present invention also offers the preparation method of described explosive simulant, comprise the following steps：
Step A：Material slightly mixes：Mediated using normal temperature and pressure segmented：Inventory is less than 600g, mediates totally 15~30min,
10~20r/min of rotating speed；First paragraph is mediated：5~10min is mediated with 10~15r/min, scraping cleaning blade is then shut down and pinches
Pot wall material is closed, and bulky grain group is pulverized, the bottom of a pan material is carried out loose；Second segment mediate, adjustment blade direction of rotation with
First paragraph mediates 5~10min on the contrary, 15~20r/min of rotating speed, shuts down scraping, and method is identical with first paragraph；3rd section of kneading,
Blade direction of rotation is adjusted again with second segment on the contrary, 15~20r/min of rotating speed, mediates 5~10min；
Step B：Material essence is mixed：Carried out using mixing roll lapping mode, keep mixing roll 10~15r/min of linear velocity, will
Material input feed roller is mediated, material is out calculated as one time from discharge roller, is co-mulled and made into 15~25 times, is in puttylike during discharging；
Step C：Manual powder charge：By material of the essence after mixed through beating repeatedly, rubbing reality, material filling is entered by mould using cutter
Or in network initiation device, the residual explosive beyond cleaning powder charge position, it is allowed to basically reach size of powder charge and appearance requirement；
Step D：Modification by hand：Opponent's frock medicine part carries out the laggard horizontal high voltage compacting of surfacecti proteon, is taken out after completing compacting
Powder charge part, its surface is further cleared up, fine defects are repaired, ensure presentation quality；
Step E：It is heating and curing：The mould completed will be modified or network initiation device is put into 60~70 DEG C of baking oven and solidifies 60
~80h, produce explosive simulant powder charge part.
In above-mentioned preparation method, the pressure of described high pressure compacting is 80MPa~100MPa.
The present invention is further explained below.
In the explosive simulant of the present invention, SiO2As the main solid phase filler in explosive simulant, SiO2Particle diameter be
5~20 μm, sphericity is higher.
In the explosive simulant of the present invention, the solid phase filler of PVC low-density fractions in asing, its average grain diameter for 30~
50μm.It is about 1.3~1.5g/cm when needing low-density formula3When, PVC components can be added.
In the explosive simulant of the present invention, solid phase fillers of the ZnO as middle-high density component, its particle diameter is 0.3~0.7
μm.When needing to be formulated density about 1.5~1.8g/cm3When, ZnO components can be added.
In a preferred embodiment of the invention, described binding agent is end hydroxy butadiene HTPB, is simulated for adjusting
The mechanical property of composition formula.
In the explosive simulant of the present invention, density is by SiO2, tri- kinds of components of PVC and ZnO ratio be adjusted.Example
Such as, it is 1.3g/cm to obtain explosive density3Explosive simulant, SiO2, PVC and ZnO weight part ratio be 30：40：0；To obtain
It is 1.8g/cm to obtain explosive density3Explosive simulant, SiO2, PVC and ZnO weight part ratio be 37：0：33.
In the explosive simulant of the present invention, per the SiO of 30-75 parts by weight2Using the binding agent of 14~16 parts by weight, if
The dosage of binding agent is less than 14 parts by weight, then analogies mechanical property is poor, and the material state of analogies is partially dry, the work of powder charge
Skill is bad, if the dosage of binding agent is more than 16 parts by weight, the material state of analogies is partially dilute, and manufacturability is bad, therefore viscous
The dosage for tying agent is that 14~16 parts by weight are suitable.
In the explosive simulant of the present invention, per the SiO of 30-75 parts by weight2Using the plasticizer of 11~13 parts by weight, if
The dosage of plasticizer is less than 11 parts by weight, then the material state of analogies is partially dry, and the manufacturability of powder charge is bad, if the use of plasticizer
Amount is more than 13 parts by weight, then analogies mechanical property is deteriorated, and the material state of analogies is partially dilute, and manufacturability is bad, therefore increases
The dosage for moulding agent is that 11~13 parts by weight are suitable.
In the explosive simulant of the present invention, per the SiO of 30-75 parts by weight2Using the curing agent of 1.7~1.8 parts by weight,
If the dosage of curing agent is less than 1 parts by weight, analogies solidification is slow, and cure cycle extends, and production efficiency is influenceed, if curing agent
Dosage be more than 2 parts by weight, then analogies solidification is slow, does not solidify even, therefore the dosage of curing agent is 1~2 parts by weight.
The present invention compared with prior art, has following beneficial effect：
The present invention passes through SiO2, tri- kinds of components of PVC and ZnO proportioning come regulate and control the density of explosive simulant for 1.3~
1.8g/cm3, for loading the puttylike PBX explosives simulation of small size microchannel.
The present invention selects SiO2, tri- kinds of components of PVC and ZnO as solid phase filler, instead of traditional using barium nitrate is solid
The simulation composition formula of phase filling, and pigment is used as from composite titanium is red, material safety and environmental protection used, to human body fanout free region,
It is environmentally friendly.
Embodiment
With reference to embodiments of the invention, the invention will be further elaborated.
Embodiment 1：
Explosive simulant is made up of following components in parts by weight：
Solid phase filler 1：SiO2, 62.5 parts；
Solid phase filler 2：PVC, 7.5 parts；
Binding agent：HTPB, 15.7 parts；
Plasticizer：DOS, 12.4 parts；
Curing agent：MDI, 1.7 parts；
Pigment：Composite titanium is red, 0.2 part.
The preparation method of explosive simulant is as follows：
(1) dispensing：Weighed according to above-mentioned parts by weight.
(2) material slightly mixes：Normal temperature and pressure is mediated, altogether 15min.Proportioned material is all put into kneading pot, first paragraph
Mediate, 5min is mediated with 10~15r/min, then shut down scraping cleaning blade and mediate pot wall material, and bulky grain is rolled into a ball and ground
It is broken, the bottom of a pan material is carried out loose；Second segment is mediated, and adjustment blade direction of rotation is with first paragraph on the contrary, 15~20r/ of rotating speed
Min, 5min is mediated, shut down scraping, method is identical with first paragraph；3rd section of kneading, adjusts blade direction of rotation and second again
Section mediates 5min on the contrary, rotating speed 20r/min.
(3) material essence is mixed：Mixing roll 10~15r/min of linear velocity is kept, will mediate and expect input feed roller, material is from discharging
Roller is out calculated as one time, is co-mulled and made into 15~25 times, is in puttylike during discharging.
(4) manual powder charge：By material of the essence after mixed through beating repeatedly, rubbing reality, using cutter by material filling enter mould or
In network initiation device, the residual explosive beyond cleaning powder charge position, it is allowed to basically reach size of powder charge and appearance requirement.
(5) modification by hand：Opponent's frock medicine part carries out the laggard horizontal high voltage compacting of surfacecti proteon, and powder charge is taken out after completing compacting
Part, its surface is further cleared up, fine defects are repaired, ensure presentation quality.
(6) it is heating and curing：To modify the mould completed or network initiation device be put into 60~70 DEG C of baking oven solidification 60~
80h, produce explosive simulant powder charge part.
The explosive simulant powder charge part specific performance index for preparing gained is as follows：
A. compatibility：Each component is compatible；
B. density：1.51g/cm3；
C. tensile strength：3.03MPa.
Embodiment 2：
Explosive simulant is made up of following components in parts by weight：
Solid phase filler 1：SiO2, 40 parts；
Solid phase filler 2：ZnO, 30 parts；
Binding agent：HTPB, 15.8 parts；
Plasticizer：DOS, 12.5 parts；
Curing agent：MDI, 1.5 parts；
Pigment：Composite titanium is red, 0.2 part.
The preparation method of the explosive simulant of the implementation case is the same as embodiment 1.
The explosive simulant powder charge part specific performance index for preparing gained is as follows：
A. compatibility：Each component is compatible；
B. density：1.77g/cm3；
C. tensile strength：2.20MPa.
Embodiment 3：
Explosive simulant is made up of following components in parts by weight：
【Change a kind of low-density typical case】
Solid phase filler 1：SiO2, 42 parts；
Solid phase filler 2：PVC, 30 parts；
Binding agent：HTPB, 14.9 parts；
Plasticizer：DOS, 11.9 parts；
Curing agent：MDI, 1 part；
Pigment：Composite titanium is red, 0.2 part.
The preparation method of the explosive simulant of the implementation case is the same as embodiment 1.
The explosive simulant powder charge part specific performance index for preparing gained is as follows：
A. compatibility：Each component is compatible；
B. density：1.36g/cm3；
C. tensile strength：1.90MPa.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair
Bright preferable 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 (10)
1. a kind of explosive simulant, it is characterised in that be made up of following components in parts by weight：
SiO2：30~75 parts；
ZnO：0~35 part；
PVC：0~40 part；
Binding agent：14~16 parts；
Plasticizer：11~13 parts；
Curing agent：1~2 part；
Pigment：0.2 part；ZnO and PVC content is not all 0；The density of the explosive simulant is 1.3~1.8g/cm3。
2. explosive simulant according to claim 1, it is characterised in that described SiO2Particle diameter be 5~20 μm.
3. explosive simulant according to claim 1, it is characterised in that described PVC average grain diameter is 30~50 μm.
4. explosive simulant according to claim 1, it is characterised in that described ZnO particle diameter is 0.3~0.7 μm, institute
The ZnO stated is nanoscale hexagonal wurtzite structure.
5. explosive simulant according to claim 1, it is characterised in that described binding agent is end hydroxy butadiene.
6. explosive simulant according to claim 1, it is characterised in that described plasticizer is di-n-octyl sebacate.
7. explosive simulant according to claim 1, it is characterised in that described curing agent is the isocyanic acid of benzhydryl two
Ester.
8. explosive simulant according to claim 1, it is characterised in that described pigment is that composite titanium is red.
9. the preparation method of the explosive simulant described in any one of claim 1~8, it is characterised in that comprise the following steps：
Step A：Material slightly mixes：Mediated using normal temperature and pressure segmented：Inventory is less than 600g, mediates totally 15~30min, rotating speed
10~20r/min；First paragraph is mediated：5~10min is mediated with 10~15r/min, then shuts down scraping cleaning blade and kneading pot
Wall material, and bulky grain group is pulverized, the bottom of a pan material is carried out loose；Second segment is mediated, adjustment blade direction of rotation and first
Section mediates 5~10min on the contrary, 15~20r/min of rotating speed, shuts down scraping, clears up blade and mediates pot wall material, and by big
Grain group pulverizes, and the bottom of a pan material is carried out loose；3rd section of kneading, blade direction of rotation is adjusted again with second segment on the contrary, rotating speed
15~20r/min, mediate 5~10min；
Step B：Material essence is mixed：Carried out using mixing roll lapping mode, keep mixing roll 10~15r/min of linear velocity, will mediate
Material input feed roller, material are out calculated as one time from discharge roller, are co-mulled and made into 15~25 times, are in puttylike during discharging；
Step C：Manual powder charge：By material of the essence after mixed through beating repeatedly, rubbing reality, material filling is entered by mould or net using cutter
In lattice initiator, the residual explosive beyond cleaning powder charge position, it is allowed to basically reach size of powder charge and appearance requirement；
Step D：Modification by hand：Opponent's frock medicine part carries out the laggard horizontal high voltage compacting of surfacecti proteon, and powder charge is taken out after completing compacting
Part, its surface is further cleared up, fine defects are repaired, ensure presentation quality；
Step E：It is heating and curing：To modify the mould completed or network initiation device be put into 60~70 DEG C of baking oven solidification 60~
80h, produce explosive simulant powder charge part.
10. the preparation method of explosive simulant according to claim 9, it is characterised in that the pressure of described high pressure compacting
For 80MPa~100MPa.
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| CN107118483B (en) * | 2017-06-23 | 2019-01-15 | 中国工程物理研究院化工材料研究所 | High-intensity high-density HTPB and preparation method thereof |
| CN111023917A (en) * | 2019-11-29 | 2020-04-17 | 西安近代化学研究所 | Simulation material for PBX explosive and preparation process thereof |
| CN111454486A (en) * | 2020-04-10 | 2020-07-28 | 西安近代化学研究所 | Inert demolding material |
| CN112048188B (en) * | 2020-08-17 | 2022-03-29 | 西安近代化学研究所 | Simulation material for fusion cast explosive process test |
| CN115477566B (en) * | 2022-08-24 | 2023-11-10 | 西安近代化学研究所 | Simulated explosive for third-generation high-solid-content explosive extrusion molding process |
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| US3457329A (en) * | 1968-02-21 | 1969-07-22 | Us Navy | Inert simulant composition for a plastic bonded explosive |
| US8444881B2 (en) * | 2007-08-14 | 2013-05-21 | David O.B.A. Adebimpe | Methods for making scent simulants of chemical explosives, and compositions thereof |
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