CN102816031B - Triethylene glycol dinitrate full-simulation explosive mimics - Google Patents
Triethylene glycol dinitrate full-simulation explosive mimics Download PDFInfo
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- CN102816031B CN102816031B CN201210334988.6A CN201210334988A CN102816031B CN 102816031 B CN102816031 B CN 102816031B CN 201210334988 A CN201210334988 A CN 201210334988A CN 102816031 B CN102816031 B CN 102816031B
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- triethylene glycol
- glycol dinitrate
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Abstract
The invention relates to triethylene glycol dinitrate full-simulation explosive mimics and belongs to the technical field of energetic materials and simulation. The invention provides the full-simulation mimics which are used for solving the problem that a triethylene glycol dinitrate dangerous material object is extremely dangerous when being directly used as a reference object to be identified by a security check instrument, and have the same appearance, color, matter state, density, chemical elementary composition and the like. The two formulae of the triethylene glycol dinitrate full-simulation explosive mimics are as follow: formula 1: the mimics are prepared from formic acid and malonamide according to the molar ratio of 3:1; and formula 2: the mimics are prepared from lactic acid and oxalic acid according to the molecular ratio of 1:1. The triethylene glycol dinitrate full-simulation explosive mimics can substitute for a triethylene glycol dinitrate simulation explosive to be used for correction of the security check instrument and other instruments, so potential safety hazards are avoided.
Description
Technical field
The present invention relates to the full simulation explosive simulant of triethylene glycol dinitrate, belong to energetic material and imitation technology field.
Background technology
Along with terror upgrading, anti-terrorism strength is constantly strengthened, and trial of strength that is terrified and antiterrorism also will continue for some time.Airport, station, harbour and crowd concentrate the place of comparatively dense and important place to be the objects of terrorist attacks always.Thus various countries strengthen all should carrying out safety inspection to the luggage in various different path and the belongings of personnel.Whether safety check instrument recognition material is before Explosive hazardous material, needs corresponding reference.Under normal circumstances, Explosive hazardous material is in kind unsuitable directly as object of reference, mainly due to phobia at heart to explosive of the insecurity of Explosive hazardous material and people.Especially on airport, station, the safety check place such as harbour, to the periodic check of safety check instrument or demarcate more outstanding.
Triethylene glycol dinitrate is a kind of colourless liquid, and explosive extremely strong and unusual unstable, slightly rubs and very easily blast, at the timing of safety check instrument, adopt true explosive to carry out verifying or demarcating to have high danger.
Using stand-in as the sample judging Explosive hazardous material, Explosive hazardous material can be distinguished from aspect emulation such as outward appearance, color, states of matter, density, chemical element compositions, global security staff and public security system personnel can be helped to a certain extent to reduce verification or demarcation Explosive hazardous material under the constraints such as dangerous instability as far as possible.
Although the stand-in of some liquid explosive have also been prepared by the U.S., Britain and Israel, the aspects such as its outward appearance, form and density are close with true thing, ordination number aspect is also close with true explosive, but elementary composition, the aspect such as element percentage content and color is different from true explosive, what can not reach full emulation should be effective, x ray level emulation can only be called, affect the accuracy of safety check instrument recognition material.But up to the present, do not retrieve triethylene glycol dinitrate stand-in and related data thereof.
Summary of the invention
The object of the invention is to solve using triethylene glycol dinitrate hazardous substance in kind directly as the object of reference of safety check instrument identification, there is high danger, and the full analogue simulation thing with triethylene glycol dinitrate with aspects such as identical appearance, color, states of matter, density, chemical element compositions is provided, while guarantee safety check instrument recognition material accuracy, turn avoid and adopt the danger as object of reference in kind.
Mentality of designing of the present invention is: foundation triethylene glycol dinitrate is elementary composition by CHON tetra-kinds, and molecular formula is C
6h
12n
2o
8, the percentage composition of each element is: C 30.01%, H 5.04%, O 53.29%, N 11.66%; Stand-in element percentage composition for preparation is identical, molecular formula is identical with relative molecular mass, first structure is designed, according to the molecular formula of triethylene glycol dinitrate, the present invention adopts smallest common multiple method, the smallest molecule therefrom finding out stable existence in conjunction with method for splitting and factorization is assembled, and make every effort to stand-in at element percentage composition, color appearance, the aspects such as density are consistent with true explosive.
1, elementary composition and characteristic is determined
Consider according to the element formed in triethylene glycol dinitrate molecule and elementary composition percentage composition, take into full account element percentage composition, ordination number, density, the factors such as color appearance, that triethylene glycol dinitrate is carried out split or by triethylene glycol dinitrate molecular formula and elementary composition expansion n (n=1,2,1/2,2/3) doubly, then split compound is elementary composition, select the mixed in theory composition of micromolecular compound, the element percentage composition of its mixture is identical with triethylene glycol dinitrate.
2, simulation composition is solved with ordination number
Calculate the composition of triethylene glycol dinitrate and ordination number according to formula method, as calculated, only have elementary composition percentage composition more close, ordination number could coincide, just more accurate with explosive triethylene glycol dinitrate molecule.
Wherein a
i=m
iz
i/ A
i, A
ithe atomic wts of element i, Z
iordination number, m
iit is virtual mass.
3, accurate measurement, premix and assembling stand-in.
It not simple mixing in process for preparation, if solid matter mixes mutually or solid-liquid mixing, then to fusing point by a part of heating materials, it is made to melt rear and other component obtained pre-composite A in advance, again the third material is added after complete dispersing and mixing is even, assemble under high-speed stirring and Elevated Temperature Conditions, some materials are then by dispersion, solve intermiscibility, organic element parcel water molecules (when mainly referring to trace water content) should be obtained as moisture, stand-in are made to have excellent intermiscibility, do not present demixing phenomenon and obtain corresponding explosive simulant.If liquid mixes mutually, direct two kinds of liquid are mutual misciblely to be assembled.
The object of the invention is to be achieved through the following technical solutions:
Two kinds of formulas of the full simulation explosive simulant of triethylene glycol dinitrate of the present invention are as follows:
Formula 1: these stand-in are prepared from according to mol ratio 3: 1 by formic acid, Malonamide;
Formula 2: these stand-in are prepared from according to mol ratio 1: 1 by lactic acid, urea oxalate.
Wherein, to adopt formula 1 to prepare the concrete preparation process of these stand-in as follows in the present invention:
Taking formic acid and Malonamide according to the proportionlity of formula 1, is be warming up to 50 DEG C under the condition of 600r/min by formic acid low whipping speed; Keep 50 DEG C of constant temperature and under the agitation condition of 600r/min, add Malonamide with the speed of 20g/min, being stirred to solid matter and dissolving completely; Adjustment stirring velocity is 800r/min, continues to be uniformly mixed 180min, is cooled to discharging after normal temperature, obtains triethylene glycol dinitrate liquid explosive stand-in.
It is as follows that the present invention adopts formula 2 to prepare the concrete preparation process of these stand-in:
Taking lactic acid and urea oxalate according to the proportionlity of formula 2, is be warming up to 50 DEG C under the condition of 800r/min by lactic acid low whipping speed; Keep 50 DEG C of constant temperature and under the agitation condition of 800r/min, add urea oxalate with the speed of 20g/min, continue after adding to stir 30min, solid matter is dissolved completely, cooling, discharging, obtains triethylene glycol dinitrate liquid explosive stand-in.
Beneficial effect
Triethylene glycol dinitrate stand-in of the present invention, not only substantially identical in color, outward appearance, density, and the aspect such as ordination number, elementary composition, element percentage composition all fits like a glove with true explosive, but its molecular structure and true explosive have the different of essence, do not blast.Thus avoid the danger that public place uses true explosive to bring, the correction that explosive carries out the instruments such as safety check instrument can be substituted, decrease some unsafe factors in use procedure, and can reuse, significant to the correction of instrument etc., and can be used for sample of imparting knowledge to students.
Embodiment
Below in conjunction with embodiment, content of the present invention is further described.
Embodiment 1
The clean Erlenmeyer flask of 500ml, putting into magneton in order to stirring, adding the formic acid 138.09g of accurate measurement, open and stir, adjustment stirring velocity 600r/min, is warming up to 50 DEG C, adds Malonamide 102.09g with the speed of 20g/min, be stirred to solid matter to dissolve completely, in whole process, reactor temperature controls is 50 DEG C, and adjustment stirring velocity is 800r/min, continues to be uniformly mixed 180min, be cooled to discharging after normal temperature, obtain triethylene glycol dinitrate liquid explosive stand-in.Element percentage composition is after measured: C 29.98%, H 5.12%, O53.40%, N 11.50% error is within ± 2%, and its ordination number is equal with triethylene glycol dinitrate as calculated, compared with true triethylene glycol dinitrate, ordination number is equal, color appearance is identical, and element percentage composition, within limit of error, is fit to triethylene glycol dinitrate.
Embodiment 2
Get the clean Erlenmeyer flask of 500ml, putting into magneton in order to stirring, adding the lactic acid 90g of accurate measurement, open and stir, adjustment stirring velocity 800r/min, be warming up to 50 DEG C, add urea oxalate 150.09g with the speed of 20g/min, continue to stir 30min, solid matter is dissolved completely, cooling, discharging, obtains triethylene glycol dinitrate liquid explosive stand-in.Percentage composition is C 30.25%, H 5.08%, O 53.12%, N11.55% after measured, within error ± 2% scope, compared with true triethylene glycol dinitrate, ordination number is equal, color appearance is identical, and element percentage composition, within limit of error, is fit to triethylene glycol dinitrate.
In each embodiment the element percentage composition of triethylene glycol dinitrate stand-in and density and triethylene glycol dinitrate authentic sample Data Comparison as shown in the table:
Claims (3)
1. the full simulation explosive simulant of triethylene glycol dinitrate, is characterized in that two kinds of formulas are as follows:
Formula 1: these stand-in are prepared from according to mol ratio 3: 1 by formic acid, Malonamide;
Formula 2: these stand-in are prepared from according to mol ratio 1: 1 by lactic acid, urea oxalate.
2. the full simulation explosive simulant of triethylene glycol dinitrate as claimed in claim 1, it is characterized in that adopting formula 1 to prepare the concrete preparation process of these stand-in as follows: taking formic acid and Malonamide according to the proportionlity of formula 1, is be warming up to 50 DEG C under the condition of 600r/min by formic acid low whipping speed; Keep 50 DEG C of constant temperature and under the agitation condition of 600r/min, add Malonamide with the speed of 20g/min, being stirred to solid matter and dissolving completely; Adjustment stirring velocity is 800r/min, continues to be uniformly mixed 180min, is cooled to discharging after normal temperature, obtains triethylene glycol dinitrate liquid explosive stand-in.
3. the full simulation explosive simulant of triethylene glycol dinitrate as claimed in claim 1, is characterized in that adopting formula 2 to prepare the concrete preparation process of these stand-in as follows:
Taking lactic acid and urea oxalate according to the proportionlity of formula 2, is be warming up to 50 DEG C under the condition of 800r/min by lactic acid low whipping speed; Keep 50 DEG C of constant temperature and under the agitation condition of 800r/min, add urea oxalate with the speed of 20g/min, continue after adding to stir 30min, solid matter is dissolved completely, cooling, discharging, obtains triethylene glycol dinitrate liquid explosive stand-in.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5958299A (en) * | 1997-12-01 | 1999-09-28 | Regents Of The University Of California | Explosive simulants for testing explosive detection systems |
| WO2007108797A2 (en) * | 2006-03-21 | 2007-09-27 | Gma Industries | A method of producing energetically-inert pseudoscents of explosive materials, and compositions thereof |
| CN101303317A (en) * | 2008-03-05 | 2008-11-12 | 中国科学院合肥物质科学研究院 | Explosive substance testing system apparatus and testing method thereof |
-
2012
- 2012-09-11 CN CN201210334988.6A patent/CN102816031B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5958299A (en) * | 1997-12-01 | 1999-09-28 | Regents Of The University Of California | Explosive simulants for testing explosive detection systems |
| WO2007108797A2 (en) * | 2006-03-21 | 2007-09-27 | Gma Industries | A method of producing energetically-inert pseudoscents of explosive materials, and compositions thereof |
| CN101303317A (en) * | 2008-03-05 | 2008-11-12 | 中国科学院合肥物质科学研究院 | Explosive substance testing system apparatus and testing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| Mihai Iovea,et,al..High Accuracy X-Ray Dual-Energy Experiments and Non-Rotational Tomography Algorithm for Explosives Detection.《International Symposium on Digital industrial Radiology and Computed Tomography》.2007,1-8. * |
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