CN105175201B - Many slag incendiary agents and preparation method thereof - Google Patents
Many slag incendiary agents and preparation method thereof Download PDFInfo
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- CN105175201B CN105175201B CN201510557951.3A CN201510557951A CN105175201B CN 105175201 B CN105175201 B CN 105175201B CN 201510557951 A CN201510557951 A CN 201510557951A CN 105175201 B CN105175201 B CN 105175201B
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- mixed metal
- powder
- ptfe
- polytetrafluoroethylene
- magnesium
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Abstract
The present invention discloses a kind of many slag incendiary agents and preparation method thereof, and the composition and weight/mass percentage composition of many slag incendiary agents are：Magnesium polytetrafluoroethylene (PTFE) medicament：25~35%, mixed metal powder medicament：65~75%.Preparation method comprises the following steps：Magnesium polytetrafluoroethylene (PTFE) medicament is prepared, mixed metal powder medicament, batch mixing and pressing is prepared.Incendiary agent of the invention, produces more high temperature scorching hot slag during burning, with ignition temperature higher, calory burning is high, and capacity usage ratio is high, as high energy incendiary agent, has broad application prospects.
Description
Technical field
The invention belongs to incendiary agent technical field, incendiary agent and its preparation of many slags can be produced after particularly a kind of burning
Method.
Background technology
Incendiary agent belongs to high Energy Density Materials.With burning, easy, caloric value is big, ignition temperature is high for incendiary agent requirement,
The performance such as burning area is big, burning time is long, flame is difficult to put out.For incendiary agent, the quantity of the slag generated during burning is
Its energy is influenceed to export the key factor of utilization and application performance.
At present, in order to improve the performance of incendiary agent, numerous studies have been carried out.From magnesium base alloy as high-energy combustion agent
Wooden caisson can effectively be seted on fire.(referring to：In soughing of the wind in the pines novel metal incendiary agent technical research Institutes Of Technology Of Nanjing
.2003).Research finds, rare earth incendiary agent has that ignition temperature is high, flame big, burning is fierce and the slag red-hot duration is long
The features such as, there is good Incendiary effect to the fire retardant target such as wooden structure.(referring to：Yellow Goethe, Wang Peilan, Liu Jiru, horse scholar
Continent, the glad Application of Rare-earth Incendiary Composition research priming system .2006.02 of Li Hong).In research NEW TYPE OF COMPOSITE incendiary agent
When, it is indicated that the technical goal of Composite incendiary agents is incendiary agent quality mCombustion≤ 0.25kg, burning time t >=5min, residual residue rate Z
>=50%.(referring to：Wu Hongmei, Song Jing Pus are burnt military up to compound combustions component structure and performance optimizing research trajectory journals
.2003.12).In addition, common magnesium-polytetrafluoroethylene (PTFE) incendiary agent (magnesium is combustible, and polytetrafluoroethylene (PTFE) is oxidant, plus in right amount
The medicament of adhesive composition), the slag quantity after its burning is also less (1.24 grams of slag/10 gram incendiary agents).Therefore, it is right at present
In the slag quantity for how effectively improving incendiary agent, there is not been reported.
In a word, the problem of prior art presence is：Slag quantity is few when incendiary agent burns, and heat leakage is more during burning, energy
Utilization rate is low.
The content of the invention
It is an object of the invention to provide a kind of many slag incendiary agents and preparation method thereof, the height that incendiary agent is generated when burning
The scorching hot slag of temperature is more, and heat leakage is few, and capacity usage ratio is higher.
The technical solution for realizing the object of the invention is：A kind of many slag incendiary agents, its composition and weight/mass percentage composition
For：Magnesium-polytetrafluoroethylene (PTFE) medicament：25~35%, mixed metal powder medicament：65~75%.
Preferably, the composition and weight/mass percentage composition of the magnesium-polytetrafluoroethylene (PTFE) medicament are：Polytetrafluoroethylene (PTFE) 47.5%,
Magnesium powder 47.5%, phenolic resin 5%.
Preferably, the granularity of the polytetrafluoroethylene (PTFE) is 200 mesh.
Preferably, the granularity of the magnesium powder is 325 mesh.
Preferably, the composition and weight/mass percentage composition of the mixed metal powder medicament are：Mixed metal powder 95%, phenolic aldehyde tree
Fat 5%.
Preferably, the granularity of metal powder is 200 mesh in the mixed metal powder.
Preferably, the mixed metal powder is the one kind in following combination：Al/Cu mixed metal powders, Al/B hybrid metals
Powder, Al/Mn mixed metal powders, Al/Fe mixed metal powders.
Preferably, the component and weight/mass percentage composition of the Al/Cu mixed metal powders medicament are：Al powder 28%, Cu powder
67%, phenolic resin 5%.
Preferably, the component and weight/mass percentage composition of the Al/B mixed metal powders medicament are：Al powder 52%, B powder 43%,
Phenolic resin 5%.
Preferably, the component and weight/mass percentage composition of the Al/Mn mixed metal powders medicament are：Al powder 31%, Mn powder
64%, phenolic resin 5%.
Preferably, the component and weight/mass percentage composition of the Al/Fe mixed metal powders medicament are：Al powder 31%, Fe powder
64%, phenolic resin 5%.
The technical scheme for realizing another object of the present invention is：A kind of preparation method of many slag incendiary agents, including following step
Suddenly：
(1) magnesium-polytetrafluoroethylene (PTFE) medicament is prepared：By well mixed magnesium and polytetrafluoroethylene (PTFE), it is added to and uses absolute ethyl alcohol
In the phenolic resin of dissolving, wet mixing, sieving granulation is dried naturally, obtains magnesium-polytetrafluoroethylene (PTFE) medicament；
(2) mixed metal powder medicament is prepared：Two kinds of well mixed metal powders are added to the phenol of anhydrous alcohol solution
In urea formaldehyde, wet mixing, sieving granulation is dried naturally, obtains mixed metal powder medicament；
(3) batch mixing and pressing：Magnesium-polytetrafluoroethylene (PTFE) medicament is well mixed with mixed metal powder medicament, it is compressing, obtain
To many slag incendiary agents.
Principle of the invention is：
Under the exciting of the heat energy that the burning of magnesium-polytetrafluoroethylene (PTFE) medicament is produced, metal powder in mixed metal powder medicament it
Between chemically react, produce it is substantial amounts of heat and the scorching hot intermetallic compound slag of high temperature, it is ensured that will be as high as possible
Energy transmission improves energy utilization efficiency to object, reduces the loss of energy.
The present invention compared with prior art, its remarkable advantage：
1st, the scorching hot slag of greater number of high temperature：The present invention is by by magnesium-polytetrafluoroethylene (PTFE) medicament and mixed metal powder medicine
Agent is well mixed, and the compressing many slag incendiary agents for obtaining have greater number of compared to pure magnesium-polytetrafluoroethylene (PTFE) incendiary agent
The scorching hot slag of high temperature (7.15-9.37 grams of slag/10 gram incendiary agents), it is ensured that by energy transmission as high as possible to object,
The loss of energy is reduced, the energy utilization efficiency of incendiary agent is improved.
2nd, it is environment-friendly：Toxic gas and noxious material are not produced, are conducive to environmental protection and human health；
3rd, low cost：Preparation method is simple, and making apparatus and raw material are easy to get, with low cost.
With reference to specific embodiment, the present invention is described in further detail.
Specific embodiment
For ease of it is further understood that the present invention, following examples are by identical preparation method system
It is standby.
In the present invention it is raw materials used be it is commercially available.
First, magnesium-polytetrafluoroethylene (PTFE) medicament is prepared：By well mixed magnesium and polytetrafluoroethylene (PTFE), it is added to and uses anhydrous second
In the phenolic resin of alcohol dissolving, wet mixing, sieving granulation is dried naturally, obtains magnesium-polytetrafluoroethylene (PTFE) medicament.
Then, mixed metal powder medicament is prepared：Two kinds of well mixed metal powders are added to anhydrous alcohol solution
In phenolic resin, wet mixing, sieving granulation is dried naturally, obtains mixed metal powder medicament.
Batch mixing and pressing：Magnesium-polytetrafluoroethylene (PTFE) medicament is well mixed with mixed metal powder medicament, it is compressing, obtain
Many slag incendiary agents.
Many slag incendiary agents of the invention are weighed, 10 grams of each embodiment is compressing in the mould of a diameter of 18mm.
Same procedure is obtained comparative example, is compared with the present invention.Comparative example incendiary agent is 10 grams, and composition and content are：
The mesh 47.5% of polytetrafluoroethylene (PTFE) 200, the mesh 47.5% of magnesium powder 325, phenolic resin 5%, all percentages are mass percent.
Each embodiment is shown in Table 1 with the composition and mass percent of comparative example, wherein, the relative content of every kind of material
It is for whole 10g medicaments.Each embodiment is shown in Table 2 with the composition and quality proportioning of comparative example.
That tests comprises the following steps that：
Each embodiment and comparative example are carried out into ignition in combustion tower, the IGA-140 produced with German IMPAC companies
Temperature during contactless far infrared temperature measurement instrument test burning, after medicament burning terminates, collects the slag after each example burning, uses
Balance is weighed, as a result as shown in table 3.
The composition and mass percent of each embodiment of table 1 and comparative example
Each embodiment of table 2 and comparative example composition and proportioning table
The slag quality and ignition temperature table of the embodiment of table 3 and comparative example
| Sequence | Slag quality/g | Ignition temperature/DEG C |
| Embodiment 1-1 | 7.97 | 1526.3 |
| Embodiment 2-1 | 8.23 | 1593.7 |
| Embodiment 3-1 | 8.67 | 1463.9 |
| Embodiment 4-1 | 7.15 | 1427.8 |
| Embodiment 4-2 | 9.37 | 1446.9 |
| Comparative example 0 | 1.24 | 1383.9 |
The corresponding slag quantity of various embodiments of the present invention is can be seen that from the test result in table 3, comparative example is above
Corresponding slag quantity；The corresponding ignition temperature of each embodiment, is above the corresponding ignition temperature of comparative example.It is of the invention to melt more
Slag incendiary agent, the scorching hot slag quality of high temperature when can effectively improve burning, improves the scorching hot duration, it is ensured that will as far as possible
Energy transmission high reduces energy loss to object, improves the energy utilization efficiency of incendiary agent.And do not produce poisonous
Gas and noxious material, are conducive to environmental protection and human health.Preparation method is simple, and raw material is easy to get, with low cost.
Claims (5)
1. a kind of many slag incendiary agents, its composition and weight/mass percentage composition are：
Magnesium-polytetrafluoroethylene (PTFE) pharmacy particle：25~35%, mixed metal powder pharmacy particle：65~75%；
The composition and weight/mass percentage composition of the magnesium-polytetrafluoroethylene (PTFE) pharmacy particle be：
Polytetrafluoroethylene (PTFE) 47.5%,
Magnesium powder 47.5%,
Phenolic resin 5%；
The composition and weight/mass percentage composition of the mixed metal powder pharmacy particle be：
Mixed metal powder 95%,
Phenolic resin 5%；
The preparation method of the magnesium-polytetrafluoroethylene (PTFE) pharmacy particle is：By well mixed magnesium and polytetrafluoroethylene (PTFE), use is added to
In the phenolic resin of anhydrous alcohol solution, wet mixing, sieving granulation is dried naturally, obtains magnesium-polytetrafluoroethylene (PTFE) pharmacy particle；
The preparation method of the mixed metal powder pharmacy particle is：By two kinds of well mixed metal powders, it is added to and uses anhydrous second
In the phenolic resin of alcohol dissolving, wet mixing, sieving granulation is dried naturally, obtains mixed metal powder pharmacy particle；
Characterized in that, the mixed metal powder is the one kind in following combination：Al/Cu mixed metal powders, Al/B hybrid metals
Powder, Al/Mn mixed metal powders, Al/Fe mixed metal powders.
2. incendiary agent according to claim 1, it is characterised in that：The component and quality hundred of the Al/Cu mixed metal powders
Point content is：
Al powder 28%,
Cu powder 67%,
Phenolic resin 5%.
3. incendiary agent according to claim 1, it is characterised in that：The component and quality percentage of the Al/B mixed metal powders
Content is：
Al powder 52%,
B powder 43%,
Phenolic resin 5%.
4. incendiary agent according to claim 1, it is characterised in that：The component and quality hundred of the Al/Mn mixed metal powders
Point content is：
Al powder 31%,
Mn powder 64%,
Phenolic resin 5%.
5. incendiary agent according to claim 1, it is characterised in that：The component and quality hundred of the Al/Fe mixed metal powders
Point content is：
Al powder 31%,
Fe powder 64%,
Phenolic resin 5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510557951.3A CN105175201B (en) | 2015-09-03 | 2015-09-03 | Many slag incendiary agents and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510557951.3A CN105175201B (en) | 2015-09-03 | 2015-09-03 | Many slag incendiary agents and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105175201A CN105175201A (en) | 2015-12-23 |
| CN105175201B true CN105175201B (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510557951.3A Expired - Fee Related CN105175201B (en) | 2015-09-03 | 2015-09-03 | Many slag incendiary agents and preparation method thereof |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2414310A1 (en) * | 1973-04-03 | 1974-10-31 | Charles Aloysius Knapp | EXPLOSIVE SUBSTANCE |
| FR2508896A1 (en) * | 1981-07-02 | 1983-01-07 | France Etat | Cellular pyrotechnic material with controlled porosity - comprising binder, oxidn.-redn. couple and micro-cavities, useful smoke producing, incendiary, heat vaporising or fuel compsns. |
| CN102925120A (en) * | 2012-11-08 | 2013-02-13 | 中国人民解放军理工大学 | Thermit and preparation method thereof |
| CN103553854B (en) * | 2013-10-09 | 2015-11-04 | 南京理工大学 | High-energy infrared-radiation incendiary agent |
| CN104557351B (en) * | 2013-10-24 | 2016-09-21 | 南京理工大学 | A kind of composite smoke fire type high-energy combustion agent |
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2015
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