CN104944422B - A kind of ignition charge and preparation method - Google Patents
A kind of ignition charge and preparation method Download PDFInfo
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- CN104944422B CN104944422B CN201510317032.9A CN201510317032A CN104944422B CN 104944422 B CN104944422 B CN 104944422B CN 201510317032 A CN201510317032 A CN 201510317032A CN 104944422 B CN104944422 B CN 104944422B
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- ignition charge
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Abstract
The present invention relates to a kind of ignition charge and preparation method, belongs to energetic material field.Composition is as follows：Graphene 20~40%；Potassium nitrate 40~60%；Calper calcium peroxide 5~10%；Ammonium persulfate 12~30%；Binding agent 1~8%；Red phosphorus 0.5~2%.The preparation technology of the ignition charge is as follows：It is well mixed according to graphene, potassium nitrate, calper calcium peroxide, ammonium persulfate and red phosphorus is weighed according to the above ratio；Then liquid glue is made by anhydrous solvent in binding agent, be added drop-wise on mixture, stirred, filtered, dry, re-sieving obtains ignition charge.A kind of ignition charge and preparation method of the present invention, the ignition ability of ignition charge is strong, and Fire Reliability is high, sensitivity is low, has ensured transport and the security used, and preparation method need not be using complicated equipment, and technique is simple, is easy to continuous production.
Description
Technical field
The present invention relates to a kind of ignition charge and preparation method, belongs to energetic material field.
Background technology
Ignition charge refers to rapid combustion reaction can occur in the presence of outside energy, and releases substantial amounts of heat, gas
With the pyrotechnic composition of hot-engine sludge, there is the characteristics of heat sensitivity is high, and ignition ability is stronger, be primarily used to ignite various gunpowder, cigarette
Fiery agent and priming system.
The ignition charge used at present in propellant is mainly black powder, is ignited propellant by hot gas and solids,
But because burn rate is fast, the solids of generation are few, it is impossible to stable pressure is produced, while pressure is excessive, will to the intensity of housing
Ask high.The ignition charge of charcoal and potassium chlorate composition has the shortcomings that burn rate is low, ignition ability is weak；Metal oxide is added to chloric acid
The ignition charge formed in potassium improves burn rate and ignition ability, but it is higher inductance degree to be present, the problem of production security difference.Red lead
Silicon systems ignition charge is that a kind of conduction time is short, ignition ability is high, the ignition charge more than solid product, but its friction sensitivity and machinery
Sensitivity is higher, certain potential safety hazard be present.Patent 201010296010.8 uses nickel hydrazine nitrate and red lead-ferrosilicon and binding agent
Thick ignition charge is mixed to form, reduces mechanical sensitivity to a certain extent, improves security, but thick igniting
Easily there are the bad phenomenons such as stomata, crackle when on igniter head in medicine Tu, is unfavorable for lighting a fire, while the ignition charge has one to environment
Fixed contaminative.Therefore, inventing the ignition charge that a kind of ignition ability is strong, mechanical sensitivity is low, security is good has important meaning.
The content of the invention
It is an object of the present invention to provide a kind of ignition charge and preparation method, the ignition charge has ignition ability height, mechanical sensitivity
Low, the advantages of security is good.
A kind of ignition charge, the mass fraction that it is grouped point in being formulated are as follows：
The binding agent be end hydroxy butadiene, nitrocotton, fluorubber it is any.
A kind of preparation method of ignition charge, its specific preparation process are as follows：
Step 1: graphene, potassium nitrate, calper calcium peroxide, ammonium persulfate, red phosphorus, binding agent are weighed according to formula rate, will
Graphene, potassium nitrate, calper calcium peroxide, red phosphorus and ammonium persulfate are well mixed, and obtain mixture；
Step 2: the binding agent that step 1 is weighed is dissolved in anhydrous solvent, stirring is completely dissolved it, forms quality point
Number is 1~6% liquid glue；
Step 3: according to the proportionate relationship of the corresponding 10~30g mixtures of every 100ml anhydrous solvents, step 1 is obtained
Mixture is added in anhydrous solvent, is stirred, and forms mixed solution；
Step 4: the liquid glue that step 2 is obtained is added drop-wise in the mixed solution of step 3, and after stirring, filtering,
Dry, cross the sieve of 60 mesh, obtain a kind of ignition charge.
Described anhydrous solvent is tetrahydrofuran, ethyl acetate, methyl formate.
Beneficial effect
1st, a kind of preparation method of ignition charge of the invention, technique are simple.The present invention need not be prepared using complicated equipment
Technique is simple, and operation is simple, is easy to continuous production.
2nd, a kind of ignition charge of the invention, certain protective layer is formed in ignition charge in the presence of liquid glue, reduces sense
Degree, improve transport and the security used.
3rd, a kind of ignition charge of the invention, ignition ability is strong, and Fire Reliability is high.
Embodiment：
With reference to embodiment, the present invention will be further described.
Embodiment 1：
A kind of ignition charge and preparation method, the quality of each component is during it is formulated：20g graphenes, 47.5g potassium nitrate, 8g
Calper calcium peroxide, 22g ammonium persulfates and 2g hydroxy-teminal butadienes, 0.5g red phosphorus；
A kind of preparation method of ignition charge, its specific preparation process are as follows：
1) 20g graphenes, 48g potassium nitrate, 8g calper calcium peroxides, 22g ammonium persulfates, 0.5g red phosphorus is weighed to be well mixed；
2) 2g hydroxy-teminal butadienes are dissolved in anhydrous tetrahydro furan, form 2% liquid glue；
3) mixture in 1) is added in 400ml anhydrous tetrahydro furan, liquid is then added under conditions of stirring
Body glue, 50min is stirred after being added dropwise to complete, form mixed solution, wherein rate of addition is per minute 50 drops, and mixing speed is
400r/min；
4) mixed solution is filtered, under natural conditions dry 2h, then temperature be 40 DEG C, vacuum be 0.07MPa's
Under the conditions of dry 6h；The sieve of 60 mesh is finally crossed, obtains mechanical impacting sensitivity 12%, duration of ignition 6ms, burning time
0.89s ignition charge.
Embodiment 2：
A kind of ignition charge and preparation method, the quality of each component is during it is formulated：37g graphenes, 36g potassium nitrate, 10g mistakes
Calcium oxide, 15g ammonium persulfates, 2g red phosphorus and 4g nitrocottons.
A kind of preparation method of ignition charge, its specific preparation process are as follows：
1) 39g graphenes, 36g potassium nitrate, 10g calper calcium peroxides, 15g ammonium persulfates is weighed to be well mixed；
2) 4g nitrocottons are dissolved in anhydrous ethyl acetate, form 1% liquid glue；
3) mixture in 1) is added in 400ml anhydrous tetrahydro furan, liquid is then added under conditions of stirring
Body glue, 60min is stirred after being added dropwise to complete, form mixed solution, wherein rate of addition is per minute 60 drops, and mixing speed is
500r/min；
4) mixed solution is filtered, under field conditions (factors) dry 2h, then temperature be 40 DEG C, vacuum 0.06MPa
Under conditions of dry 5h；The sieve of 60 mesh is finally crossed, obtains mechanical impacting sensitivity 10%, duration of ignition 5.8ms, burning time
0.88s ignition charge.
Embodiment 3：
A kind of ignition charge and preparation method, the quality of each component is during it is formulated：37g graphenes, 35g potassium nitrate, 7g mistakes
Calcium oxide, 17g ammonium persulfates, 1g red phosphorus and 3g fluorubber.
A kind of preparation method of ignition charge, its specific preparation process are as follows：
1) 37g graphenes, 35g potassium nitrate, 8g calper calcium peroxides, 17g ammonium persulfates is weighed to be well mixed；
2) 3g fluorubber is dissolved in anhydrous acetic acid methyl esters, forms 6% liquid glue；
3) mixture in 1) is added in 350ml anhydrous tetrahydro furan, liquid is then added under conditions of stirring
Body glue, 80min is stirred after being added dropwise to complete, form mixed solution, wherein rate of addition is per minute 50 drops, and mixing speed is
800r/min；
4) mixed solution is filtered, under field conditions (factors) dry 3h, then temperature be 40 DEG C, vacuum 0.05MPa
Under conditions of dry 5h；The sieve of 60 mesh is finally crossed, obtains mechanical impacting sensitivity 11.5%, when duration of ignition 5.5ms, burning
Between 0.91s ignition charge.
Embodiment 4：
A kind of ignition charge and preparation method, the quality of each component is during it is formulated：20g graphenes, 53.5g potassium nitrate, 5g
Calper calcium peroxide, 12g ammonium persulfates, 1.5g red phosphorus and 8g hydroxy-teminal butadienes.
A kind of preparation method of ignition charge, its specific preparation process are as follows：
1) 20g graphenes, 55g potassium nitrate, 5g calper calcium peroxides, 12g ammonium persulfates is weighed to be well mixed；
2) 8g hydroxy-teminal butadienes are dissolved in anhydrous ethyl acetate, form 4% liquid glue；
3) mixture in 1) is added in 350ml anhydrous tetrahydro furan, liquid is then added under conditions of stirring
Body glue, 60min is stirred after being added dropwise to complete, form mixed solution, wherein rate of addition is per minute 60 drops, and mixing speed is
500r/min；
4) mixed solution is filtered, under field conditions (factors) dry 2h, then temperature be 40 DEG C, vacuum 0.06MPa
Under conditions of dry 5h；The sieve of 60 mesh is finally crossed, obtains mechanical impacting sensitivity 10.8%, when duration of ignition 5.6ms, burning
Between 0.90s ignition charge.
Embodiment 5：
A kind of ignition charge and preparation method, the quality of each component is during it is formulated：25g graphenes, 35g potassium nitrate, 9g mistakes
Calcium oxide, 29.2g ammonium persulfates, 0.8g red phosphorus and 1g fluorubber.
A kind of preparation method of ignition charge, its specific preparation process are as follows：
1) 25g graphenes, 35g potassium nitrate, 9g calper calcium peroxides, 30g ammonium persulfates is weighed to be well mixed；
2) 1g fluorubber is dissolved in anhydrous tetrahydro furan, forms 5% liquid glue；
3) mixture in 1) is added in 400ml anhydrous tetrahydro furan, liquid is then added under conditions of stirring
Body glue, 60min is stirred after being added dropwise to complete, form mixed solution, wherein rate of addition is per minute 80 drops, and mixing speed is
800r/min；
4) mixed solution is filtered, under field conditions (factors) dry 3h, then temperature be 40 DEG C, vacuum 0.02MPa
Under conditions of dry 3h；The sieve of 60 mesh is finally crossed, obtains mechanical impacting sensitivity 8.9%, when duration of ignition 5.4ms, burning
Between 1.03s ignition charge.
Embodiment 6：
A kind of ignition charge and preparation method, the quality of each component is during it is formulated：20g graphenes, 33g potassium nitrate, 10g mistakes
Calcium oxide, 30g ammonium persulfates, 1.5g red phosphorus and 5.5g nitrocottons.
A kind of preparation method of ignition charge, its specific preparation process are as follows：
1) 20g graphenes, 34.5g potassium nitrate, 10g calper calcium peroxides, 30g ammonium persulfates is weighed to be well mixed；
2) 5.5g nitrocottons are dissolved in anhydrous acetic acid methyl esters, form 5% liquid glue；
3) mixture in 1) is added in 940ml anhydrous tetrahydro furan, liquid is then added under conditions of stirring
Body glue, 60min is stirred after being added dropwise to complete, form mixed solution, wherein rate of addition is per minute 55 drops, and mixing speed is
500r/min；
4) mixed solution is filtered, under field conditions (factors) dry 2h, then temperature be 40 DEG C, vacuum 0.02MPa
Under conditions of dry 5h；The sieve of 60 mesh is finally crossed, obtains mechanical impacting sensitivity 9.5%, duration of ignition 4ms, burning time
0.98s ignition charge.
Claims (3)
- A kind of 1. ignition charge, it is characterised in that：The mass fraction of each component is as follows during it is formulated：,Comprise the following steps that：Step 1: graphene, potassium nitrate, calper calcium peroxide, ammonium persulfate, red phosphorus, binding agent are weighed according to formula rate, by graphite Alkene, potassium nitrate, calper calcium peroxide, red phosphorus and ammonium persulfate are well mixed, and obtain mixture；Step 2: the binding agent that step 1 is weighed is dissolved in anhydrous solvent, stirring is completely dissolved it, and forming mass fraction is 1~6% liquid glue；Step 3: according to the proportionate relationship of the corresponding 10~30g mixtures of every 100ml anhydrous solvents, the mixing that step 1 is obtained Thing is added in anhydrous solvent, is stirred, and forms mixed solution；Step 4: the liquid glue that step 2 is obtained is added drop-wise in the mixed solution of step 3, after stirring, filters, dry, The sieve of 60 mesh is crossed, obtains a kind of ignition charge.
- A kind of 2. ignition charge as claimed in claim 1, it is characterised in that：The binding agent is end hydroxy butadiene, nitrification Cotton, fluorubber it is any.
- A kind of 3. ignition charge as claimed in claim 1, it is characterised in that：Described anhydrous solvent is tetrahydrofuran, acetic acid second Ester, methyl formate.
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| CN201510317032.9A CN104944422B (en) | 2015-06-10 | 2015-06-10 | A kind of ignition charge and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108440226A (en) * | 2018-05-14 | 2018-08-24 | 雅化集团绵阳实业有限公司 | A kind of novel electron detonator ignition charge and preparation method thereof |
| CN109438145B (en) * | 2018-12-26 | 2021-01-22 | 湖北航天化学技术研究所 | High-detonation-heat aluminum-containing explosive and preparation method thereof |
| CN112047795B (en) * | 2020-08-28 | 2022-04-19 | 西安近代化学研究所 | Preparation method of graphene oxide/nitrocotton compound |
| CN116444325B (en) * | 2023-03-23 | 2024-07-05 | 无锡盛景微电子股份有限公司 | Digital electronic detonator ignition agent and preparation method and application thereof |
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| WO2002092539A1 (en) * | 2001-05-10 | 2002-11-21 | Nippon Kayaku Kabushiki Kaisha | Igniting agent composition, and igniter using the igniting agent composition |
| CN100364938C (en) * | 2005-12-30 | 2008-01-30 | 中国航天科技集团公司第四研究院第四十二所 | Chlorate oxygen column as ignitor and production thereof |
| CN102050686B (en) * | 2009-10-30 | 2012-10-10 | 浏阳市达浒花炮艺术焰火燃放集团有限公司 | Micro smoke ignition agent for fireworks |
| JP5819829B2 (en) * | 2010-07-15 | 2015-11-24 | 日本化薬株式会社 | Ignition composition for igniter |
| CN103755504B (en) * | 2013-12-09 | 2017-03-22 | 中国人民解放军理工大学 | High-energy ignition agent and preparation method thereof |
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