阅读说明：本技术 一种烟花火药钝感剂及其制备方法 (Firework gunpowder insensitive agent and preparation method thereof ) 是由 高志淞 柳真 于 2020-04-20 设计创作，主要内容包括：本发明公开了一种烟花火药钝感剂,以重量计,包括氧化镁1-3重量份、氧化锌2-4重量份、硬脂酸钙1-5重量份、二硝酰胺铵1.5-2.8重量份、三氧化二铋1-5重量份、双环戊二烯合铁10-15重量份、聚叠氮缩水甘油醚5-10重量份。本发明的钝感剂使得的烟花火药的摩擦撞击感度极大降低,提高了其安全性；火药燃烧速度缓慢,点燃后不在严密封闭的环境下只会逐步燃烧,不会瞬间产生剧烈爆炸形成强力的冲击波。有效避免了花炮生产过程中的事故发生。(The invention discloses a firework powder insensitive agent, which comprises, by weight, 1-3 parts of magnesium oxide, 2-4 parts of zinc oxide, 1-5 parts of calcium stearate, 1.5-2.8 parts of ammonium dinitramide, 1-5 parts of bismuth trioxide, 10-15 parts of dicyclopentadiene iron and 5-10 parts of polyaziridine glycidyl ether. The insensitive agent greatly reduces the friction impact sensitivity of the firework powder and improves the safety of the firework powder; the gunpowder has slow burning speed, and only gradually burns after being ignited without being in a tightly closed environment, so that violent explosion cannot be instantly generated to form strong shock waves. The accident in the firework production process is effectively avoided.)

1. The firework powder desensitizer is characterized by comprising, by weight, 1-3 parts of magnesium oxide, 2-4 parts of zinc oxide, 1-5 parts of calcium stearate, 1.5-2.8 parts of ammonium dinitramide, 1-5 parts of bismuth trioxide, 10-15 parts of dicyclopentadiene iron and 5-10 parts of polyazidyl glycidyl ether.

2. A pyrotechnic composition desensitizer, according to claim 1, comprising 2 parts by weight of magnesium oxide, 3 parts by weight of zinc oxide, 3 parts by weight of calcium stearate, 2.5 parts by weight of ammonium dinitramide, 4 parts by weight of bismuth trioxide, 11 parts by weight of iron dicyclopentadiene, 7 parts by weight of polyglycidyl ether.

3. The preparation method of the firework powder insensitive agent is characterized by comprising the following steps of:

step one, mixing magnesium oxide, zinc oxide, calcium stearate, ammonium dinitramide, bismuth trioxide and dicyclopentadiene iron, grinding, sieving and screening to obtain mixed powder of 150-200 meshes;

and secondly, adding polyazide glycidyl ether, stirring and mixing uniformly under the vibration of ultrasonic waves to obtain the firework powder insensitive agent.

4. The method for preparing the firework powder desensitizer as claimed in claim 3, wherein the mass ratio of the magnesium oxide, the zinc oxide, the calcium stearate, the ammonium dinitramide, the bismuth trioxide, the dicyclopentadiene iron and the polyaziridine glycidyl ether is 1-3: 2-4: 1-5: 1.5-2.8: 1-5: 10-15: 5-10.

5. The method for preparing the firework powder desensitizer as claimed in claim 4, wherein the mass ratio of the magnesium oxide, the zinc oxide, the calcium stearate, the ammonium dinitramide, the bismuth trioxide, the dicyclopentadiene iron and the polyglycidyl ether is 2: 3: 3: 2.5: 4: 11: 7.

Technical Field

The invention belongs to the field of firework powder insensitive agent, and particularly relates to a firework powder insensitive agent and a preparation method thereof.

Background

The gunpowder of fireworks contains inflammable and explosive substances including sulfur, carbon powder, alloy, aluminum powder and barium nitrate. Chemical reaction is easy to occur between the components to cause explosion, so that a passivating agent needs to be added to reduce the danger.

Disclosure of Invention

In order to solve the problems, the invention provides a firework powder insensitive agent and a preparation method thereof, and the firework powder insensitive agent greatly reduces the friction impact sensitivity and improves the safety; the gunpowder has slow burning speed, and only gradually burns after being ignited without being in a tightly closed environment, so that violent explosion cannot be instantly generated to form strong shock waves. The accident in the firework production process is effectively avoided.

In order to achieve the technical effects, the technical scheme of the invention is as follows:

the firework powder desensitizer comprises, by weight, 1-3 parts of magnesium oxide, 2-4 parts of zinc oxide, 1-5 parts of calcium stearate, 1.5-2.8 parts of ammonium dinitramide, 1-5 parts of bismuth trioxide, 10-15 parts of dicyclopentadiene iron and 5-10 parts of polyaziridine glycidyl ether.

The further improvement comprises 2 weight parts of magnesium oxide, 3 weight parts of zinc oxide, 3 weight parts of calcium stearate, 2.5 weight parts of ammonium dinitramide, 4 weight parts of bismuth trioxide, 11 weight parts of dicyclopentadiene iron and 7 weight parts of polyaziridine glycidyl ether.

A preparation method of a firework powder insensitive agent comprises the following steps:

step one, mixing magnesium oxide, zinc oxide, calcium stearate, ammonium dinitramide, bismuth trioxide and dicyclopentadiene iron, grinding, sieving and screening to obtain mixed powder of 150-200 meshes;

and secondly, adding polyazide glycidyl ether, stirring and mixing uniformly under the vibration of ultrasonic waves to obtain the firework powder insensitive agent.

The further improvement is that the mass ratio of the magnesium oxide, the zinc oxide, the calcium stearate, the ammonium dinitramide, the bismuth trioxide, the dicyclopentadiene iron and the poly glycidyl azide is 1-3: 2-4: 1-5: 1.5-2.8: 1-5: 10-15: 5-10.

The further improvement is that the mass ratio of the magnesium oxide, the zinc oxide, the calcium stearate, the ammonium dinitramide, the bismuth trioxide, the dicyclopentadiene iron and the poly glycidyl azide is 2: 3: 3: 2.5: 4: 11: 7.

Detailed Description

The technical means of the present invention will be specifically described below by way of specific embodiments.