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Method for adjusting oxygen balance of energy-containing material based on emulsion method

A technology of oxygen balance and emulsion method, which is applied in the production of bulk chemicals, explosives processing equipment, ammonium perchlorate composition, etc., can solve the problems of poor safety, difficulty in mass production, and long cycle, and achieve improved safety performance and energy efficiency. Enhanced, milder effects

Active Publication Date: 2017-12-15
SOUTHWEAT UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Although the above method has achieved certain results in the compounding of energetic materials, there are problems of long cycle, high cost, poor safety or difficulty in mass production.

Method used

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  • Method for adjusting oxygen balance of energy-containing material based on emulsion method
  • Method for adjusting oxygen balance of energy-containing material based on emulsion method
  • Method for adjusting oxygen balance of energy-containing material based on emulsion method

Examples

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Effect test

Embodiment 1

[0030] A method for adjusting the oxygen balance of energetic materials based on the emulsion method includes the following steps:

[0031] Step 1. According to the principle of zero oxygen balance, 0.35g of hexanitrohexaazaisopentane is dissolved in 5mL ethyl acetate to obtain a solution of hexanitrohexaazaisopentane; 0.144g of high chlorine Ammonium acid was dissolved in 20 mL of distilled water to obtain ammonium perchlorate solution;

[0032] Step 2. At 25℃, mix the hexanitrohexaazaisopentane solution and ammonium perchlorate solution and stir at constant temperature, then add the surfactant Tween-80, and stir at 25℃ until a suspension is formed , A uniform emulsion is formed after 10 minutes of ultrasound; the added amount of the surfactant Tween-80 is 0.5% of the total mass of the energetic material and the oxidant;

[0033] Step 3. Take the emulsion out immediately and put it in a freezer at -50℃ to make it solidify quickly, and place it in a freeze dryer to dry for 28 hours ...

Embodiment 2

[0035] A method for adjusting the oxygen balance of energetic materials based on the emulsion method includes the following steps:

[0036] Step 1. Dissolve 0.35g of hexanitrohexaazaisopentane in 5mL ethyl acetate to obtain a hexanitrohexaazaisopentane solution; dissolve 0.25g of ammonium nitrate in 20mL of distilled water to obtain nitric acid Ammonium solution

[0037] Step 2. At 25°C, mix the hexanitrohexaazaisopentane solution and ammonium nitrate solution and stir at constant temperature, then add the surfactant Tween-80, stir at 25°C until a suspension is formed, ultrasonic A uniform emulsion is formed after 10 minutes; the added amount of the surfactant Tween-80 is 0.35% of the total mass of the energetic material and the oxidant;

[0038] Step 3. Take the emulsion out immediately and put it in a freezer at -50℃ to make it solidify quickly, and place it in a freeze dryer to dry for 48 hours to obtain a hexanitrohexaazaisopentazidine / ammonium nitrate composite energy-containin...

Embodiment 3

[0040] A method for adjusting the oxygen balance of energetic materials based on the emulsion method includes the following steps:

[0041] Step 1. Dissolve 0.4g TNT in 3mL acetone to obtain a TNT solution; dissolve 0.87g ammonium perchlorate in 25mL distilled water to obtain an ammonium perchlorate solution;

[0042] Step 2. Mix the TNT solution and the ammonium perchlorate solution at 25°C and stir at constant temperature, then add the surfactant Tween-80, and stir at 25°C until a suspension is formed. After 10 minutes of sonication, a homogeneous emulsion is formed; The added amount of the surfactant Tween-80 is 0.5% of the total mass of the energetic material and the oxidant;

[0043] Step 3. Take the emulsion out immediately and put it in a freezer at -50℃ to make it solidify quickly, and place it in a freeze dryer to dry for 48 hours to obtain a hexanitrohexaazaisopentazidine / ammonium nitrate composite energy-containing compound with adjusted oxygen balance material.

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Abstract

The invention discloses a method for adjusting oxygen balance of an energy-containing material based on an emulsion method. The method comprises the following steps: weighing a certain amount of the energy-containing material and an oxidant; dissolving the energy-containing material and the oxidant into specific solvents respectively; after sufficiently dissolving solutes, mixing and stirring; adding a proper amount of a surfactant until a suspension solution is formed; carrying out ultrasonic treatment for certain time to form uniform emulsion; taking out the emulsion and immediately putting the emulsion into a freezer for rapidly freezing the emulsion; putting the frozen emulsion into a freeze drying device and drying to obtain a composite energy-containing material. According to the compound prepared by the method, the energy-containing material and the oxidant are uniformly compounded in a micro-scale, and energy is greatly improved (the heat releasing amount can be improved by 60 percent or more); meanwhile, the safety performance can be remarkably improved. The method disclosed by the invention has the advantages of moderate conditions, simple flow, low cost, safety and reliability; the novel method for adjusting the oxygen balance of the energy-containing material has a wide application prospect in military and civilian fields.

Description

Technical field [0001] The invention belongs to the composite technology of energetic materials, and is specifically a composite preparation method for adjusting the oxygen balance of energetic materials. Background technique [0002] The oxygen balance of an energetic material refers to the amount of excess or insufficient oxygen after the oxygen is used to completely oxidize combustible elements. It is one of the important basis for determining the percentage of each component in the energetic material, and is related to the explosive heat, Specific volume is closely related to toxic gas emissions. When the oxygen balance is zero, the oxygen element in the explosive can just completely oxidize the combustible elements in it. At this time, the explosive releases the most heat after the explosion, the blasting or work effect is the best, and the harmful gas is the least (Acta Armamentarius) ,2004,3(2):225-228); while in the positive oxygen balance, the oxygen in the explosive co...

Claims

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Application Information

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IPC IPC(8): C06B21/00C06B29/22
CPCC06B21/0016C06B29/22Y02P20/54
Inventor 田璐郭长平翟恒朱燕芳杨光成王敦举
Owner SOUTHWEAT UNIV OF SCI & TECH
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