Method for reducing sensitivity by elastomer and graphene double coating of HMX

A double-coating, octogold technology, applied in the direction of non-explosive/non-thermal agent components, non-explosive desensitizers/passivators, nitrated acyclic/alicyclic/heterocyclic amine explosive compositions, etc., It can solve the problems of reducing the friction sensitivity and mechanical sensitivity of octogold

Inactive Publication Date: 2018-08-10
INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, there is no application of graphene for the desensitization of octogold, and there is no de...

Method used

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  • Method for reducing sensitivity by elastomer and graphene double coating of HMX
  • Method for reducing sensitivity by elastomer and graphene double coating of HMX

Examples

Experimental program
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Embodiment 1

[0022] A kind of method for the elastic body of octogold, graphene double-layer coating to drop the sense, comprises the following steps: (1) octokine cleaning: take by weighing 50g of octogen, add to certain 1000ml anhydrous Soak in ethanol for 5h, then filter and dry the Octogold after cleaning; (2). Add the Octogold after drying into the beaker, then weigh 0.9g Hydroxybutane (HTPB), 0.2g Add dioctyl sebacate, 0.1g curing agent TDI, 0.1g dilaurate-dibutyltin 50g ethyl acetate, etc. into the above beaker and stir and mix together for 15min; (3) Weigh 0.2g graphene, add Add 0.1g of surfactant KH560 to 50g of absolute ethanol, and then place it in an ultrasonic device for 10 minutes; (4). Mix the Octogold mixed solution with the graphene solution and keep stirring until the solvent evaporates completely , and then placed in an oven to dry, the elastomer and graphene double-layer coated octogold can be prepared.

Embodiment 2

[0024] A kind of elastic body of octogold, the method for graphene double-layer coating to drop the sense, comprises the following steps: (1) octogold cleaning: take by weighing 100g such as figure 1 The Octogold shown is added to certain 1200mL of dehydrated ethanol and soaked for 6h, then the Octogold after cleaning is filtered and dried; (2) the Octogold after drying is added to the beaker, Then weigh 50-100g of ethyl acetate, 1.8g of hydroxybutyrate (HTPB), 0.2g of plasticizer dioctyl sebacate, 0.2g of curing agent TDI, 0.2g of catalyst dilaurate-dibutyltin, etc. Stir and mix together in the above-mentioned beaker for 30min; (3) weigh 0.3g of graphene in addition, add it to 100g of absolute ethanol, add 0.1g of surfactant KH560, and then place it in an ultrasonic device for ultrasonication for 15min; (4) put The mixed solution of octogold is mixed with the graphene solution, and continuously stirred until the solvent is completely evaporated, and then placed in an oven to ...

Embodiment 3

[0026] A kind of elastic body of octogold, the method for double-layer coating of graphene to reduce the sensitivity comprises the following steps: (1) octogold cleaning: take by weighing 80g of octogen, add to certain 1500mL anhydrous Soak in ethanol for 6h, then filter and dry the Octogold after cleaning; (2) Add the Octogold after drying into a beaker, then weigh 100g of ethyl acetate, 0.9g123 resin, 0.2g Add plasticizer dioctyl sebacate and 0.02g diethyl sulfate into the above-mentioned beaker and stir and mix together for 15min; (3) weigh 0.2g of graphene in addition, join in 50g of absolute ethanol, add 0.05g of Surfactant KH560, and then placed in an ultrasonic device for 10 minutes of ultrasonication; (4) Mix the mixed solution of octogold and graphene solution, and keep stirring until the solvent is completely evaporated, and then put it in an oven to dry, and the product can be prepared Obtained elastomer, graphene double-layer coated octogold.

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Abstract

The invention discloses a method for reducing sensitivity by elastomer and graphene double coating of HMX. The method comprises the following steps: (1) soaking the HMX in absolute ethyl alcohol, cleaning, then filtering and drying; (2) putting the dried HMX in a beaker, then adding an elastomer polymer solution to mix and stir and obtaining first mixed liquid; (3) adding a grapheme solution in the first mixed liquid to mix and stir till a solvent is completely volatilized and obtaining a residual solid; (4) drying the residual solid, coating an elastomer and grapheme onto the surface of the HMX by means of the adhesion force of an elastomer polymer and obtaining the double-coated HMX after the elastomer polymer is cured. When an explosive is under the loading action of force, an elastomerpolymer material can play a role in elastic energy absorption, the grapheme can play a role in reducing the friction, and the coupling effect of two sensitivity reducing mechanisms can play a role indeeply reducing the sensitivity of the HMX.

Description

technical field [0001] The invention relates to the technical field of processing energetic materials for military use, in particular to a method for reducing the sensitivity of Octogold's elastic body and graphene double-layer coating Background technique [0002] Military mixed explosives are the main source of energy for the detonation power of weapon systems, and their performance directly determines the effectiveness of weapons. Destructive power is an important performance index of a weapon system, and at the same time, high security is a prerequisite for the application of a weapon system. As an energetic material, military explosives are highly dangerous due to their energy release characteristics. Once a safety accident occurs, it will cause heavy losses to one's own side. The complex and changeable combat environment in combat puts forward increasingly stringent requirements on the safety of weapon systems, such as high temperature thermal stimulation, high and lo...

Claims

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Application Information

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IPC IPC(8): C06B45/22C06B25/34C06B23/00
CPCC06B23/005C06B25/34C06B45/22
Inventor 刘涛郑保辉谢虓肖春罗观
Owner INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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