Multifunctional smoke-free non-sulfur firecracker propellant and preparation method thereof
A multi-functional propellant technology, applied in explosives, etc., can solve the problems of large amount of toxic fumes released and general performance, and achieve the effects of good moisture resistance, simple preparation process, and easy-to-obtain raw materials
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Embodiment 1
[0032] A multifunctional smokeless and sulfur-free firecracker propellant, the mass percentage of each component is as follows:
[0033]
[0034] .
[0035] A method for preparing a multifunctional smokeless and sulfur-free firecracker propellant, specifically comprising the following steps:
[0036] Step 1. Weigh 170g nitrobamboo cellulose, 4g passivated RDX, 6.6g nitroguanidine, 5g nano boron powder, 5g potassium nitrate, 1.6g ammonium nitrate, 1.2g p-phenylenediamine, 1.2g Diphenylurea, 1g phenyl silicone oil, 0.8g potassium sorbate, 0.4g sodium hexametaphosphate, 1g kasugamycin, 0.6g mesoporous silica, 0.8g functional carboxylated multi-walled carbon nanotubes and 0.8g monolayer Graphene oxide;
[0037] Step 2: divide nitrobamboo cellulose into group I, group II, and group III according to the mass ratio of 0.09:0.2:10; add 1.487 g of nitrobamboo cellulose of group I to 250 mL of ethyl acetate, stir until dissolved at room temperature, and obtain Concentration is 0...
Embodiment 2
[0047] A multifunctional smokeless and sulfur-free firecracker propellant, the mass percentage of each component is as follows:
[0048]
[0049] A method for preparing a multifunctional smokeless and sulfur-free firecracker propellant, specifically comprising the following steps:
[0050] Step 1. Weigh 84g nitrobamboo cellulose, 3.3g passivated RDX, 3g nitroguanidine, 3g nano boron powder, 2g potassium nitrate, 0.9g ammonium nitrate, 0.5g p-phenylenediamine, 0.7g Diphenylurea, 0.5g phenyl silicone oil, 0.3g potassium sorbate, 0.3g sodium hexametaphosphate, 0.4g kasugamycin, 0.5g mesoporous silica, 0.3g functional carboxylated multi-walled carbon nanotubes and 0.3g Monolayer graphene oxide;
[0051] Step 2: divide nitrobamboo cellulose into group I, group II, and group III according to the mass ratio of 0.06:0.17:10; add 0.493 g of nitrobamboo cellulose of group I to 80 mL of ethyl acetate, and stir until dissolved at room temperature to obtain Concentration is 0.679% nit...
Embodiment 3
[0061] A multifunctional smokeless and sulfur-free firecracker propellant, the mass percentage of each component is as follows:
[0062]
[0063] A method for preparing a multifunctional smokeless and sulfur-free firecracker propellant, specifically comprising the following steps:
[0064] Step 1. Weigh 172g nitrobamboo cellulose, 4.4g passivated RDX, 5.2g nitroguanidine, 6.4g nano-boron powder, 3.6g potassium nitrate, 1.6g ammonium nitrate, 0.8g p-phenylenediamine according to the formula ratio , 1.2g diphenylurea, 0.6g phenyl silicone oil, 0.8g potassium sorbate, 0.8g sodium hexametaphosphate, 0.4g kasugamycin, 0.8g mesoporous silica, 0.6g functional carboxylated multi-walled carbon nanotubes and 0.8g single-layer graphene oxide;
[0065] Step 2: divide nitrobamboo cellulose into group I, group II, and group III according to the mass ratio of 0.1:0.25:10; add 1.662 g of nitrobamboo cellulose in group I to 250 mL of ethyl acetate, stir until dissolved at room temperature,...
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