Chlorine-free low-melting-point thermoplastic gas generating agent and preparation method thereof
A gas generating agent, low melting point technology, applied in the production of compressed gas, attack equipment, explosives, etc., can solve the problems of low energy level, high burning rate and pressure index, achieve zero waste rate, improve the effect of intrinsic safety
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[0040] Example 1
[0041] (1) Composition of non-chlorine low melting point thermoplastic fuel gas generator
[0042] Oxidizing agent (modified ammonium nitrate): 70%; cooling agent (ammonium oxalate): 10%; combustion regulator (chromium trioxide): 1%; binder (EVA420): 10%; plasticizer (decane Dioctyl acid): 7%; auxiliary (tris[1,-(2-methylaziridine)] phosphine oxide): 0.3%; auxiliary (silane coupling agent): 0.2%; auxiliary (N ,N-diphenyl-p-phenylenediamine): 1.2%; auxiliary (carbon black): 0.3%
[0043] (2) Performance of non-chlorine low melting point thermoplastic fuel gas generator
[0044] Specific impulse: 1848.06 N*s / kg; combustion temperature: 938.47 o C; characteristic speed: 1067.14 m / s; average molecular weight of fuel gas: 21.8 g / mol; melting point: 81.3 o C; Air volume: 1184.9 L / Kg; Residue content: 2.4%; Pressure index (3MPa~9MPa): 0.48
Example Embodiment
[0045] Example 2
[0046] (1) Composition of non-chlorine low melting point thermoplastic fuel gas generator
[0047] Oxidizer (modified ammonium nitrate): 72%; cooling agent (dihydroxyglyoxime): 10%; combustion regulator (chromium trioxide): 0.5%; combustion regulator (vanadium pentoxide): 1.5%; Adhesive (EVA420): 8%; plasticizer (acetyl triethyl citrate): 6%; auxiliary (alcoholamine complex): 0.2%; auxiliary (aluminate coupling agent): 0.6 %; additives (N,N-diphenyl-p-phenylenediamine): 0.5%; additives (carbon black): 0.7%
[0048] (2) Performance of non-chlorine low melting point thermoplastic fuel gas generator
[0049] Specific impulse: 1951.14 N*s / kg; combustion temperature: 1122.5 o C; characteristic velocity: 1213.18 m / s; average molecular weight of fuel gas: 22.3 g / mol; melting point: 82.1 o C; Air volume: 1152.0 L / Kg; Residue content: 2.5%; Pressure index (3MPa~9MPa): 0.51
Example Embodiment
[0050] Example 3
[0051] (1) Composition of non-chlorine low melting point thermoplastic fuel gas generator
[0052] Oxidizer (modified ammonium nitrate): 65%; cooling agent (dihydroxyglyoxime): 8%; cooling agent (calcium carbonate): 5%; combustion regulator (vanadium pentoxide): 0.4%; combustion regulator (Ferric oxide): 0.6%; adhesive (EVA420): 9%; plasticizer (acetyl triethyl citrate): 6%; plasticizer (mineral oil): 2%; additives (three [1,-(2-methylaziridine)] phosphine oxide): 0.4%; auxiliary (aluminate coupling agent): 1.2%; auxiliary (N,N-diphenyl-p-phenylenediamine) :1.8%; additives (carbon black): 0.6%
[0053] (2) Performance of non-chlorine low melting point thermoplastic fuel gas generator
[0054] Specific impulse: 1746.92 N*s / kg; combustion temperature: 915.49 o C; characteristic speed: 1008.94 m / s; average molecular weight of fuel gas: 23.1 g / mol; melting point: 82.5 o C; Air volume: 1072.5 L / Kg; Residue content: 2.61%; Pressure index (3MPa~9MPa): 0.54
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