The invention relates generally to propellant stabilizers. The invention also relates to methods of producing a propellant comprising a propellant stabilizer as well as an ammunition cartridge comprising the stabilized propellant. The propellant stabilizer comprises a compound of formula 1 and the
The invention relates generally to propellant stabilizers. The invention also relates to methods of producing a propellant comprising a propellant stabilizer as well as an ammunition cartridge comprising the stabilized propellant. The propellant stabilizer comprises a compound of formula 1 and the propellant comprises a compound of formula 1 and an energetic material.
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1. A propellant comprising: an energetic material; anda compound of formula 1 wherein R1 is selected from the group consisting of H, —OH, —O(C1-4alkyl), —C1-4alkyl, —NHC1-4alkyl, —N(C1-4alkyl)2, —NO2, —NHNH2, —N(C1-4alkyl)NH2, and —CN;R2 is selected from the group consisting of —H, —OH, —O—(C1-4alk
1. A propellant comprising: an energetic material; anda compound of formula 1 wherein R1 is selected from the group consisting of H, —OH, —O(C1-4alkyl), —C1-4alkyl, —NHC1-4alkyl, —N(C1-4alkyl)2, —NO2, —NHNH2, —N(C1-4alkyl)NH2, and —CN;R2 is selected from the group consisting of —H, —OH, —O—(C1-4alkyl), —C1-4alkyl, —NHC1-4alkyl, —N(C1-4alkyl)2, —NO2, —NHNH2, —N(C1-4alkyl)NH2, and —CN;R3 is selected from the group consisting of —H and —C1-4alkyl; andR4 is selected from the group consisting of —H, —OH, —O(C1-4alkyl), —C1-4alkyl, —NHC1-4alkyl, —N(C1-4alkyl)2, —NO2, —NHNH2, —N(C1-4alkyl)NH2, and —CN; wherein at least one of R1, R2 and R4 is OH; and wherein the compound of formula 1 is dispersed evenly throughout the energetic material. 2. The propellant according to claim 1, wherein the energetic material is in the form of granules. 3. The propellant according to claim 1, wherein the energetic material is selected from the group consisting of black powder, ammonium perchlorate, hexogen, butanetrioltrinitrate, ethyleneglycol dintrate, diethyleneglycol dinitrate, erithritol tetranitrate, octogen, hexanitroisowurtzitane, metriol trinitrate, N-methylnitramine, pentaerythritol tetranitrate, tetranitrobenzolamine, trinitrotoluene, nitroglycerine, nitrocellulose, mannitol hexanitrate, triethylene glycol dinitrate, guanidine, nitroguanidine, 3-nitro-1,2,4-triazol-5-one, ammonium nitrate, propanediol dinitrate, hexamine, 5-aminotetrazole, methyltetrazole, phenyltetrazole, polyglycidylnitrate, polyglycidylazide, poly[3-nitratomethyl-3-methyloxitane], poly[3-azidomethyl-3-methyloxitane], poly[3,3-bis(azidomethyl)oxitane], nitrated cyclodextrin polymers, poly glycidylnitrate, and combinations thereof. 4. The propellant according to claim 1, wherein the energetic material is nitrocellulose. 5. The propellant according to claim 1, wherein the compound of formula 1 is 4-(4-hydroxyphenyl)butan-2-one. 6. The propellant according to claim 1, further comprising a graphite layer. 7. A method of preparing a propellant according to claim 1, comprising dispersing the compound of formula 1 evenly throughout an energetic material and granulating the energetic material. 8. The method according to claim 7, wherein the granules of energetic material are formed by forming a slurry or dough of the energetic material and the compound of formula 1, extruding the slurry or dough of the energetic material and the compound of formula 1 to form an extrudate cord and cutting the extrudate cord. 9. The method according to claim 7, wherein the compound of formula 1 is 4-(4-hydroxyphenyl)butan-2-one. 10. An ammunition cartridge comprising a propellant according to claim 1. 11. The ammunition cartridge according to claim 10, further comprising a casing, a primer and a projectile.
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