Burn rate modifier
AssigneeThales Australia Limited
InventorsGarry Warrender, Ashley Jones
Life of this patent
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Abstract
The invention relates generally to burn rate modifiers, plasticizers and propellants comprising a burn rate modifier and/or a plasticizer. The invention also relates to methods of producing a propellant comprising a burn rate modifier and/or a plasticizer as well as an ammunition cartridge comprising the propellant. The burn rate modifier and/or plasticiser comprises a compound of formula (1) (Formula (1)) and the propellant comprises a compound of formula 1 and an energetic material.
Claims20
1-20. (canceled)
A propellant comprising:
- an energetic material;
- and
- a compound of formula 1
- wherein
- R1 is selected from the group consisting of —H, —OH, —NHC1-4alkyl, —N(C1-4alkyl)2, —NO2, —NHNH2, —N(C1-4alkyl)NH2, and —CN;
- R2 is selected from the group consisting of —H, —OH, —NHC1-4alkyl, —N(C1-4alkyl)2, —NO2, —NHNH2, —N(C1-4alkyl)NH2, and —CN;
- R3 is selected from the group consisting of —H, —OH, —NHC1-4alkyl, —N(C1-4alkyl)2, —NO2, —NHNH2, —N(C1-4alkyl)NH2, and —CN;
- and
- n is an integer from 1 to 4.
A method of preparing a propellant, comprising coating granules of an energetic material with a compound of formula 1 or dispersing a compound of formula 1 throughout an energetic material and granulating the energetic material, wherein the compound of formula 1 is:
- wherein
- R1 is selected from the group consisting of —H, —OH, —NHC1-4alkyl, —N(C1-4alkyl)2, —NO2, —NHNH2, —N(C1-4alkyl)NH2, and —CN;
- R2 is selected from the group consisting of —H, —OH, —NHC1-4alkyl, —N(C1-4alkyl)2, —NO2, —NHNH2, —N(C1-4alkyl)NH2, and —CN;
- R3 is selected from the group consisting of —H, —OH, —NHC1-4alkyl, —N(C1-4alkyl)2, —NO2, —NHNH2, —N(C1-4alkyl)NH2, and —CN;
- and
- n is an integer from 1 to 4.
Dependencies are inferred from the claim text.