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US 10,246,381 B2Granted
Stabilized nitrocellulose-based propellant composition
AssigneePb Clermont SA
InventorsAlain Dejeaifve, Vincent Berton, Rowan Dobson
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Abstract
The present invention concerns a nitrocellulose-based propellant composition comprising: (a) a nitrate ester based propellant consisting of nitrocellulose alone (single base) or in combination at least with a blasting oil (double or higher base); and (b) a stabilizer consisting of a general formula (I): Wherein the stabilizer combines efficient, long term stability of the nitrocellulose-based propellants composition without formation of any detectable amounts of carcinogenic or mutagenic by-products, such as —NNO groups.
Claims18
A nitrocellulose-based propellant composition comprising
- (a) a nitrate ester based propellant, and
- (b) a stabilizer consisting of a general formula (I):
- wherein:
- R1 represents, alkyl substituted or not;
- R2 represents:
- (i) H;
- (ii) unsaturated alkyl group;
- R3 represents, H, alkyl substituted or not, or OR8;
- R4 represents, alkyl substituted or not, aromatic ring substituted or not, or OR8;
- R5 represents, alkyl substituted or not, aromatic ring substituted or not, or OR9;
- R6 represents, aromatic ring substituted or not;
- R7 represents, alkyl substituted or not;
- R8 represents, alkyl substituted or not, or aromatic ring substituted;
- R9 represents, alkyl substituted or not, or aromatic ring substituted.
11 more elements
Dependencies are inferred from the claim text.