Nitrocellulose Composition And Uses Therefor
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United States of America Patent
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Issued Date -
Aug 13, 2009
app pub date -
Feb 7, 2008
filing date -
Feb 7, 2008
priority date (Note) -
Abandoned
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Abstract
A nitrocellulose composition comprises an admixture comprising: from about 75 weight percent to about 85 weight percent nitrocellulose; and from about 15 weight percent to about 25 weight percent camphor, based upon the weight of the admixture; and from about 1 weight percent to about 5 weight percent of a stabilizer (based on the total weight of the composition), wherein the stabilizer is chosen from the group consisting of N,N-Diethyl-N,N′-diphenylurea, N,N′-Dimethyl-N,N′-diphenylurea, 1,1-Diphenylurea, N-methyl-N,N′-diphenylurea, 1-Ethyl-3,3′-diphenylurea, Diphenylamine, 2-Nitro-diphenylamine, 4-Nitro-diphenylamine; Triphenylamine; p-Nitro-N-methylaniline, p-Nitro-ethylaniline, soybean oil, castor oil, sodium silicate, lactic acid amide, and benzonate; and from about 1 weight percent to about 5 weight percent of azodicarbonic acid diamide, based on the total weight of the composition. The composition is heated at a temperature sufficient to cause it to polymerize, after which it is formed into sheets, from which components for munitions, such as artillery, small arms, modular artillery charge systems and mortar increments are formed. The components of the mortar increments are joined together, and after being filled with a propellant composition, one or more mortar increments is attached to a mortar shell.
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