Explosive and thermic compositions or charges – Structure or arrangement of component or product – Solid particles dispersed in solid solution or matrix
Patent
1983-04-01
1987-04-07
Miller, Edward A.
Explosive and thermic compositions or charges
Structure or arrangement of component or product
Solid particles dispersed in solid solution or matrix
264 31, C06B 2100, C06B 4510
Patent
active
046558608
ABSTRACT:
The effectiveness of the burning rate accelerator, iron oxide (Fe.sub.2 Ob.3), is enhanced, and a markedly improvement in the mechanical properties of a propellant composition are simultaneously achieved as a result of grinding a composite propellant paste in a roller mill instead of in a conventional sigma blade propellant mixer. The propellant paste is composed of a hydroxyl-terminated polybutadiene prepolymer, fluid-energy mill-ground ammonium perchlorate, dioctyl adipate, aluminum oxide, isophthaloyl bis-1-(2-methylaziridine), and iron oxide. The final product has a higher stress capability, higher strain capability, higher modulus, and higher gel fraction, and a burning rate that is about 80% higher as compared with sigma blade propellant ground and mixed propellant.
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Bellamy Werten F. W.
Bush Freddie M.
Miller Edward A.
Raubitschek John H.
The United States of America as represented by the Secretary of
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