Pot life extension of isocyanate cured propellants by aziridine

Explosive and thermic compositions or charges – Structure or arrangement of component or product – Solid particles dispersed in solid solution or matrix

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149 7, 149 199, 149113, C06B 4510

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active

040199339

ABSTRACT:
The reaction products formed from tri-functional aziridinylphosphine oxides r their derivatives reacted with monofunctional carboxylic acids, the tri-aziridinyl derivatives of triazine, the tri-aziridinyl derivatives of benzenetriacyl, the aziridine compound N-phenethylaziridine, and selected alkyl diaziridine compounds are representive of the aziridine compounds which are utilized in isocyanate curable composite propellant compositions to extend usable pot life required for mixing and processing of the specified compositions. The compositions are comprised of a binder of hydroxy terminated liquid polymer systems, (e.g. hydroxy terminated polybutadiene and the like) selected plasticizers, optional metal fuel, and the inorganic oxidizer, ammonium perchlorate, that is substantially of very fine particle size (less than 20 microns).

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patent: 3725154 (1973-04-01), McCullock et al.
patent: 3745074 (1973-07-01), Allen
Christenson et al., Chem. Abs., 66, No. 38961, (1967).

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