Method of generating crosslinking sites on the surface of ammoni

Explosive and thermic compositions or charges – Structure or arrangement of component or product – Coated component

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Details

149 194, 149 199, 149 76, 1491096, C06B 4522

Patent

active

047087544

ABSTRACT:
A method of generating reactive crosslinking sites on the surface of the onium perchlorate particles contained in a Catocene-catalyzed, high-burning rate solid propellant composition by a processing agent which also results in a major improvement in the processibility thereof. The fluid state of the propellant is retained during mixing as a result of interaction between the processing agent prepared prior to incorporating it or when the processing agent is prepared in situ during the propellant mix cycle. There are two alternates available toward improving the processibility of Catocene-catalyzed, high-burning rate propellants. These are: a. The synthesis of a condensation product (processing agent) by the interaction at room temperature of 1,3,5,7,9-pentaazanonane, acrylonitrile, oxiranylmethanol and octadecyl isocyanate in predetermined ratios; or b. Incrementally adding the octadecyl isocyanate to the propellant mix which incorporates the glycidol reaction product of cyanoethyl-substituted tetraethylenepentamine (Tepanol). A major improvement in processing can be effected as a result of the additions of octadecyl isocyanate in 1,2, or 3 increments to the Tepanol-containing mix.

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