Structurally-strong solid propellants

Details Structurally-strong solid propellants Structurally-strong solid propellants

1980-03-13

1991-09-10

Miller, Edward A.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

149 199, 560355, C06B 4510

Patent

active

050470973

ABSTRACT:
A diisocyanate crosslinking agent having a minimum chain length of methylene groups from 25 to 45 which has a coiling-uncoiling ability in a cured solid propellant composition (under stress and relaxing of stress) as a result of the chain length and configuration imparts superior structural strength to the solid propellant composition. A preferred species is 1,37-heptatriacontane diisocyanate, OCN--(CH.sub.2).sub.37 --NCO, which is employed as an effective crosslinking agent in hydroxyl-terminated polybutadiene propellants.

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Hawley, "The Condensed Chemical Dictionary", 9th Ed., p. 302, Van Nostrand einhold Co. (1977), New York.

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