Explosive and thermic compositions or charges – Processes of making
Patent
1994-05-31
1996-01-23
Walsh, Donald P.
Explosive and thermic compositions or charges
Processes of making
264 33, D03D 2300, D03D 4300
Patent
active
054862485
ABSTRACT:
The solvent-free gas generant composition of this invention, comprising an oxidizer and a thermosettable resin, cures in about an hour or less at room temperature and within 5 minutes at 135.degree. F. Void-free and crack-free gas generant grains are formed and cured in an extrusion process in which the temperature may be from about room temperature to about 200.degree. F. The thermosettable resin is at least one of the group consisting of an acrylate-terminated polybutadiene, a hydroxy-terminated polybutadiene/diisocyanate reaction product, an ester of a polybutadiene polycarboxylic acid and an epoxy modified polybutadiene and/or a hydroxyl-terminated polybutadiene, and a styrene/polyester copolymer.
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Studies on Composite Extrudable Propellant with Varied Burning Rate Pressure Index "n"; Def. Sci. J, vol. 39, No. 1, Jan. 1989, pp. 1-12; T. L. Varghese et al.
Andros Marc R.
Taylor Robert D.
Chi Anthony R.
Didrick Robert M.
Morton International Inc.
Walsh Donald P.
White Gerald K.
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