Nitrate ester stabilizing layer for propellant grain

Details Nitrate ester stabilizing layer for propellant grain Nitrate ester stabilizing layer for propellant grain

1987-02-17

1995-03-21

Nelson, Peter A.

Ammunition and explosives

Powder form

Composite type

102291, 199 1993, C06D 506, C06B 4510

Patent

active

053986121

ABSTRACT:
Compositions and methods for increasing the storage life of a propellant grain by reducing the rate of decomposition of its nitrate ester components. A nitrate ester stabilizer is placed in a layer adjacent to a nonburning surface of the propellant grain. The stabilizer migrates from the layer into the grain's nonburning surface to provide additional stabilization for the entire grain, especially portions of the grain adjacent to the protected nonburning surface.

REFERENCES:
patent: 3882784 (1975-05-01), Nauflett et al.
patent: 3882784 (1975-05-01), Nauflett et al.
patent: 3956890 (1976-05-01), Davis
patent: 3994757 (1976-11-01), Dunigan et al.
patent: 3994946 (1976-11-01), Dunigan et al.
patent: 4000025 (1976-12-01), Johnson et al.
patent: 4094712 (1978-06-01), Goddard et al.
patent: 4408534 (1983-10-01), Araki et al.
British Search Report, R. C. Kennell-Search Examiner Date of Search-21 Oct. 1988.

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