Method of producing progressively burning artillery propellant p

Details Method of producing progressively burning artillery propellant p Method of producing progressively burning artillery propellant p

1986-01-14

1987-03-31

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Coated component

149 6, 149 7, 149 10, 149 11, 102290, 102291, 102292, C06B 4518

Patent

active

046540938

ABSTRACT:
The invention relates to a general method of producing progressively burning deterrent-coated powder, more particularly propellant powder for weapons having barrels. According to the method a film-forming, preferably polymerizable deterrent substance is fed to the powder loosely or dispersed in a liquid phase which is thereafter driven off. The invention also relates to a method of giving a deterrent coating to granular powder or powder cut up in to short pieces (so-called tubular powder) in a fluidized bed. Finally, the invention relates to a special deterrent substance in the form of a water-dispersable polyurethane built up on an aliphatic isocyanate and a caprolacton polyester.

REFERENCES:
patent: 3682726 (1972-08-01), Stiefel
patent: 3704185 (1972-11-01), Cooner
patent: 3743554 (1973-07-01), Mellow
patent: 3798085 (1974-03-01), Mellow
patent: 4350542 (1982-09-01), Kincaid et al.
patent: 4597994 (1986-07-01), Bolinder et al.

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