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

1985-01-09

1986-07-01

Beck, Shrive P.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

427221, 102288, 102290, 102292, B05D 122

Patent

active

045979944

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: 3636882 (1972-01-01), Aaronson et al.
patent: 3948697 (1976-04-01), Flanagan et al.
patent: 3992558 (1976-11-01), Smith-Johannsen
patent: 4187215 (1980-02-01), Wrightson
patent: 4354884 (1982-10-01), Williams

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