Method of producing progressively burning artillery...

Details Method of producing progressively burning artillery... Method of producing progressively burning artillery...

C - Chemistry, Metallurgy

06

B

52/49, 52/50

C06B 21/00 (2006.01) B05D 1/02 (2006.01) B05D 7/00 (2006.01) C06B 23/04 (2006.01) C08G 18/42 (2006.01) F42B 5/196 (2006.01)

Patent

CA 1227933

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.

471912

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