Unit charge of propellant powder, which can be fragmented...

Details Unit charge of propellant powder, which can be fragmented... Unit charge of propellant powder, which can be fragmented...

C - Chemistry, Metallurgy

06

B

52/42

C06B 25/20 (2006.01) C06B 25/18 (2006.01) C06B 45/10 (2006.01)

Patent

CA 1127396

A B S T R A C T Unit charge of propellant powder, which can be fragmented and has the ballistic properties of a granular charge. A charge of this type consists of 85 to 97% of grains of propellant powder containing nitrocellulose and 15 to 3% of a thermoplastic energy-producing binder which is in the form of small solid grains, under normal conditions, and has the following composition: (a) 30 to 50% of polyvinyl nitrate, (b) 70 to 40% of nitrocellulose having a low nitrogen content, or polyvinyl acetate or a mixture of the two, and if desired (c) a stabilizer. The use of a solid binder makes it possible to mix the propellant powder with the said binder homogeneously and instantaneously, to introduce precise amounts of the mixture thus obtained into a mould and to simplify the moulding oper- ations.

317931

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