THE ENVIRONMENTAL BURNING RATE CATALYST FOR AMMONIUM NITRATE BASED PROPPELANTS
In work, a number of environmentally friendly combustion catalysts were studied: iron salicylate, tin and bismuth oxides, and sodium chloride - for the combustion of propellant based on ammonium nitrate and nitrocellulose plasticized with a triple plasticizer. The composition was obtained using rolling and through-pressing. It is shown that iron salicylate has the greatest influence on the burning rate. The effectiveness of the action depends on its amount in the composition and the pressure at which combustion occurs: with an increase in the amount of catalyst, the efficiency of its action increases, and with an increase in pressure it decreases, which leads to a significant decrease in the dependence U(P). It is shown that carbon nanotubes have a lower effect on the efficiency of iron salicylate in the combustion of fuel with ammonium nitrate than on the combustion of ballistic fuels without it. It is shown that SnO2 has a negative effect on propellant combustion, reducing the rate at a pressure of 5 and 15 MPa by 1,1 and 1,4 times