Influence of some additives on burning rate of KNO3-based compositions

Nguyen Duy Tuan; Denisuyk A. P.; Doan Minh Khai; Sizov V. A.

doi:10.15625/2525-2518/17077

Author affiliations

Authors

Nguyen Duy Tuan Le Quy Don Technical University, 236 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
Denisuyk A. P. Mendeleev University of Chemical Technology of Russia, 9 Miusskaya Square, 125047 Moscow, Russia
Doan Minh Khai Le Quy Don Technical University, 236 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam https://orcid.org/0000-0002-8501-6620
Sizov V. A. Mendeleev University of Chemical Technology of Russia, 9 Miusskaya Square, 125047 Moscow, Russia

DOI:

https://doi.org/10.15625/2525-2518/17077

Keywords:

KNO3, catalyst, carbon nanotubes, burning rate

Abstract

In this article effect of some additives on combustion behaviour of high energetic compositions based on KNO₃ was studied. The KNO₃-based samples were made by mixing, rolling, and pressing. Investigated additives were: copper salicylate, nickel salicylate, copper-lead phthalate, nickel-lead phthalate, soot and carbon nanotubes. Burning rate was determined by the pressure increasing by using modification of the corner point method. It is shown that individual additives insignificantly effect on the burning rate of studied samples. The carbon nanotubes brand TMD with specific surface area ~270 m²/g and copper salicylate are the most effective additives on the burning rate. It should be noted that copper salicylate with carbon nanotubes have a significantly greater effect on the burning rate than individual additives or the catalyst with soot.

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