Preparation, characterization, and thermal decomposition catalytic activity of novel combustion rate catalysts

• Autorzy: Yao Yajing , Hu Shuangqi

Identyfikatory

DOI

10.2478/msp-2024-0036

• Języki publikacji: EN

Abstrakty

EN

The study successfully synthesized a combustion catalyst consisting of copper atoms anchored onto a carbon black support. The 2,4,6,8,10,12-hexanitrohexaazaisowurtzitane (CL-20), 1,1-diamino-2,2-dinitroethylene (FOX-7), cyclotetramethylene-tetranitramine, and ammonium perchlorate energetic materials were studied and analyzed using high-temperature pyrolysis process and catalytic oxidation thermal decomposition kinetics analysis. The research results indicate that the addition of the catalyst CB@Cu significantly reduces the activation energy during the pyrolysis process of energetic materials, leading to an earlier decomposition temperature and a significant catalytic effect. After adding catalyst CB@Cu, the endothermic peaks of the three energetic materials shifted toward lower temperatures, but the magnitude of the movement was relatively small. The maximum thermal decomposition temperature has been reduced by 3–5°C compared to that before the addition of the catalyst. At lower temperatures, the catalyst has a better catalytic effect on the energetic materials. The catalyst indicates the formation of electron transfer and the presence of metal Cu ligands, increasing the number of active sites with energetic materials, making the heat release of energetic materials more concentrated and increasing the degree of thermal decomposition.

Słowa kluczowe

EN

energetic materials; pyrolysis; catalyzer; catalytic activity

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2024
• Tom: Vol. 42, No. 3
• Strony: 160--170
• Opis fizyczny: BIbliogr. 24 poz., rys., tab.

Twórcy

autor

Yao Yajing

• School of Environment and Safety Engineering, North University of ChinaTaiyuan, China

autor

Hu Shuangqi

• School of Environment and Safety Engineering, North University of ChinaTaiyuan, China

Bibliografia

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