期刊
THERMOCHIMICA ACTA
卷 666, 期 -, 页码 181-189出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.tca.2018.06.020
关键词
Burning rate; Ammonium perchlorate; Catalysis
资金
- FONDECYT [1161297]
- Laboratory of Energy Materials from Institute of Research and Control (IDIC) of the Chilean Army
- supercomputing infrastructure of the NLHPC [ECM-02]
This contribution describes the catalytic activity of homobimetallic complexes derived from p-phenylene on the thermal decomposition of ammonium perchlorate (abbreviated as AP). The complexes, [CpFe-p-Ph-FeCp] (1), [Cp*Fe-p-Ph-FeCp] (2), [CpFe-p-Ph'-FeCp] (3) and [Cp*Fe-p-Ph'-FeCp] (4) (with p-Ph: p-Bis(3,4-dimethylcyclopentadienyl)benzene and p-Ph': p-Bis(2,3,4,5-tetramethylcyclopentadienyl)benzene), were compared with the catalytic activity of the catocene (cat) complex previously reported. Furthermore, in order to clarify the mechanism of the bimetallic compounds, it was tested ferrocene (Fe), frequently used as burning rate (BR) catalyst on the thermal decomposition of AP. The synthetized compounds shown a shift on the peak temperature to lower values and an increase in the released heats during thermal decomposition of AP. The burning rate catalytic activity of the compounds on thermal decomposition of AP were examined by thermogravimetry and differential scanning calorimetry techniques. Theoretical calculations of these compounds were carried out to gain further understanding of these catalysts systems.
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