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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.142 SNIP: 0.16 CiteScore™: 0.29

ISSN Imprimer: 2150-766X
ISSN En ligne: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.2018025219
pages 359-366

INVESTIGATION ON COMPATIBILITY AND THERMAL STABILITY OF CL-20 WITH SEVERAL PLASTICIZERS

Xi Li
School of Materials and Chemical Engineering, Bengbu University, Bengbu, Anhui, People's Republic of China; School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu, People's Republic of China
Yin-Yue Qin
School of Materials and Chemical Engineering, Bengbu University, Bengbu, Anhui, People's Republic of China
Lin-Lin Zhu
School of Materials and Chemical Engineering, Bengbu University, Bengbu, Anhui, People's Republic of China
Bo-Liang Wang
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu, People’s Republic of China

RÉSUMÉ

The aim of this work is to explore the compatibility and thermal stability of 2, 4, 6, 8, 10, 12-hexanitro-2, 4, 6, 8, 10, 12-hexaazaisowurtzitane (CL-20) with several plasticizers via differential scanning calorimetry (DSC) and vacuum stability test (VST), for development and optimization of CL-20 based mixed explosives and propellants. The plasticizers tested were either inert, like dioctyl phthalate (DOP), dibutyl sebacate (DOS), and diisononyl adipate (DINA), or energetic like dinitrotoluene (DNT) and bis(2,2-dinitropropyl) formal/acetal (BDNPF/A). DSC results showed that all selected plasticizers were incompatible with CL-20, according to the STANAG 4147 standard. The thermal stability of CL-20 would be decreased in the presence of these plasticizers. Further measurements by the VST test revealed that the CL-20/DOP, CL-20/DOS, CL-20/DINA, CL-20/DNT, and CL-20/BDNPF/A mixtures were compatible with each other. The major reason for the differences between the results of the two techniques was ascribed to the applied temperatures.


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