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In situ characterization of the “melt” phase of RDX and HMX by rapid-scan FTIR spectroscopy

✍ Scribed by R.J. Karpowicz; T.B. Brill

Book ID
103042827
Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
570 KB
Volume
56
Category
Article
ISSN
0010-2180

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✦ Synopsis

Direct information on the chemical composition of the "melt" phase of RDX and HMX has been obtained by using newly developed methods of Fourier transform infrared spectroscopy which allow for rapid acquisition of spectra. At a heating rate of about 150°C rain -~ fresh RDX and HMX "'melts" are found to be comprised mostly of intact RDX and HMX molecules. Thermal decomposition products (probably N-hydmxymethylformamide) appear in RDX as the "melt'" ages. Decomposition of HMX below the melting temperature is evident with a formamidelike species being the principal residue in the condensed phase. The molecular structure of RDX and HMX in their respective "'melts" is similar to that present in CD3CN solution.

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Thermal decomposition of energetic materials 3. A high-rate, in situ, FTIR study of the thermolysis of RDX and HMX with pressure and heating rate as variables
✍ Y. Oyumi; T.B. Brill 📂 Article 📅 1985 🏛 Elsevier Science 🌐 English ⚖ 808 KB

In situ, rapid-scan Fourier transform infrared spectroscopy in conjunction with the infrared absorption intensities is used to construct concentration-time profiles for the gaseous products from thermolysis of octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) and hexahydro-1,3,5-trinitro-s-tria