Characterization Of Propellants With Burning Rate Promoters By Pyrolysis GC-FTIR

Pamela J. Duff

doi:10.1117/12.970729

20 December 1985 Characterization Of Propellants With Burning Rate Promoters By Pyrolysis GC-FTIR

Pamela J. Duff

Proceedings Volume 0553, Fourier and Computerized Infrared Spectroscopy; (1985) https://doi.org/10.1117/12.970729
Event: 1985 International Conference on Fourier and Computerized Infrared Spectroscopy, 1985, Ottawa, Canada

Abstract

Pyrolysis GC-FTIR has been used to study the effects of burning rate promoters on decomposition products of nitramine propellants. The nitramine materials studied are cyclotrimethylenetrinitramine (RDX) and cyclotetramethylenetetranitramine (HMX), and the burning rate promoters consist of an organic and in inorganic salt of the BloH10-2 anion. The samples have been pyrolyzed under controlled conditions of heating rate and duration, and were separated using both packed column (with thermal conductivity detection) and capillary column (with flame ionization detection) chromatography. Both the packed and capillary columns yielded peaks which were not identifiable on the basis of retention times; consequently, FTIR was used to elucidate the structure of these components. In some cases, components not separated chromatographically were individually determined by their FTIR spectra. Also, peaks from various runs having similar retention times were found to have different chemical structures from their spectra. DSC results for RDX and RDX mixtures are also shown.

Citation Download Citation

Pamela J. Duff "Characterization Of Propellants With Burning Rate Promoters By Pyrolysis GC-FTIR", Proc. SPIE 0553, Fourier and Computerized Infrared Spectroscopy, (20 December 1985); https://doi.org/10.1117/12.970729

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