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Proceedings Paper

Characterization Of Propellants With Burning Rate Promoters By Pyrolysis GC-FTIR
Author(s): Pamela J. Duff
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Paper 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.

Paper Details

Date Published: 20 December 1985
PDF: 2 pages
Proc. SPIE 0553, Fourier and Computerized Infrared Spectroscopy, (20 December 1985); doi: 10.1117/12.970729
Show Author Affiliations
Pamela J. Duff, US Army Ballistic Research Laboratory (United States)

Published in SPIE Proceedings Vol. 0553:
Fourier and Computerized Infrared Spectroscopy
David G. Cameron; Jeannette G. Grasselli, Editor(s)

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