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Proceedings Paper

Characterization of plasticizers in solid propellant formulations by FTIR-microscopic, FTIR-photoacoustic, and GC-FTIR techniques
Author(s): Rose A. Pesce-Rodriguez; Robert A. Fifer
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Paper Abstract

Investigation of plasticizer levels in solid propellants has been carried out using three FTIR techniques: FTIR-microscopy (FTIR-mic), photoacoustic-FTIR (PA-FTIR), and gas chromatography-FTIR (GC-FTIR). Two plasticizers have been examined; only one of these appears to have a tendency to evaporate from the solid propellants. It was observed that when both plasticizers are present in the same formulation, evaporation of the more volatile plasticizer is notably decreased. Significantly higher levels of plasticizer and polymeric binder have been found at extruded surfaces than have been found in the interior of the grain. Desorption-GC-FTIR analysis revealed a relationship between processing conditions and residual solvent content.

Paper Details

Date Published: 1 March 1992
PDF: 3 pages
Proc. SPIE 1575, 8th Intl Conf on Fourier Transform Spectroscopy, (1 March 1992); doi: 10.1117/12.56420
Show Author Affiliations
Rose A. Pesce-Rodriguez, U. S. Army Ballistic Research Lab. (United States)
Robert A. Fifer, U. S. Army Ballistic Research Lab. (United States)

Published in SPIE Proceedings Vol. 1575:
8th Intl Conf on Fourier Transform Spectroscopy
Herbert Michael Heise; Ernst Heiner Korte; Heinz W. Siesler, Editor(s)

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