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Detonation Chemistry Of Glycidyl Azide Polymer

Published online by Cambridge University Press:  10 February 2011

Ping Ling ,
Jill Sakata  and
Charles A. Wight
Ping Ling
Affiliation:
Chemistry Department, University of Utah, Salt Lake City, UT 84112, wight@chemistry.utah.edu
Jill Sakata
Affiliation:
Chemistry Department, University of Utah, Salt Lake City, UT 84112, wight@chemistry.utah.edu
Charles A. Wight
Affiliation:
Chemistry Department, University of Utah, Salt Lake City, UT 84112, wight@chemistry.utah.edu
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Abstract

The initial step of chemical reaction initiated by laser-generated shock waves has been observed in glycidyl azide polymer (GAP) in condensed phase. Shocks are generated by pulsed laser vaporization of thin aluminum films and launched into adjacent films of GAP at 77 K. Comparison of FIIR spectra obtained before and after shock passage shows that initial reaction involves elimination of molecular nitrogen from the azide functional groups of the polymer. The shock arrival time has been measured by a velocity interferometer as a function of thickness of GAP and laser fluence. The shock pressure has been calculated by using a universal liquid state Hugoniot. A simple model is proposed to calculate shock velocity and pressure as a function of laser fluence. The results are in agreement with experimental data.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 418: Symposium GG – Decomposition, Combustion, and Detonation Chemistry of Energetic Materials , 1995 , 363
Copyright
Copyright © Materials Research Society 1996

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