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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.149 SNIP: 0.16 CiteScore™: 0.29

ISSN Imprimer: 2150-766X
ISSN En ligne: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.2012005265
pages 59-87

EVALUATION OF GIM AS A GREENER INSENSITIVE MELT-CAST EXPLOSIVE

Guy Ampleman
Defence Research and Development Canada, Valcartier, 2459 Pie-XI Blvd. North, Quebec, Canada
Patrick Brousseau
Defence Research and Development Canada − Valcartier, 2459 Pie-XI Blvd North, Quebec, Canada G35 ix5
Sonia Thiboutot
Defence Research and Development Canada, Valcartier, 2459 Pie-XI Blvd. North, Quebec, Canada
Sylvie Rocheleau
Biotechnology Research Institute, National Research Council, Montreal K1A 0R6, Canada
Fanny Monteil-Rivera
Biotechnology Research Institute, National Research Council, Montreal K1A 0R6, Canada
Zorana Radovic-Hrapovic
Biotechnology Research Institute, National Research Council, Montreal K1A 0R6, Canada
Jalal Hawari
Biotechnology Research Institute, National Research Council, 6100 Royalmount Av, Montreal (PQ), H4P 2R2, CANADA
Geoffrey I. Sunahara
Biotechnology Research Institute, National Research Council, 6100 Royalmount Av, Montreal (PQ), H4P 2R2, CANADA
Richard Martel
Institut National de la Recherche Scientifique, Centre Eau, Terre et Environnement, Quebec, Canada
Sebastien Cote
Institut National de la Recherche Scientifique−Centre Eau, Terre et Environnement, Quebec G1K 9A9, Canada
Sylvie Brochu
Defence Research and Development Canada (DRDC) Valcartier Research Center Quebec, Canada G3J 1X5
Serge Trudel
Defence Research and Development Canada − Valcartier, 2459 Pie-XI Blvd North, Quebec, Canada G35 ix5
Pascal Beland
Defence Research and Development Canada − Valcartier, 2459 Pie-XI Blvd North, Quebec, Canada G35 ix5
Andre Marois
Defence Research and Development Canada (DRDC), Valcartier, Quebec G3J1X5, Canada

RÉSUMÉ

For years, DRDC Valcartier has invested efforts at developing energetic thermoplastic elastomers (ETPEs) based on linear glycidyl azide polymers to serve as energetic binders and replacing the thermoset matrix in insensitive explosives. It was first observed that introducing ETPEs in their melted form was not an easy task because high and nonpractical viscosities were encountered in the process. It was discovered that 2,4,6-trinitrotoluene (TNT) could be used in its melted form as an organic solvent to dissolve the ETPE and allow its incorporation into the insensitive formulations. Using these ETPEs led to the development of a greener insensitive melt-cast explosive named green insensitive munitions (GIM). This new explosive was intensely studied. The mechanical properties and proportions of ETPE in the formulations were optimized to obtain a melt cast with low viscosity while leading to an insensitive explosive formulation. Work was conducted on GIM explosives to test their performance and sensitivity, fate and behavior with regard to the environment, their recycling capability, and toxicity. This paper describes the results of all experiments conducted so far to test these aspects of GIM explosives. The preparation of the ETPEs and the GIM explosives will also be briefly described.


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