Desensitisation of energetic materials

Details Desensitisation of energetic materials Desensitisation of energetic materials

C - Chemistry, Metallurgy

06

B

C06B 25/00 (2006.01) C06B 21/00 (2006.01) C06B 45/10 (2006.01) C06B 45/24 (2006.01)

Patent

CA 2301392

An energetic material comprises an energetic crystalline material substantially coated in an energetic plasticiser material. Advantageously the energetic material comprises from 90 to 99% by weight of an energetic crystalline material and from 1 to 10% by weight of an energetic plasticiser material comprising a plasticiser selected from the group comprising Butane Triol trinitrate (BTTN), Trimethylanol ethane trinitrate (TMETN), Diazidonitrazapentane (DANPE), Glycidyl Azide Polymer (Azide Derivative) (GAP Azide), Bis(2,2-dinitropropyl)acetal / bis(2,2-dinitropropyl)formal (BDNPA/F) or mixtures of two or more of these plasticisers. The inventors have found that the combination of just a small quantity of energetic plasticiser material to the energetic crystalline material prior to incorporation into the bulk plasticiser, binder and filler mixture of an explosive or propellant composition has unexpected and advantageous effects.

Matériau énergétique comprenant une substance cristalline énergétique recouverte en grande partie d'un plastifiant énergétique. De préférence, le matériau énergétique contient de 90 à 99 % en poids d'une matière énergétique cristalline et de 1 à 10 % en poids d'un plastifiant énergétique sélectionné dans le groupe comprenant le trinitrate de butanetriol (BTTN), le trinitrate de triméthyloléthane (TMETN), le diazidonitrazapentane (DANPE), un polymère d'azoture de glycidyle (dérivé d'azoture), le bis(2,2-dinitropropyl)acétal/bis(2,2-dinitropropyl)formal (BDNPA/F) ou des mélanges de deux ou plus de deux de ces plastifiants. Les inventeurs ont constaté que la combinaison de juste une petite quantité de plastifiant énergétique avec la matière énergétique cristalline avant l'incorporation dans le plastifiant en vrac, le liant et le mélange de matières de charge d'une composition explosive ou propulsive a des effets imprévus et avantageux.

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