Impact Sensitivity of RDX and Viton Compositions Prepared by Co-precipitation Method

Desensitisation of explosive materials using polymers is an important area in safe utilisation of explosives in various applications. The RDX/viton composition has been developed using co-precipitation method with varying content of viton, ranging from 5 to 35 wt per cent. RDX and viton were dissolv...

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Published inDefense science journal Vol. 65; no. 4; pp. 287 - 291
Main Authors Wagh, P. B., Ingale, S. V., Kumar, Ratanesh, Naina, R.H., Kaushik, T. C., Gupta, Satish C.
Format Journal Article
LanguageEnglish
Published New Delhi Defence Scientific Information & Documentation Centre 01.07.2015
Subjects
Acetone
Chemical precipitation
Coprecipitation
Defence
Explosions
Explosives
Friction
Infrared spectroscopy
Materials science
Polymers
RDX
Trends
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Summary:Desensitisation of explosive materials using polymers is an important area in safe utilisation of explosives in various applications. The RDX/viton composition has been developed using co-precipitation method with varying content of viton, ranging from 5 to 35 wt per cent. RDX and viton were dissolved in acetone which is a common solvent for RDX and viton, and then the acetone was extracted from the solution by distillation resulting in homogeneous RDX/viton composition. Infrared spectroscopy studies indicated presence of RDX and viton in the resulting compositions. Thermogravimetric and differential thermal analysis studies made on yielded compositions confirmed that RDX is present in the composition in desired content. The shift in exotherm of RDX/viton composition as compared to RDX showed that polymer-bonded RDX compositions are more stable. The impact sensitivity studies showed that sensitivity of RDX/viton composition decreased with increasing content of viton. The similar trend was observed for friction sensitivity. The co-precipitation method has been found to be advantages to obtain homogeneous composition of RDX and viton (with viton content up to 25 wt per cent) as revealed by linear trend in sensitivity data measurements. It has been demonstrated that the sensitivity of RDX can be tailored within a wide range using viton so as to suit in desired applications. Defence Science Journal, Vol. 65, No. 4, July 2015, pp. 287-291, DOI: http://dx.doi.org/10.14429/dsj.65.8647
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ISSN:0011-748X
0976-464X
DOI:10.14429/dsj.65.8647