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Abstract  

The thermal decomposition characteristics of1,7-diazido-2,4,6-trinitrazaheptane (DATH) and multi-component systems containing DATH were studied by using DSC, TG and DTG techniques. Three –NO2 groups in the DATH molecule break away first from the main chain when DATH is heated up to 200C. Following this process, the azido groups and the residual molecule decompose rapidly to release a great deal of heat within a short time. In the multi-component systems, DATH undergoes a strong interaction with the binder of the double-base propellant and a weak interaction with RDX. The burning rates of the two propellants were determined by using a Crawford bomb. The results showed that the burning rate rises by about 19–66% when 23.5%DATH is substituted for RDX in a minimum smoke propellant. Meanwhile, the N2 level in the combustion gases is enhanced, which is valuable for a reduction of the signal level of the solid propellant.

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. Indian Phytopathology 34 325 329 Tewari, S. N. and Dath, A. P. (1984): Effect of leaf extract media of some

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Devadath, S. and Premalatha Dath, A. (1970): Screening antibiotics and chemicals against bacterial blight of rice. Oryza 7, 33-38. Screening antibiotics and chemicals against bacterial

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