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Influence of 2,6-Diamino-3,5-dinitropridine-1-oxide on the Proferties of RDX

Author: XueShuBo
Tutor: LiuZuLiang
School: Nanjing University of Technology and Engineering
Course: Applied Chemistry
Keywords: Applied Chemistry Dynamite RDX ANPyO Coating method
CLC: TQ560.1
Type: Master's thesis
Year: 2010
Downloads: 75
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Abstract


In this paper, the RDX is the main explosives , 2,6 - diamino -3,5 - nitropyridine 1 - oxide (ANPyO) for the preparation of complex ANPyO / RDX propellant . Coating process ANPyO of RDX by orthogonal test and single-factor test research ; by changing the experimental process ( coating method and the hybrid method ) and the ratio of raw materials the ANPyO RDX performance ; using scanning electron microscopy (SEM tester ), laser particle size , differential scanning calorimetry method ( DSC ) , thermal gravimetric analysis (TG), mechanical sensitivity and detonation velocity test prepared ANPyO / RDX composite structure and performance characterization . The study results show that : the the toluene solution suspension method RDX coated with ANPyO , affect the coating effect factor in the size of the order is : stirring speed gt ; temperature gt; vacuum degree gt ; drops of acceleration , to get a better coating process conditions for the : feed rate 0.02ml.s-1, temperature 55 ° C , the vacuum degree of 0.06 MPa, stirring speed of 10 r · s -1 . With respect to the blending method is concerned , the coated samples prepared ANPyO better covering effect of RDX , particle size distribution is more uniform ; lower than RDX of the decomposition peak temperature values ??of the prepared samples of the two methods , the coated samples prepared decomposition peak temperature value is higher than the mixing about 10 ℃ ; sense of reduction effect of the coating method is more than mixing a relatively small impact on the detonation velocity . The the the cladding prepared ANPyO / RDX composite ANPyO with the RDX better quality ratio m ( ANPyO ) : m ( RDX) = 1:9 , under this condition , the effect of lowering sense comparison significant , impact sensitivity and friction sensitivity is reduced to 44% and 32% , a smaller impact on the detonation velocity of the charge density of 1.73 g · cm-3 detonation velocity of 8142 m · s - 1 , and lower cost .

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CLC: > Industrial Technology > Chemical Industry > Explosives industry, match industry > General issues. > Basic theory
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