Preparation and Thermal Properties of Fine LLM-105 with Different Crystal Form

doi:10.3969/j.issn.1006-9941.2011.05.009

Home > Archive>Volume 19, Issue 5, 2011 >523-526. DOI:10.3969/j.issn.1006-9941.2011.05.009

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Xi’an Modern Chemistry Research Institute,Xi’an Modern Chemistry Research Institute, Xi’an 710065, China,Xi’an Modern Chemistry Research Institute, Xi’an 710065, China,Xi’an Modern Chemistry Research Institute, Xi’an 710065, China,Xi’an Modern Chemistry Research Institute, Xi’an 710065, China,Xi’an Modern Chemistry Research Institute, Xi’an 710065, China

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Abstract:

Two kinds of resemble sphere and cubic crystals of 2,6-diamino-3,5-dinitropyrazine-1-oxide(LLM-105) were prepared using solvent-nonsolvent recrystallization technology. The average particle (D₅₀) is 2.750 μm and 6.206 μm,impact sensitivity(H₅₀) is 35.5 cm and 34.7 cm,respectively. Thermal properties of LLM-105 were analyzed with thermogravimetry-derivative thermogravimetry（TG-DTG） and differential scanning calorimetry（DSC）. Thermal decomposition kinetics parameters of LLM-105 were obtained by Kissinger equation. The value of activation energy,pre-exponential factor and linear correlation coefficient is 257.55 kJ·mol^-1,3.3×10¹⁹ s^-1 and 0.9930,respectively.

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王友兵,葛忠学,王伯周,等.细颗粒LLM-105的制备及其热性能[J].含能材料,2011,19(5):523-526.
WANG You-bing, GE Zhong-xue, WANG Bo-zhou, et al. Preparation and Thermal Properties of Fine LLM-105 with Different Crystal Form[J]. Chinese Journal of Energetic Materials,2011,19(5):523-526.

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Received:September 08,2010
Revised:June 30,2011
Adopted:May 31,2011
Online: February 22,2012
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