碳纳米管及碳黑对BNCP感度性能的影响
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摘要
采用DSC、GJB5891.22,24,25,27-2006方法研究了掺杂碳纳米管(CNTs)及碳黑(CB)对高氯酸.四氨.双(5-硝基四唑)合钴(Ⅲ)(BNCP)的热、撞击、摩擦、火焰、静电火花和激光感度的影响。结果表明:(1)碳纳米管和碳黑能够降低半导体激光起爆BNCP发火阈值;(2)掺杂5%CNTs和5%CB的BNCP的50%激光发火阈值分别为13.76和5.06 mJ;(3)在加热速率为10℃·min-1的条件下,BNCP、BNCP/CNTs、BNCP/CB主要放热分解峰温度分别为289.87,277.75,276.67℃;(4)撞击、火焰感度:BNCP>BNCP/CNTs>BNCP/CB;摩擦感度:BNCP/CB>BNCP/CNTs>BNCP;静电火花感度:BNCP/CB>BNCP>BNCP/CNTs。
Sensitivities to heat,laser,impact,friction,flame and electrostatic spark for tetraamnine bis(5-nitrotetrazolato) cobalt(Ⅲ) perchlorate(BNCP) and BNCP doped with carbon nanotubes(CNTs) and carbon black(CB) were measured and studied by DSC,laser sensitivity test and standardization methods GJB5891.22,24,25,27-2006.Results show that(1) CNTs and CB make the semiconduction laser initiation threshold value of BNCP decrease;(2) the 50% ignition threshold values of BNCP doped with 5% CNTs and 5% CB are 13.76 mJ and 5.06 mJ,respectively;(3) the peak temperature of main exothermic decomposition reaction at a heating rate of 10 ℃·min-1 for BNCP,BNCP/CNTs 10-20 nm mixture and BNCP/CB mixture are 289.87 ℃,277.75 ℃ and 276.67 ℃,respectively;(4) the sensitivity decreases in the order BNCP>BNCP/CNTs>BNCP/CB for impact and flame sensitivity,BNCP/CB>BNCP/CNTs>BNCP for friction sensitivity,and BNCP/CB>BNCP>BNCP/CNTs for electrostatic spark sensitivity.
Sensitivities to heat,laser,impact,friction,flame and electrostatic spark for tetraamnine bis(5-nitrotetrazolato) cobalt(Ⅲ) perchlorate(BNCP) and BNCP doped with carbon nanotubes(CNTs) and carbon black(CB) were measured and studied by DSC,laser sensitivity test and standardization methods GJB5891.22,24,25,27-2006.Results show that(1) CNTs and CB make the semiconduction laser initiation threshold value of BNCP decrease;(2) the 50% ignition threshold values of BNCP doped with 5% CNTs and 5% CB are 13.76 mJ and 5.06 mJ,respectively;(3) the peak temperature of main exothermic decomposition reaction at a heating rate of 10 ℃·min-1 for BNCP,BNCP/CNTs 10-20 nm mixture and BNCP/CB mixture are 289.87 ℃,277.75 ℃ and 276.67 ℃,respectively;(4) the sensitivity decreases in the order BNCP>BNCP/CNTs>BNCP/CB for impact and flame sensitivity,BNCP/CB>BNCP/CNTs>BNCP for friction sensitivity,and BNCP/CB>BNCP>BNCP/CNTs for electrostatic spark sensitivity.
引文
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[2]顾克壮,李晓东,杨荣杰.碳纳米管对高氯酸铵燃烧和热分解的催化作用[J].火炸药学报,2006,29(1):48-51.GU Ke-zhuang,LI Xiao-dong,YANG Rong-jie.Catalytic action on com-bustion and thermal decomposition of AP with CNTs[J].Chinese Journalof Explosives and Propellants,2006,29(1):48-51.
[3]崔平,李凤生,周建,等.碳纳米管/高氯酸铵复合粒子的制备及热分解性能[J].火炸药学报,2006,29(4):25-28.CUI Ping,LI Feng-sheng,ZHOU Jian,et al.Preparation and thermaldecomposition behavior of carbon nanotubes-ammonium perchloratecomposite particles[J].Chinese Journal of Explosives and Propellants,2006,29(4):25-28.
[4]王敬念,李晓东,杨荣杰.Fe2O3/CNTs纳米粒子的制备及其对高氯酸铵燃速的催化作用[J].火炸药学报,2006,29(2):44-47.WANG Jing-nian,LI Xiao-dong,YANG Rong-jie.Preparation ofFe2O3/CNTs composites and its catalysis on thermal decomposition ofAP[J].Chinese Journal of Explosives&Propellants,2006,29(2):44-47.
[5]白华萍,李凤生,宋洪昌,等.纳米Ni及碳纳米管对AP热分解的催化性能[J].火炸药学报,2005,28(4):32-35.BAI Hua-ping,LI Feng-sheng,SONG Hong-chang,et al.The catalysisperformance of Ni nanoparticles and carbon nanotube on the thermal decom-position of AP[J].Chinese Journal of Explosives&Propellants,2005,28(4):32-35.
[6]白华萍,李凤生,宋洪昌,等.碳纳米管在AP热分解中的助催化性能[J].含能材料,2005,13(5):305-308.BAI Hua-ping,LI Feng-sheng,SONG Hong-chang,et al.Catalysis-ac-celerating performance of carbon nanotubes in the thermal decomposi-tion of AP[J].Chinese Journal of Energetic Materials(Hanneng Cail-iao),2005,13(5):305-308.
[7]王罗新,吴忠波,庹新林,等.椅式(5,5)单壁碳纳米管内硝基甲烷热解反应的理论研究[J].含能材料,2009,17(5):518-522.WANG Luo-xin,WU Zhong-bo,TUO Xin-lin,et al.Theoretical study ontheremal decomposition of nitromethane confined inside a armchair(5,5)single-wall carbon nanotub[J].Chinese Journal of Energetic Materials(Hanneng Cailiao),2009,17(5):518-522.
[8]张维,李晓萌,李杰,等.碳纳米管对7-氨基-6-硝基苯并二氧化呋咱热分解的影响[J].燃烧科学与技术,2004,10(1):92-95.ZHANG Wei,LI Xiao-meng,LI Jie,et al.Effect of carbon nanotubes onthermal decomposition of aminonitro-benzodifuroxan[J].Journal of Com-bustion Science and Technology,2004,10(1):92-95.
[9]Everett S Hafenrichter.Continued studies on fast laser diode ignition ofconfined explosives[C]∥31th International Pyrotechnics Seminar.Fort Collins,Colorado,USA.2004.
[10]陈利魁,盛涤伦,马凤娥,等.BNCP粒度对固体激光起爆感度和延期时间的影响[J].含能材料,2007,15(3):217-220.CHEN Li-kui,SHENG Di-lun,MA Feng-e,et al.The effect of particlesize of BNCP on the laser initiation sensitivity and delay time[J].Chinese Journal of Energetic Materials(Hanneng Cailiao),2007,15(3):217-220.
[11]陈利魁,盛涤伦,杨斌,等.掺杂对BNCP半导体激光起爆感度的影响[J].含能材料,2009,17(2):229-232.CHEN Li-kui,SHENG Di-lun,YANG Bing,et al.Effect of dopant onBNCP semiconductor laser sensitivity[J].Chinese Journal of EnergeticMaterials(Hanneng Cailiao),2009,17(2):229-232.
[12]盛涤伦,马凤娥,张裕峰,等.高氯酸.四氨.双(5-硝基四唑)合钻(Ⅱ)(BNCP)的晶体结构[J].含能材料,2007,15(5):511-514.SHENG Di-lun,MA Feng-e,ZHANG Yu-feng,et al.Crystal structureof initiating explosive BNCP[J].Chinese Journal of Energetic Materi-als(Hanneng Cailiao),2007,15(5):511-514.