%0 Journal Article %T Non-isothermal Decomposition Kinetics of Methyl N-Phenyl Carbamate for Preparation of Phenyl Isocyanate
苯氨基甲酸甲酯热解制备苯基异氰酸酯的非等温动力学 %A ZHU Gan-yu %A LI Hui-quan %A WU Hui-xiong %A CAO Yan %A LIU Hai-tao %A LI Xin-tao %A ZHANG Qin-hua %A TANG Qing %A
朱干宇 %A 李会泉 %A 邬慧雄 %A 曹妍 %A 柳海涛 %A 李新涛 %A 张琴花 %A 唐清 %J 过程工程学报 %D 2012 %I %X The decomposition process of methyl N-phenyl carbamate(MPC) was studied by TG-DTG,DSC and IR techniques.It is shown that the decomposition of MPC for generating phenyl isocyanate(PI) is one step with the generation of methanol gas.Then non-isothermal decomposition kinetics of MPC was studied.Flynn-Wall-Ozawa method was used to calculate the reaction activation energy,E,through the data of DSC/TG/DTG.The kinetic parameters were calculated using five kinetic analytical methods.The result indicated that the mechanism function of MPC decomposition was G(α)=α1/3,E and the pre-exponential factor,A,of the reaction were E=20.52 kJ/mol and lgA=2.23,respectively,and the kinetic equation could be expressed as α1/3=169.82exp20.52×10~3/(8.314T)]t. %K methyl N-phenyl carbamate %K non-isothermal %K decomposition %K kinetics %K thermal analysis
苯氨基甲酸甲酯 %K 非等温 %K 热解 %K 动力学 %K 热分析 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=3FCF8B1A330466D5&jid=B9EE12934D19905403D996AE65CEEEED&aid=21CB0722CA48644FF4429D207AC5065E&yid=99E9153A83D4CB11&vid=59906B3B2830C2C5&iid=E158A972A605785F&sid=C7B13290323C226E&eid=EF9E84B2DA79FF23&journal_id=1009-606X&journal_name=过程工程学报&referenced_num=0&reference_num=0