Non-isothermal decomposition kinetics of methyl N-phenyl carbamate for preparation of phenyl isocyanate
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GY Zhu, HQ Li, HX Wu, Y Cao, HT Liu, XT Li…
Guocheng Gongcheng …, 2012
hero.epa.gov
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 …
