The thermal behaviors of the complexes of Cu(DMTZB)4X2 (DMTZB=3,3'-dimethyl-1-(1H-1,2,4-triazol-1- yl)-2-butanone, X=NO3 or ClO4) and Cu(DMTZB)2 X2 (X = Br or Cl) in a nitrogen atmosphere were studied un-der the ...The thermal behaviors of the complexes of Cu(DMTZB)4X2 (DMTZB=3,3'-dimethyl-1-(1H-1,2,4-triazol-1- yl)-2-butanone, X=NO3 or ClO4) and Cu(DMTZB)2 X2 (X = Br or Cl) in a nitrogen atmosphere were studied un-der the non-isothermal conditions by simultaneous TG-DTG-DSC, EDS and elemental analysis techniques. The re-sults showed that their decomposition proceeded in three different ways mainly depending on the anions in the molecules. The heat effect associated with the decomposition step of DMTZB molecules was also different. The decomposition mechanisms and the kinetic parameters of DMTZB were determined and calculated by jointly using four methods, which showed that its pyrolysis was controlled by D3 mechanism but with different activation ener-gies and pre-exponential factors for different complexes.展开更多
文摘The thermal behaviors of the complexes of Cu(DMTZB)4X2 (DMTZB=3,3'-dimethyl-1-(1H-1,2,4-triazol-1- yl)-2-butanone, X=NO3 or ClO4) and Cu(DMTZB)2 X2 (X = Br or Cl) in a nitrogen atmosphere were studied un-der the non-isothermal conditions by simultaneous TG-DTG-DSC, EDS and elemental analysis techniques. The re-sults showed that their decomposition proceeded in three different ways mainly depending on the anions in the molecules. The heat effect associated with the decomposition step of DMTZB molecules was also different. The decomposition mechanisms and the kinetic parameters of DMTZB were determined and calculated by jointly using four methods, which showed that its pyrolysis was controlled by D3 mechanism but with different activation ener-gies and pre-exponential factors for different complexes.
