Kinetic study of the thermal decomposition on bis(dialkyldithiocarbamate) Cd(II) complexes by isothermal and non-isothermal thermogravimetry
作者:Maria C. Nobrega Machado、Liliane Magalhães Nunes、Carlos Davidson Pinheiro、José Caetano Machado、Antonio Gouveia Souza
DOI:10.1016/s0040-6031(98)00643-1
日期:1999.3
Abstract The thermal decomposition kinetics of solid Cd(S 2 CNR 2 ) 2 complexes, where R=C 2 H 5 , n -C 3 H 7 , n -C 4 H 9 and iso-C 4 H 9 , has been studied using isothermal and non-isothermal thermogravimetry. Superimposed TG/DTG/DSC curves show that thermal decomposition reactions occur in the liquid phase. The kinetic model that best adjusted the experimental isothermal TG data was the one-dimensional
摘要 研究了固体 Cd(S 2 CNR 2 ) 2 配合物的热分解动力学,其中 R=C 2 H 5 、n -C 3 H 7 、n -C 4 H 9 和iso-C 4 H 9 ,已使用等温和非等温热重法。叠加的 TG/DTG/DSC 曲线表明热分解反应发生在液相中。最佳调整实验等温TG数据的动力学模型是一维相界反应控制过程R 1 。热分析数据表明热稳定性序列 Cd(S 2 CNBu n 2 ) 2 >Cd(S 2 CNPr n 2 ) 2 >Cd(S 2 CNBu i 2 ) 2 >Cd(S 2 CNEt 2 ) 2 ,根据表观活化能的稳定性顺序。