Abstract
A series of porphyrin polymers containing different spacer groups was synthesized and studied using TG, DSC and FTIR. The thermal behaviors including the possible conformation transition and phase transition of porphyrins were studied during the heating process at lower temperature. Polymers with spacer groups exhibit higher thermal stability compared to that without spacer group. Activation energies obtained by the iterative isoconversion method gave support to this observation. The phenomenological, kinetic and mechanistic aspects of thermal decomposition of these porphyrin polymers have been also studied. It is very interesting that all the decomposition courses of porphyrin polymers follow the same mechanism function “Avrami-Erofeev equation”.
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