The pyrolysis of polyvinyl chloride (PVC) w as examined with a thermal gravimetric analyzer (TGA).The experiments were done over the temperature range of room temperature to 1?000?℃ at three heating r ates of 10, 20 ...The pyrolysis of polyvinyl chloride (PVC) w as examined with a thermal gravimetric analyzer (TGA).The experiments were done over the temperature range of room temperature to 1?000?℃ at three heating r ates of 10, 20 and 50?℃/min under nitrogen atmosphere. The results indicate t hat the entire process of PVC pyrolysis consists of three distinct stages. In t his paper the pyrolysis of PVC was modeled by three independent reactions. The corresponding parameters such as activation energy, pre-exponential factor, and reaction order were determined. The kinetic model, composed of three independe nt and consecutive reactions, gives good agreement with the experimental results .展开更多
文摘The pyrolysis of polyvinyl chloride (PVC) w as examined with a thermal gravimetric analyzer (TGA).The experiments were done over the temperature range of room temperature to 1?000?℃ at three heating r ates of 10, 20 and 50?℃/min under nitrogen atmosphere. The results indicate t hat the entire process of PVC pyrolysis consists of three distinct stages. In t his paper the pyrolysis of PVC was modeled by three independent reactions. The corresponding parameters such as activation energy, pre-exponential factor, and reaction order were determined. The kinetic model, composed of three independe nt and consecutive reactions, gives good agreement with the experimental results .
