Pyrolysis modeling of PVC and PMMA using a distributed reactivity model

Abhishek Bhargava, Patrick Van Hees, Berit Andersson

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

24 Citeringar (SciVal)

Sammanfattning

The thermal decomposition kinetics of poly(vinyl chloride) (PVC) and poly(methyl methacrylate) (PMMA) was studied by thermogravimetry using non isothermal experiments. A detailed kinetic analysis was done using the isoconversional methods (model-free) (including Friedman, Kissinger-Akhaira-Sunose (KAS) and Kissinger methods) and distributed reactivity model (model-fitting). The overall aim was to retrieve kinetic parameters of the model describing the differential thermogravimetric (DTG) curve. For distributed reactivity models, both double and multi-Gaussian methods were used to explain the thermal decomposition process in these polymers. Apparent kinetic parameters were retrieved using optimization calculations with a newly developed computer code using MATLAB® involving pattern search algorithm. Modeling results were compared with the experimental data obtained in a simultaneous thermal analyzer (STA). Agreement between experimental tests and simulations showed good results for fire modeling applications for these polymers.

Originalspråkengelska
Sidor (från-till)199-211
Antal sidor13
TidskriftPolymer Degradation and Stability
Volym129
DOI
StatusPublished - 2016 jul 1

Ämnesklassifikation (UKÄ)

  • Textil-, gummi- och polymermaterial

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