Non-isothermal Degradation Analysis of Plywood and Determination of Kinetic Parameters Using Coats–Redfern Method

Thermogravimetry analyzer was used for the study of thermal degradation of plywood under air and nitrogen environment. The investigation was carried out at a heating rate in the range of 5–100 K min −1 from a temperature atmosphere to 1050 K. Thermal decomposition steps dehydration, oxidative reaction (air environment), pyrolysis degradation (nitrogen environment) and char degradation with temperature evolution were reported. Kinetic parameters of thermal degradation step were investigated with model fitting Coats–Redfern method. Arrhenius kinetic reaction model was used for oxidative and pyrolysis reaction degradation stages kinetic parameter estimation. Model kinetic triplets were estimated for different heating rates of the thermal degradation step. The experimental data deviation percentage with the proposed model was found to be below 5% with reasonable accuracy for different heating rates.