Abstract
The thermal stability of lignocellulosic materials is an important parameter for application of these natural materials as reinforcements in thermoplastic composites. In this study, the thermogravimetric analysis was used to evaluate the thermal decomposition, activation energy and mechanisms of degradation of two pine wood species. The results indicate higher extractive content in wood may lead to lower thermal stability. Pinus elliottii showed higher thermal stability and higher activation energy than Pinus taeda . Diffusion process controlled the thermal degradation mechanisms for both wood species. The results showed for both species studied Pinus elliottii is recommend the development of composites based on its higher thermal stability. The methods used in this study were helpful to obtain valuable information about the thermal stability of wood and to determine the best conditions for preparation of wood composites.
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