CARDONA, E.; NORIEGA, M.; OSPINA, S.; MALDONADO, Á.:
ANTEC 2013. 22-24 (2013).

Abstract

A commercial wood polypropylene composite was developed using a twin screw extruder. Thermal endurance of the compound was assessed under oxidative and inert atmospheres by using conventional thermogravimetric analysis; the thermal endurance of PP is higher in an inert atmosphere, while the thermal endurance of wood powder is very similar in both atmospheres. In contrast, the thermal endurance of the wood polypropylene composite is higher in air. The activation energy results showed that the values obtained by conventional TGA had the same order of magnitude as values obtained from Modulated TGA. Fourier transformed infrared, electron microscopy was done to evaluate the chemical and physical interaction of materials in the final compound.

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