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Physicochemical and Thermal Characterization of Dura Palm Kernel Powder as a Load for Polymers: Case of Polyvinyl Chloride

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Journal of Materials Science and Chemical Engineering 2018年第6期6卷 1-18页

作者： Rolland Djomi Lucien jean Raymond Meva’a jean Nganhou Gérard Mbobda Abel Emmanuel Njom Yves Didier Modtegue Bampel jean-bosco saha tchinda Civil and Mechanical Engineering Laboratory National Advanced School of Engineering University of Yaounde I Yaounde Cameroon Research Unit for Macromolecular Chemistry Applied Inorganic Chemistry Laboratory Faculty of Science University of Yaounde I Yaounde Cameroon

This work presents the physical and thermal characterization of the dura palm kernel powder of Cameroon for their use as fillers for polymers composites. The powders of palm kernel were obtained using a percussion grinder mill with an industrial microniser which allowed obtaining a powder less than 50 μm with an apparent density between 0,505 ≤ ρ ≤ 0,680 g/cm3 at 1.56 of relative humidity. The infrared of the powder of palm kernel shows the presence of phenols groups with a large band around 3341 cm-1, -C-H at 2917.02 cm-1 and -C-O at 1040 cm-1 as the main peaks. The polyvinyl chloride of infrared obtained shows the presence of -C-Cl, -CH2 and CH as the mains peaks. The infrared of 12.5% of palm kernel powder with polyvinyl chloride shows an increase of the CH2 and CH bonds and a decrease of the -OH bonds. Thermogravimetric analysis and differential scanning calorimetric analysis of powders, polyvinyl chloride and mixture showed that the mixing powders are intermediate between the polyvinyl chloride and palm kernel powder. The powder decreased the phase temperatures of the mixture from 98.58℃ to 95℃ for the glass transition temperature and from 515℃ to 459℃ for the crystallization temperature. The thermogravimetric curves of palm kernel powder and polyvinyl chloride have showed that these materials lose their different masses in three different phases, and the one of composite (mixture of polyvinyl chloride with 12.5% of palm kernel powder) in two different phases.

关键词： Dura Palm Kernel Shell Load for Polymers Thermogravimetric Analysis DSC

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