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Design and Characterization of Biocomposites from Poly(lactic acid) (PLA) and Buriti Petiole (Mauritia flexuosa)

Samantha Andrade Vale de Sousa1, Mercês Coelho da Silva2, Orlando Gama da Silva Júnior3, Artur Caron Mottin4, Rodrigo Lambert Oréfice3, Eliane Ayres1*

Minas Gerais State University - UEMG, Department of Materials, Technologies and Processes, School of Design, Avenida Antônio Carlos, 7545, Belo Horizonte-MG, Brazil
Department of Materials Engineering, Federal University of Itajubá – UNIFEI, Rua Irmã Ivone Drumond, 200 - Distrito Industrial II, Itabira - MG, Brazil
Department of Metallurgical and Materials Engineering, Federal University of Minas Gerais – UFMG, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte - MG, Brazil
Mechanical Department, Minas Gerais Federal Institute – IFMG, Av. Michael Pereira de Souza, 3007, Avenue - Campinho - Congonhas - MG, Brazil

*Corresponding author: email

Journal of Renewable Materials 2017, 5(3-4), 251-257.


Buriti or miriti (Mauritia flexuosa) is a palm tree found in the Brazilian cerrado. Herein buriti petiole, part of the trunk that supports the leaves, was ground and used without any treatment as low density load to prepare poly(lactic acid) biocomposites. X-ray microtomography of buriti petiole showed its porous structure, with a wide pore size distribution determined with the aid of SEM. The obtained biocomposites with 1, 5 and 10 wt% of buriti petiole particles were investigated by their sessile drop contact angle, FTIR, TGA and tensile test. The tensile properties indicated poor adhesion between phases, which is crucial to optimize the biocomposite’s performance. Further studies with fiber treatment are being planned.


Cite This Article

Andrade, S., Coelho, M., Gama, O., Mottin, A. C., Oréfice, R. L. et al. (2017). Design and Characterization of Biocomposites from Poly(lactic acid) (PLA) and Buriti Petiole (Mauritia flexuosa). Journal of Renewable Materials, 5(3-4), 251–257.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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