Resumo

BURROLA-NUNEZ, Heidy et al. Use of jute woven fibers as reinforcement material in polylactic acid biocomposites. Biotecnia [online]. 2020, vol.22, n.1, pp.67-73.  Epub 03-Ago-2020. ISSN 1665-1456.  https://doi.org/10.18633/biotecnia.v22i1.1126.

The use of agroindustry waste is an option that benefits the environment. During the production of products with woven jute fibers (WJF) fragments are generated which do not have a specific use. In this work, we propose the use of WJF residues as a reinforcing material in laminates of polylactic acid (PLA) as an ecological and sustainable alternative to obtain low cost biodegradable biocomposites that can replace petroleum plastics. In order to improve the WJF and PLA compatibility, physicochemical treatments were used in fibers such as gamma irradiation (GI) and functionalization with maleic anhydride (MA). The results of PLA/WJF (MA) biocomposites revealed improvements in the mechanical and thermal properties compared to neat PLA; with an increase in elastic, flexural and storage modules of 48%, 6%, and 23%, respectively. This opens up the possible application of PLA/ WJF biocomposites in rigid containers, as well as the way to take advantage of other natural fibers used locally.

Palavras-chave : Exploitation; jute fibers; polylactic acid; biocomposites.

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