ResumoAs fibras de bambu são ricas em celulose, hemicelulose e lignina. Elas apresentam altos módulos de elasticidade e alta resistência mecânica, o que as tornam bastante eficazes como reforço em compósitos. Com o intuito de aprimorar as propriedades mecânicas de materiais poliméricos em escalas diminutas, tem-se buscado a aplicação desses reforços em sua forma nano. A extração de nanocelulose tem sido bastante estudada e, em nosso trabalho, foram feitas adaptações de métodos que mostraram-se mais eficazes. Os nanowhiskers a base de bambu foram obtidos por hidrólise ácida a 64%, após tratamento químico prévio de limpeza e branqueamento. Os materiais obtidos foram então caracterizados por FTIR, TG, DTG e tamanho de partícula por Potencial Zeta, onde seus resultados indicaram que o método de produção utilizado foi eficaz. Palavras-chave:Bambu; Nanowhiskers; Nanopartículas de celulose; Nanocompósitos. OBTAINING OF NANOWHISKERS FROM BAMBOO FIBERS FOR USE IN NANOCOMPOSITES AbstractBamboo fibers are rich in cellulose, hemicellulose and lignin. They present high elastic modulus and high mechanical strength, which makes them very effective as reinforcement in composites. In order to improve the mechanical properties of polymeric materials in very small scales, the application of these reinforcements in their nano form has been investigated. The nanocellulose extraction has been studied a lot and, in our work, adjustments in some methods that showed to be more effective were done. The nanowhiskers made from bamboo was obtained by 64% of acid hydrolisis after prior chemical treatment of cleaning and bleaching. The materials were then characterized by FTIR, TG, DTG and particle size by Zeta Pontential, which indicated that the production method was effective.
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