Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/29606
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dc.creatorCampos, Adriana de-
dc.creatorSena Neto, Alfredo R. de-
dc.creatorRodrigues, Vanessa B.-
dc.creatorKuana, Vanessa A.-
dc.creatorCorrea, Ana Carolina-
dc.creatorTakahashi, Marcio C.-
dc.creatorMattoso, Luiz H. C.-
dc.creatorMarconcini, José M.-
dc.date.accessioned2018-07-11T13:13:51Z-
dc.date.available2018-07-11T13:13:51Z-
dc.date.issued2017-07-
dc.identifier.citationCAMPOS, A. de et al. Production of cellulose nanowhiskers from oil palm mesocarp fibers by acid hydrolysis and microfluidization. Journal of Nanoscience and Nanotechnology, Stevenson Ranch, v. 17, n. 7, p. 4970-4976, July 2017.pt_BR
dc.identifier.urihttp://www.ingentaconnect.com/contentone/asp/jnn/2017/00000017/00000007/art00075pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/29606-
dc.description.abstractIn the present study, oil palm mesocarp fibers (OPMF), an agroindustrial residue from the production of palm oil, were used to obtain cellulose nanowhiskers. They were obtained from bleaching of fibers, followed by hydrolysis using sulfuric acid and microfkuidization, to control the length of cellulose nanowhiskers and avoid a decrease in thermal stability with extended acid hydrolysis time. The results showed that the nanowhiskers obtained by acid hydrolysis for 105 min resulted in structures with an average length (L) of 117 ± 54 nm and diameter (D) of 10 ± 5 nm. After 105 min of acid hydrolysis, the suspension was dialyzed and the neutral suspension was subjected to microfku- idization. At this time the nanowhiskers presented the same dimensions, even with the fibrils disintegration of both amorphous and crystalline phases, during the microfkuidization. However, after microfkuidization, the sample presented a more stable suspension, but the crystallinity decreased. Increasing the hydrolysis time from 105 to 140 min, more sulfonated nanowhiskers were obtained, presenting lower thermal stability, but higher crystallinity than the microfkuidized sample. Furthermore, this study proved that it is possible to obtain cellulose nanowhiskers from oil palm mesocarp fibers, an agroindustrial residue from the palm oil production, helping to reduce the environmental impact of this waste, as well as providing the obtaining of a high value-added product.pt_BR
dc.languageen_USpt_BR
dc.publisherAmerican Scientific Publisherspt_BR
dc.rightsrestrictAccesspt_BR
dc.sourceJournal of Nanoscience and Nanotechnologypt_BR
dc.subjectAcid hydrolysispt_BR
dc.subjectCellulose nanowhiskerspt_BR
dc.subjectChemical treatmentspt_BR
dc.subjectMechanical shearingpt_BR
dc.subjectMorphologypt_BR
dc.subjectNanocellulosept_BR
dc.subjectOil palm mesocarp fiberspt_BR
dc.titleProduction of cellulose nanowhiskers from oil palm mesocarp fibers by acid hydrolysis and microfluidizationpt_BR
dc.typeArtigopt_BR
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