Modification and Characterization of Hemp and Sisal Fibers

dc.creatorHajiha, H
dc.creatorSain, M
dc.creatorMei, LH
dc.date2014
dc.dateAPR 3
dc.date2014-08-01T18:42:37Z
dc.date2015-11-26T18:06:30Z
dc.date2014-08-01T18:42:37Z
dc.date2015-11-26T18:06:30Z
dc.date.accessioned2018-03-29T00:48:43Z
dc.date.available2018-03-29T00:48:43Z
dc.identifierJournal Of Natural Fibers. Taylor & Francis Inc, v. 11, n. 2, n. 144, n. 168, 2014.
dc.identifier1544-0478
dc.identifier1544-046X
dc.identifierWOS:000333954000005
dc.identifier10.1080/15440478.2013.861779
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/82354
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/82354
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1293377
dc.descriptionThis work is to investigate the effectiveness of the surface treatment technique of fiber impregnation in polymer solution in improving compatibility of natural fibers with matrix. Hemp and sisal fibers were treated through polymer coating in comparison to acetylation, alkalization/acetylation, and silanization. Different analytical techniques were employed to examine effect of surface treatment, including Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and thermogravimetric analysis (TGA) in nitrogen and air. FTIR showed acetylation combined with alkalization led to the highest hemicellulose and lignin removal among all treated fibers for both fibers, while polymer coating led to an increase at peak around 1,736 cm(-1) due to the carbonyl group. SEM micrographs of treated fibers showed cleaner surfaces due to removal of waxy substances and lignin during treatments. Thermal stability of treated fibers increased based on TGA results except for the alkalized/acetylated fiber. Acetylated fibers had the lowest moisture content, thus demonstrating that acetylation is an effective technique to reduce the hydrophilic tendency of natural fibers. In comparison, polymer coating was not as effective as other treatment methods.
dc.description11
dc.description2
dc.description144
dc.description168
dc.descriptionAuto21
dc.descriptionOntario Research Fund (ORF)
dc.languageen
dc.publisherTaylor & Francis Inc
dc.publisherPhiladelphia
dc.publisherEUA
dc.relationJournal Of Natural Fibers
dc.relationJ. Nat. Fibers
dc.rightsfechado
dc.rightshttp://journalauthors.tandf.co.uk/permissions/reusingOwnWork.asp
dc.sourceWeb of Science
dc.subjectfiber characterization
dc.subjectsisal
dc.subjectpolymer coating
dc.subjecthemp
dc.subjectcompatibility
dc.subjectfiber modification
dc.subjectChemical Treatments
dc.subjectNatural Fiber
dc.subjectReinforced Composites
dc.subjectSurface Treatments
dc.subjectPolymers
dc.subjectBiocomposites
dc.titleModification and Characterization of Hemp and Sisal Fibers
dc.typeArtículos de revistas


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