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Evaluation of combined treatments of natural fibers: kenaf, abaca and oil palm fibers using micromechanical and SEM methods


Citation

Sreenivasan, Subramaniasarma and Ibraheem, Sameer Adnan and Sulaiman, Shamsuddin and Baharudin, B. T. Hang Tuah and Mohd Ariffin, Mohd Khairol Anuar and Abdan, Khalina (2014) Evaluation of combined treatments of natural fibers: kenaf, abaca and oil palm fibers using micromechanical and SEM methods. Advanced Materials Research, 912-914. pp. 1932-1939. ISSN 1022-6680; ESSN: 1662-8985

Abstract

This paper presents the results of three different fibers, Kenaf (hibiscus cannabinus), oil palm (Elaeis guineensis) and abaca (Musa textilis) which were treated using 5 different types of surface treatments namely sodium hydroxide for 24 hours, glycidoxypropyltrimethoxy-silane for 24 hours, NaOH followed by Silane (each 24 hours), NaOH followed by Silane (each 12 hours) and NaOH followed by Silane (each 6 hours). The mechanical strength of the fibers were then studied and compared to the untreated fibers. The highest strength was given by the fibers treated with NaOH followed by the combined treatments and the lowest were the fibers treated with silane. Also the bonding strength between the fibers and unsaturated polyester resin were then evaluated using micro droplet pull out tests. It was proven that all the treatments improved on the bonding strength. The highest was silane followed by NaOH. For the combined treatments it was found that the highest IFSS was given by the lowest treatment duration at 6 hours, due to the alkali nature of NaOH corroding the fibers which were then filled with silane, thus losing the ability to properly bond with the resin. The samples were also then characterized using a SEM to check the surface morphology which revealed that the NaOH reduced the diameter by removing impurities and lignin, thus increasing the aspect ratio. While silane coats the surface, increases the diameter and reduces the aspect ratio.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.4028/www.scientific.net/AMR.912-914.1932
Publisher: Trans Tech Publications
Keywords: Abaca; Bonding strength; Chemical treatment; Droplet test; Kenaf; OPF; SEM
Depositing User: Nabilah Mustapa
Date Deposited: 18 Dec 2015 02:58
Last Modified: 12 Feb 2016 03:18
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.4028/www.scientific.net/AMR.912-914.1932
URI: http://psasir.upm.edu.my/id/eprint/37524
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