2015
DOI: 10.1002/app.43049
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Effects of fiber‐surface treatment on the properties of hybrid composites prepared from oil palm empty fruit bunch fibers, glass fibers, and recycled polypropylene

Abstract: In this article, we report the effects of hybridization and fiber-surface modification on the properties of hybrid composites prepared from recycled polypropylene (RPP), coupling agents, oil palm empty fruit bunch (EFB), and glass fibers through a twinscrew extruder and an injection-molding machine. The surface of the EFB fibers was modified with different concentrations (10-15 wt %) and temperatures (60-908C) of alkali solutions. The structure and morphology of the fibers were observed with the help of Fourie… Show more

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Cited by 19 publications
(18 citation statements)
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“…The figure shows that the rate of water absorption is highest in the treated (T20 600) followed by the control sample. This result is contrary to expectation, as composites with fiber reinforcement, whether treated or untreated, should exhibit higher water absorption due to the inherent hydrophilic nature of the filler [22] [30] [37]- [41]. However, water absorption depends on several factors, namely the type of fiber, its loading and orientation, area of exposed surface, interfacial adhesion, voids, and surface protection [41] [42].…”
Section: Mechanical Property Testcontrasting
confidence: 52%
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“…The figure shows that the rate of water absorption is highest in the treated (T20 600) followed by the control sample. This result is contrary to expectation, as composites with fiber reinforcement, whether treated or untreated, should exhibit higher water absorption due to the inherent hydrophilic nature of the filler [22] [30] [37]- [41]. However, water absorption depends on several factors, namely the type of fiber, its loading and orientation, area of exposed surface, interfacial adhesion, voids, and surface protection [41] [42].…”
Section: Mechanical Property Testcontrasting
confidence: 52%
“…This result is contrary to expectation, as composites with fiber reinforcement, whether treated or untreated, should exhibit higher water absorption due to the inherent hydrophilic nature of the filler [22] [30] [37]- [41]. However, water absorption depends on several factors, namely the type of fiber, its loading and orientation, area of exposed surface, interfacial adhesion, voids, and surface protection [41] [42]. Sample (T20 600) and the U25 300 CONTROL T20 600 U20 600 T20 300 Hardness Shore Scare D Samples control sample have more voids in them as compared to other samples and this explains the high initial rate of water absorption [43], until all the available spaces in the composite are taken over by the water.…”
Section: Mechanical Property Testcontrasting
confidence: 50%
“…However, environmental legislation has restricted them from outright dump in soil and other open places as such, recycling of plastics is a better option and this has created interest in the preparation of valuable composites, hence encourage recycling of materials. Besides, some interesting results have been achieved from previous works and the results are quite impressive with properties comparable to virgin or pure pp-based composites [2,13]. Processing of rPP-based composite is crucial for achieving better physical and mechanical properties.…”
Section: Introductionmentioning
confidence: 83%
“…Among all the chemical methods of fiber treatment, sodium hydroxide is the widely use due to their effective and availability. Sodium hydroxide treatment of empty palm fruit bunch fiber both at room and elevated temperatures has been reported [13] while in another study [14], sodium hydroxide at different concentrations was used for the treatment of bamboo fibers and the crystallinity of the bamboo fiber was found to increase with the concentration of NaOH and treatment time. The increased crystallinity of the fiber was attributed delignification of bamboo that generated microfibril with greater crystallinity.…”
Section: Introductionmentioning
confidence: 97%
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