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Article
An Overview on Lignocellulosic Fibers Ienforced Polymer Composite Materials

Authors: Amamer Redwan --- Khairiah Haji Badri --- Azizah Baharum
Journal: Al-Nahrain Journal of Science مجلة النهرين للعلوم ISSN: (print)26635453,(online)26635461 Year: 2017 Volume: 20 Issue: 1 Pages: 25-31
Publisher: Al-Nahrain University جامعة النهرين

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Abstract

In polymer science lignocellulosic fiber-reinforced polymer composite materials have appeared in a wide range area. The composite made from those varieties of materials are low density, low value, comparable certain properties, and most importantly they're environmental friendly. Although a number of the properties linked to composites generated from oil palm fibers and polymers (namely, those that are accessible through commerce) display aspects of commonality when compared to conventional synthetic fiber composites, such properties depend to a significant degree on the extent to which the fibers and matrix phase is compatible with the capacity to absorb moisture. Importantly, this emerges as a key concern and, moreover, disadvantages of Lignocellulosic fibers polymer composites and studies have suggested that it has a considerable impact on the composites’ physical and mechanical properties. The central aim of the current paper is to provide an overview of the extant research relating to Lignocellulosic fibers reinforced polymer composites, and particular attention will be directed towards the physical structure and constituent chemical components of Lignocellulosic fibers. [DOI: 10.22401/JNUS.20.1.04]

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Article
Study the Physical Properties of Medium Density Fiberboard Utilized by Hybrid Mixture of Efb Fiber and Kenaf Fiber

Authors: Amamer Redwan --- Khairiah Haji Badri --- Azizah Bahrum
Journal: Al-Nahrain Journal of Science مجلة النهرين للعلوم ISSN: (print)26635453,(online)26635461 Year: 2019 Volume: 22 Issue: 2 Pages: 27-30
Publisher: Al-Nahrain University جامعة النهرين

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Abstract

In this study, a new hybrid medium density fiberboard was formulated by utilizing a fiber mixture composing of 50:50 empty fruit bunch and kenaf fiber coupled with palm-based pre-Polyurethane functioning as a binder. Kenaf as well as Empty fruit bunch fibers had a size range of 300 to 500 μm. Aluminum trihydroxide was used as the fire retardant at loading percentage of 0, 5, 10, and 15 wt% of total mass of the matrix. Water absorption property for hybrid-MDF showed a different trend in water absorption capability and this can be correlated to the strong dependence on the interface adhesion between fiber and the polymer matrix. The water absorption decreased as the loading level of Aluminum trihydroxide increased (6.5 – 2.3%) due to that fibers are held to each other through the interfacial bonding in the presence of Aluminum trihydroxide.

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