Development of utilization alkali-treated bamboo fiber as a strengthener in thermoset and thermoplastic composites

Komar Roni, Wijang Wisnu Raharjo, Dody Ariawan, Ubaidillah, and Zainal Arifin

The increasing concern over environmental problems and the demand for renewable raw materials continues to increase, making researchers must find the right solution to overcome these problems. One solution is to reduce the use of synthetic fibers, which can replace natural fibers. This article is to review the use of bamboo fiber as a reinforcement to improve the physical and mechanical properties of composites, starting from the manufacturing process to its future potential. The matrix, which usually used as a binder of bamboo fiber, is thermoset and thermoplastic. As time goes by, the matrix becomes more popular. The method of making composites with Hot Press has a significant effect on composite results. The preparations and parameters involved during the process of making bamboo fiber composites with thermoset and thermoplastic matrices have a considerable impact on the results of the physical and mechanical properties of composites. Alkali treatment can eliminate hemicellulose, lignin, wax, and oil, which cover the surface of the outer walls of natural fiber cells and increase the surface roughness of the fibers, thereby increasing the bond between the polymer and the fiber. The determination of fiber composition variation plays a significant role in the physical and mechanical properties of composites. Too much pressure can damage the fiber, while too low pressure results in poor lamination consolidation. The processing temperature results in a better interface wetting between the fiber and the matrix. Holding time produces a more reliable bonding interface by removing the air gap that induced during pressing between the fiber and the matrix, thereby increasing tensile strength and modulus. The utilization of bamboo fibers to reduce synthetic fibers has opened opportunities for academics and industry to design sustainable modules to utilize bamboo fibers in the future. Making bamboo fiber-based composites with thermoset and thermoplastic matrices can reduce environmental problems and can be developed into effective biocomposites. Added with the advantages of thermosets and thermoplastics such as resistance to heat and chemicals even in extreme environments, flexible and recyclable, so that it has good potential in the future.

Corresponding Author : Wijang Wisnu Raharjo
Email : komarroni24@student.uns.ac.id

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