Abstract
In this chapter, pure PLA, PHA, PLA/PHA (1:1 ratio of PLA/PHA), and NCHB-PLA/PHA (1 wt% of NCHB; 1:1 ratio of PLA/PHA) with addition of different fiber loadings (i.e. 5 wt%, 10 wt%, 15 wt% and 20 wt%) are fabricated. It is found that the addition of Acacia wood (AW), caused an inrease in the dielectric constant, dissipation factor and loss factor. The highest optimum value was obtained at 20 wt% fiber loadings. Addition of AW fiber caused an increase in the dielectric constant, dissipation factor and loss factor. Chemical modification on the AW fiber were also done and resulted, which resulted in the increase of hydrophobicity of the modified AW fiber. Polymer blend created better interlocking, reduce the formation of bubble/void, which create low dielectrical properties than PLA and PHA itself. Addition of NCHB stabilizes the dielectric constant, dissipation factor and loss factor, which led to a smoother data, when compared to other results.
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References
ASTM D150-11. (2011). Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation. West Conshohocken, PA: ASTM International.
ASTM D6400-12. (2012). Standard Specification for Labeling of Plastics Designed to be Aerobically Composted in Municipal or Industrial Facilities. West Conshohocken, PA: ASTM International.
ASTM D6866-16. (2016). Standard Test Methods for Determining the Biobased Content of Solid, Liquid, and Gaseous Samples Using Radiocarbon Analysis. West Conshohocken, PA: ASTM International.
ASTM E41-92. (2010). Terminology Relating to Conditioning. West Conshohocken, PA: ASTM International.
Chand, N., & Jain, D. (2005). Effect of sisal fibre orientation on electrical properties of sisal fibre reinforced epoxy composites. Composites Part A Applied Science and Manufacturing, 36(5), 594–602.
Haseena, A. P., Unnikrishnan, G., & Kalaprasad, G. (2007). Dielectric properties of short sisal/coir hybrid fibre reinforced natural rubber composites. Composite Interfaces, 14(7–9), 763–786.
Jacob, M., Varughese, K. T., & Thomas, S. (2006). Dielectric characteristics of sisal-oil palm hybrid biofibre reinforced natural rubber biocomposites. Journal of Materials Science, 41(17), 5538–5547.
Joseph, S., & Thomas, S. (2008). Electrical properties of banana fiber-reinforced phenol formaldehyde composites. Journal of Applied Polymer Science, 109(4), 256–263.
Logan, A. F., & Balodis, V. (1982). Pulping and papermaking characteristics of plantation-grown acacia mangium from Sabah. Malaysian Forester, 45(1), 217–236.
Markiewcz, E., Paukszta, D., & Borysiak, S. (2009). Dielectric properties of lignocellulosic materials—Polypropylene composites. Materials Science-Poland, 27(2), 582–594.
Mehta, N. M., & Parsania, P. H. (2006). Fabrication and evaluation of some mechanical and electrical properties of jute-biomass based hybrid composites. Journal of Applied Polymer Science, 100(3), 1754–1758.
National Research Council. (1983). Magium and other fast growing acacias for the humid tropics. Washington, DC: Natural Academic Press.
Parida, C., Dash, S. K., Pradhan, C., & Das, S. C. (2015). Dielectric response of luffa fiber—Reinforced resorcinol formaldehyde composites. American Journal of Materials Science, 5(1), 1–8.
Peh, T. B., Khoo, K. C., & Lee, T. W. (1982). Sulphate pulping of acacia mangium and cleistopholis glauca from Sabah. Malaysian Forester, 45(1), 404–418.
Peh, T. B., & Khoo, K. C. (1984). Timber properties of acacia mangium, gmelina arborea, and paraserianthes falcataria and their utilization aspects. Malaysian Forester, 47(1), 285–303.
Razali, A. K., & Kuo, H. S. (1983). Properties of particleboard manufactured from fast growing plantation species. In Proceedings of Symposium on Recent Development in Tree Plantations of Humid/Subhumid Tropics of Asia (Vol. 1, no. 1, pp. 685–691).
Singha, A. S., Rana, A. K., & Jarial, R. K. (2013). Mechanical, dielectric, and thermal properties of grewia optiva fibers reinforced unsaturated polyester matrix based composites. Materials & Designs, 56(1), 924–934.
Sining, U. (1989). Some wood properties of acacia mangium wild, from three provenances grown in Sabah (Thesis). Universiti Pertanian Malaysia.
Sreekumar, P. A., Saiter, J. M., Joseph, K., Unnikrishnan, G., & Thomas, S. (2012). Electrical properties of short sisal fiber reinforced polyester composites fabricated by resin transfer molding. Composites Part A Applied Science and Manufacturing, 43(3), 507–511.
Thakur, Y., Zhang, B., Dong, R., Lu, W., Iacob, C., Runt, J., et al. (2017). Generating high dielectric constant blends from lower dielectric constant dipolar polymers using nanostructure engineering. Nano Energy, 23(1), 73–79.
Wang, Q., Sasaki, H., & Razali, A. K. (1989). Properties of fast growing timbers from plantation thinning in Sabah. Wood Research and Technical Note, 25(1), 45–51.
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The authors would like to Universiti Malaysia Sarawak and Swinburne University of Technology Sarawak Campus for the collaboration efforts.
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Bakri, M.K.B., Nyuk Khui, P.L., Rahman, M.R., Hamdan, S., Jayamani, E., Kakar, A. (2019). Dielectric Properties of Acacia Wood Bio-composites. In: Rahman, M. (eds) Acacia Wood Bio-composites. Engineering Materials. Springer, Cham. https://doi.org/10.1007/978-3-030-29627-8_8
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