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Comparative analysis on dielectric properties of polymer composites reinforced with synthetic and natural fibers
Author(s) -
Jayamani Elammaran,
Tay Chen Peng,
Bakri Muhammad Khusairy Bin,
Kakar Akshay
Publication year - 2018
Publication title -
journal of vinyl and additive technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 35
eISSN - 1548-0585
pISSN - 1083-5601
DOI - 10.1002/vnl.21639
Subject(s) - composite material , materials science , dielectric , epoxy , glass fiber , fiber , synthetic fiber , natural fiber , composite number , polymer , dielectric loss , optoelectronics
This article presents the study of dielectric properties of synthetic and natural fiber reinforced epoxy composites. Bamboo and glass fibers were both chopped and woven. These fibers were then used for reinforcing epoxy, with different fiber loadings. The dielectric properties of these composites were studied with reference to their fiber loadings, frequencies, and chemical treatment of the natural fibers at room temperature. It was found that dielectric properties increased with the increase in the concentration of fibers filled in the epoxy matrix, for the entire frequency range. This was due to the increase in the orientation and interfacial polarization. The treated fiber composites had lower dielectric properties due to decreased hydrophilicity of the natural fiber. The chopped glass fibers reinforced epoxy composites have the highest dielectric constant, among all tested composites. J. VINYL ADDIT. TECHNOL., 24:E201–E216, 2018. © 2018 Society of Plastics Engineers