Effect of Chemical Modification on the Mechanical and Electrical Properties of Banana Fiber Polyester Composites
2007
Banana fiber obtained from the sheath of the banana plant, Musa sapientum, has been used in the preparation of composites with polyester matrix. The effect of fiber loading on the dielectric constant, volume resistivity, and dielectric loss factor of the composites were determined with special reference to the effect of frequency. The fibers were modified chemically in order to have better compatibility with the matrix. The surfaces of the modified fibers were characterized using techniques like solvatochromism, zeta potential measurements, X-ray Photo electron spectroscopy (XPS), and Scanning Electron Microscopy (SEM). The effect of fiber surface modification on the mechanical as well as electrical properties of the composites was evaluated. Fiber surface modification was found to influence both mechanical as well as electrical properties of the composite. The mechanical properties were found to be improved based on the improved interaction between the fiber and the matrix which in turn was found to be d...
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