Syntheses of hexafunctional epoxy resin of bisphenol-C-formaldehyde and unsaturated polyester resin for the fabrication of jute and glass hybrid composites and evaluation of mechanical, electrical and water absorption characteristic properties
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Hexafunctional epoxy resin of bisphenol-C-formaldehyde (HEBCF) and unsaturated polyester resin of maleic anhydride and propylene glycol (PER) were synthesized and used for the preparation of jute and glass hybrid composites. The composites were prepared by hand layup followed by compression molding technique. Both types of the hybrid composites possess good mechanical properties. G-HEBCF-PER possesses almost doubled mechanical properties than J-HEBCF-PER except Barcol harness, which is comparable. G-HEBCF-PER and J-HEBCF-PER possess moderate electrical properties due to their polar nature. G-HEBCF-PER and J-HEBCF-PER possess excellent hydrolytic stability, high water absorption tendency (~ 18%) and long equilibrium time (456h) due to presence of hydrophilic hydroxyl and other polar groups in the hybrid composites. The hybrid composites may be useful for low load bearing and marine applications.
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