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Synthesis and Characterization of Bisphenol-C Epoxy Crotonate and Its Fiber-Reinforced Composites

PARSOTAM H. PARSANIA1,*, JIGNESH V. PATEL2, JIGNESH P. PATEL3

1,2,3 Polymer Chemistry Division, Department of Chemistry, Saurashtra University, Rajkot, Gujarat, India

* Corresponding Authors: e-mail: email and email

Journal of Polymer Materials 2023, 40(3-4), 271-284. https://doi.org/10.32381/JPM.2023.40.3-4.9

Abstract

Bisphenol-C epoxy crotonate resin was synthesized by reacting 8.09g epoxy resin of bisphenolC, and 2.15g crotonic acid using 25 mL 1,4-dioxane as a solvent, and 1 mL triethylamine as a catalyst at reflux temperature for 1-6 h. Solid epoxy crotonate (ECCR) is highly soluble in common organic solvents. ECCR was characterized by its acid (24.5-1.5 mg KOH/g) and hydroxyl (504.5-678.4 mg KOH/g) values. The structure of ECCR is supported by FTIR and 1 HNMR spectroscopic methods. A DSC endothermic transition at 229o C indicated melting followed by thermal polymerization of ECCR. ECCR is thermally stable up to 320o C and follows three-step degradation kinetics. The first step followed first-order degradation kinetics, while the second and third steps followed one-half-order degradation kinetics. High values of kinetic parameters suggested the rigid nature of the crosslinked resin. Jute-, Glass- and Jute-natural fiber-ECCR composites showed moderate tensile strength, flexural strength, electric strength, and volume resistivity due to the rigid nature and poor interfacial adhesion of the composites. J-ECCR and G-ECCR composites showed high water absorption tendency and excellent hydrolytic stability against water, 10% aq. HCl and 10% aq. NaCl and even in boiling water. Mechanical and electrical properties and water absorption tendency of the composites indicated their usefulness as low load-bearing housing and insulating materials. They can also be utilized in harsh environmental conditions.

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APA Style
PARSANIA, P.H., PATEL, J.V., PATEL, J.P. (2023). Synthesis and characterization of bisphenol-c epoxy crotonate and its fiber-reinforced composites. Journal of Polymer Materials, 40(3-4), 271-284. https://doi.org/10.32381/JPM.2023.40.3-4.9
Vancouver Style
PARSANIA PH, PATEL JV, PATEL JP. Synthesis and characterization of bisphenol-c epoxy crotonate and its fiber-reinforced composites. J Polym Materials . 2023;40(3-4):271-284 https://doi.org/10.32381/JPM.2023.40.3-4.9
IEEE Style
P.H. PARSANIA, J.V. PATEL, and J.P. PATEL, “Synthesis and Characterization of Bisphenol-C Epoxy Crotonate and Its Fiber-Reinforced Composites,” J. Polym. Materials , vol. 40, no. 3-4, pp. 271-284, 2023. https://doi.org/10.32381/JPM.2023.40.3-4.9



cc Copyright © 2023 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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