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Synthesis and Physico-Chemical Analysis of Epoxy Methacrylate of (2E, 6E)-2,6-Bis(4- hydroxybenzylidene)cyclohexanone

DHARMESH B. SANKHAVARA, JALPA V. CHOPDA, JIGNESH P. PATEL, PARSOTAM H. PARSANIA*

Department of Chemistry, Saurashtra University, Rajkot-360 005, Gujarat, India

* Corresponding Authors: e-mail:email, email

Journal of Polymer Materials 2019, 36(4), 371-379. https://doi.org/10.32381/JPM.2019.36.04.6

Abstract

The epoxy methacrylate of (2E,6E)-2, 6-bis(4-hydroxybenzylidene)cyclohexanone (EBHBCMA) was synthesized by condensing 0.02 equi. EBHBC, 0.04 equi. methacrylic acid, 50 mL THF as a solvent and 0.2 mL triethylamine as a catalyst at reflux temperature for 1-5 h to get acid value < 10. EBHBCMA showed good solubility in common solvents. The structure of EBHBCMA was supported by UV-Vis., FTIR, 1 H NMR, and 13C NMR spectroscopic techniques. DSC thermogram of EBHBCMA exhibited two endothermic peaks (86.4 and 117.1 °C) and one exothermic peak (142.6°C) due to moisture release, melting and curing of the resin, respectively. EBHBCMA is thermally stable up to about 316 °C and followed single step degradation reaction. EBHBCMA followed apparently second order (1.7) degradation kinetics with 277.69 kJ mol-1 energy of activation, 5.93 × 1018 s-1 frequency factor and entropy change of 107.4 JK-1mol -1.

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APA Style
SANKHAVARA, D.B., CHOPDA, J.V., PATEL, J.P., PARSANIA, P.H. (2019). Synthesis and physico-chemical analysis of epoxy methacrylate of (2E, 6e)-2,6-bis(4- hydroxybenzylidene)cyclohexanone. Journal of Polymer Materials, 36(4), 371-379. https://doi.org/10.32381/JPM.2019.36.04.6
Vancouver Style
SANKHAVARA DB, CHOPDA JV, PATEL JP, PARSANIA PH. Synthesis and physico-chemical analysis of epoxy methacrylate of (2E, 6e)-2,6-bis(4- hydroxybenzylidene)cyclohexanone. J Polym Materials . 2019;36(4):371-379 https://doi.org/10.32381/JPM.2019.36.04.6
IEEE Style
D.B. SANKHAVARA, J.V. CHOPDA, J.P. PATEL, and P.H. PARSANIA "Synthesis and Physico-Chemical Analysis of Epoxy Methacrylate of (2E, 6E)-2,6-Bis(4- hydroxybenzylidene)cyclohexanone," J. Polym. Materials , vol. 36, no. 4, pp. 371-379. 2019. https://doi.org/10.32381/JPM.2019.36.04.6



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