Cure mechanism and kinetic prediction of biobased glass/polyfurfuryl alcohol prepreg by model-free kinetics
Journal article
Odiyi, D.C., Sharif, T., Choudhry, R.S. and Mallik, S. 2022. Cure mechanism and kinetic prediction of biobased glass/polyfurfuryl alcohol prepreg by model-free kinetics. Thermochimica Acta. 708, p. 179133. https://doi.org/10.1016/j.tca.2021.179133
| Authors | Odiyi, D.C., Sharif, T., Choudhry, R.S. and Mallik, S. |
|---|---|
| Abstract | This paper explains the cure reaction mechanisms of a novel bio-based glass/Polyfurfuryl prepreg using an experimental and numerical approach. It suggests optimized parameters of rapid curing for isothermal curing conditions. Dynamic scanning calorimetry (DSC) under non-isothermal conditions was used to determine parameters for the two model-free kinetic methods Friedman and Ozawa Flynn Wall. The average activation energy (88.9 ± 4.9 kJ/mol) was found to be higher than that reported for neat resin in literature. The validated models were used to gain insight into reaction mechanisms and were used to predict the evolution of reaction time under isothermal conditions for the PFA prepreg. This suggested that the curing time can be reduced to half by rapidly heating and maintaining isothermal conditions at 160°C, which provides faster curing using hot-press. In addition, dynamic mechanical analysis (DMA) was carried out to compare the manufacturer recommended cure cycle with the rapid cycle suggested. |
| Keywords | Biobased glass/polyfurfuryl alcohol; prepreg (PFA)Cure kinetics; Cure process; DSC experiments |
| Year | 2022 |
| Journal | Thermochimica Acta |
| Journal citation | 708, p. 179133 |
| Publisher | Elsevier BV |
| ISSN | 0040-6031 |
| Digital Object Identifier (DOI) | https://doi.org/10.1016/j.tca.2021.179133 |
| Web address (URL) | http://hdl.handle.net/10545/626227 |
| https://www.elsevier.com/tdm/userlicense/1.0/ | |
| http://creativecommons.org/licenses/by-nd/4.0/ | |
| hdl:10545/626227 | |
| Publication dates | 26 Dec 2022 |
| Publication process dates | |
| Deposited | 21 Jan 2022, 14:56 |
| Accepted | 18 Dec 2021 |
| Rights | © 2022 Elsevier B.V. All rights reserved. |
Attribution-NoDerivatives 4.0 International | |
| Contributors | University of Derby |
| File | File Access Level Open |
| File | File Access Level Open |
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