Kaijser, Tim (2026) Scale up of the Diels-Alder self-healing monomer F3. Bachelor's Thesis, Chemical Engineering.
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Abstract
Self-healing polymers based on thermo-reversible Diels-Alder offer a promising solution in extending polymer lifespans and reducing plastic waste. This study investigates the kinetics, rheology, thermodynamics, and scale-up for the production of F3, a furan functionalized monomer synthesized by an epoxy-amine click reaction between Furfuryl Amine (FA) and Furfuryl Glycidyl Ether (FGE). By using 1H-NMR, it was determined that the reaction is autocatalyzed by the formed hydroxyl groups, with an activation energy of 65 kJ/mol. Diffusion limitations in this mono-functional system arose at high conversions above 85%, which were also linked to a sharp increase in viscosity. Rheology confirmed that F3 exhibits shear-thinning properties and follows the Arrhenius temperature dependence with a viscosity of 0.035 Pa · s at 70 °C under high shear. Differential Scanning Calorimetry (DSC) showed a highly exothermic initial reaction due to the release of epoxide ring strain, showing that managing heat release in upscaling is essential. Reactor designs for a production of 1000 kg/day were evaluated in a Plug Flow Reactor (PFR), a CSTR, and a Batch reactor. The batch reactor is the recommended direction for upscaling because the sizes of the PFR and CSTR are impractical.
| Item Type: | Thesis (Bachelor's Thesis) |
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| Supervisor name: | Tempel, P. van den and Hommes, A. |
| Degree programme: | Chemical Engineering |
| Thesis type: | Bachelor's Thesis |
| Language: | English |
| Date Deposited: | 03 Jul 2026 14:34 |
| Last Modified: | 03 Jul 2026 14:34 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/37338 |
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