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The composition of the unactivated UPHM resin used in the study
| Monomer | Molecular mass |
Acronym | Mass fraction, % |
|---|---|---|---|
| urethane dimethacrylate | 470 | UDMA | 49.2 |
| poly(ethyleneglycol)-extended UDMA | 870 | PEG-U | 30.3 |
| 2-hydroxyethyl methacrylate | 130 | HEMA | 17.5 |
| methacryloyloxyethyl phthalate | 278 | MEP | 3.0 |
