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Glass transition temperature (Tg) of virgin and irradiated acrylate copolymers containing 3% 7-methacryloyloxy coumarin as photoreactive pendant groups.
| Polymers | Tg (°C) | ||
|---|---|---|---|
| Virgin Sample | Irradiation with 254 nm | Irradiation with 365 nm | |
| BMA | 70 | 52 | 67 |
| MA | 65 | 50 | 62 |
| HMA | 46 | 43 | 44 |
| EA | – | 32 | 35 |
