Research Article
Investigation of the Impact of Chemical Modifications on the Photostability of Polymethyl Methacrylate
Table 1
Physical properties of PMMA materials.
| No. | PMMA film | Color | Conversion (%) | M.P. (°C) |
| 1 | PMMA (blank) | White | — | 160–162 | 2 | PMMA/Schiff base | Pale yellow | 75 | 220–222 | 3 | PMMA/Schiff base/Me | Yellow | 72 | 264–266 | 4 | PMMA/Schiff base/Bu | Yellow | 74 | 280–282 | 5 | PMMA/Schiff base/Ph | Dark yellow | 75 | 290–292 |
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