Research Article
A Comparative Study of the Photodegradation of Two Series of Cyclic Olefin Copolymers
Table 3
value of COC films formulated with different prooxidant additives after 30 days aging under UV light.
| | | 6013 | 8007 | 6509 | 8008 | | (°C) | Δ °C | (°C) | Δ °C | (°C) | Δ °C | (°C) | Δ °C |
| | Neat film | 139.6 | | 79.7 | | 79.4 | | 67.4 | | | UV treated film | 132.5 | 7.1 | 80.0 | 0.3 | 78.7 | 0.7 | 66.9 | 0.5 | | w/Mn | 129.8 | 9.8 | 77.3 | 2.4 | 77.8 | 1.6 | 64.1 | 3.3 | | w/Co | 128.5 | 11.1 | 74.3 | 5.4 | 76.2 | 3.2 | 64.6 | 2.8 | | w/Fe | 128.3 | 11.3 | 72.1 | 7.6 | 75.8 | 3.6 | 64.6 | 2.7 |
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