Photo-oxidation is the oxidation of a polymer initiated by light. It involves the absorption of light energy by the polymer, which can lead to the formation of free radicals and the reaction with oxygen. Photo-oxidation can cause significant degradation of polymers, especially those used outdoors.

光氧化是由光引发的聚合物的氧化。它涉及聚合物吸收光能，这可能导致自由基的形成和与氧气的反应。光氧化会导致聚合物显着降解，尤其是那些在户外使用的聚合物。