Photochemical Degradation and Biological Defacement of Polymers — I
Photodegradation caused by the ultraviolet portion of terrestrial solar radiation has been studied extensively.1–6 Polymer photodegradation has been examined mainly through changes in various physical properties such as physical strength, impact resistance, color and gloss retention. Many changes in the physical properties of exposed polymer have been directly related to chemical changes induced by UV radiation.
KeywordsSurface Integrity Peroxy Radical Nitroxyl Radical Aureobasidium Pullulans Light Stabilizer
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