Abstract
Conventional polymers such as polyvinyl chloride generally show comparatively good durability in mild environments. As the quantity of plastics waste is now increasing, such good durability for polymers is not necessarily desirable from the point of environmental pollution due to diffusion of plastics waste. Thus, degradable polymers are demanded for special purpose. In this report, the photosensitizer benzophenone was grafted to polyvinyl chloride(PVC1) to investigate effects of enhancement of photo degradability of PVC1. Friedel-Crafts reaction was applied for this reaction. Formation of the carbonyl group in PVC1 and the molecular weight depression by UV irradiation was discussed. It was found that the graft of benzophenone to PVC1 was efficient for
enhancement of photo decomposition of PVC1.
