photon and convert it to heat. Typical UV-absorbers are hydroxy-substituted benzophenones, related to the chemicals used in sunscreen. See also Plastic bag Polymer degradation UV degradation References Sources Boltres, Bettine, "When glass meets pharma", ECV Editio Cantor, 2015, Chemical reactions Plastics and the environment Biodegradable waste management Photochemistry Light Molecular biology Environmental chemistry