PHOTODEGRADATION AND HEAT-SEAL AGENTS FOR MATRIX RESINS OR PLASTICS

摘要

A mixture of the anatase form of TiO2 and a photodegradation polymer containing carbonyl groups along the polymer chain (especially an ethylene copolymer) synergistically enhances the photodegradation rate of polymeric matrix materials. Other additives such as rutile TiO2 and/or other UV-sensitive or UVabsorbent or UV-stabilizing materials can be present to regulate the photodegradation rate. Furthermore, the presence of TiO2 having an acid surface and said CO-containing polymer extends the heat seal temperature range of heat-sealable polymeric matrix material. 36,159-F