Photo-oxidative Degradation of LDPE in the Presence of Cobalt Naphthenate and 2-Benzoylbenzoic Acid

In this research, the effects of cobalt naphthenate and 2-benzoylbenzoic acid on photo-oxidative degradation of LDPE have been studied. Carbonyl index, mechanical properties, crystallinity and density of the tested materials were studied before and after UV-irradiation. The results show that by increasing cobalt naphthenate the rate of degradation increases but by incorporation of 2- benzoylbenzoic acid the degradation rate decreases. Also, concentration of cobalt naphthenate and time of irradiation are affected on degradation of LDPE samples.

کلیدواژه ها:

photo-oxidative degradation ، cobalt naphthenate ، 2-bezoylbenzoic acid ، LDPE