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Comparison of Photo Degradation Behavior of LDPE using Accelerated Weathering Instruments
Samples of low-density polyethylene (LDPE) were photodegraded using accelerated weathering instruments and outdoor exposure. The physical properties and chemical structures of the photodegraded samples were studied through a tensile test, gel chromatography, and infrared spectroscopy. The molecular weight distribution of a photodegraded sample by using a fluorescent UV lamp at a high black panel temperature (80℃) was more similar to that of an outdoor-degraded sample than that of otherdoi:10.3323/jcorr.64.139 fatcat:mvasaepnkngbjh2ecyvkwbe2a4