Research Article
Highly Accelerated Aging Method for Poly(ethylene terephthalate) Film Using Xenon Lamp with Heating System
Figure 2
FT-IR transmission spectra of PET film specimens. 1: original PET film, 2: 180 W/m2 at 32°C for 192 h by weathering test meter, 3: 166 W/m2 at 150°C for 8 h by new system, and 4: 222 W/m2 at 150°C for 6 h by new system.