Figure 1
From: Controlling unequal surface energy results caused by test liquids: the case of UV/O3 Treated PET
(a) Comparison of surface tension values found in the literature and experimented in the lab, (b) UV/ozone treatment process, (c) contact angles of test liquids on PET as a function of treatment time, (d) comparison of PET surface energy based on the OW and AMF.
