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. 2018 Sep 24;3(9):11759–11769. doi: 10.1021/acsomega.8b01353

Table 1. PET, PLA, and EBA–GMA Contact Angles, Extrapolated Surface Tensions, Including Polar and Dispersive Components, and Geometric Mean Interfacial Tensions.

	contact angle (°)		surface tension (mN m^–1) @ 270 °C			interfacial tension (mN m^–1) @ 270 °C
material	water	diiodomethane	γ	γ^d	γ^p
PET	55.4 (±0.3)	43.7 (±1.2)	36.2	18.5	17.7	PET/PLA	2.1
PLA	61.6 (±4.4)	63.0 (±0.9)	27.3	8.2	19.2	PET/EBA–GMA	15.3
EBA–GMA	101.8 (±0.6)	51.9 (±0.8)	18.3	18.2	0.1	PLA/EBA–GMA	18.7