Oxygen Barrier Properties and Melt Crystallization Behavior of Poly(ethylene terephthalate)/Graphene Oxide Nanocomposites

Table 2

Oxygen permeability of PET/GO nanocomposite films.

Sample	GO	Thickness	O2 transmission rate^a
	wt %	m	cm^3/m^2 24 h
PET	—	320	48.6 ± 3.7
PET/0.1GO	0.1	326	23.7 ± 2.3
PET/0.3GO	0.3	322	18.6 ± 1.6
PET/0.5GO	0.5	320	14.6 ± 2.1

Measured at 23°C and 0% relative humidity.