Research Article

Correlation between Cohesive Energy Density, Fractional Free Volume, and Gas Transport Properties of Poly(ethylene-co-vinyl acetate) Materials

Figure 1

Dependence of CED and CED/FFV on VA content for pure EVA copolymers (empty symbols) and for copolymer blends (stars). Dependence of 1/FFV was plotted based on the data from the previous work [17] with permission from A. Wolinska-Grabczyk, P. Kubica, A. Jankowski, and J. Membrane Sci., 443, 227–236, Elsevier, copyright 2013.