Antimicrobial Polyethylene through Melt Compounding with Quaternary Ammonium Salts

Figure 4

Surface concentration of N⁺ head groups as a function of N-content in the quat molecule. (a) Results before and after leaching for PE samples containing 5 wt-% quat. (b) PE samples containing 1 and 3 wt-% quat, respectively.

(a)

(b)