Durable and Washable Antibacterial Copper Nanoparticles Bridged by Surface Grafting Polymer Brushes on Cotton and Polymeric Materials

Figure 3

SEM images of the surface morphologies of raw cotton fibers (a), modified cotton fibers by PMETAC brushes (b), modified cotton fibers by copper nanoparticles (c), modified PET film by copper nanoparticles (d), sectional view of mechanical disruption modified cotton fibers by copper nanoparticles (e), and copper coated cotton fibers by traditional cross-linked polymer (f).

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