Abstract
A new type of acrylate zinc fluorinated polymer (AZFP) is designed and successfully prepared through grafting basic zinc 4-hydroxycinnamate onto the side chain of acrylate fluorinated polymers via dehydration reaction. The Zn(II) (COO–Zn–COO) in the polymer can hydrolyze in seawater so as to slowly release green antibacterial p-coumaric acid (p-CA) and simultaneously expose hydrophobic fluorinated side chains to form a fluorinated micro/nanostructure surface with excellent antifouling properties. In addition, lab results reveal that fouling organisms such as E. coli, bovine serum albumin (BSA), and chlorella are hard to adhere to and colonize on the polymer surface. Significantly, marine field tests demonstrate that the polymer has an excellent static anti-biofouling performance for over 240 days without resorting to adding any biocidal or toxic agents. This work provides a novel synergistic strategy for coordinating multiple green antifouling mechanisms to work together effectively, which would aid the development of environmentally friendly antifouling polymers.
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