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Synthesis of binary amphiphilic co-networks coatings composed of well-defined tri-arm star diblock copolymers cross-linked with polyhydrosiloxanes through hydrosilylation was performed to generate antifouling surfaces.The PDMS matrix of the networks endows the coating with a low surface energy while the 2-hydroxyethyl methacrylate(HEMA)was added to weaken fouling adhesion.Antifouling characteristics were investigated by bovine serum albumin(BSA)adsorption studies;the coating displayed a 50％greater resistance to protein adsorption in comparison to the fouling of a microscope slide.The unique surface topography and chemical heterogeneity expresscd at a variety of scales provide a robust regime for the generation of complex surfaces known to incorporate characteristics appropriate for antifouling applications.The nontoxicity in relevant environment demonstrated it appropriate for consideration in marine applications.