The acrylic resins containing fluorine/silicone side chains were synthesized by solution copolymerization with 1H

1H

7H-dodecafluoroheptyl methacrylate (FMA)

monomethacryloxyalkyl-terminated PDMS (SMA)

methyl methacrylate (MMA)

n-butyl acrylate (BA)

n-butyl methacrylate (BMA) and ethyl acrylate (EA) as the comonomers.A solution of toluene and butyl acetate (weight ratio 1∶1) was initially charged to a 250 mL four-neck flask with a condenser

a nitrogen inlet and a mechanical stirrer.The mixture was then degassed for 15 min and immersed into an oil bath at 85℃ with a slow nitrogen purge.The mixture of FMA

SMA

MMA

BA

BMA

EA and 0.8% azobisisobutyronitrile (AIBN) ( based on the content of the comonomers)was slowly added dropwise over 2 h.0.4% AIBN was slowly added after the reaction was stirred over 1.5 h.The solution was heated to 110℃ and stirred for 2 h.The solid content of copolymer solution was 50%.The as-prepared copolymer was characterized by 1H-NMR

19F-NMR and FTIR.The effects of FMA and SMA content on the properties of polymer coatings were investigated by scanning electron microscopy (SEM) and contact angle analysis.The marine antifouling properties of the materials were evaluated by laboratory assays employing the fouling Sulfate-Reducing bacteria.The results showed the surface energy of fluorine modified acrylic resins and silicone modified acrylic resins were greater than 24 mJ/m2 and 29 mJ/m2

respectively.However

fluorine/silicone synergistically modified acrylic resins had lower surface energy (＜21 mJ/m2) and better anti-biofouling properties than fluorine or silicone-modified acrylic resins and a standard poly(dimethyl siloxane) (PDMS).