To improve the hydrophobicity,tensile strength and water resistance of acrylic resins,fluorosilicon modi-fied acrylic resins were prepared.The acrylic resins befor and after modification were characterized by infrared spec-troscopy(FTIR),thermogravimetric(TGA)and gel chromatography(GPC),and the modified acrylic resin coating was test-ed.The results showed that the properties of the coating prepared by adding perfluorodecyl trimethoxysilane and tetraethyl silicate into the acrylic resin with HT-100 curing agent were greatly improved.The hydrophobic effect was best when the content of fluorosilicon modifier was 25％,and the water contact angle increased from 83.8° to 140.5°.
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