A high-performance styrene acrylate emulsion specially developed for the backside and interfacial treatment of low water absorbent ceramic tiles, antique tiles, and other decorative tiles. It is a silane-modified styrene acrylate emulsion with excellent bonding strength, excellent water resistance, high temperature aging resistance and good workability. It can effectively bond to the backside of tiles, and meanwhile effectively bond with tile bonding materials to ensure the firmness of tile adhesion. The polymer is environmentally friendly, no formaldehyde or formaldehyde releasing agents, no APEO and plasticizers are added in the product.