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Silicone acrylic resin was introduced in silicone or silicone acrylic polymer backbone, this kind of resin has advantages of acrylic resin and silicone resin, coating has the advantages of high weather resistance, water resistance, stain resistance etc.. Since twentieth Century 90 years, acrylate and vinyl silicone unsaturated monomer copolymerization for organosilicon grafting modified acrylate emulsion (referred to as the silicone acrylate emulsion, emulsion) has become a hot research field.

With the building to the high-level, large-scale development, the requirements of high-rise building outer wall coating cycle generally at least 15 years, therefore, high performance, low pollution of silicone acrylate emulsion and silicone acrylic exterior wall coating has become the focus of attention in recent years, the paint industry.

The key of silicone acrylate emulsion coating for exterior wall are prepared by synthesis of silicone acrylic resin. Containing reactive vinyl groups active silicone monomer and having a cyclic structure of siloxane monomers with higher end, organic polysiloxane and acrylic resin macromolecules backbone connected (via double bond copolymerization), the other end of long chain Si-0 stretching out into the surface of the base, which shows the characteristics of the silicone resin in silicone acrylic resin. Dry film silicone acrylic resin, siloxane hydrolysis, polycondensation, interpenetrating network three-dimensional cross-linked solid formed between polymer molecules and between the polymer and substrate, the coating has excellent weatherability and stain resistance, hydrophobicity and adhesion. Synthesis of organosilicon modified acrylate emulsion formulations.