A kind of terrace polishing agent polyacrylate dispersion and preparation method

The present invention relates to a kind of terrace polishing agent polyacrylate dispersion, the polyacrylate dispersion is made up of a kind of emulsion particle of core shell structure, the glass transition temperature of stratum nucleare is 40 DEG C~70 DEG C, and the glass transition temperature of shell is 70 DEG C~100 DEG C, and shell is 15%~45% with the mass ratio of stratum nucleare：55%~85%, emulsion particle average grain diameter is 50nm~100nm.The preparation method is that using hud polymerization technique, synthesizing a kind of terrace polishing agent polyacrylate dispersion, weatherability is injured with preferable dirt-resistant, scratch resistance, film has excellent glossiness and cohesive force.