Acrylic resin binder with interpenetrating network structure and preparation method thereof

The invention relates to an acrylic resin binder with an interpenetrating network structure and a preparation method thereof, and the method comprises the following steps: simultaneously adding a mixed solution of acrylamide and N, N-methylene bisacrylamide, a first mixed solution and a second mixed solution into a mixed solution of polyvinyl alcohol and organic boron at 80-90 DEG C to obtain a mixed system; uniformly mixing methyl methacrylate, butyl acrylate, glyceryl methacrylate and acrylic acid to obtain a first mixed solution; dissolving an initiator and sodium bicarbonate in deionized water to obtain a second mixed solution; and carrying out heat preservation on the mixed system at 60-120 DEG C for 0.5-3 hours to obtain a reaction solution, and adjusting the pH value of the reaction solution to be neutral to obtain the acrylic resin binder with the interpenetrating network structure. According to the invention, polyvinyl alcohol and five acrylic acid functional monomers are subjected to cross-linking p