Study on emulsion polymerization of synthetic polyacrylic acid as emulsifier acrylic-epoxy resin

polymer emulsifier;  emulsion polymerization;  conversion rate;  Acrylic;  Epoxy

The formula was gradually and regularly changed to synthesize polyacrylic acid copolymers of different compositions, and its emulsification stability ability for polymeric monomers butyl acrylate and styrene was investigated, and a suitable polymer emulsifier formula was obtained. The emulsion polymerization reaction of butyl acrylate-styrene and butyl acrylate-styrene-epoxy resin was carried out by using synthetic polyacrylic acid as a polymer emulsifier, and the influence of multiple factors on the conversion rate of monomers was investigated by using 11-factor 2-position orthogonal experimental design without interaction influence, and it was found that the molecular structure of the synthetic emulsifier, the amount of neutralizing amines and the amount of initiators had great effects on the conversion rate. Combined with the needs of practical application, the 3-factor 5-position quadratic regression orthogonal experimental design with interaction influence was used to investigate the effects of initiator dosage, emulsifier dosage and epoxy resin dosage on the final conversion rate of monomers