Abstract
Five groups of polyacrylate dispersion are prepared with emulsion polymerization technique. Methyl acrylate (MA), ethyl acrylate (EA), butyl acrylate (BA) and styrene (St) are employed as basic polymerizing monomers; acrylic acid (AA) and glycidyl methacrylate (GMA) as reactive monomers; sodium dodecylsulfate (SDS), composite fatty alcohol ether polyethylene oxide (composite AEO) as emulsifier and ammonium persulfate (APS) as initiator. The polymerizing monomers and their charge ratio, pH of pre-emulsions and product emulsions as well as the dosage of ecological cross linker GMA are changed for their effects on the reaction conversion rate, gelatinization rate and staining resistance, yellowing resistance and water tolerance of samples. The studies show that the pH value of pre-emulsion and product emulsion as well as GMA content act on remarkable effects on the application properties of the ecological polyacrylate pigment binder.
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