Waterborne epoxy resin coatings without organic solventcan form the film which is permeable to air but impermeable to water. This property overcome the drawbacks of solvent based epoxy resin coating. The research of waterborne epoxy resin coatings system without volatile organic compounds(VOC) orhazardous air pollutants(HAP) has been a hot topic around the world.Recently, the study on epoxy resin coatingin our country was mainly about preparation methods of waterborne epoxy resin and modification of epoxy r...