Abstract
As an environment-protecting waterborne coating, the cathodic electrodeposite coating has wide applications prospects.The self-crosslinked acrylate grafted epoxy resins for cathodal electrophoretic coating were synthesized by grafting acrylic polymer onto epoxy resin . This epoxy-acrylic copolymer both have high modulus, high-strength ,excellent chemical resistance and corrosion resistance of epoxy resin, and both have the light-acrylic resin fullness, good weather resistance and other characteristics of acrylic resin,which are widely used in the automotive, building materials, home appliances and other fields.The electrophoretic coating is an extremely complex process. The effects of the parameters of electrophoretic technology on the properties of paint films were studied systemically.The results show that the electrophoretic paint with better appearance and propeties can be made when voltage was about 90V,the solid share was 16%,pH was 5.8and electrophoresis time was 2-3min.
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