Abstract
The hydrophilic carboxylic group was induced into the main chain of the bisphenol-A-type epoxy resin via alcoholysis reaction between the maleic anhydride and he secondary hydroxyl group of the bisphenol-A-type epoxy resin. Then a self-emulsifying type aqueous epoxy resin was developed. The chemical structure of the resultant was analyzed by FT-IR. The effects of temperature, time, ratio of reactants and neutralization temperature on the reaction were discussed. Then the optimum reaction condition was determined through orthogonal experiment design. The synthesized waterborne epoxy resin has favorable stability and water-dispersion.
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