By using dimethylamino ethyl methacrylate to modify acrylate resin, we acquired a new type of acrylate resin with reactive amino group. Further, we engineered a modified acrylic-epoxy powder coating.

Content of isocyanate group in waterborne polyurethane prepolymer is tested with acetone as solvent, n-dibutylamine - toluene solution as reaction liquid and ethyl acetate as thinner.