Reactive phosphate ester functional emulsifier and preparation method thereof

The invention relates to a reactive phosphate ester functional emulsifier and a preparation method thereof, and belongs to the technical field of emulsifiers. The reactive phosphate ester functional emulsifier is prepared from the following raw materials: vinyl salicylaldehyde, phenyl phosphoryl dichloride, 2-amino-4-fluorothiophenol and glycidyl methacrylate. According to the invention, vinyl salicylaldehyde and phenylphosphoryl dichloride are subjected to graft modification, then imine bond connection is formed with 2-amino-4-fluorothiophenol, and a polymer is generated with glycidyl methacrylate. The emulsifier can enhance the material structure compactness and thermal stability of a coating system. Meanwhile, through the cross-linking charring capacity of the imine structure, fluorine, nitrogen, phosphorus and sulfur elements are contained for synergistic flame retardance, dehydration charring of the coating is promoted, and the flame-retardant effect of the coating is enhanced. 本发明涉及一种反应型磷酸酯类功能乳化剂及其制备方法，