Progress on modification of water-based polyurethane

The development of waterborne polyurethane is introduced,including the merits and the disadvantages of waterborne polyurethane. The modification development of waterborne polyurethane is mainly focused on the epoxy resin modification,organic silicone modification, polyacrylate modification and organic fluorine modification. The modification methods can significantly improve the properties of waterborne polyurethane and widen its application fields.