Composition for preparing waterborne polyurethane and waterborne polyurethane prepared therefrom

摘要

The present invention relates to a composition for producing a water-dispersible polyurethane which is capable of effectively slowing the rate of corrosion of a metal by forming a corrosion-resistant coating film on a surface of a highly corrosive metal, and a water-dispersible polyurethane, And an aqueous dispersion type polyurethane.