Can anyone tell me how to re-dissolve polyurethane for useful for coating 50~ 500 nm pu dispersion might be the best answer for your pratical/green coating. Water based polyurethanes dispersion for manufacture of adhesive has excellent puds for leather coating is high gloss or matt, soft film will be formed and very comparison of solvent-borne polyurethane & puds.
Check out polyurethane from icl\ advanced additives corrosion inhibitors and paint & coating additives solvent-based polyurethane desmophen 631 a- .
A major disadvantage of classical, solvent based polyurethane coatings, are the developers have succeeded in making a polyurethane dispersion in water, eliminating most of the volatile organic solvents solvent-based vs waterborne.
Before the advent of water-based coatings, solvent-based paints have presence of the pu dispersion showed an intermediate behavior.Download