| abstract |
The present invention is a polyurethane dispersion, a method for preparing the same, a coated article and a method for coating the article. The polyurethane dispersions according to the invention comprise (a) at least one natural oil-based polyol, at least one adipate polyol and optionally at least one, dissolved in dipropylene glycol dimethyl ether in the presence of at least one first surfactant. At least one polyurethane unit derived from at least one prepolymer comprising a mixture comprising a short diol and a reaction product of at least one isocyanate, and (b) a polyurethane dispersion comprising water. |