Patent ID: 7622541

Claim:
A polyurethane coating made by: applying to a surface a polyol composition and an isocyanate composition, such that a mixture of the polyol composition and the isocyanate composition is formed during the application; and allowing the mixture to cure to the polyurethane coating; wherein the polyol composition comprises a polyol monomer having the chemical formula: wherein R 1 is a divalent radical selected from aliphatic, aromatic, and ether-containing group; wherein R 2 is a monovalent radical selected from aliphatic, aromatic, ester-containing group, ether-containing group, and acrylic-containing group; wherein R 2 free of —O—CH 2 —CH(OH)— groups; and wherein the polyol monomer is free of epoxy groups and amino hydrogens; wherein the isocyanate composition comprises an isocyanate compound having at least two isocyanate groups; wherein the polyol composition or the isocyanate composition comprises a water scavenger; and wherein the polyol composition or the isocyanate composition comprises a polyurethane catalyst.