Two-component polyurethane coating composition, coating formed from the two-component polyurethane coating composition and coated article

A two-component polyurethane coating composition comprising:

• component A comprising an aqueous dispersion of at least one hydroxyl functional resin;
• and
• component B comprising at least one non-hydrophilic isocyanate curing agent and at least one diluent,
• wherein the at least one diluent comprises at least one cyclic carbonate ester, and optionally, at least one alkyl glycol ester that does not have an ether bond;
• wherein the at least one cyclic carbonate ester comprises ethylene carbonate (EC), propylene carbonate (PC), 1,2-butylene carbonate and 2,3-butylene carbonate, or combinations thereof;
• wherein the at least one diluent further comprises at least one low boiling point solvent, and the at least one low boiling point solvent has a boiling point of 160° C. or lower, wherein the at least one low boiling point solvent comprises propylene glycol monomethyl ether acetate (PMA), dipropylene glycol dimethyl ether (DMM), methyl ethyl ketone (MEK), acetone, methyl isobutyl ketone, cyclohexanone, toluene, xylene, trimethylbenzene, solvent naphtha 100, 2-methyl propanol acetate (MPA) and n-butyl acetate (BAC), or combination thereof.