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US 5,387,750 AGranted
Two-component urethane in-mold coating composition
AssigneeThe Sherwin-Williams Company
InventorNien-chu Chiang
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Abstract
A method for producing an in-mold coated plastic article having an adherent coating wherein the coating composition has improved surface coverage properties and a fast cure rate. The coating composition contains (a) a first component comprising at least one polyol having at least 4 hydroxyl groups and a viscosity at room temperature of 6000 cps or less; and (b) a second component comprising a solvent-free isocyanate prepolymer. The viscosity of the coating composition is 15000 cps or less at room temperature.
Claims10
A coating composition for use as an in-mold coating composition comprising:
- (a) a first component comprising at least one polyol having at least 4 hydroxyl groups and a viscosity of 6000 cps or less at room temperature;
- and
- (b) a second component comprising a solvent-free isocyanate prepolymer;
- wherein the viscosity of the coating composition is 15000 cps or less at room temperature.
1 more element
Dependencies are inferred from the claim text.