Patent Number: 6,166,127

Title: Interpenetrating networks of polymers

Abstract: A process for producing a coating compositions having superior solvent resistance and film hardness comprising an interpenetrating network of a polyurethane component and a functionalized waterborne polymer, wherein the polyurethane component is prepared in the presence of the functionalized waterborne polymer and said polyurethane component and said waterborne polymer are crosslinked directly or indirectly via the chain extender.

Inventors: Tomko; Revathi R. (North Olmsted, OH)

Assignee: The Sherwin-Williams Company

International Classification: C08G 18/08 (20060101); C08G 18/12 (20060101); C08G 18/66 (20060101); C08G 18/62 (20060101); C08G 18/00 (20060101); C08G 18/72 (20060101); C08L 083/00 ()

Expiration Date: 12/26/2017