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US 7,452,935 B2Granted
Durable two-part polyurethane floor coating
AssigneeRohm and Haas Company
InventorsCaroline S. Slone, Theodore Tysak
Life of this patent
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Abstract
A two-component floor coating composition comprising: (a) an aqueous solution of a polyhydroxypolyacrylate having acid groups neutralized with a tertiary amine containing at least two hydroxy groups; said solution comprising an organic solvent; and (b) an aliphatic polyisocyanate.
Claims18
A two-component floor coating composition comprising:
- (a) an aqueous solution of a polyhydroxypolyacrylate having acid groups;
- said solution comprising an organic solvent;
- and
- (b) an aliphatic polyisocyanate which is soluble or dispersible in water;
- wherein the polyhydroxypolyacrylate comprises at least 30% of monomer units derived from hydroxy-functional monomers and no more than 10% of monomer units derived from acid-functional monomers;
- and wherein the acid groups in the polyhydiroxypolyacrylate are neutralized with a trialkanolamine, a C1-C4 unsubstituted alkyl dialkanolamine, or a reaction product of a secondary diamine with an alkylene oxide.
3 more elements
Dependencies are inferred from the claim text.