Polyurethane foam and process for its preparation
AssigneeThe Dow Chemical Company
InventorsOlga Milovanovic-Lerik, Hanno R. van der Wal, Ulrich Tribelhorn
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Abstract
A polyurethane foam is the reaction product of at least one polyol and at least one polyisocyanate in the presence of at least one blowing agent. The polyol contains a polymer polyol dispersion prepared by reacting an epoxy resin with an epoxy hardener in the presence of a liquid polyol.
Claims14
A polyurethane foam which is the reaction product of at least one polyol and at least one polyisocyanate in the presence of at least one blowing agent wherein the polyol is at least partially a polymer polyol dispersion prepared by reacting an epoxy resin with from about 0.3 to about 2.5 moles of an epoxy hardener per mole of epoxy resin, in the presence of a liquid polyol.
Dependencies are inferred from the claim text.