Oxazolidone ring containing adducts
AssigneeDow Global Technologies LLC
InventorsJoseph Gan, Emile C. Trottier
Life of this patent
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Abstract
Embodiments include oxazolidone ring containing adducts obtainable by combining an aliphatic epoxy compound, an aromatic epoxy compound, and a diisocyanate. Embodiments further include a curable powder coating composition including a resin component and a hardener component, where the resin component includes the oxazolidone ring containing adduct.
Claims5
A curable powder coating composition comprising a resin component and a hardener component, where the resin component includes an oxazolidone ring containing adduct formed by reacting an aliphatic epoxy compound, a first diisocyanate and a catalyst to form a first adduct;
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- reacting a second diisocyanate with a mixture of the first adduct and an aromatic epoxy compound to form the oxazolidone ring containing adduct, wherein the oxazolidone ring containing adduct is chemically reactive with the hardener component, and the hardener component is selected from the group consisting of amines, anhydrides, carboxyl-functional polyesters, and combinations thereof.
Dependencies are inferred from the claim text.