Polyesters and polyester-urethanes stabilized with isoureas or isocyanate adducts thereof
AssigneeImperial Chemical Industries PLC
InventorArthur Ibbotson
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Abstract
A composition of matter which comprises a compound containing one or more ester groups, especially a polyester polyol or a polyester-urethane, and, as a stabilizer against hydrolysis, an isourea or an isocyanate adduct thereof.
Claims5
A composition of matter which comprises a compound containing one or more ester groups selected from the group consisting of polyesters and polyesterurethanes and a stabilizing amount of a stabilizer against hydrolysis selected from the group consisting of isourea and isocyanate adducts thereof the amount of said stabilizer being 0.1 to 10 parts by weight per 100 parts of said ester group-containing compound.
Dependencies are inferred from the claim text.