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AssigneeAkzo Nobel N.V.
InventorsKeimpe Jan van den Berg, Judith Johanna Maria Adriana Loenen, Frederik Rous, Huig Klinkenberg, Eric Gerardus Johanus Oude Spraakste, Arie Noomen
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The invention pertains to a coating composition comprising a) a first compound comprising at least one bicyclo-orthoester group, b) a second compound comprising at least two isocyanate groups, and c) a third compound comprising at least one thiol group. The invention also relates to a process for curing the present coating composition. More particularly, the latent hydroxyl groups of the bicyclo-orthoester groups have to be deblocked and reacted with the isocyanate-groups of the second compound if the present coating composition is to be cured.
A coating composition comprising
A three-component system, wherein a first component comprises at least one bicyclo-orthoester compound and the thiol-functional compound, a second component comprises at least one isocyanate-functional compound, and a third component comprises a first catalyst for the hydrolysis of the bicyclo-orthoester compound.
A three-component system wherein a first component comprises at least one bicyclo-orthoester compound, a second component comprises at least one isocyanate-functional compound, and a third component comprises a first catalyst for the hydrolysis of the bicyclo-orthoester compound and at least one thiol-functional compound.
A four-component system, wherein a first component comprises at least one bicyclo-orthoester compound, a second component comprises at least one isocyanate-functional compound, a third component comprises a first catalyst for the hydrolysis of the bicyclo-orthoester compound, and a fourth component comprises the thiol-functional compound.
Dependencies are inferred from the claim text.