Moisture curing of polymer coating compositions containing isocyanatoalkyl esters of unsaturated carboxylic acids
First Claim
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1. A method of curing a polymer containing an isocyanatoalkyl ester of an unsaturated carboxylic acid, comprising contacting the polymer with a sufficient amount of water to substantially cross-link the isocyanate groups.
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Abstract
A polymer containing an isocyanatoalkyl ester of an unsaturated carboxylic acid and optionally, another addition polymerizable monomer, is cross-linked using water as a curing agent. Water may be mixed into the composition or transmitted to the polymer by the atmosphere. The cross-linked polymer forms a solid, insoluble coating material which is useful as an industrial coating.
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12 Claims
- 1. A method of curing a polymer containing an isocyanatoalkyl ester of an unsaturated carboxylic acid, comprising contacting the polymer with a sufficient amount of water to substantially cross-link the isocyanate groups.
- 7. A method of curing a polymer containing an isocyanatoalkyl ester of an unsaturated carboxylic acid, comprising exposing the polymer to a moisture-containing atmosphere for a time sufficient to substantially cross-link the polymer.
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