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US 4,395,521 AGranted
Process for curing thermoset resins using phenyl esters of carboxylic acids as latent catalysts
AssigneeUnion Carbide Corporation
InventorsSui-Wu Chow, George L. Brode
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Abstract
Latent catalysts comprising the phenyl esters of certain carboxylic acids are disclosed for use in the cure thermosetting resins curable by an acid catalyst.
Claims10
In a process for the curing of a thermosetting resin which is curable using an acid catalyst, the improvement being the use of a phenyl ester of a carboxylic acid as a latent catalyst, said phenyl ester being hydrolyzable at a temperature greater than 100.degree. C. and in the presence of water to form a carboxylic acid having a pK.sub.a of about 2 or less.
Dependencies are inferred from the claim text.