Cytec Technology Corporation

R B Gupta

Robert G Lees

A process for preparing a tris-lactam crosslinking agent, tris-pyrrolidonyl triazine, from N,N',N'-tris(4-chlorobutyryl)melamine by treatment of the chlorobutyryl derivative with a base such as sodium or potassium carbonate to effect intramolecular cyclization to the tris-lactam. A curable composition comprised of tris-pyrrolidonyl triazine as the crosslinking agent and a hydroxyfunctional or aminofunctinoal material as a resin. Thick films with no pinholes are prepared from the curable compositions using powder coating techniques.

Crosslinked film of tris-pyrrolidonyl triazine and polyfunctional active

A process for preparing a tris-lactam crosslinking agent, tris-pyrrolidonyl triazine, from N,N',N'-tris(4-chlorobutyryl)melamine by treatment of the chlorobutyryl derivative with a base such as sodium or potassium carbonate to effect intramolecular cyclization to the tris-lactam. A curable composition comprises tris-pyrrolidonyl triazine as the crosslinking agent and a hydroxyfunctional or aminofunctinoal material as a resin. Thick films with no pinholes are prepared from the curable compositions using powder coating techniques.

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Bronx, NY, United States of America

R B Gupta