Crosslinked film of tris-pyrrolidonyl triazine and polyfunctiona

Details Crosslinked film of tris-pyrrolidonyl triazine and polyfunctiona Crosslinked film of tris-pyrrolidonyl triazine and polyfunctiona

1995-06-06

2000-08-22

Sellers, Robert E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524558, 524589, 524601, 5253282, 5253305, 525437, 525523, 525453, 525934, 528367, 528371, 544198, C07D40314, C08G 7306, C08L 3314, C08L 6702

Patent

active

061073695

ABSTRACT:
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.

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patent: 5015676 (1991-05-01), Macholdt et al.
Akkapeddi et al., "Some Mechanistic Aspects of the Anionic Block Copolymerization of Caprolactam and Polyether Diols", Proceedings of International Symposium of 1986, 1987, pp. 313-328.

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