Patent ID: 7635747
Filing Date: 2009-12-22
Classification: B01J,B29C,C08G,C08J

Abstract:
1. A process for preparing a thermoplastic polyamide comprising contacting at least one cyclic amide with a mixture or an adduct of components (a) and (b), wherein (a) and (b) are as described below: (a) any one or more of the N-heterocyclic carbene-containing catalysts described by any of the Formulae I, II and/or III: wherein: R R n=1 or 2; R R R (b) any one or more of the compounds described by any of the Formulae IV, V, VI, VII and/or VIII: R R wherein the ratio of component (a) to component (b) is in the range of from about 1:4 to about 10:1.