Novel catalysts for selective isocyanate dimerisation

Details Novel catalysts for selective isocyanate dimerisation Novel catalysts for selective isocyanate dimerisation

C - Chemistry, Metallurgy

08

G

C08G 18/09 (2006.01) B01J 31/02 (2006.01) C07D 213/76 (2006.01) C08G 18/16 (2006.01)

Patent

CA 2534852

The invention relates to the use of sulphonamide anions as dimerisation catalysts for isocyanates and a method for the production of oligomeric isocyanates using said catalysts.

La présente invention concerne l'utilisation d'anions de sulfonamide comme catalyseurs de dimérisation pour des isocyanates ainsi qu'un procédé de production d'isocyanates oligomères au moyen desdits catalyseurs.

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