Preparation of biuret-containing polyisocyanates

Details Preparation of biuret-containing polyisocyanates Preparation of biuret-containing polyisocyanates

C - Chemistry, Metallurgy

07

C

C07C 275/62 (2006.01) C07C 273/18 (2006.01)

Patent

CA 2163405

the invention relates to a process for the preparation of biuret-containing polyisocyanates by catalytic reaction of aliphatic and/or cycloaliphatic diisocyanates with a biuretizing agent, where the biuretizing agent employed is water in finely disperse form and the reaction is carried out in the presence of OH-acidic compounds.

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