A process for the production of organic carbodiimides and...

Details A process for the production of organic carbodiimides and... A process for the production of organic carbodiimides and...

C - Chemistry, Metallurgy

07

C

C07C 267/00 (2006.01) C08G 18/02 (2006.01) C08K 5/29 (2006.01) C09K 15/16 (2006.01)

Patent

CA 2114347

Organic carbodiimides are produced by carbodiimidization of isocyanate groups with catalysts of the phospholine type. At the end of the carbodiimidization reaction, the catalyst system is removed by introducing carbon dioxide in vacuo at temperatures of from about 100 to about 250°C. The carbodiimides produced by this process are particularly useful as stabilizers for plastics.

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