Process for the production of addition compounds of carbodiimides and compounds containing hydroxyl groups
AssigneeBayer Aktiengesellschaft
InventorsWalter Schafer, Kuno Wagner, Kurt Findeisen
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Abstract
The instant invention is directed to a process for the production of addition compounds of compounds containing hydroxyl groups and carbodiimides substantially free from isocyanate groups, comprising reacting the reactants in the presence of from 0.01 to 3% by weight, based on the reaction mixture, of a metal catalyst, the improvement wherein a tin compound is used as said metal catalyst.
Claims8
In a process for the production of addition compounds of compounds containing hydroxyl groups and carbodiimides substantially free from isocyanate groups, comprising reacting the reactants in the presence of from 0.01 to 3% by weight, based on the reaction mixture, of a metal catalyst, the improvement wherein a tin compound is used as said metal catalyst.
Dependencies are inferred from the claim text.