Tin-free, high-melting reaction products of carbonyl-hydrogenated ketone aldehyde resins, hydrogenated ketone resins, and carbonyl-hydrogenated and core-hydrogenated ketone aldehyde resins based on aromatic ketones and polyisocynates

A tin-free high-melting reaction product comprising

• the product of reaction, in the presence of a catalyst which contains no tin, with a melting range of above 140° C., of
• A) at least one carbonyl-hydrogenated ketone-aldehyde resin and/or hydrogenated ketone resin and/or carbonyl-hydrogenated and ring-hydrogenated ketone-aldehyde resin based on aromatic ketones
• with
• B) at least one aromatic, aliphatic and/or cycloaliphatic diisocyanate or polyisocyanate
• and
• C) at least one further, hydroxy-functionalized polymer.

A process for preparing a reaction product comprising the product of reaction, with a melting range of above 140° C., of

• A) at least one carbonyl-hydrogenated ketone-aldehyde resin and/or hydrogenated ketone resin and/or carbonyl-hydrogenated and ring-hydrogenated ketone-aldehyde resin based on aromatic ketones
• with
• B) at least one aromatic, aliphatic and/or cycloaliphatic diisocyanate or polyisocyanate
• and optionally,
• C) at least one further, hydroxy-functionalized polymer
• by reacting A) and B) and, where used, C) at temperatures from 20 to 150° C. in the presence of a catalyst which contains no tin.