| 摘要 |
Addition compound suitable as a wetting and dispersing agent and obtainable from the reaction of A) polyepoxides with B) at least one aliphatic and/or araliphatic primary amine of the general formula I <?in-line-formulae description="In-line Formulae" end="lead"?>H2N-R I<?in-line-formulae description="In-line Formulae" end="tail"?> where R is alkyl, cycloalkyl, aryl and aralkyl, and where the primary amine may also carry further functional groups selected from -OH, tertiary amine or carboxyl, and subsequent addition reaction of C) at least one modified isocyanate of the general formula IIa and/or IIb where R3 is alkyl, cycloalkyl, aryl or aralkyl, R1 and R2 independently of one another are H, alkyl and/or aryl, X is alkylene, cycloalkylene and/or aralkylene, Y is alkylene and/or cycloalkylene and n and m are independent of one another, the sum n+m being >=2, to form a urethane.
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