| abstract |
Title: Dispersing agents, their use and solids coated therewith. The present invention relates to dispersing agents or their salts, comprising A the reaction product of one or more polyisocyanates having an average functionality of from 2.0 to 5, with B a mixture from B1 monohydroxyl compounds and B2 monohydroxy-, monocarboxylic acid compounds, or monoamino-, monocarboxylic acid compounds and C a compound containing at least one basic ring nitrogen and an isocyanate-reactive group, in which of the isocyanate groups about 30-70 are reacted with B and about 30-70% with C, and the preparation of such dispersing agents. |