Dispersants, use thereof and solids coated therewith.

摘要

The invention relates to dispersants or salts thereof, comprising A the product of the reaction of one or more polyisocyanates having a mean functionality of from 2.0 to 5 with B a mixture of B1 monohydroxyl compounds and B2 monohydroxyl, monocarboxylic acid compounds or monoamino, monocarboxylic acid compounds, and C a compound containing at least one basic ring nitrogen and an isocyanate-reactive group, where about 30-70 % of the isocyanate groups are reacted with B and about 30-70 % are reacted with C, and to the preparation of these dispersants.