| abstract |
(57) [Summary]nFrom branched alkyl aliphatic acids and alcohols, and one or more hydroxycarboxylic acids or lactones, a polyoxyalkylene carbonyl chain (POAC) having a carboxylic acid terminal group (TPOAC acid) or a hydroxy terminal group (TPOAC alcohol) Basic and acidic dispersants derived to give). Preferred basic dispersants are obtained by reacting one or more TPOAC acids with a polyamine or polyimine, such as polyethyleneimine, and preferred anionic dispersants are those forming phosphate esters of TPOAC alcohols. Manufactured by |