| 摘要 |
The present invention provides a composition containing a particulate solid, an organic medium and/or water and a compound of Formula (1) and salts thereof. Formula 1 wherein R is H or C1-30-optionally substituted hydrocarbyl; or R may be R''C-O (an acyl group where R'' is hydrogen, alkyl, aryl or an optionally substituted alkyl or aryl); U is oxygen, -NH or -NR'''; R''' is a C1-30-optionally substituted hydrocarbyl Y is C2-4-alkyleneoxy; T is the residue of substituted acetic acid or propionic acid; Z is the residue of a polyamine and/or polyimine; W is the residue of an oxide, urea or dibasic acid or anhydride thereof, or mixtures thereof; x is from 2 to 90; and v represents the maximum available number of amino and/or imino groups in Z which does not carry the group R-U-(Y)x-T-.
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