| 摘要 |
<p>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 and R' are independently H or <SUB>C1-3o-</SUB>optionally<SUB/>substituted hydrocarbyl; or R is H or <SUB>C1-3o-</SUB>optionally<SUB/>substituted hydrocarbyl and R' is R"C=O (an acyl group where R" is hydrogen, alkyl or an optionally substituted alkyl or aryl or an optionally substituted aryl); Y is C<SUB>2-4-</SUB>alkyleneoxy; T is C<SUB>2-4</SUB> alkylene; A is the residue of a dibasic acid or anhydride thereof; 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 RR'N-T-O-(Y)X-T-NH-A-.</p> |
