Dispersants for pigments in waterborne coatings compositions

Claim 1

A compound, comprising a polymeric backbone, having a pigment-interactive substituent and a stabilizing substituent; wherein the pigment-interactive substituent has at least one functionality selected from the group consisting of ##STR14## wherein A 1 , A 2 , A 3 , and A 4 are each independently hydroxy, alkyl of one to ten carbon atoms, alkoxy of one to ten carbon atoms, alkoxyalkoxy of two to ten carbon atoms, alkanoyloxy of two to ten carbon atoms, or halogen, with the proviso that A 1 , A 2 , and A 3 may not all be alkyl; and wherein the stabilizing substituent comprises the structure ##STR15## wherein D 1 and D 2 are divalent radicals, each independently --O--or --NA 5 --, wherein A 5 is hydrogen or alkyl of one to twelve carbon atoms; R 1 is a divalent radical selected from straight or branched alkylenes of three to thirty carbon atoms; R 2 is hydrogen or a mixture of hydrogen and alkyl of one to eight carbon atoms; R 3 is an alkyl of one to thirty carbon atoms; m is an integer from zero to one thousand, and n is an integer from one to one thousand.