polyacid

https://doi.org/10.1351/goldbook.PT07217
In polymer terminology, @[email protected] composed of macromolecules containing acid groups on a substantial fraction of the constitutional units.
Note:
Most commonly, the acid groups are –COOH , –SO3H, or –PO3H2 .
Source:
PAC, 2006, 78, 2067. (Terminology of polymers containing ionizable or ionic groups and of polymers containing ions (IUPAC Recommendations 2006)) on page 2072 [Terms] [Paper]