ampholytic polymer

https://doi.org/10.1351/goldbook.AT07196
polyelectrolyte composed of macromolecules containing both cationic and anionic groups, or corresponding ionizable groups.
Note:
An ampholytic polymer in which ionic groups of opposite sign are incorporated into the same pendant groups is called, depending on the structure of the pendant groups, a @[email protected], @[email protected], or @[email protected]
Source:
PAC, 2006, 78, 2067. 'Terminology of polymers containing ionizable or ionic groups and of polymers containing ions (IUPAC Recommendations 2006)' on page 2068 (https://doi.org/10.1351/pac200678112067)