polybase

https://doi.org/10.1351/goldbook.PT07219
In polymer terminology, @P04728@ composed of macromolecules containing basic groups on a substantial fraction of the constitutional units.
Note:
Most commonly, the basic groups are amino groups.
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]