polybetaine 

https://doi.org/10.1351/goldbook.PT07220
Ampholytic polymer in which pendant groups have a betaine-type structure.
Note:
A polybetaine is a type of zwitterionic polymer.
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]
Citation: 'polybetaine' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.PT07220 RIS BibTex EndNote
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Last revised: February 24, 2014