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Molecular Design of Zwitterionic Polymer Interfaces: Searching for the Difference

: Laschewsky, Andre; Rosenhahn, Axel


Langmuir. The ACS journal of surfaces and colloids 35 (2019), Nr.5, S.1056-1071
ISSN: 0743-7463
ISSN: 1520-5827
Deutsche Forschungsgemeinschaft DFG
Neue zwitterionische Polymere für "low-fouling" Oberflächen
Fraunhofer IAP ()

The widespread occurrence of zwitterionic compounds in nature has incited their frequent use for designing biomimetic materials. Hence, zwitterionic polymers are a thriving field. A particular interest for this particular polymer class has currently focused on their use in establishing "neutral", low-fouling surfaces. After highlighting strategies to prepare model zwitterionic surfaces as well as such that are more suitable for practical purposes relying strongly on radical polymerization methods, we present recent efforts to diversify the structure of the hitherto quite limited variety of zwitterionic monomers, and of the derived polymers. We identify key structural variables, consider their influence on essential properties such as overall hydrophilicity and long-term stability, and discuss promising targets for the synthesis of new variants.