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Synthesis of Hydrogels with Antifouling Properties As Membranes for Water Purification
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Micro- and macroscopically structured zwitterionic polymers with ultralow fouling property
Dong Zhang1, Baiping Ren1, Yanxian Zhang1
1Department of Chemical, Biomolecular, and Corrosion Engineering, The University of Akron, OH 44325, USA.
Journal of Colloid and Interface Science
|June 13, 2020
Summary
New polyMAMPS zwitterions show excellent antifouling properties on surfaces. These materials resist protein, cell, and bacteria adsorption, offering promising alternatives for advanced antifouling applications.
Area of Science:
- Materials Science
- Polymer Chemistry
- Surface Science
Background:
- Polyzwitterions are crucial for antifouling surfaces.
- Understanding the structure-property relationship of zwitterionic polymers is key.
- Current knowledge on hydration and antifouling performance at different scales is limited.
Purpose of the Study:
- To design and synthesize a novel zwitterionic monomer, MAMPS.
- To fabricate polyMAMPS into polymer brushes and double-network hydrogels.
- To evaluate the antifouling performance of polyMAMPS at micro- and macro-scales.
Main Methods:
- Synthesis of 3-(4-(methacryloyloxy)-1-methylpiperidin-1-ium-1-yl)-propane-1-sulfonate (MAMPS) monomer.
- Fabrication of polyMAMPS brushes via SI-ATRP and double-network hydrogels via photopolymerization.
- Assessment of protein, cell, and bacteria adsorption resistance on different polyMAMPS structures.
Main Results:
- PolyMAMPS brushes showed excellent resistance to protein, cell, and bacterial adhesion.
- Agar/polyMAMPS hydrogels reduced protein adhesion by approximately 96% compared to TCPS.
- Antifouling properties correlated with the water-binding capacity of zwitterionic groups.
Conclusions:
- PolyMAMPS demonstrate potent antifouling capabilities at both microscopic and macroscopic levels.
- These materials offer a promising alternative to existing zwitterions like polySBMA and polyCBMA.
- The findings advance the design principles for effective antifouling surfaces.
