期刊
LANGMUIR
卷 36, 期 31, 页码 9015-9024出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.0c01672
关键词
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资金
- J-PARC, Japan [2009S08, 2014S08, 2018A0279, 2017L2501]
- Photon and Quantum Basic Research Coordinated Development Program of the Ministry of Education, Culture, Sports, Science and Technology, Japan
- ImPACT Program of Council for Science, Technology and Innovation (Cabinet Office, Government of Japan)
- Cooperative Research Program of Network Joint Research Center for Materials and Devices
- Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials (MEXT)
- JSPS KAKENHI [JP18K05218]
Polyzwitterions have emerged as a new class of antifouling materials alternating poly(ethylene glycol). The exemplary biopassivation and lubrication behaviors are often attributed to the particular chemical structure of zwitterions, which involve a large dipole moment of the charged groups and a neutral net charge, while the hydration state and dynamics also associate with these characteristics. Polymer brushes composed of surface-tethered polyzwitterion chains produced by surface-initiated controlled radical polymerization have been developed as thin films which exhibit excellent antifouling and lubrication properties. In past decades, numerous studies have been devoted to examining the structure and dynamics of polyzwitterion brush chains in aqueous solutions. This feature article provides an overview of recent studies exploring the hydration state of polyzwitterion brushes with specular neutron reflectivity, highlights some newly published work on the nonuniform equilibrium structure, ion concentration dependence, ion specificity, and the effects of charge spacer length in the zwitterions, and discusses future perspective in this field.
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