期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 34, 期 3, 页码 246-250出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201200653
关键词
eATRP; growth kinetics; in situ AFM; polymer brushes
资金
- NSFC [21125316, 21101162]
- Key Research Program of the Chinese Academy of Sciences [KJZD-EW-M01]
Electrochemically induced surface-initiated atom-transfer radical polymerization is traced by in situ AFM technology for the first time, which allows visualization of the polymer growth process. It affords a fundamental insight into the surface morphology and growth mechanism simultaneously. Using this technique, the polymerization kinetics of two model monomers were studied, namely the anionic 3-sulfopropyl methacrylate potassium salt (SPMA) and the cationic 2-(metharyloyloxy)ethyltrimethylammonium chloride (METAC). The growth of METAC is significantly improved by screening the ammonium cations by the addition of ionic liquid electrolyte in aqueous solution.
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