期刊
POLYMER CHEMISTRY
卷 6, 期 8, 页码 1367-1372出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4py01481b
关键词
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资金
- National Natural Science Foundation of China [21074082, 21302132, 21474068, 21374067]
- Natural Science Foundation of Jiangsu Province [BK20130296]
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [12KJB150021]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Suzhou Key Lab of Macromolecular Design and Precision Synthesis
Diselenide-containing polymer is an attractive polymer for their redox sensitivity, and has potential applications in bio-related areas. In this work, the synthesis of diselenide (Se-Se)-labeled polymers based on diselenocarbonate-mediated controlled radical polymerization (CRP) was investigated. Diselenocarbonate-end capped polymers from diselenocarbonate-mediated CRP were transformed to diselenide-centered polymers through high-efficiency aminolysis and a spontaneous oxidation coupling reaction in an open system. The process of aminolysis and spontaneous oxidation of the polymer chain ends was monitored by UV-Vis, GPC and NMR characterizations. The obtained diselenide-centered polymers showed reversible redox-responsive behavior. This work provides a protocol for introducing a redox responsive Se-Se bond into the polymer backbones. Importantly, the molecular weight and architectures of the diselenide-containing polymer can be well defined, which would be potentially useful for the fabrication of bio-related polymeric materials.
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