期刊
MACROMOLECULAR CHEMISTRY AND PHYSICS
卷 211, 期 17, 页码 1940-1946出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/macp.201000250
关键词
beta-cyclodextrin; host/guest systems; hyperbranched; polyglycerol; stimuli-sensitive polymers
资金
- National Nature Science Foundation of China [20774057, 50633010, 20874060, 50873058]
- National Basic Research Program [2007CB808000, 2009CB930400]
- Program for New Century Excellent Talents in University [NCET-07-0558]
- Foundation for the Author of National Excellent Doctoral Dissertation of China
- Fok Ying Tung Education Foundation [114029]
- Shanghai Leading Academic Discipline Project [B202]
A novel thermoresponsive polymer based on adamantyl-terminated hyperbranched polyglycerol (HPG-AD) is reported. The hydroxy-terminated hyperbranched polyglycerol (HPG) is functionalized by esterification of HPG with 1-adamantanecarbonyl chloride. The resulting HPG-AD shows interesting lower critical solution temperature (LCST) phase transitions in aqueous solution, depending on polymer concentration and AD graft ratio. In addition, the LCST transition can be controlled by adding various amounts of beta-cyclodextrin (beta-CD) by a host/guest interaction. The adjustable thermoresponsive behaviors are studied by UV-vis spectroscopy and dynamic light scattering.
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