期刊
PROGRESS IN POLYMER SCIENCE
卷 37, 期 5, 页码 686-714出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.progpolymsci.2011.10.002
关键词
Lower critical solution temperature; LCST; Cloud point; Poly(2-oxazoline)s; Poly(ethylene oxide); Poly(propylene oxide); Phase diagram; Thermo-responsive polymer; Coil to globule transition
资金
- Dutch Polymer Institute (DPI) [612]
- Thuringer Ministerium fur Wissenschaft, Bildung und Kultur
- Netherlands Scientific Organisation (NWO)
This review covers the LCST behavior of two important polymer classes in aqueous solution, namely poly(2-oxazoline)s and systems whose thermo-responsiveness is based on their structural similarity to poly(ethylene oxide) (PEO). In order to elucidate the progress that has been made in the design of new thermo-responsive copolymers, experimental data that were obtained by different research groups are compared in detail. Copolymerization with hydrophilic or hydrophobic comonomers represents a suitable method to tune the coil to globule transition temperature of several homopolymers, and incorporation of other monomers provided further interesting features, such as pH responsiveness or sensing properties. In addition, living and controlled polymerization techniques enabled access to defined end groups and more advanced polymer architectures, such as graft copolymers or double responsive block copolymers. The effect of such structural variations on the temperature responsive behavior of the (co)polymers is discussed in detail. (C) 2011 Elsevier Ltd. All rights reserved.
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