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Synthesis of topologically crosslinked polymers with rotaxane-crosslinking points
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Description
This review discusses seven synthetic approaches for fabricating topologically crosslinked polymers with rotaxane structures at the crosslinking points (rotaxane-crosslinked polymers, RCPs). RCPs exhibit unique properties such as high swelling capability, high elasticity and stimuli-responsiveness attributed to the rotaxane-crosslinking points. This article primarily focuses on the four most recently developed strategic approaches for synthesizing RCPs in which various rotaxane components, such as crown ethers/ammonium salts, cyclodextrins/hydrophobic guests and metal-coordinated macrocycles/ligands, are employed. Two of these RCP synthetic methods efficiently introduce special structures and functions into the RCP crosslinking points. Using these methods, we inserted well-studied rotaxane systems that exhibit deslipping behavior into the crosslinking points of network polymers. Notably, each of the resulting RCPs exhibited chemostimuli-responsive or photoresponsive degradability due to the deslipping behavior of the rotaxane system incorporated into the RCP. The other two methods are based on the use of rotaxane crosslinkers to fabricate versatile RCPs containing vinyl trunk polymers. The efficiencies and applications of these recently developed methods are compared with those of conventional methods. Topologically crosslinked polymers with rotaxane structures at the crosslinking points (rotaxane-crosslinked polymers, RCPs) have attracted great interest experimentally and theoretically. This focus review describes recent progress concerning the synthesis and applications of RCPs via four strategic approaches. Related research topics and further perspectives on RCPs are also discussed.
Journal
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- Polymer Journal
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Polymer Journal 46 (6), 315-322, 2014-03-26
Springer Science and Business Media LLC
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Details 詳細情報について
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- CRID
- 1360567183410195968
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- ISSN
- 13490540
- 00323896
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- Article Type
- journal article
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- Data Source
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- Crossref
- KAKEN
- OpenAIRE