Supramolecular Polymers Constructed through Self-sorting Host–Guest Interactions

Wang, Xuqing; Wang, Wei; Wang, Yu-Xuan; Yang, Hai‐Bo

doi:10.1246/cl.150283

Cited by 28 publications

(13 citation statements)

References 72 publications

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“…This key feature has inter alia opened up exciting opportunities for the development of stimuli‐responsive, self‐healing or self‐adjusting materials. All these aspects have already been covered in many excellent review articles, to which the reader is referred for further information, focusing either on the preparation or on the properties of supramolecular polymers …”

Section: Introductionmentioning

confidence: 99%

Dynamic supramolecular polymers built from cucurbit[n]urils and viologens

Correia

Chowdhury

Ramos

et al. 2018

Polymer International

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This review article focuses on supramolecular assemblies involving cucurbit[n]uril‐based containers and viologen guests as key building elements. Cucurbit[n]urils (CB[n], n = 5–8,10) are fascinating hosts forming a wide range of inclusion complexes (caviplexes) with 4,4′‐bipyridinium salts, known as viologens, either as discrete 1:1 inclusion compounds with CB[7] or as ternary inclusion compounds involving two hosts or two guests (2:1 with CB[7] and 1:2 or 1:1:1 with CB[8]). This property is currently being actively exploited to design and prepare self‐assembled dynamic stimuli‐responsive supramolecular polymers including gels, vesicles, films and organized arrays of polymeric microspheres or nanoparticles. This review highlights the main benefits of such polymers and gives an overview of the achievements and progress made in this field over the past decades. © 2018 Society of Chemical Industry

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Section: Introductionmentioning

confidence: 99%

Dynamic supramolecular polymers built from cucurbit[n]urils and viologens

Correia

Chowdhury

Ramos

et al. 2018

Polymer International

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“…Thus, although such guest‐guest interactions may exist, the interactions are often called “host–guest interactions” in general terms in the literature. In the following section, the driving forces of the polymerization of covalent monomers to fabricate linear or hyperbranched polymers will be roughly classified according to the original work into three types: a) HSCT interactions, b) host‐enhanced π–π interactions, and c) other host–guest interactions . There are virtually no pros and cons for different driving forces, as each designed monomer just applies to corresponding driving forces. a) HSCT Interactions …”

Section: Cucurbit[8]uril‐based Polymersmentioning

confidence: 99%

“…In another example, a rigid supramolecular polymer was constructed in aqueous solution based on host–guest interaction between CB[8] and the rigid azopy monomer containing an azobenzene unit and two 4,4′‐bipyridin‐1‐ium (BP) moieties in the two ends v) Reinforcement on the Rigidity of Monomer by Self‐Sorting : Self‐sorting is a highly efficient recognition process in which molecules are able to selectively and specifically form complexes with their own corresponding units within a complex mixture . In 2014, Zhang et al developed a method for controlled supramolecular polymerization through self‐sorting .…”

Section: Cucurbit[8]uril‐based Polymersmentioning

confidence: 99%

Cucurbit[8]uril‐Based Polymers and Polymer Materials

Zou

Liu

et al. 2018

Small

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Cucurbit[8]uril (CB[8]) is unique and notable in the cucurbit[n]uril family, since it has a relatively large cavity and thus is able to simultaneously accommodate two guest molecules. Typically, an electron-deficient first guest and an electron-rich second guest can be bound by CB[8] to form a stable 1:1:1 heteroternary supramolecular complex. Additionally, two homo guests can also be strongly dimerized inside the cavity of CB[8] to form a 2:1 homoternary supramolecular complex. During the past decade, by combining polymer science and CB[8] host-guest chemistry, a variety of systems have been established to construct supramolecular polymers with polymer chains typically at the nanoscale/sub-microscale, and CB[8]-based micro/nanostructured polymer materials in the form of polymer networks and hydrogels, microcapsules, micelles, vesicles, and colloidal particles, normally in solution and occasionally on surfaces. This Review summarizes the noncovalent interactions and strategies used for the preparation of CB[8]-based polymers and polymer materials with a focus on the representative and latest developments, followed by a brief discussion of their characterization, properties, and applications.

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“…If strong affinity for others is exhibited then the self-assembly process is called social self-sorting, while the affinity for itself will be named narcissistic self-sorting. Generally, the driving forces which lead to the self-sorting process are hydrogen bonding,5–7 metal–ligand interaction,8–13 fluorophobic,14 host–guest recognition15,16 and/or dynamic covalent bonding 17–20. Controlling the outcome of self-sorting is therefore of pivotal importance in the design and construction of complex functional and responsive soft materials for various applications.…”

Section: Introductionmentioning

confidence: 99%