Metallo-Supramolecular Cyclic Polymers

Zhang, K. and Zha, Y. P. and Peng, B. and Chen, Y. M. and Tew, G. N.. (2013) Metallo-Supramolecular Cyclic Polymers. Journal of the American Chemical Society, 135 (43). pp. 15994-15997.

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Cyclic brush polymers represent an exciting new macromolecular topology. For the first time, this new topology has been combined with metallo-supramolecular interactions to construct novel cyclic brush polymers. Here, ring-expansion metathesis polymerization was used to synthesize a universal cyclic template with a polynorbornene backbone, which was further modified with the metal-chelating synthon terpyridine. The terpyridine side chains served as the key supramolecular unit for the creation of cyclic polymer brushes and gels. This metallo-supramolecular functionality allowed direct visualization of the cyclic brush polymers by transmission electron microscopy for the first time. This demonstration should open a new area in which supramolecular interactions are used to build an array of novel cyclic brush copolymers as well as other cyclic-polymer-based architectures generating new materials.

Item Type: Article
Additional Information: ISI Document Delivery No.: 245TXTimes Cited: 0Cited Reference Count: 28Zhang, Ke Zha, Yongping Peng, Bo Chen, Yongming Tew, Gregory N.Nsf dmr-0820506, cmmi-0531171; aro w911nf-09-1-0373; onr n00014-10-1-0348Generous support was primarily provided by NSF (DMR-0820506 and CMMI-0531171), with partial support by ARO (W911NF-09-1-0373) and ONR (N00014-10-1-0348). Shared facilities support was also provided by DMR-0820506. The authors thank Ms. Melissa A. Lackey and Mr. Joel M. Sarapas for assistance with manuscript preparation.Amer chemical socWashington
Uncontrolled Keywords: hydrogels
Collections: Nanomanufacturing Research Collection > Nanomanufacturing Nanoscale Science and Engineering Centers > Center for Hierarchical Manufacturing
Depositing User: Robert Stevens
Date Deposited: 27 Mar 2014
Last Modified: 27 Mar 2014 20:21

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