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A Healable Supramolecular Polymer Blend Based on Aromatic π−π Stacking and Hydrogen-Bonding Interactions
Abstract
An elastomeric, healable, supramolecular polymer blend comprising a chain-folding polyimide and a telechelic polyurethane with pyrenyl end groups is compatibilized by aromatic pi-pi stacking between the pi-electron-deficient diimide groups and the pi-electron-rich pyrenyl units. This interpolymer interaction is the key to forming a tough, healable, elastomeric material. Variable-temperature FTIR analysis of the bulk material also conclusively demonstrates the presence of hydrogen bonding, which complements the pi-pi stacking interactions. Variable-temperature SAXS analysis shows that the healable polymeric blend has a nanophase-separated morphology and that the X-ray contrast between the two types of domain increases with increasing temperature, a feature that is repeatable over several heating and cooling cycles. A fractured sample of this material reproducibly regains more than 95% of the tensile modulus, 91% of the elongation to break, and 77% of the modulus of toughness of the pristine material.
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Citations
Cited by
Vitrimers: Permanently crosslinked polymers with dynamic network topology
Van Zee, N. J., & Nicolaÿ, R. (2020) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2020.101233 · Cited by 734
Yan, X., Xu, D., Chi, X., Chen, J., Dong, S., Ding, X., Yu, Y., & Huang, F. (2012) · Advanced Materials · doi:10.1002/adma.201103220 · Cited by 697
Supramolecular Chemistry and Self-Assembly in Organic Materials Design
Stupp, S. I., & Palmer, L. C. (2014) · Chemistry of Materials · doi:10.1021/cm403028b · Cited by 513
Burattini, S., Greenland, B. W., Hayes, W., Mackay, M. E., Rowan, S. J., & Colquhoun, H. M. (2011) · Chemistry of Materials · doi:10.1021/cm102963k · Cited by 256
Self-citationWei, M., Zhan, M., Yu, D., Xie, H., He, M., Yang, K., & Wang, Y. (2015) · ACS Applied Materials & Interfaces · doi:10.1021/am507575z · Cited by 153
Metadata
- Authors
- Burattini, S., Greenland, B. W., Merino, D. H., Weng, W., Seppala, J., Colquhoun, H. M., Hayes, W., Mackay, M. E., Hamley, I. W., & Rowan, S. J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-08-10
- Volume
- 132
- Issue
- 34
- Pages
- 12051-12058
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2095059784
- Cited by
- 935
- References
- 0
- FWCI
- 27.74
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Burattini, S., Greenland, B. W., Merino, D. H., Weng, W., Seppala, J., Colquhoun, H. M., Hayes, W., Mackay, M. E., Hamley, I. W., & Rowan, S. J. (2010). A Healable Supramolecular Polymer Blend Based on Aromatic π−π Stacking and Hydrogen-Bonding Interactions. Journal of the American Chemical Society. https://doi.org/10.1021/ja104446r
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