The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Fast Dynamic Siloxane Exchange Mechanism for Reshapable Vitrimer Composites
Open accessAbstract
To develop siloxane-containing vitrimers with fast dynamic characteristics, different mechanistic pathways have been investigated using a range of catalysts. In particular, one siloxane exchange pathway has been found to show a fast dynamic behavior in a useful temperature range (180-220 °C) for its application in vitrimers. The mechanism is found to involve 1,5,7-triazabicyclo [4.4.0] dec-5-ene (TBD) as an organic catalyst in the presence of hydroxyl groups. Using this new mechanistic approach, vitrimers with ultrafast stress-relaxation characteristics (relaxation times below 10 s) have been prepared with a readily available epoxy resin and siloxane-amine hardener. Subsequently, the low viscosity siloxane-containing vitrimer resin enabled the preparation of glass fiber-reinforced vitrimer composites using an industrially relevant vacuum-assisted resin infusion technique. The resulting composite was successfully thermoformed into a new shape, which makes it possible to envision a second life for such highly engineered materials.
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Cites
Silica-Like Malleable Materials from Permanent Organic Networks
Montarnal, D., Capelot, M., Tournilhac, F., & Leibler, L. (2011) · Science · doi:10.1126/science.1212648 · Cited by 3,625
High-performance vitrimers from commodity thermoplastics through dioxaborolane metathesis
Röttger, M., Domenech, T., van der Weegen, R., Breuillac, A., Nicolaÿ, R., & Leibler, L. (2017) · Science · doi:10.1126/science.aah5281 · Cited by 1,394
Covalent Adaptable Networks (CANs): A Unique Paradigm in Cross-Linked Polymers
Kloxin, C. J., Scott, T. F., Adzima, B. J., & Bowman, C. N. (2010) · Macromolecules · doi:10.1021/ma902596s · Cited by 1,175
Cited by
Vitrimer composites: current status and future challenges
Schenk, V., Labastie, K., Destarac, M., Olivier, P., & Guerre, M. (2022) · Materials Advances · doi:10.1039/d2ma00654e · Cited by 253
Foam‐to‐Foam Recycling Potential of PU‐Foams by Integration of Amino Esters
Kassem, H., Samat, E. H., Imbernon, L., & Du Prez, F. E. (2024) · Advanced Functional Materials · doi:10.1002/adfm.202409263 · Cited by 27
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Metadata
- Authors
- Debsharma, T., Amfilochiou, V., Wróblewska, A. A., De Baere, I., Van Paepegem, W., & Du Prez, F. E.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2022-06-27
- Volume
- 144
- Issue
- 27
- Pages
- 12280-12289
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W4283643091
- Cited by
- 197
- References
- 3
- FWCI
- 12.38
- Type
- journal article
- Language
- en
- Open access
- green
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- Debsharma, T., Amfilochiou, V., Wróblewska, A. A., De Baere, I., Van Paepegem, W., & Du Prez, F. E. (2022). Fast Dynamic Siloxane Exchange Mechanism for Reshapable Vitrimer Composites. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.2c03518
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