The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.
High-temperature polymers with record-high breakdown strength enabled by rationally designed chain-packing behavior in blends
Open accessAbstract
Summary Polymers with high dielectric breakdown strength (Eb) over a broad temperature range are vital for many applications. The presence of weak points, such as voids and free volume, severely limit the Eb of many high-temperature polymers. Here, we present a general strategy to reduce these weak points by exploiting interchain electrostatic forces in polymer blends. We show that the strong interchain electrostatic interaction between two high-temperature polymers in blends of polyimide (PI) with poly(ether imide) (PEI) yields an extended polymer chain conformation, resulting in dense chain packing and a corresponding decrease in weak spots in the polymers. This leads to a greater than 65% enhancement of Eb at room temperature and 35% enhancement at 200°C. In conjunction with results from blends of PI/poly(1,4-phenylene ether-sulfone) (PSU) and blends of PEI/PSU, we show that this previously unexplored molecular engineering strategy is efficient and straightforward in minimizing weak points in dielectric polymers.
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Yang, M., Guo, M., Xu, E., Ren, W., Wang, D., Li, S., Zhang, S., Nan, C.-W., & Shen, Y. (2024) · Nature Nanotechnology · doi:10.1038/s41565-023-01541-w · Cited by 423
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Metadata
- Authors
- Zhang, Q., Chen, X., Zhang, B., Zhang, T., Lu, W., Chen, Z., Liu, Z., Kim, S. H., Donovan, B., Warzoha, R. J., Gomez, E. D., Bernholc, J., & Zhang, Q. M.
- Venue
- Matter
- Publisher
- Elsevier BV
- Published
- 2021-07
- Volume
- 4
- Issue
- 7
- Pages
- 2448-2459
- ISSN
- 2590-2385 (ISSN-L)
- OpenAlex
- W3164071018
- Cited by
- 264
- References
- 25
- FWCI
- 11.06
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Zhang, Q., Chen, X., Zhang, B., Zhang, T., Lu, W., Chen, Z., Liu, Z., Kim, S. H., Donovan, B., Warzoha, R. J., Gomez, E. D., Bernholc, J., & Zhang, Q. M. (2021). High-temperature polymers with record-high breakdown strength enabled by rationally designed chain-packing behavior in blends. Matter. https://doi.org/10.1016/j.matt.2021.04.026
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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