Journal
SCIENCE ADVANCES
Volume 6, Issue 34, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.abc0495
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Funding
- Colorado State University
- U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy
- U.S. Department of Energy, Advanced Manufacturing Office (AMO)
- U.S. Department of Energy, Bioenergy Technologies Office (BETO)
- National Renewable Energy Laboratory [DE-AC36-08GO28308]
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Three types of seemingly unyielding trade-offs have continued to challenge the rational design for circular polymers with both high chemical recyclability and high-performance properties: depolymerizability/performance, crystallinity/ductility, and stereo-disorder/crystallinity. Here, we introduce a monomer design strategy based on a bridged bicyclic thiolactone that produces stereo-disordered to perfectly stereo-ordered polythiolactones, all exhibiting high crystallinity and full chemical recyclability. These polythioesters defy aforementioned trade-offs by having an unusual set of desired properties, including intrinsic tacticity-independent crystallinity and chemical recyclability, tunable tacticities from stereo-disorder to perfect stereoregularity, as well as combined high-performance properties such as high thermal stability and crystallinity, and high mechanical strength, ductility, and toughness.
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