Publications
Detailed Information
High strength, epoxy cross-linked high sulfur content polymers from one-step reactive compatibilization inverse vulcanization
Cited 14 time in
Web of Science
Cited 14 time in Scopus
- Authors
- Issue Date
- 2022-01-14
- Publisher
- Royal Society of Chemistry
- Citation
- Chemical Science, Vol.13 No.2, pp.566-572
- Abstract
- Inverse vulcanization provides a simple, solvent-free method for the preparation of high sulfur content polymers using elemental sulfur, a byproduct of refining processes, as feedstock. Despite the successful demonstration of sulfur polymers from inverse vulcanization in optical, electrochemical, and self-healing applications, the mechanical properties of these materials have remained limited. We herein report a one-step inverse vulcanization using allyl glycidyl ether, a heterobifunctional comonomer. The copolymerization, which proceeds via reactive compatibilization, gives an epoxy cross-linked sulfur polymer in a single step, as demonstrated through isothermal kinetic experiments and solid-state C-13 NMR spectroscopy. The resulting high sulfur content (>= 50 wt%) polymers exhibited tensile strength at break in the range of 10-60 MPa (70-50 wt% sulfur), which represents an unprecedentedly high strength for high sulfur content polymers from vulcanization. The resulting high sulfur content copolymer also exhibited extraordinary shape memory behavior along with shape reprogrammability attributed to facile polysulfide bond rearrangement.
- ISSN
- 2041-6520
- Files in This Item:
- There are no files associated with this item.
Item View & Download Count
Items in S-Space are protected by copyright, with all rights reserved, unless otherwise indicated.