@article{93c288a3519e4e9cac50b48adaa4a3fd,
title = "Reprocessability in Engineering Thermosets Achieved through Frontal Ring Opening Metathesis Polymerization",
abstract = "While valued for their durability and exceptional performance, crosslinked thermosets are challenging to recycle and reuse. Here, inherent reprocessability in industrially relevant polyolefin thermosetsis unveiled. Unlike prior methods, this approach eliminates the need to introduce exchangeable functionality to regenerate the material, relying instead on preserving the activity of the metathesis catalyst employed in the curing reaction. Frontal ring-opening metathesis polymerization (FROMP) proves critical to preserving this activity. Conditions controlling catalytic viability are explored to successfully reclaim performance across multiple generations of material, thus demonstrating long-term reprocessability. This straightforward and scalable remolding strategy is poised for widespread adoption. Given the anticipated growth in polyolefin thermosets, these findings represent an important conceptual advance in the pursuit of a fully circular lifecycle for thermoset polymers.",
keywords = "engineering thermosets, frontal polymerization, multigenerational materials, reprocessability, thermoset sustainability",
author = "Cooper, {Julian C.} and Paul, {Justine E.} and Nabil Ramlawi and Chaimongkol Saengow and Anisha Sharma and Suslick, {Benjamin A.} and Ewoldt, {Randy H.} and Sottos, {Nancy R.} and Moore, {Jeffrey S.}",
note = "J.E.P. and N.R. contributed equally to this work. The authors greatfully acknowledge the support of the Air Force Office of Scientific Research through the Center of Excellence in Self\u2010Healing, Regeneration, and Structural Remodeling (FA9550\u201020\u20101\u20100194). The authors thank the Beckman Institute for Advance Science and Technology, the Frederick Seitz Materials Research Laboratory, the School of Chemical Science, as well as the School of Chemical Science NMR and the Mass Spectrometry Laboratories, all at UIUC, for facilities and support to conduct this research. The authors also thank Dorothy Loudermilk for assistance in the preparation of Figure 1 , and Prof. S. Denmark for the use of his ATR\u2010IR spectrometer. J.C.C. thanks Dr. J. Lessard for helpful discussions during the preparation of this manuscript, L. Rodriguez for help with the tensile measurements for S102 as well as M. Chiu in final copy editing. J.C.C. and C.S. thank the A. O. Beckman Foundation for a postdoctoral fellowship, J.E.P. thanks the same foundation for a graduate fellowship.",
year = "2024",
month = jul,
day = "11",
doi = "10.1002/adma.202402627",
language = "English (US)",
volume = "36",
journal = "Advanced Materials",
issn = "0935-9648",
publisher = "Wiley-Blackwell",
number = "28",
}