Search Results - "Coates, Geoffrey W."

Chemically recyclable thermoplastics from reversible-deactivation polymerization of cyclic acetals by Abel, Brooks A., Snyder, Rachel L., Coates, Geoffrey W.

“…Tough recyclable polyacetals Cyclic acetals such as dioxolane are appealing building blocks for recyclable plastics but have proven to be difficult to…”
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Chemical recycling to monomer for an ideal, circular polymer economy by Coates, Geoffrey W., Getzler, Yutan D. Y. L.

“…The majority of post-consumer plastic waste is not recycled. Impediments to the recycling of commodity polymers include separation, impurities and degradation…”
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Suppression of Lithium Dendrite Growth Using Cross-Linked Polyethylene/Poly(ethylene oxide) Electrolytes: A New Approach for Practical Lithium-Metal Polymer Batteries by Khurana, Rachna, Schaefer, Jennifer L, Archer, Lynden A, Coates, Geoffrey W

“…Solid polymer electrolyte (SPE) membranes are a critical component of high specific energy rechargeable Li-metal polymer (LMP) batteries. SPEs exhibit low…”
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Mechanism-Inspired Design of Bifunctional Catalysts for the Alternating Ring-Opening Copolymerization of Epoxides and Cyclic Anhydrides by Abel, Brooks A, Lidston, Claire A. L, Coates, Geoffrey W

“…Advances in catalysis have enabled the ring-opening copolymerization of epoxides and cyclic anhydrides to afford structurally and functionally diverse…”
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Semi-Crystalline Polar Polyethylene: Ester-Functionalized Linear Polyolefins Enabled by a Functional-Group-Tolerant, Cationic Nickel Catalyst by Long, Brian K., Eagan, James M., Mulzer, Michael, Coates, Geoffrey W.

“…A dibenzobarrelene‐bridged, α‐diimine NiII catalyst (rac‐3) was synthesized and shown to have exceptional behavior for the polymerization of ethylene. The…”
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Bifunctional Catalysis Prevents Inhibition in Reversible-Deactivation Ring-Opening Copolymerizations of Epoxides and Cyclic Anhydrides by Lidston, Claire A. L, Abel, Brooks A, Coates, Geoffrey W

“…Reversible-deactivation chain transfer is a viable strategy to increase the catalytic efficiency of ring-opening polymerizations, such as the alternating…”
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Reversible-deactivation anionic alternating ring-opening copolymerization of epoxides and cyclic anhydrides: access to orthogonally functionalizable multiblock aliphatic polyesters by Sanford, Maria J, Van Zee, Nathan J, Coates, Geoffrey W

“…The alternating copolymerization of epoxides and cyclic anhydrides is an increasingly popular route to aliphatic polyesters that are of interest as…”
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Controlling the Shape of Molecular Weight Distributions in Coordination Polymerization and Its Impact on Physical Properties by Sifri, Renee J, Padilla-Vélez, Omar, Coates, Geoffrey W, Fors, Brett P

“…High-density polyethylene (HDPE) is utilized in a multitude of commercial products worldwide due to its broad spectrum of physical properties and low…”
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Phosphonium-Functionalized Polyethylene: A New Class of Base-Stable Alkaline Anion Exchange Membranes by Noonan, Kevin J. T, Hugar, Kristina M, Kostalik, Henry A, Lobkovsky, Emil B, Abruña, Héctor D, Coates, Geoffrey W

“…A tetrakis­(dialkylamino)­phosphonium cation was evaluated as a functional group for alkaline anion exchange membranes (AAEMs). The base stability of…”
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Controlled Chain Walking for the Synthesis of Thermoplastic Polyolefin Elastomers: Synthesis, Structure, and Properties by O’Connor, Kyle S., Watts, Annabelle, Vaidya, Tulaza, LaPointe, Anne M., Hillmyer, Marc A., Coates, Geoffrey W.

“…Thermoplastic elastomers are attractive materials because of their ability to be melt-processed, reused, and recycled, unlike chemically cross-linked…”
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Enabling Room-Temperature Mechanochromic Activation in a Glassy Polymer: Synthesis and Characterization of Spiropyran Polycarbonate by Vidavsky, Yuval, Yang, Steven J, Abel, Brooks A, Agami, Iris, Diesendruck, Charles E, Coates, Geoffrey W, Silberstein, Meredith N

“…Mechanochromic functionality realized through force-responsive molecules (i.e., mechanophores) has great potential for spatially localized damage warning in…”
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Discrete Metal-Based Catalysts for the Copolymerization of CO2 and Epoxides: Discovery, Reactivity, Optimization, and Mechanism by Coates, Geoffrey W., Moore, David R.

“…Most synthetic polymers are made from petroleum feedstocks. Given the non‐renewable nature of these materials, there is increasing interest in developing…”
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Optimizing Ion Transport in Polyether-Based Electrolytes for Lithium Batteries by Zheng, Qi, Pesko, Danielle M, Savoie, Brett M, Timachova, Ksenia, Hasan, Alexandra L, Smith, Mackensie C, Miller, Thomas F, Coates, Geoffrey W, Balsara, Nitash P

“…We report on the synthesis of poly­(diethylene oxide-alt-oxymethylene), P­(2EO-MO), via cationic ring-opening polymerization of the cyclic ether monomer,…”
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Mechanoactivation of Spiropyran Covalently Linked PMMA: Effect of Temperature, Strain Rate, and Deformation Mode by Kim, Jae Woo, Jung, Yukyung, Coates, Geoffrey W, Silberstein, Meredith N

“…Polymer multifunctionality can be designed through the incorporation of chemical groups termed “mechanophores” that have a specific chemical transformation in…”
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Stereocomplexed Poly(Limonene Carbonate): A Unique Example of the Cocrystallization of Amorphous Enantiomeric Polymers by Auriemma, Finizia, De Rosa, Claudio, Di Caprio, Maria Rosaria, Di Girolamo, Rocco, Ellis, W. Chadwick, Coates, Geoffrey W.

“…We report the cocrystallization of the regio‐ and stereoregular chiral copolymer poly(limonene carbonate). To the best of our knowledge, this marks the first…”
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Living alkene polymerization: New methods for the precision synthesis of polyolefins by Domski, Gregory J., Rose, Jeffrey M., Coates, Geoffrey W., Bolig, Andrew D., Brookhart, Maurice

“…Precise control over product structure is the goal of all chemical synthesis. In the field of polymer synthesis, the structure of the resultant macromolecule…”
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Pre-Rate-Determining Selectivity in the Terpolymerization of Epoxides, Cyclic Anhydrides, and CO₂: A One-Step Route to Diblock Copolymers by Jeske, Ryan C, Rowley, John M, Coates, Geoffrey W

“…Catching a second wind: In kinetic resolution polymerization, one monomer is consumed faster than the other, which creates diblock copolymers that only slowly…”
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Synthesis of Semicrystalline Polyolefin Materials: Precision Methyl Branching via Stereoretentive Chain Walking by Vaccarello, David N, O’Connor, Kyle S, Iacono, Pasquale, Rose, Jeffrey M, Cherian, Anna E, Coates, Geoffrey W

“…We report the discovery of C 2-symmetric nickel catalysts capable of the regio- and isoselective polymerization of 1-butene to produce isotactic…”
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Tunable High Performance Cross-Linked Alkaline Anion Exchange Membranes for Fuel Cell Applications by Robertson, Nicholas J, Kostalik, Henry A, Clark, Timothy J, Mutolo, Paul F, Abruña, Héctor D, Coates, Geoffrey W

“…Fuel cells are energy conversion devices that show great potential in numerous applications ranging from automobiles to portable electronics. However, further…”
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Alternating Copolymerization of Epoxides and Cyclic Anhydrides:  An Improved Route to Aliphatic Polyesters by Jeske, Ryan C, DiCiccio, Angela M, Coates, Geoffrey W

“…Beta-diiminate zinc catalysts are reported for the synthesis of aliphatic polyesters via the highly alternating copolymerization of epoxides and cyclic…”
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