Controlled Carbon Dioxide Terpolymerizations to Deliver Toughened yet Recyclable Thermoplastics by Poon, KC, Smith, ML, Williams, CK

“…They are also efficiently chemically recycled to selectively yield the two epoxide monomers, CHO and CPO, as well as carbon dioxide, with high activity (TOF = 270–1653 h–1, 140 °C, 120 min). …”

Mg(ii) heterodinuclear catalysts delivering carbon dioxide derived multi-block polymers by Rosetto, G, Deacy, AC, Williams, CK

“…Carbon dioxide derived polymers are emerging as useful materials for applications spanning packaging, construction, house-hold goods and automotive components. …”

Synergic heterodinuclear catalysts for the ring-opening copolymerization (ROCOP) of epoxides, carbon dioxide, and anhydrides by Diment, WT, Lindeboom, W, Fiorentini, F, Deacy, AC, Williams, CK

Heterotrimetallic carbon dioxide copolymerization and switchable catalysts: sodium is the key to high activity and unusual selectivity by Plajer, AJ, Williams, CK

Ti(IV)–tris(phenolate) catalyst systems for the ring-opening copolymerization of cyclohexene oxide and carbon dioxide by Raman, SK, Deacy, AC, Pena Carrodeguas, L, Reis, NV, Kerr, RWF, Phanopoulos, A, Morton, S, Davidson, MG, Williams, CK

“…<p>Titanium(IV) complexes of amino-tris(phenolate) ligands (LTiX, X = chloride, isopropoxide) together with bis(triphenylphosphine)iminium chloride (PPNCl) are active catalyst systems for the ring-opening copolymerization of carbon dioxide and cyclohexene oxide. They show moderate activity, with turnover frequency values of &sim;60 h^&ndash;1&nbsp;(0.02 mol % of catalyst, 80 &deg;C, 40 bar of CO₂) and high selectivity (carbonate linkages &gt;90%), but their absolute performances are lower than those of the most active Ti(IV) catalyst systems. …”

Colloidal Cu/ZnO catalysts for the hydrogenation of carbon dioxide to methanol: investigating catalyst preparation and ligand effects by Pike, SD, García-Trenco, A, White, ER, Leung, AHM, Weiner, J, Shaffer, MSP, Williams, CK

Cu/M:ZnO (M = Mg, Al, Cu) colloidal nanocatalysts for the solution hydrogenation of carbon dioxide to methanol by Leung, AHM, García-Trenco, A, Phanopoulos, A, Regoutz, A, Schuster, ME, Pike, SD, Shaffer, MSP, Williams, CK

High elasticity, chemically recyclable, thermoplastics from bio-based monomers: carbon dioxide, limonene oxide and ε-decalactone by Carrodeguas, LP, Chen, TTD, Gregory, GL, Sulley, GS, Williams, CK

“…The plastics are prepared from carbon dioxide, limonene oxide (from waste citrus fruit peel) and &#x3F5;-decalactone (from triglycerides). …”

Quantifying CO 2 Insertion Equilibria for Low-Pressure Propene Oxide and Carbon Dioxide Ring Opening Copolymerization Catalysts by Eisenhardt, KHS, Fiorentini, F, Lindeboom, W, Williams, CK

Heterodinuclear Zn(II), Mg(II) or Co(III) with Na(I) catalysts for carbon dioxide and cyclohexene oxide ring opening copolymerizations by Lindeboom, W, Fraser, D, Durr, C, Williams, CK

“…They highlight the potential for well-designed ancillary ligands and inexpensive Group 1 metals to deliver high performance heterodinuclear catalysts for carbon dioxide copolymerizations and, in future, these catalysts may also show promise in other alternating copolymerization and carbon dioxide utilizations.…”

Insights into the mechanism of carbon dioxide and propylene oxide ring-opening copolymerization using a Co(III)/K(I) heterodinuclear catalyst by Deacy, AC, Phanopoulos, A, Lindeboom, W, Buchard, A, Williams, CK

“…<p>A combined computational and experimental investigation into the catalytic cycle of carbon dioxide and propylene oxide ring-opening copolymerization is presented using a Co(III)K(I) heterodinuclear complex (Deacy, A. …”

The technological and economic prospects for CO2 utilisation and removal by Hepburn, C, Adlen, E, Beddington, J, Carter, EA, Fuss, S, Mac Dowell, N, Minx, JC, Smith, P, Williams, CK

“…The capture and use of carbon dioxide to create valuable products might lower the net costs of reducing emissions or removing carbon dioxide from the atmosphere. …”

Designing a circular carbon and plastics economy for a sustainable future by Vidal, F, van der Marel, ER, Kerr, RWF, McElroy, C, Schroeder, N, Mitchell, C, Rosetto, G, Chen, TTD, Bailey, RM, Hepburn, C, Redgwell, C, Williams, CK

“…This Perspective provides an integrated technological, economic and legal view on how to deliver a circular carbon and plastics economy that minimizes carbon dioxide emissions. Different pathways that maximize recirculation of carbon (dioxide) between plastics waste and feedstocks are outlined, including mechanical, chemical and biological recycling, and those involving the use of biomass and carbon dioxide. …”

Co(III)/alkali-metal(I) heterodinuclear catalysts for the ring-opening copolymerization of CO2 and propylene oxide by Deacy, AC, Moreby, E, Phanopoulos, A, Williams, CK

“…The ring-opening copolymerization of carbon dioxide and propene oxide is a useful means to valorize waste into commercially attractive poly(propylene carbonate) (PPC) polyols. …”

Chemical recycling of poly(cyclohexene carbonate) using a di-MgII catalyst by Singer, FN, Deacy, AC, McGuire, TM, Williams, CK, Buchard, A

“…Here, the first catalyzed chemical recycling of the widely investigated carbon dioxide derived polymer, poly(cyclohexene carbonate), to cyclohexene oxide and carbon dioxide is reported. …”

Understanding metal synergy in heterodinuclear catalysts for the copolymerization of CO2 and epoxides by Deacy, AC, Kilpatrick, AFR, Regoutz, A, Williams, CK

“…Carbon dioxide and epoxide copolymerization is an industrially relevant means to valorize waste and improve sustainability in polymer manufacturing. …”

Switchable catalysis improves the properties of CO2-derived polymers: poly(cyclohexene carbonate-b-ε-decalactone-b-cyclohexene carbonate) adhesives, elastomers, and toughened plast... by Sulley, GS, Gregory, GL, Chen, TDT, Carrodeguas, LP, Trott, G, Santmarti, A, Lee, KY, Terrill, NJ, Williams, CK

“…Carbon dioxide/epoxide copolymerization is an efficient way to add value to waste CO2 and to reduce pollution in polymer manufacturing. …”

Waste not, want not: CO2 (re)cycling into block polymers by Raman, SK, Raja, R, Arnold, PL, Davidson, MG, Williams, CK

“…The catalysis near quantitatively recycles the carbon dioxide released during polyester formation into the subsequent polycarbonate block, with an atom economy of up to of 91%.…”

Catalytic synergy using Al(III) and Group 1 metals to accelerate epoxide and anhydride ring-opening copolymerization by Diment, WT, Gregory, GL, Kerr, RWF, Phanopoulos, A, Buchard, A, Williams, CK

“…It rapidly polymerizes other epoxide/anhydride combinations yielding various semi-aromatic, rigid, and/or functionalizable polyesters and also shows activity in carbon dioxide/epoxide copolymerizations. The results of structure–activity, X-ray crystallography, polymerization kinetics, and density functional theory investigations support a mechanism with chain growth alternation between the metals. …”

Heterotrinuclear ring opening copolymerization catalysis: Structure–activity relationships by Plajer, AJ, Williams, CK

“…<p>Heteronuclear complexes are highly active catalysts in alternating ring opening copolymerizations (ROCOP) of cyclohexene oxide (CHO)/carbon dioxide or CHO/phthalic anhydride (PA). In this contribution, a series of new trinuclear complexes is investigated through a structure activity study that reveals the influences of ligand electronic properties and metal selection over the catalytic activity and linkage selectivity. …”