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Le Dot M, Giacoletto N, Morlet-Savary F, Graff B, Monnier V, Gigmes D, Nechab M, Dumur F, Gerard P, Lalevée J. Synergistic Approach of Type I Hybrid Complexes for highly efficient Metal-based Initiating Strategies: Toward low energy-consuming polymerization for Thermoplastic Composite Implementation. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Arar A, Wisson L, Lalevée J. New Pure Organic and Peroxide-Free Redox Initiating Systems for Polymerization in Mild Conditions. Polymers (Basel) 2021; 13:polym13020301. [PMID: 33477848 PMCID: PMC7832862 DOI: 10.3390/polym13020301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/15/2021] [Accepted: 01/16/2021] [Indexed: 11/16/2022] Open
Abstract
Redox initiating systems (RISs) are highly worthwhile for polymerization in mild conditions (at room temperature—RT) without external thermal or light activation. With high performance redox initiating systems RIS, the free radical polymerization FRP can even be carried out under air and without inhibitors/stabilizers removal from the monomers/resins. However, efficient RISs are still based on peroxides or metal complexes. In this work, a pure organic and peroxide-free RIS is presented based on the interaction of a well-selected triarylamine derivative (T4epa) with iodonium salt used as reducing and oxidizing agents, respectively. The redox polymerization (Redox FRP) was followed through pyrometry and thermal imaging experiments. Remarkably, a full control of the work time as well as a high reactivity is observed for mild conditions.
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Musgrave III CB, Kim K, Singstock NR, Salazar AM, Stansbury JW, Musgrave CB. Computational and Experimental Evaluation of Peroxide Oxidants for Amine–Peroxide Redox Polymerization. Macromolecules 2020; 53:9736-9746. [DOI: 10.1021/acs.macromol.0c02069] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Charles B. Musgrave III
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
- Materials and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, United States
| | - Kangmin Kim
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Nicholas R. Singstock
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Austyn M. Salazar
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
- School of Dental Medicine, Craniofacial Biology, University of Colorado Denver, Aurora, Colorado 80045, United States
| | - Jeffrey W. Stansbury
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
- School of Dental Medicine, Craniofacial Biology, University of Colorado Denver, Aurora, Colorado 80045, United States
| | - Charles B. Musgrave
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
- Materials Science and Engineering Program, University of Colorado, Boulder, Colorado 80309, United States
- National Renewable Energy Laboratory, Golden, Colorado 80401, United States
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