Organometallic mediated radical polymerization
Organometallic-Mediated Radical Polymerization of Vinylidene Fluoride
... distribution and a degradation of the control. [6c, 6d, 8] Ideally, a RDRP technique should reactivate both PVDF chain ends at the same rate. Asandei et al. [9] were able to reactivate the -CF 2 CH 2 -I terminated PVDF ...
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Synthetic and mechanistic advances in the cobalt-mediated radical polymerization of N-vinyl amides
... Organometallic-Mediated Radical Polymerization (OMRP) is an emerging class of controlled radical polymerization which permits the synthesis of precise macromolecular a[r] ...
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Straightforward Synthesis of Well-Defined Poly(vinylidene fluoride) and Its Block Copolymers by Cobalt-Mediated Radical Polymerization
... The organometallic-mediated radical polymerization (OMRP) of vinylidene fluoride (VDF) using an alkyl cobalt(III) compound as initiator was recently proven successful for the controlled ...
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Organometallic-Mediated Alternating Radical Copolymerization of tert -Butyl-2-Trifluoromethacrylate with Vinyl Acetate and Synthesis of Block Copolymers Thereof
... ––––––––– Organometallic-mediated radical polymerization (OMRP) has given access to well-defined poly(vinyl acetate-alt-tert-butyl-2-trifluoromethacrylate)-b-poly(vinyl acetate) and poly(VAc- ...
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Recent Advances in Macromolecular Design via Cobalt-Mediated Radical Polymerization
... controlled radical polymerization (CRP) is a technique of choice for the preparation of a wide range of novel polymeric materials with well-defined molecular ...transfer radical polymerization ...
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Effect of Head-to-Head Addition in Vinyl Acetate Controlled Radical Polymerization: Why Is Co(acac) 2 -Mediated Polymerization so Much Better?
... controlled polymerization of vinyl acetate has been recently achieved by several techniques, but PVAc with targeted Mn and low dispersity up to very high monomer conversions and high degrees of ...
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Design of well-defined N-vinylamides based copolymers via organometalllic-mediated radical polymerization
... Design of Well-Defined N-Vinylamides Based Copolymers via Organometallic-Mediated Radical Polymerization A. Debuigne a , A. Kermagoret a , C.-A. Fustin b , R. Poli c , C. Jérôme a , C. ...
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Polymer design by cobalt-mediated radical polymerization
... Organometallic-Mediated Radical Polymerization ...growing radical chains by a transition metal species (See scheme ...the polymerization, the dominating population of inactive ...
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Cobalt mediated radical polymerization (CMRP) : progress IN technology and macromolecular engineering
... the Organometallic Mediated Radical Polymerization (OMRP), with emphasis on cobalt complexes as reversible end- cappers of growing radical polymer chains (Figure ...
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Atom Transfer Radical Polymerization (ATRP) and Organometallic Mediated Radical Polymerization (OMRP) of styrene mediated by diaminobis(phenolato)iron(II) complexes: A DFT study
... doubt of quantitative relevance. Finally, it is important to note that this is an idealized system. In an experimental operation, protic impurities would surely react vigorously with the organometallic trapping ...
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Tailor-made polymers by organometallic-mediated radical polymerization (OMRP)
... growing radical chains by a transition metal ...the polymerization, the dominating population of inactive chains is in equilibrium with a low amount of active ones, which strongly decreases the probability ...
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Mechanistic Insights into the Cobalt-Mediated Radical Polymerization (CMRP) of Vinyl Acetate with Cobalt(III) Adducts as Initiators
... initiating radical (Scheme 3). Radical polymerization of vinyl acetate was carried out with compounds 1-3, ...VAc polymerization is rather fast (10% conversion per hour) although uncontrolled ...
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Reversible-Deactivation Radical Polymerization of Methyl Methacrylate and Styrene Mediated by Alkyl Dithiocarbamates and Copper Acetylacetonates
... reactive radical chain relative to the bimolecular radical-radical couplings and ...controlled radical polymerization need not be a stable species, is not ...
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Synthesis of novel block copolymers by cobalt-mediated radical polymerization (CMRP) and isoprene-assisted radical coupling reaction (I-ARC)
... Isoprene-Assisted Radical Coupling (I-ARC) 1 , allows to couple quantitatively polymer chains preformed by Cobalt-Mediated Radical Polymerization (CMRP) 2 , an efficient controlled ...
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Solving the problem of the bis(acetylacetonato)cobalt(ii)-mediated radical polymerization of acrylates
... controlled radical polymerization methods, Cobalt-Mediated Radical Polymerization (CMRP) is characterized by a high level of control on the polymerization of monomers of very ...
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Overview of cobalt-mediated radical polymerization: Roots, state of the art and future prospects
... predicting tool. This is all the more realistic since DFT calculations have already proved the ability to rationalize experimental observations based on the evaluation of the Co-C bond dissociation enthalpy (BDE) and the ...
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Supported cobalt mediated radical polymerization (SCMRP) of vinyl acetate and recycling of the cobalt complex
... This communication aims at reporting for the first time on the preparation, use and recycling of supported cobalt complexes for the controlled radical polymerization of vinyl acetate. Two strategies were ...
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Cobalt mediated radical polymerization (CMRP) using bis(acetylacetonato)cobalt(II): a unique tool for controlling the radical polymerization of conjugated and unconjugated vinyl monomers
... A current challenge for CRP lies in mediating monomers displaying a wide range of reactivity with the same control agent. In this work, [4] the homopolymerization of nBuA was controlled using an alkylcobalt(III) ...
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Update and challenges in organo-mediated polymerization reactions
... Phenol derivatives represent another class of small molecules with H-bond donor capabilities and that can be involved in polymerization reactions, by analogy with the activation of monomer by thiourea derivatives. ...
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Electronic and Steric Ligand Effects in the Radical Polymerization of Vinyl Acetate Mediated by β-Ketoiminate Complexes of Cobalt(II)
... values indicate a relatively slow radical trapping process by the Co II complexes, slowing down in the order 3 > 1 > 2. Furthermore, the resulting PVAc-cobalt(III) dormant species are able to function as ...
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