Controlled Radical Polymerization (CRP)
Alkoxyamine-mediated Controlled Radical Polymerization in Emulsion
... concerns. Controlled Radical Polymerization (CRP), especially when applied directly in emulsion, will be able to reconcile these conflicting ...sequential radical polymerization of ...
1
Effect of α- and β-H/F substitution on the homolytic bond strength in dormant species of controlled radical polymerization: OMRP vs. ITP and RAFT
... organometallic-mediated radical polymerization, iodine transfer polymerization, RAFT polymerization, vinylidene fluoride, cobalt, ...Deactivation Radical Polymerization (RDRP), ...
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How the interplay of different control mechanisms affects the initiator efficiency factor in controlled radical polymerization: An investigation using organometallic MoIII-based catalysts
... Introduction Controlled Radical Polymerization (CRP) is rapidly becoming a widespread polymerization method because it combines the advantages of radical polymerization ...
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Homolytic Bond Strengths and Formation Rates in Half-Sandwich Chromium Alkyl Complexes: Relevance for Controlled Radical Polymerization
... the polymerization of less reactive monomers, we have considered the use of half-sandwich -diketiminato system of Cr II , or the type shown in Scheme ...for controlled radical polymerization ...
6
Controlled radical polymerization of vinyl esters and vinyl amides: experimental and theoretical studies
... copper-mediated polymerization by ATRP, there is no report so far on the use of copper in RDRP within an OMRP approach but, given the expected trend of bond strengths, we suspected that copper may have the ...
189
Copper(I/II) and cobalt(II) coordination chemistry of relevance to controlled radical polymerization processes
... transfer radical polymerization (ATRP) [3, 4]; (ii) homolytic cleavage of metal-carbon bonds, termed organometallic radical polymerization (OMRP) [5, 6]; (iii) degenerative transfer (DT), ...
35
Recent Advances in Macromolecular Design via Cobalt-Mediated Radical Polymerization
... Nowadays, 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 ...
2
Cyclopentadienyl Chromium β-Diketiminate Complexes: Initiators, Ligand Steric Effects, and Deactivation Processes in the Controlled Radical Polymerization of Vinyl Acetate
... the expected value of 30100, M w /M n = 1.80) in 46 h under much milder conditions (T = 30°C). Although the controlling ability was poor (low initiator efficiency, high polydispersity), the sustained ...
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Synthesis and characterization of MoOI2(PMe3)3, and use of MoOX2(PMe3)3 (X = Cl, I) in controlled radical polymerization
... the radical polymerization of activated ...active radical concentration at very low levels though a fast reversible equilibrium with a dormant species, thereby reducing the incidence of bimolecular ...
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Impact of Organometallic Intermediates on Copper-Catalyzed Atom Transfer Radical Polymerization
... Experimental section, additional CVs, details on PREDICI and electrochemical simulations. Acknowledgments Support from the U.S. National Science Foundation (NSF, grant CHE 1707490) and from the French “Centre National de ...
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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?
... The 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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Polymer design by cobalt-mediated radical polymerization
... of controlled radical polymerization (CRP) appears as a major achievement because it paved the way to the synthesis of unprecedented and precise macromolecular ...
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Iron-mediated reversible deactivation controlled radical polymerization
... of polymerization, suggesting that it is not inefficient chain exchange but rather competing reaction pathways such as CCT or catalyst decomposition that lead to a loss of ...of radical trapping by Cu I are ...
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Controlled Radical Polymerization of Vinyl Acetate with Cyclopentadienyl Chromium β-Diketiminate Complexes: ATRP vs OMRP
... • radical has the choice to either react with a molecule of CpCr II (nacnac) to irreversibly yield the Cr III enolate, or add to monomer to start the PVAc chain ...
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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) ...
1
Tailor-made polymers by organometallic-mediated radical polymerization (OMRP)
... controlled radical polymerization (CRP) techniques appeared as major achievements because it paved the way to the synthesis of precise macromolecular architectures under mild experimental ...
1
Design of polymers by cobalt-mediated radical polymerization and coupling reaction
... Cobalt-Mediated Radical Polymerization (CMRP) emerged as a controlled radical polymerization technique of ...the radical chains by a cobalt complex, which strongly decreases the ...
1
Cobalt mediated radical polymerization (CMRP) : progress IN technology and macromolecular engineering
... the controlled radical polymerization of vinyl acetate and in the successful functionalization of poly(vinyl acetate) (PVAc) and derivatized poly(vinyl alcohol) (PVOH) ...Mediated Radical ...
2
Atom Transfer Radical Polymerization (ATRP) and Organometallic Mediated Radical Polymerization (OMRP) of styrene mediated by diaminobis(phenolato)iron(II) complexes: A DFT study
... understanding controlled radical polymerization reactivity was studied with preliminary results suggesting model OMRP reactions should be favored at high pressures in non-coordinating ...
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Tailor-made polymers by cobalt-mediated radical polymerization
... Cobalt-Mediated Radical Polymerization (CMRP) emerged as a controlled radical polymerization technique of ...the radical chains by a cobalt complex, which strongly decreases the ...
1