Results 241 to 250 of about 22,210 (290)
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Kinetic Modeling of Normal ATRP, Normal ATRP with [CuII]0, Reverse ATRP and SR&NI ATRP
Macromolecular Theory and Simulations, 2008AbstractThe kinetics of various ATRP systems, including normal ATRP, normal ATRP in the presence of initially‐added CuII, reverse ATRP and SR&NI ATRP were modeled using Predici software. The instantaneous kinetic chain length was introduced for ATRP and was used for the prediction of control over polymerization.
Wei Tang, Krzysztof Matyjaszewski
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Macromolecules, 2012
Activators regenerated by electron transfer atom transfer radical polymerization (ARGET ATRP) was successfully implemented in aqueous media for the first time. A well-controlled polymerization of oligo(ethylene oxide) methyl ether methacrylate (OEOMA) was conducted with 300 ppm or lower of a copper catalyst and tris(2-pyridylmethyl)amine (TPMA) ligand ...
Antonina Simakova +3 more
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Activators regenerated by electron transfer atom transfer radical polymerization (ARGET ATRP) was successfully implemented in aqueous media for the first time. A well-controlled polymerization of oligo(ethylene oxide) methyl ether methacrylate (OEOMA) was conducted with 300 ppm or lower of a copper catalyst and tris(2-pyridylmethyl)amine (TPMA) ligand ...
Antonina Simakova +3 more
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Sequence-coded ATRP macroinitiators
Polymer Chemistry, 2017Sequence-defined oligourethanes were transformed into ATRP initiators and used for the synthesis of precision macromolecular architectures.
Telitel, Sofia +4 more
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ACS Catalysis, 2020
Despite over two decades of research, butadiene (BD) remains one of the most challenging monomers for atom transfer radical polymerization (ATRP).
Hyun-Seok Yu +4 more
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Despite over two decades of research, butadiene (BD) remains one of the most challenging monomers for atom transfer radical polymerization (ATRP).
Hyun-Seok Yu +4 more
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Supported ATRP and giant polymers
Chemical Communications, 2003Surface-initiated Atom Transfer Radical Polymerization (ATRP) produces surface-bound films with thicknesses up to tens of microns. We report on the possible existence of micron-sized, individual polymer chains in these films.
Peter von Natzmer +3 more
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High Molecular Weight PMMA by ATRP
Macromolecules, 2002Atom transfer radical polymn. kinetics was examd. in a high monomer-initiator ratio system to evaluate the possibility of obtaining low polydispersity high mol. wt. polymethyl methacrylate by a one-pot synthesis. Three different ligands were examd., N,N,N',N\",N\"-pentamethyldiethyltriamine (PMDETA), 4,4'-n-nonyl-2,2'-bipyridine, (dnNbpy,) and 2 ...
PJ Piet Lemstra +2 more
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Journal of Molecular Catalysis A: Chemical, 2011
In an attempt to correlate the ATRP kinetics and the redox properties of the mediator, eight iron complexes with nitrogen, phosphorous and carboxylic acid containing ligands were investigated by el ...
Helena Bergenudd +2 more
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In an attempt to correlate the ATRP kinetics and the redox properties of the mediator, eight iron complexes with nitrogen, phosphorous and carboxylic acid containing ligands were investigated by el ...
Helena Bergenudd +2 more
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Biocatalytic ATRP in solution and on surfaces
2019The promiscuity of enzymes allows for their implementation as catalysts for non-native chemical transformations. Utilizing the redox activity of metalloenzymes under activator regenerated by electron transfer (ARGET) ATRP conditions, well-controlled and defined polymers can be generated.
Rodriguez K. J. +4 more
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Mechanism of Halogen Exchange in ATRP
Macromolecules, 2011Detailed mechanistic studies reveal that halogen exchange (HE) in ATRP can occur not only by a radical pathway (atom transfer) but also by an ionic pathway (SN2 reaction) because Cu(I)(L)X and Cu(I...
Krzysztof Matyjaszewski +3 more
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2014
This review summarizes the recent progress on the synthesis and application of covalently crosslinked hydrogels prepared using atom transfer radical polymerization (ATRP) technique. ATRP has been employed as an effective means to synthesize well-controlled polymeric materials with narrow molecular weight distributions, compositions, chain-end ...
Jung Kwon Oh +3 more
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This review summarizes the recent progress on the synthesis and application of covalently crosslinked hydrogels prepared using atom transfer radical polymerization (ATRP) technique. ATRP has been employed as an effective means to synthesize well-controlled polymeric materials with narrow molecular weight distributions, compositions, chain-end ...
Jung Kwon Oh +3 more
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