2016
DOI: 10.3144/expresspolymlett.2016.76
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Synthesis of cationic star polymers by simplified electrochemically mediated ATRP

Abstract: Abstract. Cyclodextrin-based cationic star polymers were synthesized using β-cyclodextrin (β-CD) core, and 2-(dimethylamino)ethyl methacrylate (DMAEMA) as hydrophilic arms. Star-shaped polymers were prepared via a simplified electrochemically mediated ATRP (seATRP) under potentiostatic and galvanostatic conditions. The polymerization results showed molecular weight (MW) evolution close to theoretical values, and maintained narrow molecular weight distribution (MWD) of obtained stars. The rate of the polymeriza… Show more

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Cited by 28 publications
(29 citation statements)
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“…At the beginning of the electrolysis, only deactivator (X−Cu II /L) was present in the reaction mixture, so the cathodic current decayed as X−Cu II /L was converted to the Cu I /L activator. Subsequently, the current approached a low and constant value as the [X–Cu II /L]/[Cu I /L] ratio, adjusted by the selected E app , was obtained . A more negative potential generated larger initial value of the current indicating a higher reduction rate (Figure S2b, Supporting Information) and thus faster polymerization (compare k p app ; Table , entries 1−4; Figure b).…”
Section: Resultsmentioning
confidence: 96%
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“…At the beginning of the electrolysis, only deactivator (X−Cu II /L) was present in the reaction mixture, so the cathodic current decayed as X−Cu II /L was converted to the Cu I /L activator. Subsequently, the current approached a low and constant value as the [X–Cu II /L]/[Cu I /L] ratio, adjusted by the selected E app , was obtained . A more negative potential generated larger initial value of the current indicating a higher reduction rate (Figure S2b, Supporting Information) and thus faster polymerization (compare k p app ; Table , entries 1−4; Figure b).…”
Section: Resultsmentioning
confidence: 96%
“…Recently, a simplified electrochemically mediated ATRP ( se ATRP) was developed, a procedure which does not require the separation of cathodic and anodic compartments in the e ATRP reactor . The use of an undivided cell allowed for a simpler reaction setup and lower cost of the process.…”
Section: Introductionmentioning
confidence: 99%
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“… Monomer conversion, apparent propagation constants ( k p app ), and apparent degree of polymerization of monomer unit per chain (DP n,theo ) were determined by NMR; …”
Section: Resultsmentioning
confidence: 99%
“…Monomer conversion, apparent propagation constants ( k p app ), and apparent degree of polymerization of monomer unit per arm (DP n,theo ) were determined by NMR. ()…”
Section: Resultsmentioning
confidence: 99%