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Issue 3, 2014
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Copper-mediated living radical polymerization (SET-LRP) of lipophilic monomers from multi-functional initiators: reducing star–star coupling at high molecular weights and high monomer conversions

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Abstract

The SET-LRP of lipophilic monomers (n-butyl and lauryl acrylate) from a lactose based octa-functional initiator is described. A range of highly defined lipophilic poly(acrylate) stars are prepared to relatively high molecular weights (Mn,target > 100 000 g mol−1 in some cases) and high monomer conversions (≥99%) with excellent control retained over molecular weight distributions (PDI values as low as 1.03). Phase separation of star polymers from the reaction media during polymerization is seen to occur which is advantageous in reducing star–star coupling in certain cases, without limiting the attainment of near quantitative conversions. A comparison is made between heterogeneous and homogeneous polymerization protocols to illustrate this finding.

Graphical abstract: Copper-mediated living radical polymerization (SET-LRP) of lipophilic monomers from multi-functional initiators: reducing star–star coupling at high molecular weights and high monomer conversions

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Publication details

The article was received on 06 Sep 2013, accepted on 27 Sep 2013 and first published on 01 Oct 2013


Article type: Paper
DOI: 10.1039/C3PY01241G
Citation: Polym. Chem., 2014,5, 892-898

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    Copper-mediated living radical polymerization (SET-LRP) of lipophilic monomers from multi-functional initiators: reducing star–star coupling at high molecular weights and high monomer conversions

    C. Waldron, A. Anastasaki, R. McHale, P. Wilson, Z. Li, T. Smith and D. M. Haddleton, Polym. Chem., 2014, 5, 892
    DOI: 10.1039/C3PY01241G

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