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Issue 1, 2013
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Synthesis of block polymer miktobrushes

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Well defined μ-A(BC)nmiktobrush’ terpolymers were synthesized utilizing the alternating radical copolymerization of two hydrophobic and incompatible macromonomer (MM) building blocks; a maleimide (MI) end functionalized poly(methyl-caprolactone) block (MI-PMCL) or ‘C’ and a styrene (Sty) end functionalized poly(perfluoro propylene oxide) block (Sty-PFPO) or ‘F’. Polymerizations were mediated by a poly(ethylene oxide) (PEO) functionalized reversible addition–fragmentation chain transfer (RAFT) agent (PEO–CTA) or ‘O’ to control the chain growth of the MMs from the O block to form O(CF)nmiktobrush” terpolymers. The synthesis of a range of well defined μ-O(CF)n terpolymers with various compositions was achieved by changing the feed of MMs. All building blocks and brush polymers were characterized by nuclear magnetic resonance (NMR) spectroscopy, size exclusion chromatography (SEC) and elemental analyses. This new strategy offers a powerful route towards a block polymer architecture that can enable the formation of multi-domain hierarchical nanostructures with features on multiple length scales due to the incompatibility and unique connectivity of the building blocks incorporated.

Graphical abstract: Synthesis of block polymer miktobrushes

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The article was received on 16 Aug 2012, accepted on 12 Sep 2012 and first published on 13 Sep 2012

Article type: Paper
DOI: 10.1039/C2PY20656K
Citation: Polym. Chem., 2013,4, 166-173
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    Synthesis of block polymer miktobrushes

    A. O. Moughton, T. Sagawa, W. M. Gramlich, M. Seo, T. P. Lodge and M. A. Hillmyer, Polym. Chem., 2013, 4, 166
    DOI: 10.1039/C2PY20656K

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