Issue 1, 2013

Synthesis of block polymer miktobrushes

Abstract

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

Supplementary files

Article information

Article type
Paper
Submitted
16 Aug 2012
Accepted
12 Sep 2012
First published
13 Sep 2012

Polym. Chem., 2013,4, 166-173

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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