ABC-type miktoarm star terpolymers accessed by H-bonding driven supramolecular self-assembly

Ozcan Altintas, David Schulze-Suenninghausen, Burkhard Luy, Christopher Barner-Kowollik

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

A supramolecular ABC-type miktoarm star polymer was prepared using a Hamilton wedge (HW) mid-chain functionalized polyethylene glycol-b-polystyrene (PEG-HW-PS) block copolymer and an α-cyanuric acid (CA) chain-end functional linear homopolymer poly-(n-butylacrylate) (CA-PnBA). The PEG-HW-PS element prepared via a combination of atom transfer radical polymerization (ATRP) and copper-catalyzed azide alkyne cycloaddition (CuAAC) (Mn = 13,700 g mol-1, PDI = 1.04). The CA-PnBA strand was synthesized via reversible addition-fragmentation chain transfer (RAFT) polymerization (Mn = 11,300 g mol-1, PDI = 1.06). The quantitative formation of a well-defined supramolecular ABC-type miktoarm star polymer was unambiguously proven via proton nuclear magnetic resonance (1H NMR) spectroscopy, diffusion ordered NMR spectroscopy (DOSY) and dynamic light scattering (DLS) analyses.

Original languageEnglish (US)
Pages (from-to)409-417
Number of pages9
JournalEuropean Polymer Journal
Volume62
DOIs
StatePublished - Feb 2015

Bibliographical note

Funding Information:
C.B.-K. is grateful for continued support from the Karlsruhe Institute of Technology (KIT) in the context of the Helmholtz BIF program. B.L. acknowledges funding by the Deutsche Forschungsgemeinschaft (DFG LU 835/8-1, research group FOR 934, and DFG instrument facility Pro 2 NMR) and the Helmholtz BioInterfaces program.

Publisher Copyright:
© 2014 Elsevier Ltd. All rights reserved.

Keywords

  • DLS
  • DOSY
  • Hydrogenbonding
  • Miktoarms Star Polymers
  • Supramolecular Architectures

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