A New Approach Toward Metal-Free Self-Healing Ionomers Based on Phosphate and Methacrylate Containing Copolymers

Journal Article (2017)
Author(s)

Jan Dahlke (Friedrich Schiller University Jena)

RK Bose (TU Delft - Novel Aerospace Materials)

Stefan Zechel (Friedrich Schiller University Jena)

S. J. Garcia Espallargas (TU Delft - Novel Aerospace Materials)

S. Van der ZWAAG (TU Delft - Novel Aerospace Materials)

Martin D. Hager (Friedrich Schiller University Jena)

Ulrich S. Schubert (Friedrich Schiller University Jena)

Research Group
Novel Aerospace Materials
DOI related publication
https://doi.org/10.1002/macp.201700340
More Info
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Publication Year
2017
Language
English
Research Group
Novel Aerospace Materials
Issue number
23
Volume number
218

Abstract

In order to accelerate the progress of the development of new self-healing ionomers, a new pathway toward fully organic ionomers containing methacrylic acid and phosphate-based functional groups, respectively, as well as butyl methacrylate as comonomer is presented in the current study. The well-defined copolymer structures are synthesized using the reversible addition-fragmentation chain transfer polymerization and further characterized by NMR, size exclusion chromatography as well as titration. Two different metal-free ionomers as well as one reference K+ based ionomer are created and tested. The results of the detailed investigation by NMR, thermal analysis, and rheology are correlated with the scratch-healing performance in order to identify trends and dependencies leading to preconditions for further improvements.

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