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

Journal article (2017)

Authors

Jan Dahlke Friedrich Schiller University Jena
R.K. Bose Novel Aerospace Materials - Aerospace Engineering
Stefan Zechel Friedrich Schiller University Jena
Santiago J. Garcia Novel Aerospace Materials - Aerospace Engineering
S. van der Zwaag Novel Aerospace Materials - Aerospace Engineering
Martin D. Hager Friedrich Schiller University Jena
Ulrich S. Schubert Friedrich Schiller University Jena
Research Group
Novel Aerospace Materials (Aerospace Engineering) (TU Delft)
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Published Date

01-12-2017

Language

English

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Faculty

Aerospace Engineering

Department

Aerospace Structures & Materials

Research Group

Novel Aerospace Materials

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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