Reversible hetero-Diels–Alder amine hardener as drop-in replacement for healable epoxy coatings

Author:

Rajappan Sinu C.1,Davis Brad J.1,Dishner Isaiah T.1ORCID,Thornell Travis L.2,Peyrefitte John J.1,Simon Yoan C.1ORCID

Affiliation:

1. School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, MS 39406, USA

2. Environmental Laboratory, U.S. Army Engineer Research and Development Center, 3909 Halls Ferry Road, Vicksburg, MS 39180, USA

Abstract

Replacing commercial hardeners with bio-sourced fatty acids linked by hetero Diels–Alder (HDA) motifs enabled epoxy-amine coatings with intrinsic self-healing properties. The HDA-based coatings demonstrate scratch healing at 95 °C within 15 min.

Funder

National Science Foundation

Publisher

Royal Society of Chemistry (RSC)

Subject

Organic Chemistry,Polymers and Plastics,Biochemistry,Bioengineering

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