An Overview of Self-Healable Polymers and Recent Advances in the Field

Nadim El Choufi, Samir Mustapha, Ali Tehrani B.*, Brian P. Grady

*Corresponding author for this work

Research output: Contribution to journalReview Articlepeer-review

15 Citations (Scopus)
269 Downloads (Pure)

Abstract

The search for materials with better performance, longer service life, lower environmental impact, and lower overall cost is at the forefront of polymer science and material engineering. This has led to the development of self-healing polymers with a range of healing mechanisms including capsular-based, vascular, and intrinsic self-healing polymers. The development of self-healable systems has been inspired by the healing of biological systems such as skin wound healing and broken bone reconstruction. The goal of using self-healing polymers in various applications is to extend the service life of polymers without the need for replacement or human intervention especially in restricted access areas such as underwater/underground piping where inspection, intervention, and maintenance are very difficult. Through an industrial and scholarly lens, this paper provides: a) an overview of self-healing polymers; b) classification of different self-healing polymers and polymer-based composites; c) mechanical, thermal, and electrical analysis characterization; d) applications in coating, composites, and electronics; e) modeling and simulation; and f) recent development in the past 20 years. This review highlights the importance of healable polymers for an economically and environmentally sustainable future, the most recent advances in the field, and current limitations in fabrication, manufacturing, and performance.

Original languageEnglish
Article number2200164
JournalMacromolecular Rapid Communications
Volume43
Issue number17
Early online date9 May 2022
DOIs
Publication statusPublished - Sept 2022
MoE publication typeA2 Review article, Literature review, Systematic review

Keywords

  • applications
  • characterization tests
  • classification
  • coatings
  • limitations
  • mechanical properties
  • modeling
  • recent advances
  • self-healing polymers

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