Self-healing Materials: A Review of Recent Developments
Tingting Song, Bojun Jiang, Yida Li, Zhuohan Ji, Hongling Zhou, Dawei Jiang, Ilwoo Seok, Vignesh Murugadoss, Nan Wen and Henry Colorado
1 College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China
2 Mechanical Engineering, Arkansas State University, PO Box 1740, State University, AR, 72467, USA
3 Integrated Composites Laboratory (ICL), Department of Chemical Engineering, University of Tennessee, Knoxville TN, 37996, USA
4 CCComposites Laboratory, Universidad de Antioquia UdeA, Calle 70 N°. 52-21, Medellín, 050010, Colombia
Abstract
Self-healing polymer is a kind of functional polymer material that can repair scratches, cracks, and other mechanical damage, whose unique self-healing ability is of great significance for prolonging the life of materials. Eigen self-healing polymers have become the focus of current research due to their advantages of mild healing conditions and repeatable healing. In this paper, the preparation technology and properties of self-healing elastomers were reviewed, which provided guidance for the preparation of polymers with high repair efficiency and pointed out its future development trend. The self-healing polymer materials based on Diels-Alder reaction, metal bond, hydrogen bond, ionic bond, disulfide bond, etc., are mainly introduced, and their preparation process, healing mechanism and healing properties are reviewed. Although much progress has been made in self-healing elastomers based on different dynamic bonds, the development of materials with high repair efficiency remains a huge challenge. In this paper, various repair pathways of self-healing elastomers were reviewed, which provided guidance for the balance between repair and mechanical properties. The development of inherently self-healing polymers was also prospected.
Publication details
Received: 12 Apr 2021
Revised: 04 May 2021
Accepted: 06 May 2021
Published online: 07 May 2021
Article type:
Review Paper
DOI:
10.30919/esmm5f465
Volume:
14
Page:
1-19
Citation:
ES Materials & Manufacturing, 2021, 14, 1-19
Permissions:
Copyright
Number of downloads:
3521
Citation Information:
20
Description:
This review summarizes various healing paths of self-healing elastomers and provides guidance for th....
This review summarizes various healing paths of self-healing elastomers and provides guidance for the balance between repair and mechanical properties.
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