Self-Healing Polymeric Soft Actuators

Bonardd, Sebastian and Nandi, Mridula and Hernandez Garcia, Jose Ignacio and Maiti, Binoy and Abramov, Alex and Diaz Diaz, David (2023) Self-Healing Polymeric Soft Actuators. CHEMICAL REVIEWS, 123 (2). pp. 736-810. ISSN 0009-2665, 1520-6890

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Abstract

Natural evolution has provided multicellular organisms with sophisticated functionalities and repair mechanisms for surviving and preserve their functions after an injury and/or infection. In this context, biological systems have inspired material scientists over decades to design and fabricate both self-healing polymeric materials and soft actuators with remarkable performance. The latter are capable of modifying their shape in response to environmental changes, such as temperature, pH, light, electrical/magnetic field, chemical additives, etc. In this review, we focus on the fusion of both types of materials, affording new systems with the potential to revolutionize almost every aspect of our modern life, from healthcare to environmental remediation and energy. The integration of stimuli-triggered self healing properties into polymeric soft actuators endow environmental friendliness, cost-saving, enhanced safety, and lifespan of functional materials. We discuss the details of the most remarkable examples of self-healing soft actuators that display a macroscopic movement under specific stimuli. The discussion includes key experimental data, potential limitations, and mechanistic insights. Finally, we include a general table providing at first glance information about the nature of the external stimuli, conditions for self-healing and actuation, key information about the driving forces behind both phenomena, and the most important features of the achieved movement.

Item Type: Article
Uncontrolled Keywords: SHAPE-MEMORY POLYMERS; LIQUID-CRYSTALLINE POLYURETHANE; IMPROVED ELECTROMECHANICAL ACTUATION; DUAL CROSS-LINKING; MECHANICAL-PROPERTIES; GRAPHENE OXIDE; DIELECTRIC ELASTOMER; SIDE-CHAIN; TRIBOELECTRIC NANOGENERATOR; FE3O4 NANOPARTICLES
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Organische Chemie > Arbeitskreis Prof. Dr. David Díaz Díaz
Depositing User: Petra Gürster
Date Deposited: 21 Feb 2024 06:43
Last Modified: 21 Feb 2024 06:43
URI: https://pred.uni-regensburg.de/id/eprint/57708

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