4D Printing of Thermally Activated Self-Healing Shape Memory Polyurethanes
Source abstract
Abstract
Shape memory polyurethanes are polymers with reversible, temporarily cross-linked networks that enable them to retain and recover their original shapes. While shape memory polyurethanes offer many advanced functionalities and benefits, certain aspects of their production and lifecycle pose sustainability concerns. Herein, we fabricated shape memory polyurethanes with self-healing properties by incorporating disulfide bonding into the polymer system. We then further developed them as resins for the digital light processing technique, advancing the 4D printing capability of shape memory polyurethanes. Through additive manufacturing, the sustainability of shape memory polyurethanes is enhanced by minimizing material waste, optimizing energy efficiency, and enabling the production of customized, high-performance components.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Polymer composites and self-healing · Photochromic and Fluorescence Chemistry · Polydiacetylene-based materials and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Agency for Science, Technology and Research (A*STAR), Institute of Materials Research and Engineering (IMRE), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Singapore
Department of Materials Science and Engineering, College of Design and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore
Funding
Agency for Science, Technology and Research
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