Recyclable Thermoset Polymers for 4D Printing

Document Type

Article

Publication Date

1-1-2022

Abstract

4D printing is an emerging manufacturing technology that combines complex geometries and shape memory materials together, which is important for the development of next-generation smart structures. To meet the sustainability requirement, multifunctional smart structures that can be used repeatedly for various engineering structural or construction applications are needed. The lifetime of 4D printed structures can be extended by integrating the self-healing or recycling properties into the 4D printed shape-memory structures. In the past decade, the development of dynamic covalent chemistries has been growing rapidly. They are especially critical to be applied to thermosets and form a reversibly crosslinked network, making the thermosets recyclable or reprocessable as thermoplastics. Recent studies have integrated the dynamic chemistries for 3D/4D printing, which will be thoroughly discussed in this article.

Publication Source (Journal or Book title)

Encyclopedia of Materials: Plastics and Polymers

First Page

381

Last Page

394

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