Woohwa Lee, Hyun Kim, In-Soo Han, Chang-Geun Chae, Sungmin Park, Dong-Gyun Kim, Yong Seok Kim
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Reprocessable and 3D printable polydimethylsiloxane by dynamic siloxane bond exchange
Strategies for synthesis and processing of silicone rubber materials in three-dimensional (3D) structures are of significant interest based on their exceptional potential in many applications including flexible electronics and biomedical devices. Here, we present a synthetic approach of crosslinked polydimethylsiloxane (PDMS) exhibiting dynamic siloxane bond exchange for sufficient stress relaxation capability to enable versatile processabilities including reprocessing, remolding, self-healing, and hot-melt extrusion 3D printing. Considering the significant potential of recyclable silicone materials and their 3D structures, presented approaches enabled by dynamic exchangeable PDMS can provide a new pathway to replace conventional unrecyclable silicone used in diverse industrial sectors.
期刊介绍：
MRS Communications is a full-color, high-impact journal focused on rapid publication of completed research with broad appeal to the materials community. MRS Communications offers a rapid but rigorous peer-review process and time to publication. Leveraging its access to the far-reaching technical expertise of MRS members and leading materials researchers from around the world, the journal boasts an experienced and highly respected board of principal editors and reviewers.
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