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Reprocessable thermosets for sustainable three-dimensional printing

Author

Listed:
  • Biao Zhang

    (Singapore University of Technology and Design)

  • Kavin Kowsari

    (Singapore University of Technology and Design)

  • Ahmad Serjouei

    (Singapore University of Technology and Design)

  • Martin L. Dunn

    (Singapore University of Technology and Design
    University of Colorado—Denver)

  • Qi Ge

    (Singapore University of Technology and Design
    Singapore University of Technology and Design)

Abstract

Among all three-dimensional (3D) printing materials, thermosetting photopolymers claim almost half of the market, and have been widely used in various fields owing to their superior mechanical stability at high temperatures, excellent chemical resistance as well as good compatibility with high-resolution 3D printing technologies. However, once these thermosetting photopolymers form 3D parts through photopolymerization, the covalent networks are permanent and cannot be reprocessed, i.e., reshaped, repaired, or recycled. Here, we report a two-step polymerization strategy to develop 3D printing reprocessable thermosets (3DPRTs) that allow users to reform a printed 3D structure into a new arbitrary shape, repair a broken part by simply 3D printing new material on the damaged site, and recycle unwanted printed parts so the material can be reused for other applications. These 3DPRTs provide a practical solution to address environmental challenges associated with the rapid increase in consumption of 3D printing materials.

Suggested Citation

  • Biao Zhang & Kavin Kowsari & Ahmad Serjouei & Martin L. Dunn & Qi Ge, 2018. "Reprocessable thermosets for sustainable three-dimensional printing," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-04292-8
    DOI: 10.1038/s41467-018-04292-8
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    Cited by:

    1. Zizheng Fang & Yunpeng Shi & Hongfeng Mu & Runzhi Lu & Jingjun Wu & Tao Xie, 2023. "3D printing of dynamic covalent polymer network with on-demand geometric and mechanical reprogrammability," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    2. Rongjuan Huang & Yunfei He & Juan Wang & Jindou Zou & Hailan Wang & Haodong Sun & Yuxin Xiao & Dexin Zheng & Jiani Ma & Tao Yu & Wei Huang, 2024. "Tunable afterglow for mechanical self-monitoring 3D printing structures," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Jianxiang Cheng & Rong Wang & Zechu Sun & Qingjiang Liu & Xiangnan He & Honggeng Li & Haitao Ye & Xingxin Yang & Xinfeng Wei & Zhenqing Li & Bingcong Jian & Weiwei Deng & Qi Ge, 2022. "Centrifugal multimaterial 3D printing of multifunctional heterogeneous objects," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    4. Stavros Ponis & Eleni Aretoulaki & Theodoros Nikolaos Maroutas & George Plakas & Konstantina Dimogiorgi, 2021. "A Systematic Literature Review on Additive Manufacturing in the Context of Circular Economy," Sustainability, MDPI, vol. 13(11), pages 1-28, May.

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