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Continuous 3D printing from one single droplet

Author

Listed:
  • Yu Zhang

    (Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Zhichao Dong

    (University of Chinese Academy of Sciences
    CAS Key Laboratory of Bio-inspired Materials and Interfacial Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

  • Chuxin Li

    (CAS Key Laboratory of Bio-inspired Materials and Interfacial Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

  • Huifeng Du

    (Massachusetts Institute of Technology)

  • Nicholas X. Fang

    (Massachusetts Institute of Technology)

  • Lei Wu

    (Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Yanlin Song

    (Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

Abstract

3D printing has become one of the most promising methods to construct delicate 3D structures. However, precision and material utilization efficiency are limited. Here, we propose a one-droplet 3D printing strategy to fabricate controllable 3D structures from a single droplet ascribing to the receding property of the three-phase contact line (TCL) of the resin droplet. The well-controlled dewetting force of liquid resin on the cured structure results in the minimization of liquid residue and the high wet and net material utilization efficiency in forming a droplet into a 3D structure. Additionally, extra curing induced protruding or stepped sidewalls under high printing speed, which require high UV intensity, can be prevented. The critical is the free contact surface property of the droplet system with the introduction of the receding TCL, which increased the inner droplet liquid circulation and reduces the adhesion properties among the liquid resin, cured resin, and resin vat.

Suggested Citation

  • Yu Zhang & Zhichao Dong & Chuxin Li & Huifeng Du & Nicholas X. Fang & Lei Wu & Yanlin Song, 2020. "Continuous 3D printing from one single droplet," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18518-1
    DOI: 10.1038/s41467-020-18518-1
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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. Zhuoxing Liu & Zidong Zhan & Tao Shen & Ning Li & Chengqi Zhang & Cunlong Yu & Chuxin Li & Yifan Si & Lei Jiang & Zhichao Dong, 2023. "Dual-bionic superwetting gears with liquid directional steering for oil-water separation," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    3. Yu Zhang & Lidian Zhang & Chengqi Zhang & Jingxia Wang & Junchao Liu & Changqing Ye & Zhichao Dong & Lei Wu & Yanlin Song, 2022. "Continuous resin refilling and hydrogen bond synergistically assisted 3D structural color printing," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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