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首页> 外文期刊>ACS Macro Letters >Self-Healing Polyurethane Elastomers Based on a Disulfide Bond by Digital Light Processing 3D Printing
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Self-Healing Polyurethane Elastomers Based on a Disulfide Bond by Digital Light Processing 3D Printing

机译：通过数字光处理3D印刷基于二硫键的自愈性聚氨酯弹性体

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摘要

A type of polyurethane elastomer with excellent self-healing ability has been fabricated through digital light processing 3D printing. First, a type of polyurethane acrylate containing disulfide bonds is synthesized and then compounded with reactive diluent and photoinitiators to get a photopolymer resin. Due to the good fluidity and high curing rate, the photopolymer resin can be applied in DLP 3D printing, and various 3D objects with complicated structures, high printing accuracy, and remarkable self-healing ability have been printed. The tensile strength and elongation at break of the polyurethane elastomer are 3.39 +/- 0.09 MPa and 400.38 +/- 14.26%, respectively, and the healing efficiency can get to 95% after healing at 80 degrees C for 12 h and can be healed for multiple times. With the ease of fabrication and excellent performance, the polyurethane elastomers from DLP 3D printing have great potential applications in flexible electronics, soft robotics, and sensors.
机译：通过数字光处理3D打印制造具有优异的自愈合能力的聚氨酯弹性体。 首先，合成一种含有二硫键的聚氨酯丙烯酸酯，然后用反应性稀释剂和光引发剂配混，得到光聚合物树脂。 由于良好的流动性和高固化速率，光聚合物树脂可以应用于DLP 3D印刷，并打印了具有复杂结构，高印刷精度和显着的自我愈合能力的各种3D对象。 聚氨酯弹性体断裂的拉伸强度和伸长率分别为3.39 +/- 0.09MPa和400.38 +/-14.26％，愈合效率在80℃下愈合12小时后可以获得95％，并且可以愈合 多次。 随着易于制造和优异的性能，来自DLP 3D印刷的聚氨酯弹性体具有柔性电子，软机器人和传感器的潜在应用。

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  • 来源
    《ACS Macro Letters》 |2019年第11期|共6页
  • 作者

    Li Xinpan; Yu Ran; He Yangyang; Zhang Ying; Yang Xin; Zhao Xiaojuan; Huang Wei;

  • 作者单位

    Chinese Acad Sci Inst Chem Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing 100190 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 有机化学;
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