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多材料数字光处理 具有不同放松动态的材料的三维打印

Roman Korotkov1, Milena Gleirscher1, Sandra Schlögl1

  • 1Polymer Competence Center Leoben GmbH, Sauraugasse 1, Leoben 8700, Austria.

ACS applied polymer materials
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PubMed
概括

协价适应网络 (CAN) 呈现可调节的应力放松动力学,受动态交换反应的影响. 这项研究量化了Arrhenius行为和在乙烯CAN中的扩散之间的相互作用,使新的传感器应用成为可能.

关键词:
在DLP3D打印中使用3D打印.共价适应性网络适应性网络.建模 建模模型 建模模型多种材料的多种材料.压力放松放松 压力放松

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科学领域:

  • 聚合物科学 聚合物科学
  • 材料科学 材料科学 材料科学
  • 化学工程是化学工程的重要组成部分.

背景情况:

  • 共价适应性网络 (CAN) 是具有可调节性质的动态聚合物网络.
  • 动态交换反应使CANs具有可性,可性和可回收性.
  • 交换反应的动力学受到动态链路度和扩散的影响.

研究的目的:

  • 研究可光固化乙烯CANs中的交换动态.
  • 量化Arrhenius行为和Rouse扩散对压力放松的贡献.
  • 探索这些材料作为温度-时间传感器的潜力.

主要方法:

  • 在乙烯CANs中研究了醇-乙烯交换机制.
  • 使用双多材料DLP3D打印来创建各种材料.
  • 评估了爬行性能和压力放松动力学.

主要成果:

  • 通过改变动态链路度来证明可调节的应力放松动力学.
  • 确定了Arrhenius类行为和扩散控制过程之间的相互作用.
  • 成功制造出具有明显机械反应的多材料样本.

结论:

  • 乙烯CAN通过受控的动态交换提供可调整的机械性能.
  • 了解动力和扩散因子之间的平衡对于材料设计至关重要.
  • 多材料CAN可以通过热印记作为有效的热时间传感器发挥作用.