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通过氧抑制控制推进断层体积印刷:提高精度和大容量能力.

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概括

本研究介绍了一种化学策略,以克服氧气抑制在断层体积增材制造 (TVAM) 3D打印中. N-甲基二甲胺 (MDEA) 通过维持聚合而不会影响光线透,使大容量,高分辨率的打印成为可能.

关键词:
(甲) 酸盐光聚合的方法大批量印刷的大批量印刷氧气抑制抑制氧气的抑制印刷品的保真度 印刷品的保真度 印刷品的保真度断层扫描体积学增材制造制造

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科学领域:

  • 添加剂制造 添加剂制造 添加剂制造
  • 聚合物化学 聚合物化学
  • 光聚合的光聚合方式.

背景情况:

  • 断层体积增材制造 (TVAM) 提供复杂结构的快速3D打印.
  • 氧的抑制和光电复合物中有限的光透限制了TVAM的印刷尺寸和质量.
  • 由于这些局限性,当前的TVAM方法在可扩展性方面扎.

研究的目的:

  • 开发一种化学策略,以减轻TVAM中氧气抑制.
  • 为了在 (甲烯酸) 基系统中实现高分辨率和大容量打印.
  • 为了克服光启动器度和光透的局限性.

主要方法:

  • 研究了氨酸,硫醇和氨酸添加剂来控制氧气抑制.
  • 确定了N-甲基二甲胺 (MDEA) 作为一个有前途的添加剂.
  • 将MDEA纳入用于TVAM的低光启动器 (PI) 光纤.

主要成果:

  • MDEA有效地再生了扩散的基因,维持了聚合.
  • 实现了高分辨率打印,表面偏差0.175毫米.
  • 实现了高达60毫米的大量打印,打印量增加了16倍.
  • 证明了多个复杂零件的高通量制造.

结论:

  • 这种化学策略有效地克服了 (甲基烯酸TVAM) 中的氧气抑制.
  • MDEA可以实现可扩展,高容量,高分辨率的增材制造.
  • 这种方法为先进的3D打印应用打开了新的可能性.