附加制造的聚合物复合材料具有高取物含量和吸收能力
Santosh Adhikari1, Douglas J Safarik2, John R Stockdale1
1C-CDE: Chemical Diagnostics and Engineering Group, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States.
ACS omega
|April 8, 2024
概括
新的复合树脂有效捕获不需要的气. 增材制造使得高度的1,4-bis[phenylethynyl] (DEB) 和碳上的 (Pd/C) 能够用于先进的获取器.
科学领域:
- 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.
- 纳米技术纳米技术
背景情况:
- 气的积累在密封系统中带来了挑战.
- 1,4-bis[phenylethynyl] (DEB) 与碳 (Pd/C) 上的是有效的获取物.
- 将获取器集成到功能性材料中需要先进的配方和制造.
研究的目的:
- 为了配制一种基于的复合树脂,将DEB-Pd/C作为一个活性获物质.
- 为了研究这些具有高getter负载的基特复合材料的增材制造.
- 为了评估3D打印的获取器材料的吸收能力.
主要方法:
- 聚合物复合树脂的配方,含有不同的DEB-Pd/C含量 (高达50%重量%).
- 核磁共振 (NMR) 和差分扫描热量计 (DSC) 用于评估材料的兼容性.
- 风病学研究,以确定增材制造的可打印性参数.
- 获得器复合材料样本的3D打印.
- 在750mTorr纯的吸收能力测试.
主要成果:
- 聚合物和DEB在升高的固化温度 (75°C) 上没有反应.
- 可打印复合树脂成功地制定和表征.
- 3D打印的getter复合材料具有50%的DEB-Pd/C,实现了83%的正常化DEB转换.
- 这种50%重量聚合物的吸能力为每克复合物的100.2毫升H2.
结论:
- -DEB-Pd/C复合树脂适用于增材制造的获取器.
- 在不损害材料完整性或性能的情况下,可以实现高获取器负载.
- 开发的3D打印材料显示出在密封系统中减轻气的巨大潜力.
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