将回收热集成到重建的多孔支架中,使用Pickering泡墨水直接写作
Zekun Sun1, Yuanjun Xie1, Shukai Sun1
1College of Materials, MOE Key Laboratory of High-Performance Ceramic Fibers, Fujian Key Laboratory of Advanced Materials, Xiamen University, Xiamen, P. R. China.
Macromolecular rapid communications
|December 21, 2025
概括
本研究提出了一种绿色策略,用于使用3D打印和皮克林泡墨水物理回收聚氨 (PU). 这种方法从回收的PU中创建了坚固的,分层的多孔结构,为热固态回收增加了价值.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续化学 可持续化学
- 聚合物科学 聚合物科学
背景情况:
- 提高聚氨 (PU) 等热的可回收性对于可持续创新至关重要.
- 物理回收比化学回收提供了可扩展性和能源效率,但由于结构控制不佳,通常会产生有限的附加值.
- 现有的PU物理回收方法难以施加结构调节,阻碍了高价值材料的创造.
研究的目的:
- 通过将回收的PU颗粒纳入用于3D打印的Pickering泡墨水中,证明物理回收聚氨 (PU) 的可行性.
- 开发一种可持续的方法,用于制造具有控制的层次性多孔结构和增强性质的复合热材料.
- 建立一个绿色战略,通过先进的制造技术为回收热增加价值.
主要方法:
- 开发一种水性PU和水性CaCO3纳米粒子基的皮克林泡墨水.
- 通过将回收的PU颗粒纳入Pickering泡中,制造一种剪切稀释油墨.
- 在环境条件下3D打印复制的PU复合泡.
- 3D打印脚手架的多孔结构和机械性能的特征.
主要成果:
- 成功制定了一种稳定的皮克林泡墨水,适用于直接墨水写作.
- 使用回收的PU粒子创建3D打印的PU支架,具有层次性的多孔结构.
- 证明皮克林泡和DIW方法能够在回收热中实现结构调节.
- 与传统回收的PU相比,复合复合泡具有强度和附加值.
结论:
- 聚氨 (PU) 的物理回收利用可通过使用皮克林泡油墨进行3D打印,从而实现结构控制.
- 这种绿色战略成功地将回收热合并为复合复合泡,具有层次性的多孔结构和强度.
- 皮克林泡和直接墨水写作方法为热的可持续物理回收提供了一个有希望的,增值的途径.
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