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多功能自修复和自报告聚合物复合材料与集成导电微丝网络。

Multifunctional self-healing and self-reporting polymer composite with integrated conductive microwire networks.

机构信息

Rheem Manufacturing Company , 2600 Gunter Park Drive East, Montgomery, Alabama 36109, United States.

出版信息

ACS Appl Mater Interfaces. 2012 Jul 25;4(7):3759-64. doi: 10.1021/am3009746. Epub 2012 Jul 16.

DOI:10.1021/am3009746
PMID:22747085
Abstract

Electrically reported self-healing polymers are designed by mimicking skins of animal, and made by embedding an ordered network of glass microtubes inside polymer matrices. The microtubes contain metallic microwires, and mixtures of healing agent and conductive carbon powders. Cracks on the surface due to external forces or inside the polymer due to dislocation motions break glass microtubes, release healing agent with carbon powders. The percolations of electrons through released carbon powders to coordinately align conductive microwires report the locations of damages and healing events.

摘要

电报告警自修复聚合物通过模拟动物皮肤而设计，通过将玻璃微管的有序网络嵌入聚合物基质中而制成。微管中含有金属微丝以及愈合剂和导电碳粉的混合物。由于外力导致的表面裂纹或由于位错运动导致的聚合物内部裂纹会使玻璃微管破裂，释放出含有碳粉的愈合剂。通过释放的碳粉进行电子渗流，以协调方式排列导电微丝，报告损伤和修复事件的位置。

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