Efficient, flexible and self-healing electromagnetic interference (EMI) shielding materials are highly desirable and valuable for electromagnetic shielding industry. Furthermore, in order to achieve a commercial-grade EMI shielding effectiveness, a large amount of filler is required. Here, a kind of self-healing EMI shielding fabric was fabricated by preparing aligned carbon nanotube-poly (2-hydroxyethyl methacrylate) (CNT-PHEMA) non-woven fabric through magnetic-field-assisted electrospinning and cross-stacking aligned fabric layers. The unique aligned CNT stacking and porous structure enable that the materials can effectively absorbing EMI even at very low CNT loading amount (0.17 wt%). The host-guest interaction between β-cyclodextrin (β-CD) and adamantane (Ad) moieties not only made the fabric can adhere together automatically but also self-heal the scratch under 100% humidity environment. After the healing, the EMI shielding property can be restored 90.86 ± 3.90%.

附文章链接：https://www.sciencedirect.com/science/article/pii/S0008622320301809