光响应多功能自修复涂层的研究进展

刘建阳, 韩扬, 于美燕, 王巍

Recent Advances in Light-responsive Multifunctional Self-healing Coatings

LIU Jianyang, HAN Yang, YU Meiyan, WANG Wei

表1 不同修复机制的光热自修复涂层

Table 1 Summary of photothermal self-healing coatings with different repair mechanisms

Materials The triggering conditions Repair mechanism Self- healing efficiency Citation TiN-BTA@mSiO2NPs / epoxy resin Near-infrared stimulation Exogenous self-healing Trigger self-repair within 30 s [36] Fe3O4 @MBT/epoxy resin coating Near-infrared stimulation Exogenous self-healing Repair cracks from 80 μm to 5 μm within 30 s [37] PVB-Cu2O@TA/acrylic resin Near-infrared stimulation Exogenous self-healing Repair cracks within 100 s [30] Hydrogel reinforced by cellulose nanofibers doped with MXene Near-infrared stimulation Exogenous self-healing Repair cracks within 30 s [38] f-PDAPs coating Near-infrared stimulation Diels-Alder Repair efficiency of the coating reaches 93.1% [11] MXene /epoxy resin coating Near-infrared stimulation Diels-Alder Repair cracks within 30 s [46] PPy-PU Near-infrared stimulation S-S Restore 65% of its original tensile strength [47] Co9S8@Bi2S3-PU Near-infrared stimulation S-S After 5 cycles of cutting and healing, the self-healing efficiency is nearly 90% [48] Epoxy self-healing coating(EPCN) Heating Dynamic imine bond Cracks can be repaired in 8 minutes at 150 °C [49] BDO-BQDO-TPU Near-infrared stimulation X-H···Y Basic repair of cracks within 80 s [51] Coating prepared based on Zn2+- imidazole metal coordination bond Near-infrared stimulation Metal coordination bond The coating exhibits precise self-healing performance [50] Cu2O@Ag-PDMS Near-infrared stimulation Metal coordination bond The self-healing efficiency of the coating after 10 minutes can reach 97.8% [45] Epoxy coating with β-cyclodextrin/graphene complex Heating/Near-infrared stimulation Host-guest interaction The self-healing efficiency of the coating can reach 79.2% [52]