An aniline trimer derivative possessing multiple furan groups (TFAT) is prepared and used as a building unit for preparation of self-healing anticorrosion coatings. The aniline trimer unit brings electrochemical activity to TFAT, and the tertiary amine and glycidylether groups provide TFAT excellent adhesive ability. Both features contribute to the high performance of anticorrosion property of crosslinked TFAT coatings on cold-rolled steel (CRS). An ultralow corrosion rate of 0.12 μm y⁻¹ and a high impedance at low frequency (Z₀) of 9.2 × 10⁵ Ω cm⁻² have been recorded with the coatings, both demonstrate hundreds times enhancements of the anticorrosion properties compared to the CRS samples coated with crosslinked aniline trimer (corrosion rate: 71 μm y⁻¹; Z₀: 1240 Ω cm⁻²). Moreover, as possessing furan groups, TFAT is a suitable agent to react with multifunctional maleimide compounds for formation of thermally-reversible crosslinked networks through Diels-Alder reaction. Consequently, TFAT-based self-healing anticorrosion coatings are obtained. In a cycle test, the TFAT-based reversible crosslinked coating demonstrates a high self-healing efficiency of anticorrosion with a recovery of protection efficiency from 79.8% to 99.2%, corresponding to a 99.3% of protection efficiency based recovery. A new material showing high anticorrosion and self-healing efficiency for self-healing anticorrosion coatings has been demonstrated.

制备具有多个呋喃基团（TFAT）的苯胺三聚体衍生物，并将其用作制备自修复防腐涂料的基础单元。苯胺三聚体单元为TFAT带来了电化学活性，叔胺和缩水甘油醚基团为TFAT提供了出色的粘合能力。这两个特征都有助于在冷轧钢（CRS）上交联的TFAT涂层具有很高的防腐性能。0.12微米Y的超低腐蚀速率^-1和在低频的高阻抗（Z ₀）的9.2×10 ⁵  Ω厘米^-2涂层已记录下来，与涂有交联苯胺三聚体的CRS样品相比，两者均显示出数百倍的抗腐蚀性能增强（腐蚀速率：71μmy ^-1； Z ₀：1240Ωcm ^-2）。此外，由于具有呋喃基团，TFAT是与多功能马来酰亚胺化合物反应以通过Diels-Alder反应形成热可逆交联网络的合适试剂。因此，获得了基于TFAT的自修复防腐涂层。在循环测试中，基于TFAT的可逆交联涂层表现出很高的防腐自修复效率，保护效率从79.8％恢复到99.2％，相当于基于保护效率的99.3％。已经证明了一种新型材料，该材料对自修复防腐涂料具有很高的防腐和自修复效率。