基于热可逆Diels-Alder动态共价键PU-DA体系的制备和性能
万里鹰, 肖洋, 张伦亮

Preparation and Properties of PU-DA System Based on Thermoreversible Diels-Alder Dynamic Covalent Bond
WAN Liying, XIAO Yang, ZHANG Lunliang
表3 试样多次自修复下的拉伸测试和修复率
Table 3 Tensile test and repair rates under multiple self-healing of samples
Repair timesStress/MPaElongation at break/%η/%
Original4.20305.59-
1st3.98298.9894.8
2nd3.61291.0385.9
3rd3.02264.7471.9