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1 修复时间对PU-DA力学性能的影响
Table 1 Effect of repair time on mechanical properties of PU-DA
SamplesOriginal sampleSamples repaired time/h
248
Tensile strength/MPa4.202.273.984.07
Elongation at break/%305.59225.14298.98305.16
Repair rate/%-54.0594.7696.90