兼具高强度、高韧性和自修复性能的环氧树脂改性热可逆聚氨酯

叶姣凤, 王飞, 左洋, 张钧翔, 罗晓晓, 冯利邦

Epoxy Resin-modified Thermo-reversible Polyurethane with High Strength, Toughness, and Self-healing Performance

YE Jiaofeng, WANG Fei, ZUO Yang, ZHANG Junxiang, LUO Xiaoxiao, FENG Libang

图2 E51添加量不同的PU-DA-E51的应力-应变曲线以及E51添加量对PU-DA-E51拉伸强度、冲击韧性和邵氏硬度的影响

Fig.2 Representative stress-strain curves (a) and effects of content of E51 on tensile strength (b), impact toughness (c), and Shore hardness (d) of PU-DA-E51