Dynamic Bonds Facilitate the Microstructural Adaptation of Polyurethane to Attain Ultrahigh Fracture Energy

Dynamic Bonds Facilitate the Microstructural Adaptation of Polyurethane to Attain Ultrahigh Fracture Energy

High fracture energy is crucial for engineering polymers, as it enhances safety, durability, and performance. However, the high-strength polymers commonly demanded in the engineering field often exhibit low fracture energy due to limited viscoelastic dissipation. Here, we developed a strategy for fa...

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Bibliographic Details
Main Author: Hangyu Shen (9753233) (author)
Other Authors: Jing Yang (13969) (author), Junhui Gong (11170008) (author), Kai Zhou (125548) (author), Pengrui Cao (11655188) (author), Jianfeng Xie (539475) (author), Xinrui Zhang (1915648) (author), Rui Yang (293531) (author), Tingmei Wang (436623) (author), Xianqiang Pei (14651155) (author), Qihua Wang (1758721) (author), Yaoming Zhang (1781065) (author)
Published: 2025
Subjects:
Biophysics
Biochemistry
Pharmacology
Ecology
Sociology
Developmental Biology
Hematology
Chemical Sciences not elsewhere classified
Physical Sciences not elsewhere classified
limited viscoelastic dissipation
inhibit crack propagation
process dissipates energy
dynamic bonds facilitate
contains rigid biphenyl
chain extenders facilitates
multiple hydrogen bonds
hard domains helps
enabling microstructural adaptation
4 ′- biphenol
high fracture energy
hydrogen bonds
fracture energy
microstructural adaptation
hard domains
two extenders
contains hydrazine
work provides
thereby enhancing
synergistic effect
reversible reconfiguration
obtained mpu
isophthalic dihydrazide
high strength
enhances safety
bearing capacity
7 kj
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