期刊
ACS APPLIED MATERIALS & INTERFACES
卷 12, 期 8, 页码 9833-9841出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b22613
关键词
triple-shape memory; solid-state plasticity; recyclability; self-healing; dynamic bond
资金
- National Key Research and Development Program of China [2016YFB1100800]
- Foundation of Shenzhen Scientific and Technical Innovation Free Exploration Project [JCYJ2017081810011531]
- National Natural Science Foundation of China [51733008]
Fabricating a single polymer network with a combination of a multi-shape memory effect (multiple-SME), solid-state plasticity, recyclability and self-healing behavior remains a challenge. We designed imine bond and ionic hydrogen bond dual cross-linked polybutadiene (PB) networks. The resulting PB networks showed a triple-shape memory effect, where imine bonds could be used to fix the permanent shape and ionic hydrogen bonds and glass transition acted as the transition segments for fixing/releasing the temporary shapes. Additionally, the dual dynamic bonds offered PB networks outstanding solid-state plasticity, recyclability and self-healing behavior. This strategy provides some insights for preparing shape memory polymers integrating multiple-SME and multi-functionality.
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