期刊
MACROMOLECULAR CHEMISTRY AND PHYSICS
卷 222, 期 14, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/macp.202100116
关键词
hydrogen bonding ureidopyrimidinone; poly(siloxane-urethane); reprocessable materials; supramolecules
资金
- National Natural Science Foundation of China [21901144, 21774070]
- Shandong Provincial Natural Science Foundation, China [ZR2020QB021]
- Fundamental Research Funds of Shandong University [2018TB035, 2019GN067]
- Young Scholars Program of Shandong University
- Foundation of Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, P. R. China
By introducing quadruple hydrogen bond motifs into the main chain of polysiloxane, researchers have created a new type of supramolecular silicone elastomers, allowing for better control of polymer network structure. These materials exhibit elastomeric properties and robust reprocessability, and can potentially be further developed into europium-coordinated elastomers with interesting water-responsive luminescence, expanding the scope and application of silicone-based sustainable materials.
Supramolecular silicone materials are promising candidates toward sustainable and recyclable applications. Herein, quadruple hydrogen bond motifs are introduced into the main chain of polysiloxane for the first time, providing a new type of supramolecular silicone elastomers. This structural design enables the well-defined spacing length between ureidopyrimidinone (UPY) units, exercising better control over polymer network structure. The obtained materials exhibit elastomeric properties and robust reprocessability, and can be further developed into europium (Eu)-coordinated elastomers with interesting water-responsive luminescence. It is highly anticipated that this work will broaden the scope and application of silicone-based sustainable materials.
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