期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 61, 期 27, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202203876
关键词
Amine-Thiol-Bromo Conjugation; Hydrogen Bonds; Self-Assembly; Supramolecular Polymeric Adhesives
资金
- National Natural Science Foundation of China [52173253, 21801085]
- DFG [RTG/GRK 2670, 43649874]
This study developed a new type of high-performance adhesive using a synthetic strategy and hydrogen bonding interactions, which has a wide range of industrial applications.
High-performance adhesives are of great interest in view of industrial demand. We herein identify a straightforward synthetic strategy towards universal hydrogen-bonded (H-bonded) polymeric adhesives, using a side-chain barbiturate (Ba) and Hamilton wedge (HW) functionalized copolymer. Starting from a rubbery copolymer containing thiolactone derivatives, Ba and HW moieties are tethered as pendant groups via an efficient one-pot two-step amine-thiol-bromo conjugation. Hetero-complementary Ba/HW interactions thus yield H-bonded supramolecular polymeric networks. In addition to an enhanced polymeric network integrity induced by specific Ba/HW association, the presence of individual Ba or HW moieties enables strong binding to a range of substrates, outstanding compared to commercial glues and reported adhesives.
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