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- Title
High-strength hydrogels: Fabrication, reinforcement mechanisms, and applications.
- Authors
Huang, Heyuan; Dong, Zhicheng; Ren, Xiaoyang; Jia, Ben; Li, Guowei; Zhou, Shaowen; Zhao, Xin; Wang, Wenzhi
- Abstract
With the continuous appearance and expansion of high-strength hydrogels in emerging fields such as industry, medicine, and green development, the synthesis and application of high-strength hydrogels have developed dramatically and achieved remarkable results from the aspects of raw materials, preparation methods, and reinforcement mechanisms. However, there is still a lack of systematic reviews on high-strength hydrogels. Herein, we first discuss the advantages of natural and synthetic materials, and the characteristics of high-strength hydrogels prepared from different raw materials; we then expound on the influence mechanism of physical interactions or chemical bonds on the strength of the hydrogel from three aspects: physical cross-linking, chemical cross-linking, and dynamic chemical cross-linking; at last, we systematically expound the strengthening strategies, including double network/multi-network, nanocomposite, topology, supramolecular polymerization, and characteristics and strengthening mechanisms of such high-strength hydrogels. In addition, based on the development status of high-strength hydrogels, we combined the application requirements and the existing drawbacks of high-strength hydrogels to propose their possible development directions in the future.
- Subjects
HYDROGELS; SUSTAINABLE development; SUPRAMOLECULAR polymers; CHEMICAL bonds; CROSSLINKING (Polymerization)
- Publication
Nano Research, 2023, Vol 16, Issue 2, p3475
- ISSN
1998-0124
- Publication type
Academic Journal
- DOI
10.1007/s12274-022-5129-1