Journal
CHINESE JOURNAL OF POLYMER SCIENCE
Volume 39, Issue 1, Pages 14-34Publisher
SPRINGER
DOI: 10.1007/s10118-020-2474-y
Keywords
Surface-anchoring; Polymerization; Thin hydrogel film; Immobilization; Post-functionalization
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Funding
- Provincial Key Lab of Pulp and Paper Science and Technology and Joint International Research Lab of Lignocellulosic Functional Materials, Nanjing Forestry University
- National Nature Science Foundation of China [31730106, 31770623]
- NSERC Canada
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This review provides a comprehensive overview of strategies for surface tethering of hydrogel layers via crosslinking immobilization of pre-fabricated functional polymers. The principles of hydrogel tethering are explained in detail with representative examples, along with discussions on potential applications of the modified substrates in specific cases.
Surface design and engineering is a critical tool to improve the interaction of materials with their surroundings. Immobilization of soft hydrogels is one of the attractive strategies to achieve surface modification. The goal of this review is to provide a comprehensive overview of the different strategies used for surface tethering of hydrogel layersviacrosslinking immobilization of pre-fabricated functional polymers. In this strategy, crosslinkable polymers are first preparedviavarious polymerization techniques or post-functionalization of polymers. Afterwards, the crosslinkable polymers are attached or tethered on the surfaces of substrates using a variety of approaches including photo-crosslinking, click reactions, reversible linkages, etc. For each case, the principles of hydrogel tethering have been explained in detail with representative examples. Moreover, the potential applications of the as-modified substrates in specific cases have also been addressed and overviewed.
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