Controlling Properties and Functions of Polymer Gels Using Photochemical Reactions

被引:8
作者
Cao, Jingning [1 ]
Zhang, Dachuan [1 ]
Zhou, Yang [1 ]
Zhang, Qijin [1 ]
Wu, Si [1 ]
机构
[1] Univ Sci & Technol China, Dept Polymer Sci & Engn, Anhui Key Lab Optoelect Sci & Technol, Hefei Natl Lab Phys Sci Microscale,CAS Key Lab So, Hefei 230026, Peoples R China
基金
中国国家自然科学基金;
关键词
extracellular matrices; gels; healing; photoresponsive; polymers; NEAR-INFRARED-LIGHT; DRUG-DELIVERY; HYDROGELS; CLICK; CHEMISTRY; TISSUE; STRATEGIES; COMPLEXES; ACTUATORS; NETWORKS;
D O I
10.1002/marc.202100703
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Photoresponsive polymer gels have attracted increasing interest owing to their potential applications in healable materials, drug release systems, and extracellular matrices. Because polymer gels provide suitable environments for photochemical reactions, their properties and functions can be controlled with light with a high spatiotemporal resolution. Herein, the design of photoresponsive polymer gels based on different types of photochemical reactions is introduced. The mechanism and applications of irreversible photoreactions, such as photoinduced free-radical polymerization, photoinduced click reactions, and photolysis, as well as reversible photoreactions such as photoinduced reversible cycloadditions, reversible photosubstitution of metal complexes, and photoinduced metathesis are reviewed. The remaining challenges of photoresponsive polymer gels are also discussed.
引用
收藏
页数:12
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