Research Progress of Hydrogels Crosslinked by Borate Ester Bonds
Borate ester bond is a special type of dynamic covalent bond that can undergo bonding within seconds at room temperature,with faster reaction rate than most dynamic covalent bonds,and has significant self-healing ability.Using appropriate physical or chemical cross-linking strategy to design hydrogels based on borate ester bonds can give materials excellent physicochemical properties.In this paper,the hydrogels with excellent biocompatibility prepared by polysaccharide like cellulose and polyhydroxy polymers like polyvinyl alcohol based on borate ester bonds in recent years were summarized,and the outstanding properties were introduced.The research progress in the biomedical field and flexible electronic devices were reviewed,which provided an idea for achieving multi-functional applications of hydrogels.
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