Stretchable and tough hydrogels have drawn a lot of attention recently. Due to their unique properties, they have great potential in the application in areas such as mechanical sensing, wound healing, and drug delivery. In this review, we will summarize recent developments of stretchable and tough hydrogels in these areas.
Keywords: chemical crosslinking; drug delivery; highly stretchable; hydrogel; physical crosslinking; polyacrylamide; sensor; tough; wound healing.