Triply crosslinked hydrogel withstands weight of a car

Close up of car tyre tread on the road on a bright day

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Hydrogel with three types of physical crosslinks shows remarkable self-recovery properties

Scientists in China have synthesised a hydrogel with three types of crosslinks: hydrogen bonds, crystalline regions and hydrophobic interactions. The hydrogel has high strength, high compressibility and impressive self-healing abilities.