We present a robust and adhesive hydrogel system by photopolymerizing poly (ethylene glycol) PEG-diacrylate based polymers in the presence of charged silicate nanoplatelets (Laponite). PEG-diacrylate containing polymers and silicate are used for covalent and physical cross-linking thus providing the hydrogel with mechanical and adhesive strengths. The resulting materials can be extensively elongated and readily adhere to hard and soft surfaces even in the elongated state. These tough and adhesive can be used for bonding rubber, metal, glass and plastic, for constructing optical assemblies, developing microfluidic and separation devices, tissue sealants, and for manufacturing disposable devices, among several other applications.

Squishy, tough, and sticky hydrogel adhesive

246th National Meeting (2013)

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