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Flexible New “Superglue” Created in Quest for a Rapid, Efficient Bonding of Hydrogels

Posted By ASC, Tuesday, July 18, 2017

Hydrogels are increasingly being used in electronics manufacture, but this calls for adhesives that can from strong bonds that can flex with the hydrogel. In a quest for a rapid, efficient way to bond hydrogels, researchers have achieved a flexible “superglue” by adding a non-solvent to a Cynoacrylate adhesive. The non-solvent allows the adhesive to disperse into the hydrogel forming a deeper bond instead of a superficial one.

 

The Cyanoacrylate component bonds when exposed to the moisture in the hydrogel while the nonsolvent prevents it from hardening and becoming brittle while allowing for the deeper bond. The research team has tested its innovation by creating an electronic skin that was able to communicate data to a smartphone.

 

They also tested the adhesive on artificial vertebrae made from hydrogel. These may be used in future to replace worn-out spine discs. Assembly was much quicker using the prototype adhesive. In addition, the research team believes that the new adhesive will be useful in soft robotics, allowing robotics experts to affix sensors to flexible surfaces.

 

Tags:  Industry News 

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