NTU scientists inspired by snail mucus and gecko feet to create strong adhesive

The adhesive may bring us closer towards scaling walls like Spider-Man.

SINGAPORE - Taking inspiration from dried snail mucus and gecko feet, scientists in Singapore have developed a reusable adhesive that can adhere strongly to rough surfaces, unlike conventional adhesives.

To create the adhesive, the team of scientists used shape-memory polymers, a kind of smart material that can readily adhere to and be detached from a surface. As it cools to room temperature, the material stiffens into a “glassy” state, locking the adhesive onto the surface. Adhesives are weaker on rough surfaces, even though their bumps and ridges provide more surface area for molecules to adhere to.

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The Straits Times /  🏆 8. in SG

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