Last Updated on July 18, 2026 by Staff
Scientists at the University of Tokyo have created a kind of glue that is really strong and flexible yet it can be completely removed with a simple wash of alcohol leaving no sticky residue behind. The new glue could change the way things are made in industries from electronics to cars by making it easier to repair, recycle and reuse products.
The research, published in the Journal of the American Chemical Society introduces a kind of adhesive called CyclicFP-fmoc. This glue is different from industrial glues because it bonds strongly to slippery materials like Teflon and it can be fully reused after it is removed.
Breaking the Trade-Off
For a time scientists have been trying to create a glue that is both strong and easy to remove. Strong glues are usually hard to remove. Can leave residue behind while glues that are easy to remove are not strong enough for many industrial applications.
The new glue solves this problem by being really strong and easy to remove at the time. The scientists who created it think it could be used in new ways like in products that need to be taken apart and put back together again.
Small Molecules, Big Strength
The new glue is made up of molecules that work together to create a strong bond. Normally small molecules do not create bonds but the scientists were able to design these molecules to work together in a way that makes them really strong.
They added fluorine atoms to the molecules, which helps them stick together tightly. This makes the glue strong and flexible. It can even bond to materials that are normally really hard to stick to.
Impressive Performance
The scientists tested the glue by bonding two Teflon plates and then trying to pull them apart. The glue was able to withstand a lot of force which shows that it is really strong.
They also tested the glue by attaching a weight to the bonded plates and it was able to hold the weight without coming apart. This is really impressive especially since Teflon is a material that’s normally really hard to stick to.
Easy Removal
One of the things about the new glue is that it is really easy to remove. All you need to do is wash it with alcohol. It comes right off. This is different from glues, which often require heat or harsh chemicals to remove.
The scientists were even able to reuse the glue times without it losing any of its strength. This makes it an attractive option for industries that want to reduce waste and make their products more sustainable.
Future Applications
The scientists think that the new glue could be used in different ways from making electronic devices to creating medical equipment. It could even be used in robotics and advanced manufacturing systems.
The glue could help make products more sustainable by allowing them to be easily taken apart and recycled. This could reduce waste. Make it easier for companies to reuse valuable materials.
Overall the new glue is an exciting discovery that could change the way many industries work. It is strong, flexible and easy to remove, making it a valuable tool for companies that want to make their products more sustainable. The University of Tokyo team’s discovery is a step towards creating a more sustainable future and it will be interesting to see how it is used in the years to come.