SCIENCE

The Secret to Keeping Surfaces Clean and Ice-Free

Sat Apr 19 2025
A new material has been created that could change how we keep surfaces clean and free from ice. This material is made by combining a spongy substance with tiny particles that have been treated with a special chemical. The result is a surface that can hold onto a slippery liquid, making it very hard for dirt, water, or ice to stick to it. The key to this material's success is its ability to store and lock in the slippery liquid. This liquid helps to repel water and other liquids, making the surface highly resistant to fouling. Tests have shown that the material has a very low water contact angle, meaning water just rolls right off. It also has a low oil contact angle, showing it can repel oils as well. But the benefits don't stop at water and oil. This material also performs exceptionally well in cold conditions. It takes a long time to freeze, and even when it does, ice doesn't stick to it very well. This could be a game-changer for places that deal with a lot of ice, like airplanes or power lines. The material has also been put through various tests to check its durability. It has been exposed to high temperatures, harsh chemicals, and physical stress. After all these tests, it still performs well, showing that it can last a long time even in tough conditions. The secret to its long-lasting performance is the many tiny pores in the material. These pores provide plenty of space to hold onto the slippery liquid, keeping the surface clean and slippery for a long time. This new material could be a big step forward in creating surfaces that stay clean and ice-free for a long time. It could be used in many different places, from kitchen counters to outdoor structures, making our lives a little bit easier and safer.

questions

    If this coating is so slippery, how do you keep your coffee mug from sliding off the table?
    What happens if you try to ice skate on a surface coated with POTS-MSNs@PVDF@PFPE?
    How do the long-term effects of PFPE on the environment compare to traditional antifouling agents?

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