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The United States has developed super waterproof materials that can make water droplets rebound

  • Categories:Industry News
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  • Time of issue:2017-03-27 15:23
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(Summary description)Any object, whether it is gadgets or shoes, can be waterproofed by putting on a "raincoat" on them.

The United States has developed super waterproof materials that can make water droplets rebound

(Summary description)Any object, whether it is gadgets or shoes, can be waterproofed by putting on a "raincoat" on them.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2017-03-27 15:23
  • Views:
Information

Any object, whether it is gadgets or shoes, can be waterproofed by putting on a "raincoat" on them. But the raincoat is always taken off, and these items will eventually risk getting wet. Don't worry now, engineers have recently developed a super waterproof material that can not only permanently waterproof, but also rebound water. As long as a small structure is added to the surface of any object, the purpose of waterproofing can be achieved. Researchers say this technology may be applied to ships or airplanes in the future.

This technology was developed by Julie Crockett, a professor of mechanical engineering at Brigham Young University in Utah, and his colleague Dan Maynes. Crockett said, "To make super waterproof materials, you can't just make a waterproof cover or waterproof wax, you have to add some structure. In nature, the lotus leaf is very good, so we continue to imitate the lotus in the laboratory. Ye." There are many forms of super waterproof surface. In her laboratory, they used a bone cavity structure, which can also be made into a base structure. The water droplets sit on it like a ball.

When the water droplets fall on the super waterproof surface of Professor Crockett, it spreads out like ordinary water droplets. But unlike ordinary water droplets, this waterproof surface allows the scattered water droplets to come together again until they bounce off the surface. Crockett explained that the gravitational force between water molecules is greater than the gravitational force between water molecules and the material, so they gather back to their original state before they pass through the material.

"Traditional waterproof materials use paint to protect the surface, and what we want to do is a super waterproof surface, so we can't just pay attention to the water drops on the surface, we pay attention to the water flow on the surface."

This kind of waterproof surface can be used on solar panels to prevent it from getting dirty and make it self-cleaning, or it can be used in bathrooms, water pipes, toilets and other places to prevent water droplets from splashing. It can also be used in the field of biomedicine, such as syringes for infusion of patients or the inner surface of some pipes, as well as hulls, torpedoes, submarines, etc., and can also prevent the wings from freezing in cold or humid environments.

Looking further ahead, this material can also be used as a cleaning agent or to make energy more efficient. “Almost every power station in the country burns coal or natural gas to generate steam to drive the turbine to rotate to generate electricity. If the condenser of the power plant can be made with an ideal super waterproof surface, the speed will be significantly increased, which saves time and reduces Expenses optimize the role of energy. Once the liquid hits the condenser, it will be bounced away, so you can cool a lot of gas at a very, very fast and efficient rate."

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