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A research team at the University of Illinois developed a “dynamic polyurea†that has accelerated the widespread use of flexible self-healing paints and other coatings. Scientists use existing materials to create this kind of polymer. When it is cut in half, there is no need to add extra catalysts or other chemicals. It can also be automatically integrated into one before it is cut off.
Vital polyurea is made using a proprietary mixture of inexpensive compounds, including polyurea elastomers. Polyurea is a substance that can be found in common products such as paints and plastics. Scientists only "twist" its molecular structure and make the connection between them longer. The result of this is that the molecules are easier to separate from each other. On the contrary, they are also easier to connect back.
The active polyurea is cut off and the cut ends are only contacted, and then they will automatically heal into one without any treatment for a day. The healing material still has almost the same strength as before cutting. The healing process takes place at room temperature. And when the temperature is raised to 37 degrees, the cut-off viable polyurea will speed up healing.
Since it uses only its own molecular structure for the healing process, the number of healing times of the active polyurea can be circulated numerous times. At present, the paper on this material has been published on Nature Communications, and interested front-line friends can go to see.
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