Spain developed the first self-healing plastic
For more than 20 years, the T-1000 robot, which automatically closes wounds after being wounded or shot in the movie Terminator 2, has always been impressive. According to the British "Daily Mail" online version of the September 16 (Beijing time) report, the Spanish scientists claimed to have developed the world's first self-healing polymer, can be spontaneously rebuilt, known as the real version " Terminator." One of its most practical applications is to significantly extend the service life of automobiles, houses, biomaterials, and electrical components and improve safety.
The new "self-healing thermosetting elastomer" was developed by scientists at the Electrochemical Technology Center in San Sebastian, Spain. Previously, the self-healing silicone elastomers developed by scientists required the use of silver nanoparticles as a cross-linking agent, which was very expensive and applied external forces during the process. Now they are using very common polymerization starting materials and simple and cheap methods to develop. The newly produced polymer is the first material that can spontaneously and independently heal without the use of catalysts and without intervention.
In the experiment, the researchers cut off a piece of sample material and then pushed it back together. In two hours, 97% of the sample had already reported "healing" - seemingly completely fused and stretched by hand to both ends. It is still firm. The center scientists Aletz Rikongdo, Robert Martin and others said that the breakthrough point of the new material is to exhibit a quantitative self-healing efficiency at room temperature without the need to apply any heat such as heat or light. Intervention.
The researchers also pointed out that the material can significantly increase the lifespan and safety of plastic components in any household appliance. In view of the application of polyureaurethane polymers in some commercial products, this new material will be very practical and rapid in industrial systems.
The new material is now known as the "Terminator" by Spanish researchers because the polymer behaves as if it is "live, it always heals itself," and is very similar to the idea of ​​a robot debuting in the movie "Terminator 2". . In this movie, there is a very famous T-1000 liquid metal killing machine in the future. It consists of reversible memory materials. The whole body can be deformed freely. After being destroyed, it can be restored on the spot, lost, and can be recreated. The characteristics have always made sci-fi enthusiasts talk. (Reporter Zhang Mengran)
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