New Glass-Like Polymer with Selfie Healing Prowess Discovered

New Glass-Like Polymer with Selfie Healing Prowess Discovered

Such self-repair is much more common in soft, rubbery materials, so it was a surprise to see this property in a hard polymer glass. Luckily, we are making advancements in phone screen technology to prevent the breaking from occurring in the first place as well as now a much more possible solution, self-regenerative phone screens. Recently, scientists from the University of Tokyo has published a study on a new polymer for self-repairing smartphone screens.

Graduate school student Yu Yanagisawa discovered observed how cut edges of the polymer would stick together, despite their "rigid and non-tacky nature", he and his team wrote in journal Science.

The new glass is "highly robust mechanically yet can readily be repaired by compression at fractured surfaces", the authors noted. This might turn out to be a huge discovery, as it could forever change the way we fix broken displays, especially for expensive devices like the iPhone X and some of the newest Android flagships out there. This lack of conduction was why the "self-healing" materials on the LG G Flex 2 were only used for the case rather than the screen.

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Holding the fractured pieces together for just 30 seconds at 21 degrees celcius was enough to form a merged sheet capable of withstanding 300g in weight, the team found, and it returned to its original strength within a couple of hours, they found.

Yanagisawa said repeated the test several times, not fully believing what he had stumbled upon. "In most cases, heating to high temperatures, on the order of 120 degrees Celsius or more, to reorganize their cross-linked networks is necessary for the fractured portions to fix". What is better still is that the sheets would regain their strength after just a couple of hours.

Late last week NHK reported that a research group at the University of Tokyo discovered an interesting new glass material that can be repaired with a little pressure applied, even at room temperature.

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