IHS Chemical Week

EnviroTech :: Innovation

Spanish researchers create self-mending elastomer

8:24 AM MDT | October 9, 2013 | Francinia Protti-Alvarez

Researchers at the Centre for Electrochemical Technologies (Cidetec, Donostia, Spain) have created a self-healing thermoset elastomer, the center announced. The polymer is based on a poly(urea-urethane) type composition, Cidetec says. A permanently cross-linked material, the elastomer is able to mend itself after being cut in half with a razor blade by simple contact at room-temperature. The system is based on the metathesis reaction of aromatic disulfides, which are known to exchange at room temperature, unlike their aliphatic counterparts, which require heat or...

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