Scientists from the University of So. Mississippi created a new material that can be put on cars and when scratched, can heal itself. The technology consists of a polyurethane coating with added chitosan, a polymer in crab and shrimp shells. Then oxetane rings, with 3 atoms of carbon and one of oxygen, are added. The mixture is said to mimic the natural process of healing. Published in an issue of Science, Biswajit Ghosh and Marek Urban claim that this technique is simple and cost-efficient.
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