US team develops self-healing 3D printed rubber

Los Angeles, California – Researchers at the University of Southern California (USC) Viterbi School of Engineering have developed a rubber material that can be 3D-printed into self-repairing products, USC reported 5 Feb.

The manufacturing process involves photopolymerisation reactions with thiol groups, which are also oxidised into disulfides groups that reform – or self-heal – when broken.

The research team was led by assistant professor Qiming Wang, working with Viterbi students Kunhao Yu, An Xin, and Haixu Du, and University of Connecticut assistant professor Ying Li.

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