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  • Off-the-shelf materials lead to self-healing polymers

    A close-up of an elastic polymer that was cut in two and healed overnight.

    A close-up of an elastic polymer that was cut in two and healed overnight.

    Photo by Anne Lukeman

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  • To contact Jianjun Cheng, call 217-244-3924; email jianjunc@illinois.edu. The paper, “Dynamic Urea Bond for the Design of Reversible and Self-healing Polymers,” is available online.