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Environmental Technology

Thermally Repairable Composite

Composite materials that are subject to vibration and stress form small fractures and eventually fail irreversibly at the interface of the polymer matrix and the reinforcing fiber. The US Army and Drexel University have developed a solution to this problem by incorporating reversible bonds into polymer networks. The technology combines a furan-functionalized thermoset matrix and a maleimide-functionalized glass fiber.

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