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Covalent Adaptable Polymer Networks: Revisiting Old Chemistry

Editor£ºgroup5  Date£º2017-03-27 02:54:43   Hits:1729

     Polymer scientists have long recognized the existence of dynamic covalent bonds introduced by the vulcanization process of commercial rubbers more than half a century ago. The consequent, and most likely undesired, stress relaxation and creep of the polymer network was not taken as an advantage until the surge of interest in self-healing polymer decades ago. Since then diversely stimulated dynamic bonds have been rediscovered and implemented into the polymer to realize healing behavior under various circumstances. However, the plasticity of the polymer network, in more general sense, was proposed quite recently, from the perspective of network reprocessing and shape reconfiguration. On a recently published progress report titled Dynamic Covalent Polymer Networks: from Old Chemistry to Modern Day Innovations on Advanced Materials£¨doi:10.1002/adma.201606100£©, we reviewed such a brief history of the research of dynamic covalent bonds and modern technological innovations based on such dynamic properties, especially Thermoadapt Shape Memory Networks that our group has first proposed.