题 目：Using Dynamic Chemistry to Access Stimuli-Responsive Materials
报告人：Prof. Stuart J. Rowan; Case Western Reserve University, USA
地 点：丁家桥小蓝楼3楼会议室
时 间：2013年6月28日（星期五）上午10:00
EDUCATION and EXPERIENCE:
Abstract ：The dynamic bond can be defined as any class of bond that selectively undergoes reversible breaking and reformation, usually under equilibrium conditions. The incorporation of dynamic bonds (which can be either covalent or non-covalent) allows access to structurally
dynamic polymers. Such polymers can exhibit macroscopic responses upon exposure to an environmental stimulus, on account of a rearrangement of the polymeric architecture. In such systems the nature of the dynamic bond not only dictates which stimulus the material will be responsive to but also plays a role in the response itself. Thus such a design concept represents a molecular level approach to the development of new stimuli-responsive materials. Prof. Rowan has been interested in the potential of such systems to access new material platforms and have developed a range of new mechanically stable, supramolecular structurally dynamic polymer films that change their
properties in response to a given stimulus, such as temperature, light or specific chemicals. Such supramolecular materials have been targeted toward applications that include healable plastics, responsive liquid crystalline polymers, chemical sensors, thermally responsive hydrogels, shape memory materials and mechanically dynamic biomedical implants.
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江苏省生物材料与器件重点实验室
