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Moving Solid Pieces of Polymers by Stimuli: towards Soft Robots
来源: 日期2019-07-05 10:46 点击:

报告题目:Moving Solid Pieces of Polymers by Stimuli: towards Soft Robots

报告时间:2019年7月9日,星期二,16:00

报告地点:仲英楼B253

报告 人:赵悦 教授

报告人简介:

Yue Zhao received his BSc in 1982from Chengdu University of Science and Technology, and his Ph.D. in 1987 fromthe École Supérieure de Physique et de Chimie Industrielles de Paris (ESPCI).After postdoctoral studies at the Université Laval, Canada,he joined the Chemistry Department of the Université de Sherbrooke in 1991 and has been a Full Professor since 2000. Zhao’s main research interests are the design, synthesis, study and exploitation for applications of self-assembled, nanostructured and stimuli-responsive polymers and liquid crystalline materials. He has published 215 papers in primary journals and edited a book on azobenzene-containing polymers and liquid crystals with Prof. Tomiki Ikeda. He was awarded the Changjiang Scholar Chair Professorship (at Sichuan University) by the Ministry of Education of China in 2007, the Macromolecular Science and Engineering Award of the Chemical Institute of Canada (CIC) in 2013, and elected CIC Fellow in 2014

报告摘要:

Some crosslinked polymers, such as liquid crystalline and semicrystalline polymers, can exhibit a reversible shape change when they undergo a phase transition between an ordered and disordered state. If the phase transition of such a polymer can be triggered by a stimulus (light, electric field, heat, etc.) and be made to go back and forth repeatedly, the shape change can be transferred into some sort of controlled motion or locomotion of the solid polymer. In this talk, I will report on our recent research on polymer actuators that have a general interest in developing stimuli-controlled soft robots and devices. I will show examples of using light, electric power and heat to move solid pieces of polymers, and discuss important issues involved, including materials design, enhancement of actuation force, biomimetic locomotion modes, autonomous motion under constant stimulation, and reversible transformation between two complex shapes.

 
 
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