周惠久论坛——Melt Memory of Semi-Crystalline Polymers: How Chains Remember Their Semi-crystalline past

讲座名称: 周惠久论坛——Melt Memory of Semi-Crystalline Polymers: How Chains Remember Their Semi-crystalline past
讲座时间: 2026-07-17
讲座人: Alejandro J. Müller
形式:
校区: 兴庆校区
实践学分:
讲座内容:

讲座名称:周惠久论坛——Melt Memory of Semi-Crystalline Polymers: How Chains Remember Their Semi-crystalline past

讲座时间:2026年07月17日  下午15:00

讲座地点:兴庆校区 仲英楼 A702会议室

 

讲座人:Alejandro J. Müller教授。Professor Müller has published 600 scientific papers, has over 25,000 citations and an h-index 83. He is a member of National Academy of Engineering and Habitat of Venezuela and the Latin American Academy of Sciences. He has received a number of prestigious distinctions and awards, and is an Editor of the journal Polymer (Elsevier).

 

讲座摘要:When polymer chains crystallize, they undergo a dramatic conformational transition from random coil to highly ordered chain segments packed within crystal lattice. Upon heating above the melting point, time is required for these ordered conformations to disappear fully. The melt can retain a “memory” of its previous crystalline organization. This memory can markedly enhance nucleation subsequent crystallization. The effect has important consequences for polymer processing and material properties. In this lecture factors influencing melt memory will be discussed, and how it may be harnessed to improve polymer processing.

 

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