报告题目：Resolving Three Long-Standing Challenges in Polymer Chemistry through Precision Synthesis

报告时间：2026年4月20日上午10:00-11:00

报告地点：五山校区25号楼（唯美楼）346会议室

报 告 人：Nikos Hadjichristidis教授

邀 请 人：赵俊鹏 教授

主办单位：材料科学与工程学院

报告摘要：This lecture presents three recent breakthroughs from our laboratory, illustrating how precision synthesis enables unprecedented control over polymer structure and properties. The first study addresses the long-standing challenge of achieving living/controlled ring-opening polymerization of glycolide. By employing fluoroalcohols as cosolvents, we simultaneously enhance monomer solubility and activate both the monomer and the propagating chain end, as supported by DFT and NMR studies. This approach provides access to well-defined polyglycolide and advanced macromolecular architectures, while enabling selective chemical recycling back to the monomer, offering a sustainable alternative. The second study revisits the synthesis of linear polyethylene via C1 polymerization. Using a novel initiator, 1,5-(bis-borinane)pentane, in combination with highly purified monomers, branching is reduced below 0.02%, yielding α,ω-hydroxy polymethylenes with crystallinity approaching theoretical limits (~99%), as confirmed by advanced NMR and X-ray analyses. The third study tackles the long-standing challenge of introducing functionality at every backbone carbon. Through two controlled C1 polymerization pathways, carbenium-initiated and Ni(acac)₂-mediated, we achieve fully aromatic-substituted polymethylenes with programmable iso- and syndiotacticity, establishing a new paradigm beyond conventional polyolefins. Together, these advances demonstrate how solving fundamental synthetic challenges through molecular precision leads to transformative materials, capturing the essence and beauty of polymer chemistry.

报告人简介：Nikos Hadjichristidis，世界著名高分子化学家。1988-2010年任希腊雅典大学教授，2011年至今任沙特阿卜杜拉国王科技大学教授（2016年评为杰出教授）；1991年至今任美国埃克森美孚公司客座教授，2011年至今任复旦大学顾问教授，2023年至今任苏州大学荣誉讲席教授；2016-2020年任希腊国家研究与创新委员会主席，并曾在加拿大国家研究委员会、美国阿克伦大学、比利时列日大学等机构担任访问学者和客座教授。截至2026年1月，Hadjichristidis教授已发表学术论文600余篇，谷歌学术总引用量43771次，h指数95；获授权专利35项；主编和撰写学术著作5部；获中国化学会荣誉会士、英国皇家化学会会士、美国化学会高分子化学分会会士、美国化学会高分子化学奖、英国高分子学会杰出成就奖章等荣誉头衔及奖项。