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个人信息Personal Information
教授
博士生导师
硕士生导师
性别：男
毕业院校：吉林大学
学位：博士
所在单位：化学学院
学科：有机化学. 高分子化学与物理
办公地点：大连理工大学化学楼501
联系方式：Email:tqxu@dlut.edu.cn Phone:(0411)84708904
电子邮箱：tqxu@dlut.edu.cn
Highly Robust Yttrium Bis(phenolate) Ether Catalysts for Excellent Isoselective Ring-Opening Polymerization of Racemic Lactide
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论文类型：期刊论文
发表时间：2017-01-24
发表刊物：MACROMOLECULES
收录刊物：SCIE、EI
卷号：50
期号：2
页面范围：515-522
ISSN号：0024-9297
摘要：The highly isoselective ring-opening polymerization (ROP) of racemic lactide is regarded as a valuable strategy for the synthesis of stereocomplex polylactide. In the present contribution, we report the novel yttrium bis(phenolate) ether complexes for catalyzing ROP of raceniic lactide in high activity (TOP) aria,excellent isotactic selectivity (P-1) (P-i = 0.90, TOP = 120 h(-1) at -15 degrees C; P = 0.84, TOF = 2280 h(-1) at 25 degrees C). Kinetic and computational studies provide a fundamental understanding of the steteocontrol mechanism governing polymerization reactions mediated by yttrium catalysts.