Yb(NTf2)3/HFIP induced high isotacticity in atom transfer radical polymerization of methyl methacrylate
文献信息
Sebastian Schaubach, Xiao-Yan Wang, Jun-Fang Li, Xiu-Li Sun, Sunewang R. Wang, Yong Tang
High triad isotacticity (mm = 69%) in copper/BOX mediated ATRP of MMA is achieved. The use of strong Lewis acid Yb(NTf2)3 (1.0–8.0 mol%) and HFIP as the solvent is the key for this isotactic stereocontrol. A dilute concentration and a relatively low temperature are beneficial for further improving the isotacticity.
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Polymer Chemistry

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