Yb(NTf2)3/HFIP induced high isotacticity in atom transfer radical polymerization of methyl methacrylate†,Polymer Chemistry

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Yb(NTf2)3/HFIP induced high isotacticity in atom transfer radical polymerization of methyl methacrylate†
Polymer Chemistry ( IF 4.6 ) Pub Date : 2018-08-31 00:00:00 , DOI: 10.1039/c8py00953h
Sebastian Schaubach _{1,

2,

3,

4,

5} , Xiao-Yan Wang _{1,

2,

3,

4,

5} , Jun-Fang Li _{1,

2,

3,

4,

5} , Xiu-Li Sun _{1,

2,

3,

4,

5} , Sunewang R. Wang _{1,

2,

3,

4,

5} , Yong Tang _{1,

2,

3,

4,

5}

Affiliation

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.

中文翻译：

Yb（NTf ₂）₃ / HFIP在甲基丙烯酸甲酯的原子转移自由基聚合中诱导高全同立构规整度†

在铜/ BOX介导的MMA的ATRP中，实现了较高的三单元组全同立构规整度（mm = 69％）。使用强路易斯酸Yb（NTf ₂）₃（1.0–8.0 mol％）和HFIP作为溶剂是该等规立体控制的关键。稀释浓度和相对较低的温度有利于进一步改善全同立构规整度。

更新日期：2018-08-31

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