On the Origin of Living Polymerization over o-Fluorinated Post-titanocene Catalysts

被引：9

作者：

Talsi, Evgenii P. ^{[1
]}

Bryliakov, Konstantin P. ^{[1
]}

机构：

[1] Boreskov Inst Catalysis, Novosibirsk 630090, Russia

来源：

TOPICS IN CATALYSIS | 2013年 / 56卷 / 11期

基金：

俄罗斯基础研究基金会;

关键词：

Living polymerization; Post-metallocene; Titanium; o-Fluorinated; Mechanism; Active sites; METALLOCENE POLYOLEFIN CATALYSTS; IMINE CHELATE LIGANDS; F-C CONTACTS; OLEFIN POLYMERIZATION; ETHYLENE POLYMERIZATION; H-1-NMR SPECTROSCOPY; COMPLEXES; TITANIUM; CHAIN; POLYETHYLENE;

D O I：

10.1007/s11244-013-0055-9

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Group 4 bis(phenoxyimine) and related complexes are highly active olefin polymerization catalysts of the post-metallocene family. When activated with methylalumoxane, titanium complexes bearing o-fluoroaryl substituents can conduct living polymerization of ethylene and propylene. In spite of more than 10-year history of such catalysts, the origin of living behavior of such catalysts remains open to questions. This work presents the state of the art of the discussion on the living nature of single-site post-metallocene titanium based catalysts bearing o-fluoroaryl substituents. Recent experimental and theoretical results are discussed.

引用

页码：914 / 922

页数：9

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