Synthesis, characterization and ethylene polymerization behavior of nickel dihalide complexes bearing bulky unsymmetrical α-diimine ligands

被引：100

作者：

Liu, Hao ^{[1
,2
,4
]}

Zhao, Weizhen ^{[1
,2
]}

Yu, Jiangang ^{[1
,2
]}

Yang, Wenhong ^{[1
,2
]}

Hao, Xiang ^{[1
,2
]}

Redshaw, Carl ^{[3
]}

Chen, Langqiu ^{[4
]}

Sun, Wen-Hua ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China

[3] Univ E Anglia, Sch Chem, Norwich NR4 7TJ, Norfolk, England

[4] Xiangtan Univ, Coll Chem, Key Lab Environm Friendly Chem & Applicat, Minist Educ, Xiangtan 411105, Peoples R China

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2012年 / 2卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

DIPHENYLPHOSPHINOENOLATE PHENYL COMPLEXES; CATALYTIC OLIGOMERIZATION; PALLADIUM(II) COMPLEXES; EFFICIENT DIMERIZATION; CRYSTAL-STRUCTURE; METAL-COMPLEXES; H...O-NI; OLEFINS; PROPYLENE; COBALT;

D O I：

10.1039/c1cy00319d

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A series of nickel(II) dihalide complexes (C1-C10) bearing unsymmetrical alpha-diimine ligands of the type 2,4-dibenzhydryl-N-(2-phenyliminoacenaphthylenylidene)-6-methylbenzenamine (L1-L5) were synthesized and fully characterized. Single-crystal X-ray diffraction revealed a distorted tetrahedral geometry around the nickel center in the complexes C3, C5 and C9. Upon activation with modified methylaluminoxane (MMAO), all nickel pro-catalysts performed with high activities in ethylene polymerization, producing highly branched polyethylene products.

引用

页码：415 / 422

页数：8

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