Two bis-[1-(aryliminomethyleny)-2-oxy-naphthalen] nickel catalysts for the polymerization of methyl methacrylate

被引：15

作者：

Hua, Yang-Jian ^{[1
,2
]}

Zou, Hua Hong ^{[1
]}

Zeng, Ming-Hua ^{[1
]}

Weng, Ng Seik ^{[3
]}

机构：

[1] Guangxi Normal Univ, Dept Chem & Chem Engn, Key Lab Med Chem Resources & Mol Engn, Guilin 541004, Peoples R China

[2] Huaihua Coll, Dept Chem, Huaihua 418000, Peoples R China

[3] Univ Malaya, Dept Chem, Kuala Lumpur 0603, Malaysia

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2009年 / 694卷 / 03期

关键词：

Nickel complex; MMA; Alkylaluminium; Polymerization; Cocatalyst; VINYL-POLYMERIZATION; ETHYLENE OLIGOMERIZATION; POLY(METHYL METHACRYLATE); COMPLEXES; NORBORNENE; BEHAVIOR; COPOLYMERIZATION;

D O I：

10.1016/j.jorganchem.2008.11.006

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two bis-(1-arylliminomethylenyl-2-oxy-naphthalen) nickel complexes (aryl = 2-methylphenyl, complex 1; aryl = 2,6-diisoproylphenyl, complex 2) were reacted with alkylaluminium in presence of equimolar PPh3 and tested as catalysts in methyl methacrylate (MMA) polymerization. The two nickel catalysts can initiate polymerization of MMA with good to high activity, the highest activity reaching 1.1 x 10(5) g PMMA/(mol Ni.h) by less bulky complex 1 at 0.8 mol/L of MMA, 400 of Al/Ni ratio and 0 degrees C. In addition, the structures of nickel complexes and polymerization conditions, such as monomer concentration, polymerization temperature and Al/Ni molar ratio on catalytic activity of polymerization have great influences on catalytic activity and product properties. (C) 2008 Elsevier B. V. All rights reserved.

引用

页码：366 / 372

页数：7

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