Propene Polymerization by ansa-Fluorenylamidodimethyltitanium Activated with SiO2-Supported Modified Methylalminoxane

被引：0

作者：

Shiono, Takeshi ^{[1
]}

Matsumae, Takashi ^{[2
]}

Nishii, Kei ^{[2
]}

Ikeda, Tomiki ^{[2
]}

机构：

[1] Hiroshima Univ, Grad Sch Engn, Kagamiyama 1-4-1, Higashihiroshima 7398527, Japan

[2] Tokyo Inst Technol, Chem Resources Lab, Yokohama, Kanagawa 2268503, Japan

来源：

PROGRESS IN OLEFIN POLYMERIZATION CATALYSTS AND POLYOLEFIN MATERIALS, PROCEEDINGS OF THE FIRST ASIAN POLYOLEFIN WORKSHOP | 2006年 / 161卷

关键词：

D O I：

暂无

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

SiO2-supported cocatalyst was prepared from trialkylaluminium-free modified methylaluminoxane. Propene polymerization was performed by [t-BuNSiMe2(Flu)]TiMe2 combined with the prepared cocatalyst in heptane. The supported system showed a comparable initial activity to the corresponding homogeneous system that conducts living polymerization of propene and gave the polymer with higher molecular weight and broader molecular weight distribution. Deactivation and chain transfer reaction however occurred in the supported system.

引用

页码：241 / 244

页数：4

共 9 条

[1] Substituent effects of tert-butyl groups on fluorenyl ligand in syndiospecific living polymerization of propylene with ansa-fluorenylamidodimethyltitanium complex [J].

Cai, ZG ;

Ikeda, T ;

Akita, M ;

Shiono, T .

MACROMOLECULES, 2005, 38 (20) :8135-8139

[2]

Coates GW, 2002, ANGEW CHEM INT EDIT, V41, P2236, DOI 10.1002/1521-3773(20020703)41:13<2236::AID-ANIE2236>3.0.CO

[3]

2-3

[4] Advances in non-metallocene olefin polymerization catalysis [J].

Gibson, VC ;

Spitzmesser, SK .

CHEMICAL REVIEWS, 2003, 103 (01) :283-315

[5] Living polymerization of propene with a chelating (diamide)dimethyltitanium complex using silica-supported methylaluminoxane [J].

Hagimoto, H ;

Shiono, T ;

Ikeda, T .

MACROMOLECULES, 2002, 35 (15) :5744-5745

[6]

Hagimoto H, 2002, MACROMOL RAPID COMM, V23, P73, DOI 10.1002/1521-3927(20020101)23:1<73::AID-MARC73>3.0.CO

[7]

2-Q

[8] Olefin polymerization catalyzed by metallocenes [J].

Kaminsky, W .

ADVANCES IN CATALYSIS, VOL 46, 2001, 46 :89-159

[9] Effect of solvents on living polymerization of propylene with [t-BuNSiMe2Flu]TiMe2-MMAO catalyst system [J].

Nishii, K ;

Matsumae, T ;

Dare, EO ;

Shiono, T ;

Ikeda, T .

MACROMOLECULAR CHEMISTRY AND PHYSICS, 2004, 205 (03) :363-369

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