Polyethylenes with Uni-, Bi-, and trimodal molecular weight distributions produced with a single bis(phenoxy-imine)zirconium complex

被引：109

作者：

Tohi, Y

Makio, H

Matsui, S

Onda, M

Fujita, T

机构：

[1] Mitsui Chem Inc, R&D Ctr, Sodegaura, Chiba 2990265, Japan

[2] Anal & Consulting Serv Inc, Mitsui Chem, Sodegaura, Chiba 2990265, Japan

来源：

MACROMOLECULES | 2003年 / 36卷 / 03期

关键词：

D O I：

10.1021/ma025624z

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polyethylenes were synthesized from group 4 transition metal complexes bearing two phenoxy-imine ligands (FI Catalysts). FI Catalysts potentially possess five isomers arising from coordinating modes of ligands in an octahedral geometry, which may result in multiple active species under appropriate conditions. It was demonstrated that FI Catalysts were capable of producing uni-, di-, and trimodal polyethylenes in a controlled manner with very high activities.

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页码：523 / 525

页数：3

相关论文

共 38 条

[1] Synthesis, structures, bonding, and ethylene reactivity of group 4 metal alkyl complexes incorporating 8-quinolinolato ligands [J].

Bei, XH ;

Swenson, DC ;

Jordan, RF .

ORGANOMETALLICS, 1997, 16 (15) :3282-3302

[2] Iron and cobalt ethylene polymerization catalysts bearing 2,6-bis(imino)pyridyl ligands:: Synthesis, structures, and polymerization studies [J].

Britovsek, GJP ;

Bruce, M ;

Gibson, VC ;

Kimberley, BS ;

Maddox, PJ ;

Mastroianni, S ;

McTavish, SJ ;

Redshaw, C ;

Solan, GA ;

Strömberg, S ;

White, AJP ;

Williams, DJ .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1999, 121 (38) :8728-8740

[3] Preparation of the Ziegler-Natta/metallocene hybrid catalysts on SiO2/MgCl2 bisupport and ethylene polymerization [J].

Chung, JS ;

Cho, HS ;

Ko, YG ;

Lee, WY .

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 1999, 144 (01) :61-69

[4]

D'Agnillo L, 1998, J POLYM SCI POL CHEM, V36, P831, DOI 10.1002/(SICI)1099-0518(19980415)36:5<831::AID-POLA16>3.0.CO

[5]

2-H

[6]

D 'Agnillo L, 1998, MACROMOL CHEM PHYSIC, V199, P955, DOI 10.1002/(SICI)1521-3935(19980601)199:6<955::AID-MACP955>3.0.CO

[7]

2-E

[8]

FILHO AAD, 2000, MACROMOL CHEM PHYS, V201, P1226

[9]

FURTEK AB, 1993, METCON 93 P, P125

[10] MIGRATORY APTITUDE OF THE ZR-C FUNCTIONALITIES BONDED TO A MACROCYCLIC STRUCTURE - THERMALLY-ASSISTED AND SOLVENT-ASSISTED INTRAMOLECULAR AND INTERMOLECULAR MIGRATIONS IN DIALKYL(DIBENZOTETRAMETHYLTETRAAZAANNULENE)ZIRCONIUM(IV) [J].

GIANNINI, L ;

SOLARI, E ;

DEANGELIS, S ;

WARD, TR ;

FLORIANI, C ;

CHIESIVILLA, A ;

RIZZOLI, C .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1995, 117 (21) :5801-5811

← 1 2 3 4 →