HETEROATOM BRIDGED METALLOCENE COMPOUNDS FOR OLEFIN POLYMERIZATION

Title:

HETEROATOM BRIDGED METALLOCENE COMPOUNDS FOR OLEFIN POLYMERIZATION

Document Type and Number:

WIPO Patent Application WO2006065809

Kind Code:

A3

Abstract:

This invention relates to a transition metal compound represented by the formula: wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is: 1) a substituted or unsubstituted indenyl ligand that is bonded to Y through the four, five, six or seven position of the indenyl ring, or 2) a substituted or unsubstituted heteroindenyl ligand that is bonded to Y through the four, five or six position of the heteroindenyl ring, provided that the bonding position is not the same as the position of the ring heteroatom, or 3) a substituted or unsubstituted fluorenyl ligand that is bonded to Y through the one, two, three, four, five, six, seven or eight position of the fluorenyl ring, or 4) a substituted or unsubstituted heterofluorenyl ligand that is bonded to Y through the one, two, three, four, five or six position of the heteroindenyl ring, provided that the bonding position is not the same as the position of the ring heteroatom; A is a substituted or unsubstituted cyclopentadienyl ligand, a substituted or unsubstituted heterocyclopentadienyl ligand, a substituted or unsubstituted indenyl ligand, a substituted or unsubstituted heteroindenyl ligand, a substituted or unsubstituted fluorenyl ligand, a substituted or unsubstituted heterofluorenyl ligand, or other mono-anionic ligand; Y is a Group 15 or 16 bridging heteroatom substituent that is bonded via the heteroatom to E and A; and X are, independently, univalent anionic ligands, or both X are joined and bound to the metal atom to form a metallocycle ring, or both X join to form a chelating ligand, a diene ligand, or an alkylidene ligand. This invention further relates to catalyst systems comprising the above transiotioon metal compounds , activators and optional supports and their use to polymerize or oligomerize olefins.

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Inventors:

VOSKOBOYNIKOV ALEXANDER Z (RU)
IZMER VYATCHESLAV V (RU)
ASACHENKO ANDREI F (RU)
NIKULIN MIKHAIL V (RU)
RYABOV ALEXEY N (RU)
LEBEDEV ARTYOM Y (RU)
COKER CATALINA L (US)
CANICH JO ANN M (US)

Application Number:

PCT/US2005/045056

Publication Date:

September 28, 2006

Filing Date:

December 14, 2005

Export Citation:

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Assignee:

EXXONMOBIL CHEM PATENTS INC (US)
VOSKOBOYNIKOV ALEXANDER Z (RU)
IZMER VYATCHESLAV V (RU)
ASACHENKO ANDREI F (RU)
NIKULIN MIKHAIL V (RU)
RYABOV ALEXEY N (RU)
LEBEDEV ARTYOM Y (RU)
COKER CATALINA L (US)
CANICH JO ANN M (US)

International Classes:

C08F10/00; C07F17/00; C08F4/64

Domestic Patent References:

WO2003000744A1

2003-01-03

Other References:

DATABASE CAPLUS [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; KATO, HIROSHI ET AL KATO, HIROSHI ET AL: "Impact-resistant transparent isotactic propylene polymers Impact-resistant transparent isotactic propylene polymers", XP002348179, retrieved from STN Database accession no. 1999:407120

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