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US5576260A Expired / Lapsed US ⏱️ 0.0 years remaining

Metallocene-based catalysts

Assignee: Targor GmbH
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Filing: 1995-06-07
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Granted: 1996-11-19
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Expires: 2015-06-07
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Abstract

Abstract The invention relates to a metallocene compound of the formula I ##STR1## where the two indenyl ligands have substitution patterns different from one another. The metallocene compound can be used as catalyst component for olefin polymerization.

Inventors

  • 👤 Andreas Winter
  • 👤 Frank K uber
  • 👤 Michael Aulbach
  • 👤 Bernd Bachmann
  • 👤 Robert Klein
  • 👤 Klaus K uhlein
  • 👤 Walter Spaleck
  • 👤 Christian Kohlpaintner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 23:11
CPC Classifications
C; C08; C08F; C08F210/00; C08F210/04; C08F210/06; C07; C07F; C07F17/00; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/0805; C07F7/30; C08F10/00; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/64; C08F4/659; C08F4/65912; C08F4/6592; C08F4/65922; C08F4/65927; C08F110/00; C08F110/04; C08F110/06; C08F2420/00; C08F2420/08; C08F4/639; C08F4/63912; C08F4/63916; C08F4/6392; C08F4/63922; C08F4/63927; C08F4/65916; Y; Y10; Y10S; Y10S526/00; Y10S526/943

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 976 words
A catalyst composition comprising a metallocene and a cocatalyst thereof, wherein the metallocene is a compound of the formula I ##STR9## where M 2 is a metal of group IVb, Vb or VIb of the Periodic Table, the radicals R 1 are identical or different and are a hydrogen atom, a C 1 -C 10 -alkyl group, a C 1 -C 10 -alkoxy group, a C 6 -C 10 -aryl group, a C 6 -C 10 -aryloxy group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group or a halogen atom, the radicals R 2 are identical or different and are hydrogen, a halogen atom, a C 1 -C 10 -alkyl group which can be halogenated, a C 6 -C 10 -aryl group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, a --NR 2 10 , --OR 10 , --SR 10 , --OSiR 3 10 , --SiR 3 10 or --PR 2 10 radical, where R 10 is a halogen atom, a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, the radicals R 3 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 20 -alkyl group,a C 1 -C 20 -fluoroalkyl group, a C 6 -C 30 -aryl group, a C 6 -C 30 -fluoroaryl group, a C 1 -C 20 -alkoxy group, a C 2 -C 20 -alkenyl group, a C 7 C 40 -arylalkyl group, a C 8 -C 40 -arylalkenyl group, a C 7 -C 40 -alkylaryl group, a --NR 2 10 , --OR 10 , --SR 10 , --OSiR 3 10 , --SiR 3 10 or --PR 2 10 radical, where R 10 is a halogen atom, a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, or two or more radicals R 3 together with the atoms connecting them form a ring system; but not all radicals R 3 are hydrogen when all radicals R 4 are hydrogen; the radicals R 4 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 20 -alkyl group, a C 1 -C 20 -fluoroalkyl group, a C 6 -C 30 -aryl group, a C 6 -C 30 -fluoroaryl group, a C 1 -C 20 -alkoxy group, a C 2 -C 20 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 8 -C 40 -arylalkenyl group, a C 7 -C 40 -alkylaryl group, a --NR 2 10 , --OR 10 , --SR 10 , --OSiR 3 10 , --SiR 3 10 or --PR 2 10 radical where R 10 is a halogen atom, a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, or two or more radicals R 4 together with the atoms connecting them form a ring system; but not all radicals R 4 are hydrogen when all radicals R 3 are hydrogen; R 5 is a halogen atom, a C 1 -C 10 -alkyl group, which can be halogenated, a C 6 -C 10 -aryl group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, a --NR 2 10 , --OR 10 , --SR 10 , --OSiR 3 10 , --SiR 3 10 or --PR 2 10 radical, where R 10 is a halogen atom, a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, R 6 is a hydrogen atom, a halogen atom, a C 1 -C 10 -alkyl group, which can be halogenated, a C 6 -C 10 -aryl group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkyloxy group, a C 8 -C 40 -arylalkenyl group, a --NR 2 10 , --OR 10 , --SR 10 , --OSiR 3 10 , --SiR 3 10 or --PR 2 10 radical, where R 10 is a halogen atom, a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, R 7 is ##STR10## where R 11 , R 12 and R 13 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 10 -alkyl group, a C 1 -C 20 -fluoroalkyl group, a C 6 -C 30 -aryl group, a C 6 -C 30 -fluoroaryl group, a C 1 -C 20 -alkoxy group, a C 2 -C 20 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 8 -C 40 -arylalkenyl group, a C 7 -C 40 -alkylaryl group, or R 11 and R 12 or R 11 and R 13 together with the atoms connecting them form a ring, M 1 is silicon, germanium or tin, R 8 and R 9 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 20 -alkyl group, a C 1 -C 20 -fluoroalkyl group, a C 6 -C 30 -aryl group, a C 6 -C 30 -fluoroaryl group, a C 1 -C 20 -alkoxy group, a C 2 -C 20 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 8 -C 40 -arylalkenyl group, a C 7 -C 40 -alkylaryl group, or R 8 and R 9 together with the atoms connecting them form a ring, m and n are identical or different and are zero, 1 or 2, where m plus n is zero, 1 or 2, wherein the two indenyl ligands have substitution patterns different from one another on the six-member ring of the indenyl ligands.
Claim 2
Dependent Claim 976 words
A catalyst composition comprising a metallocene and a cocatalyst thereof, wherein the metallocene is a compound of the formula I ##STR9## where M 2 is a metal of group IVb, Vb or VIb of the Periodic Table, the radicals R 1 are identical or different and are a hydrogen atom, a C 1 -C 10 -alkyl group, a C 1 -C 10 -alkoxy group, a C 6 -C 10 -aryl group, a C 6 -C 10 -aryloxy group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group or a halogen atom, the radicals R 2 are identical or different and are hydrogen, a halogen atom, a C 1 -C 10 -alkyl group which can be halogenated, a C 6 -C 10 -aryl group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, a --NR 2 10 , --OR 10 , --SR 10 , --OSiR 3 10 , --SiR 3 10 or --PR 2 10 radical, where R 10 is a halogen atom, a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, the radicals R 3 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 20 -alkyl group,a C 1 -C 20 -fluoroalkyl group, a C 6 -C 30 -aryl group, a C 6 -C 30 -fluoroaryl group, a C 1 -C 20 -alkoxy group, a C 2 -C 20 -alkenyl group, a C 7 C 40 -arylalkyl group, a C 8 -C 40 -arylalkenyl group, a C 7 -C 40 -alkylaryl group, a --NR 2 10 , --OR 10 , --SR 10 , --OSiR 3 10 , --SiR 3 10 or --PR 2 10 radical, where R 10 is a halogen atom, a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, or two or more radicals R 3 together with the atoms connecting them form a ring system; but not all radicals R 3 are hydrogen when all radicals R 4 are hydrogen; the radicals R 4 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 20 -alkyl group, a C 1 -C 20 -fluoroalkyl group, a C 6 -C 30 -aryl group, a C 6 -C 30 -fluoroaryl group, a C 1 -C 20 -alkoxy group, a C 2 -C 20 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 8 -C 40 -arylalkenyl group, a C 7 -C 40 -alkylaryl group, a --NR 2 10 , --OR 10 , --SR 10 , --OSiR 3 10 , --SiR 3 10 or --PR 2 10 radical where R 10 is a halogen atom, a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, or two or more radicals R 4 together with the atoms connecting them form a ring system; but not all radicals R 4 are hydrogen when all radicals R 3 are hydrogen; R 5 is a halogen atom, a C 1 -C 10 -alkyl group, which can be halogenated, a C 6 -C 10 -aryl group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, a --NR 2 10 , --OR 10 , --SR 10 , --OSiR 3 10 , --SiR 3 10 or --PR 2 10 radical, where R 10 is a halogen atom, a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, R 6 is a hydrogen atom, a halogen atom, a C 1 -C 10 -alkyl group, which can be halogenated, a C 6 -C 10 -aryl group, a C 2 -C 10 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkyloxy group, a C 8 -C 40 -arylalkenyl group, a --NR 2 10 , --OR 10 , --SR 10 , --OSiR 3 10 , --SiR 3 10 or --PR 2 10 radical, where R 10 is a halogen atom, a C 1 -C 10 -alkyl group or a C 6 -C 10 -aryl group, R 7 is ##STR10## where R 11 , R 12 and R 13 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 10 -alkyl group, a C 1 -C 20 -fluoroalkyl group, a C 6 -C 30 -aryl group, a C 6 -C 30 -fluoroaryl group, a C 1 -C 20 -alkoxy group, a C 2 -C 20 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 8 -C 40 -arylalkenyl group, a C 7 -C 40 -alkylaryl group, or R 11 and R 12 or R 11 and R 13 together with the atoms connecting them form a ring, M 1 is silicon, germanium or tin, R 8 and R 9 are identical or different and are a hydrogen atom, a halogen atom, a C 1 -C 20 -alkyl group, a C 1 -C 20 -fluoroalkyl group, a C 6 -C 30 -aryl group, a C 6 -C 30 -fluoroaryl group, a C 1 -C 20 -alkoxy group, a C 2 -C 20 -alkenyl group, a C 7 -C 40 -arylalkyl group, a C 8 -C 40 -arylalkenyl group, a C 7 -C 40 -alkylaryl group, or R 8 and R 9 together with the atoms connecting them form a ring, m and n are identical or different and are zero, 1 or 2, where m plus n is zero, 1 or 2, wherein the two indenyl ligands have substitution patterns different from one another on the six-member ring of the indenyl ligands.
Claim 3
Dependent Claim 14 words
A catalyst composition as claimed in claim 1, wherein the catalyst composition is prepolymerized.
Claim 4
Dependent Claim 14 words
A catalyst composition as claimed in claim 1, wherein the catalyst composition is supported.
Claim 5
Dependent Claim 16 words
A catalyst composition as claimed in claim 1, wherein the catalyst composition is supported and prepolymerized.

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