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US4701432A Expired / Lapsed US ⏱️ 0.0 years remaining

Supported polymerization catalyst

Assignee: ExxonMobil Chemical Patents Inc
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Filing: 1986-06-09
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Granted: 1987-10-20
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Expires: 2006-06-09
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Abstract

Abstract An olefin polymerization catalyst comprising (a) a supported transition metal containing component comprising the support treated with at least one metallocene and at least one non-metallocene transition metal compound, and a cocatalyst comprising an alumoxane and an organometallic compound of a metal of Groups IA, IIA, IIB, or IIIA of the Periodic Table.

Inventors

  • 👤 Howard C. Welborn, Jr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:09
CPC Classifications
C; C08; C08F; C08F10/00; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/64; C08F210/00; C08F210/16; C08F4/659; C08F4/65904; C08F4/65912; C08F4/65916; C08F4/6592; Y; Y10; Y10S; Y10S526/00; Y10S526/943

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 37 words
An olefin polymerization supported catalyst component comprising a support treated with at least one metallocene of a Group IVB or VB metal and at least one non-metallocene compound of a Group IVB, VB, or VI transition metal.
Claim 2
Dependent Claim 37 words
An olefin polymerization supported catalyst component comprising a support treated with at least one metallocene of a Group IVB or VB metal and at least one non-metallocene compound of a Group IVB, VB, or VI transition metal.
Claim 3
Dependent Claim 348 words
The olefin polymerization supported catalyst component of claim 1 wherein the (a) metallocene is represented by the formulas: (Cp).sub.m MR.sub.n X.sub.q (I) C.sub.5 R'.sub.k).sub.g R".sub.s (C.sub.5 R'.sub.k)MQ.sub.3-g and (II) R".sub.s (C.sub.5 R'.sub.k).sub.2 MQ' (III) wherein Cp is a cyclopentadienyl ring, M is a Group IVB or VB transition metal, X is a halogen, R is hydride, a hydrocarby or hydrocarboxy group having from 1 to 20 carbon atoms, m=1-3, n=0-3 and the sum of m+n +q is sufficient to saturate M, (C 5 R' k ) is a cyclopentadienyl or an alkyl substituted cyclopentadienyl: each R' is the same or different and is hydrogen or a hydrocarbyl radical selected from alkyl, alkenyl, aryl, alkylaryl or arylalkyl radicals containing from 1 to 20 carbon atoms, or two carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon or an alkyl phosphine or amine radical bridging two (C 5 R' k ) rings; Q is a hydrocarbyl radical selected from aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radicals having from 1-20 carbon atoms, hydrocarboxy radical having from 1-20 carbon atoms or halogen and can be the same or different from each other Q' is an alkylidiene radical having from 1 to about 20 carbon atoms; s is O or 1; g is 0,1, or 2; s is O when g is O; k is 4 is when s is 1 and k is 5 when s is O; and M is defined as above, and, (b) the non-metallocene transition compound metal is represented by the formulas: TrX' 4-g (OR') q , TrX' 4-q R 2 q , VOX' 3 and VO(OR") 3 wherein Tr is a Group IVB or Group VB metal, Q is O or a number equal to or less than 4, X' is a halogen, R 1 is an alkyl group, aryl group, or cycloalkyl group having from 1 to 20 carbon atoms, and R 2 is an alkyl group, aryl group, aralkyl group having from 1 to 20 carbon atoms.
Claim 4
Dependent Claim 14 words
The olefin polymerization supported catalyst component of claim 2 wherein the support is silica.
Claim 5
Dependent Claim 24 words
The olefin polymerization supported catalyst component of claim 2 wherein the metallocene is selected from titanium, zirconium, hafnium or vanadium metallocenes or mixtures thereof.
Claim 6
Dependent Claim 22 words
The olefin polymerization supported catalyst component of claim 4 wherein the metallocene is selected from titanium or zirconium metallocenes or mixtures thereof.
Claim 7
Dependent Claim 43 words
The olefin polymerization supported catalyst component of claim 2 wherein the non-metallocene transition metal compound is selected from TiCl 4 , TiBr 4 , Ti(OC 4 H 9 ) 2 Cl 2 , VCl 4 , VOCl 3 , and ZrCl 4 .
Claim 8
Dependent Claim 82 words
The olefin polymerization supported catalyst component of claim 2 wherein the at least one metallocene is selected from bis(cyclopentadienyl)zirconium dichloride, bis(cyclopentadienyl)zirconium methyl chloride, bis(cyclopentadienyl)zirconium dimethyl, bis(methylcyclopentadienyl)zirconium dichloride, bis(methylcyclopentadienyl)zirconium methyl chloride, bis(methylcyclopentadienyl)zirconium dimethyl, bis(pentamethylcyclopentadienyl)zirconium dichloride, bis(pentamethylcyclopentadienyl)zirconium methyl chloride, bis(pentamethylcyclopentadienyl)zirconium dimethyl, bis(n-butylcyclopentadienyl)zirconium dichloride, bis(n-butylcyclopentadienyl)zirconium methyl chloride, bis(n-butylcyclopentadienyl)zirconium dimethyl, biscyclopentadieny.1)titanium diphenyl, bis(cyclopentadienyl)titanium dichloride, bis(cyclopentadienyl)titanium methyl chloride, bis(cyclopentadienyl)titanium dimethyl, bis(methylcyclopentadienyl)titanium diphenyl, bis(methylcyclopentadienyl)titanium dichloride, bis(methylcyclopentadienyl)titanium diphenyl, bis(methylcyclopentadienyl)titanium methyl chloride, bis(methylcyclopentadienyl)titanium dimethyl, bis(pentamethylcyclopentadienyl)titanium dichloride, bis(pentamethylcyclopentadienyl)titanium diphenyl, bis(pentamethylcyclopentadienyl)titanium methyl chloride, bis(pentamethylcyclopentadienyl)titanium dimethyl, bis(n-butylcyclopentadie)titanium diphenyl, bis(n-butylcyclopentadienyl)titanium dichloride and mixtures thereof.
Claim 9
Dependent Claim 28 words
The olefin polymerization supported catalyst component in accordance with claim 7 wherein the metallocene is selected from bis{methylcyclopentadien)zirconium dichloride, bis(n-butylcyclopentadieyl)zirconium dichloride, bis(pentamethylyclopentadienyl)zirconium dichloride, bis{cyclopentadieny)titanium diphenyl, and bis(metylcyclopentadien)titanium diphenyl.
Claim 10
Dependent Claim 54 words
The olefin polymerization supported catalyst component in accordance with claim 2 wherein the molar ratio of the metallocene to the non-metallocene transition metal containing compound is in the range of 10 moles metallocene compound per mole of non-metallocene transition metal compound to about 0.1 moles metallocene compound per mole of non-metallocene transition metal compound.
Claim 11
Dependent Claim 72 words
An olefin polymerization supported catalyst system comprising I. a cocatalyst comprising (a) an alumoxane, and (b) an organometallic compoound of a metal of Groups IA, IIA, IIB, and IIIA of the Perodic Table, and II. a supported catalyst component of comprising a support treated with at least one metallocene of a Group IVB or VB metal and at least one non-metallocene compound of a Group IVB, VB, or VIB transition metal compound.
Claim 12
Dependent Claim 72 words
An olefin polymerization supported catalyst system comprising I. a cocatalyst comprising (a) an alumoxane, and (b) an organometallic compoound of a metal of Groups IA, IIA, IIB, and IIIA of the Perodic Table, and II. a supported catalyst component of comprising a support treated with at least one metallocene of a Group IVB or VB metal and at least one non-metallocene compound of a Group IVB, VB, or VIB transition metal compound.
Claim 13
Dependent Claim 352 words
An olefin polymerization supported catalyst system as in claim 10 wherein the (a) metallocene is represented by the formulas: (Cp).sub.m MR.sub.n X.sub.q (I) (C.sub.5 R'.sub.k).sub.g R".sub.s (C.sub.5 R'.sub.k)MQ.sub.3-g and (II) R".sub.s (C.sub.5 R'.sub.k).sub.2 MQ' (III) wherein Cp is a cyclopentadienyl ring, M is a Group IVB or VB transition metal, X is a halogen, R is a hydride, a hydrocarbyl or hydrocarboxy group having from 1 to 20 carbon atoms, m=1-3, n=0-3, q=0-3 and the sum of m +n +q is sufficient to saturate M, (C 5 R' k ) is a cyclopentadienyl or an alkyl substituted cyclopentadienyl; each R' is the same or different and is hydrogen or a hydrocarb.yl radical selected from alkyl, alkenyl aryl, alkylalyl or arylalky.1 radicals containing from 1 to 20 carbon atoms, or two carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon or an alkyl phosphine or amine radical bridging two (C 5 R' k ) rings; Q is a hydrocarbyl radical selected from aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radicals having from 1-20 carbon atoms, hydrocarboxy radical having from 1-20 carbon atoms or halogen and can be the same or different from each other, Q' is an alkylidiene radical having from 1 to about 20 carbon atoms; s is 0 or 1; g is 0, 1, or 2; s is 0 when g is 0; k is 4 when s is 1 and k is 5 when s is 0; and M is defined as above, and, (b) the non-metallocene transition compound metal is represented by the formulas: TrX' 4-q (OR') q , TrX' 4-q R 2 q , VOX' 3 and VO(OR') 3 wherein Tr is a Group Group VB - 28 metal, Q is 0 or a number equal to or less than 4, X' is a halogen. R 1 is an alkyl group, aryl group, or cycloalkyl group having from 1 to 20 carbon atoms, and R 2 is an alkyl group, aryl group, aralkyl group, having from 1 to 20 carbon atoms.
Claim 14
Dependent Claim 15 words
An olefin polymerization supported catalyst system as in claim 11 wherein the support is silica.
Claim 15
Dependent Claim 25 words
An olefin polymerization supported catalyst system as in claim 11 wherein the metallocene is selected from titanium, zirconium, hafnium or vanadium metallocenes or mixtures thereof.
Claim 16
Dependent Claim 23 words
An olefin polymerization supported catalyst system as om claim 13 wherein the metallocene is selected from titanium or zirconium metallocenes or mixtures thereof.
Claim 17
Dependent Claim 44 words
An olefin polymerization supported catalyst system as in claim 11 wherein the non-metallocene transition metal compound is selected from TiCl 4 , TiBr 4 , Ti(OC 4 H 9 ) 2 Cl 2 , VCl 4 , VOCl 3 , and ZrCl 4 .
Claim 18
Dependent Claim 83 words
An olefin polymerization supported catalyst system as in claim 11 wherein the at least one metallocene is selected from bis(clcopentadie)zirconium dichloride, bis(cyclopentadienyl)zirconium methyl chloride, bis(cyclopentadienyl)zirconium dimethyl, bis(methylcyclopentadienyl)zirconium dichloride, bis(methylcyclopentadienyl)zirconium methyl chloride, bis(methylcyclopentadienyl)zirconium dimethyl, bis(pentamethylcyclopentadienyl)zirconium dichloride, bis(pentamethylcyclopentadienyl)zirconium methyl chloride, bis(pentamethylcyclopentadieyl)zirconium dimethyl, bis(n-butylcyclopentadienyl}zirconium dichloride, bis(n-butylcyclopentadienyl)zirconium methyl chloride, bis(n-butylcyclopentadienyl)zirconium dimethyl, bis{cyclopentadienyl)titanium diphenyl, bis(cyclopentadienyl)titanium dichloride, bis(cyclopentadienyl)titanium methyl chloride, bis(cyclopentadienyl)titanium dimethyl, bis(meth.ylcyclopentadienyl)titanium diphenyl, bis(met-lcyclopentadieyl)titanium dichloride, bis(methylcyclopentadienyl)titanium diphenyl, bis(methylcyclopentadienyl)titanium methyl chloride, bis(methylcyclopentadienyl)titanium dimethyl, bis(pentamethylcyclopentadienyl)titanium dichloride, bispentametylcyclopentadienyl)titanium diphenyl, bis(pentamethylcyclopentadieyl}titanium methyl chloride, bis(pentamethylcyclopentadienyl)titanium dimet-1, bis(n-butylcyclopentadienyl)titanium diphenyl, bis(n-buylcyclopentadienyl)titanium dichloride and mixtures thereof.
Claim 19
Dependent Claim 27 words
An olefin polymerization supported catalyst system as in claim 16 wherein the metallocene is selected from bis(methylcyclopentadienyl)zirconium dichloride, bis(n-butylcyclopentadienyl)zirconium dichloride, bis(pentamethylcyclopentadienyl)zirconium dichloride, bis(cyclopentadieyl)titanium diphenyl, and bis(methylcyclopentadienyl)titanium dipheyl.
Claim 20
Dependent Claim 53 words
An olefin polymerization supported catalyst system as in claim 11 wherein the molar ratio of the metallocene to the nonmetallocene transition metal containing compound is in the range of 10 moles metallocene compound per mole of non-metallocene transition metal compound to about 0.1 moles metallocene compound per mole of non-metallocene transition metal compound.
Claim 21
Dependent Claim 40 words
An olefin polymerization supported catalyst system as in claim 10 wherein the alumoxane to organometallic compound is in the range of 10 moles of alumoxane per mole of organometallic compound to 0.1 moles of alumoxance per mole of organometallic compound.
Claim 22
Dependent Claim 68 words
An olefin polymerzation catalyst system as in claim 10 wherein the alumoxane is methyl alumoxane and the organometallic compound is represented by the general formula R n AlX 3-n wherein R is an alkyl group or an aryl group having from 1 to 18 carbon atoms, X is a halogen atom, an alkoxy group or a hydrogen atom, and n is in the range of 1 to 3.

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