EP0591756A2
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EP
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Polymerization catalysts and process for producing polymers
Assignee: Idemitsu Kosan Co Ltd
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Filing: 1993-09-22
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Granted: —
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Expires: 2013-09-22
Abstract
Abstract A polymerization catalyst comprising a polycation complex (A) represented by the following Formula, [(CUHC) n MX m ] j ⁺·([Y]⁻) j ; [(CUHC): a cyclic unsaturated hydrocarbon group], more particularly, a polymerization catalyst comprising the reaction product of a transition metal compound and an ionic compound (b) capable of forming an ionic complex when reacted with a transition metal compound, and the above-mentioned compound (b), is disclosed.
Inventors
- 👤 Shoji c/o Idemitsu Kosan Co. Ltd. Naganuma
- 👤 Masami c/o Idemitsu Kosan Co. Ltd. Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 22:08
CPC Classifications
C; C08; C08F; C08F10/00; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/64; C08F4/659; C08F4/65908; C08F4/65912; C08F4/6592
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
173 words
A polymerization catalyst comprising a polycation complex (A) represented by the following Formula (I): [(CUHC) n MX m ] j+ ·([Y]⁻) j (I) wherein M is a metal of Groups 3 to 10 or the Lanthanide Series of the Periodic Table; CUHC is a cyclic unsaturated hydrocarbon group; CUHC may be the same as or different from each other; two or more of CUHC may form a bridge structure; X is a σ-bond ligand, chelate ligand or Lewis base; X may be the same as or different from each other; CUHC and X may form a bridge; j is an integer of from 2 to 4; n is an integer of from 0 to 2, m is an integer of from 0 to 6; n + m is a number, [(the valency of M) - j]; and at least one of [Y]⁻ is a noncoordinating anion wherein a plurality of groups are attached to an element selected from Groups 13 to 15 of the Periodic Table, and the Lewis base may be coordinated.
Claim 2
Dependent Claim
54 words
A polymerization catalyst according to Claim 1, wherein the Polycation Complex (A) is composed of the reaction product of the following Compound (a) and Compound (b), and the Compound (b). (a) a transition metal compound; and (b) an ionic compound capable of forming an ionic complex when reacted with the transition metal compound (a).
Claim 3
Dependent Claim
28 words
A polymerization catalyst according to Claim 1 or 2, wherein at least one of the noncoordinating anions, [Y]⁻ which forms the polycation complex, is trifluoromethanesulfonic acid anion [CF₃SO₃]⁻.
Claim 4
Dependent Claim
38 words
A polymerization catalyst according to any one of Claims 1 to 3, wherein at least one of the noncoordinating anions, [Y]- which forms the polycation complex, is an anion wherein a plurality of groups are attached to boron.
Claim 5
Dependent Claim
21 words
A polymerization catalyst according to Claim 1, which comprises, as catalyst components, the polycation complex (A) and an organoaluminum compound (B).
Claim 6
Dependent Claim
26 words
A polymerization catalyst according to Claim 1, wherein at least one of the polycation complex (A) and the organoaluminum compound (B) is supported on a carrier.
Claim 7
Dependent Claim
20 words
A polymerization catalyst according to Claim 1, which comprises, as catalyst components, the polycation complex (A) and Lewis acid (C).
Claim 8
Dependent Claim
26 words
A polymerization catalyst according to Claim 7, wherein at least one of the polycation complex (A) and the Lewis acid (C) is supported on a carrier.
Claim 9
Dependent Claim
25 words
A polymerization catalyst according to Claim 1, which comprises, as catalyst components, the polycation complex (A), the organoaluminum compound (B) and the Lewis acid (C).
Claim 10
Dependent Claim
30 words
A polymerization catalyst according to Claim 9, wherein at least one of the polycation complex (A), the organoalumium compound (B) and the Lewis acid (C) is supported on a carrier.
Claim 11
Dependent Claim
31 words
A process for producing a polymer, which comprises subjecting a monomer to homopolymerization or copolymerization in the presence of the polymerization catalyst according to any one of Claims 1 to 10.
Claim 12
Dependent Claim
43 words
A process for producing a polymer, which comprises subjecting an olefin to hompolymerization or subjecting an olefin and the other olefins or the other monomers to copolymerization in the presence of the polymerization catalyst according to any one of Claims 1 to 10.
References Cited (Backward Citations)
No citation records indexed.
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