EP0283958A2
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Olefin polymer and process for production thereof
Assignee: Idemitsu Kosan Co Ltd
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Filing: 1988-03-18
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Granted: —
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Expires: 2008-03-18
Abstract
Abstract Disclosed are an olefin polymer having a recurring unit represented by the following formula: (wherein m indicates an integer of at least 1) and an olefin polymer having a recurring unit represented by the following formula: (wherein R⁵ represents a hydrogen atom or an alkyl group of 1-4 carbon atoms) and a recurring unit represented by the formula: (wherein n indicates an integer of at least 1). Processes for production of these polymer and copolymer are also disclosed.
Inventors
- 👤 Masahiko Idemitsu Kosan Company Ltd. Kuramoto
- 👤 Masakazu Idemitsu Kosan Company Ltd. Abe
- 👤 Masami Idemitsu Kosan Company Ltd. Watanabe
- 👤 Michitake Idemitsu Kosan Company Ltd. Uoi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 03:39
CPC Classifications
C; C08; C08F; C08F10/00; C08F10/14; C08F10/04; C08F110/00; C08F110/14
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
23 words
An olefin polymer which has the recurring unit represented by the following formula [1]: wherein m represents an integer of at least 1.
Claim 2
Dependent Claim
23 words
An olefin polymer which has the recurring unit represented by the following formula [1]: wherein m represents an integer of at least 1.
Claim 3
Dependent Claim
11 words
An olefin polymer according to claim 1 wherein m is 1-3.
Claim 4
Dependent Claim
52 words
A process for producing an olefin polymer which comprises polymerizing an olefinic hydrocarbon represented by the following formula [2]: wherein n represents an integer of at least 1, in the presence of a catalyst mainly composed of a transition metal compound and an organometallic compound of Groups I-V in the periodic table.
Claim 5
Dependent Claim
52 words
A process for producing an olefin polymer which comprises polymerizing an olefinic hydrocarbon represented by the following formula [2]: wherein n represents an integer of at least 1, in the presence of a catalyst mainly composed of a transition metal compound and an organometallic compound of Groups I-V in the periodic table.
Claim 6
Dependent Claim
39 words
A process according to claim 3 wherein the olefinic hydrocarbon is a propylene oligomer obtained by polymerizing propylene in the presence of a catalyst comprising a condensation product of an organoaluminum compound and water and an alkyl-substituted cyclopentadienyl compound.
Claim 7
Dependent Claim
58 words
A process accoding to claim 4 wherein the organoaluminum compound is a compound represented by the following formula: AlR 1 3 AlR²₂Y or Al₂R³₃Y wherein R¹, R² and R³ each represents a cycloalkyl group, an aryl group or an alkyl group of 1-10 carbon atoms and Y represents a hydrogen atom, a halogen atom or an alkoxy group.
Claim 8
Dependent Claim
31 words
A process according to claim 4 wherein the organoaluminum compound is a trialkylaluminum compound represented by the formula: AlR 4 3 wherein R⁴ represents an alkyl group of 1-5 carbon atoms.
Claim 9
Dependent Claim
84 words
A process according to claim 4 wherein the alkyl-substituted cyclopentadienyl compound is a compound represented by the following formula: [R t (C₅H 5-t )] s ·M·X₄₋₅ wherein R represents an alkyl group of 1-20 carbon atoms, R t (C₅H 5-t ) represents an alkyl-substituted cyclopentadienyl group, t represents an integer of 1-5, M represents a zirconium atom or hafnium atom, X represents a hydrogen atom, an alkyl group of 1-20 carbon atoms or a halogen atom and s represents a real number of 1-4.
Claim 10
Dependent Claim
20 words
A process according to claim 4 wherein the organoaluminum compound is trimethylaluminum and the alkyl-substituted cyclopentadienyl compound is bis(pentamethylcyclopentadienyl)hafnium dichloride.
Claim 11
Dependent Claim
31 words
A process according to claim 3 wherein the catalyst mainly composed of the transition metal compound and the organometallic compound of Groups I-V of the periodic table is a Ziegler-Natta catalyst.
Claim 12
Dependent Claim
20 words
10 A process according to claim 3 wherein the catalyst is prepared from a titanium halide and an organoaluminum compound.
Claim 13
Dependent Claim
38 words
A process according to claim 3 wherein the catalyst is a highly active catalyst prepared from a solid catalyst component obtained by contacting a magnesium alkoxide, an electron donating compound and a titanium halide and an organoaluminum compound.
Claim 14
Dependent Claim
47 words
An olefin copolymer which has the recurring unit represented by the following formula [3]: wherein R⁵ represents a hydrogen atom or an alkyl group of 1-4 carbon atoms and the recurring unit represented by the following formula [1]: wherein m represents an integer of at least 1.
Claim 15
Dependent Claim
47 words
An olefin copolymer which has the recurring unit represented by the following formula [3]: wherein R⁵ represents a hydrogen atom or an alkyl group of 1-4 carbon atoms and the recurring unit represented by the following formula [1]: wherein m represents an integer of at least 1.
Claim 16
Dependent Claim
15 words
An olefin copolymer according to claim 12 wherein m in the formula [1] is 1-3.
Claim 17
Dependent Claim
83 words
A process for producing an olefin copolymer which comprises polymerizing an olefinic hydrocarbon represented by the following formula [4]: CH₂ = CH - R⁵ [4] wherein R⁵ represents a hydrogen atom or an alkyl group of 1-4 carbon atoms and an olefinic hydrocarbon represented by the following formula [2]: wherein n represents an integer of at least 1, in the presence of a catalyst mainly composed of a transition metal compound and an organometallic compound of the Groups I-V of the periodic table.
Claim 18
Dependent Claim
83 words
A process for producing an olefin copolymer which comprises polymerizing an olefinic hydrocarbon represented by the following formula [4]: CH₂ = CH - R⁵ [4] wherein R⁵ represents a hydrogen atom or an alkyl group of 1-4 carbon atoms and an olefinic hydrocarbon represented by the following formula [2]: wherein n represents an integer of at least 1, in the presence of a catalyst mainly composed of a transition metal compound and an organometallic compound of the Groups I-V of the periodic table.
Claim 19
Dependent Claim
44 words
A process according to claim 14 wherein the olefinic hydrocarbon represented by the formula [2] is a propylene oligomer obtained by polymerizing propylene in the presence of a catalyst comprising a condensation product of an organoaluminum compound and water and an alkyl-substituted cyclopentadienyl compound.
Claim 20
Dependent Claim
58 words
A process according to claim 15 wherein the organoaluminum compound is a compound represented by the following formula: AlR 1 3 AlR²₂Y or Al₂R³₃Y wherein R¹, R² and R³ each represents a cycloalkyl group, an aryl group or an alkyl group of 1-10 carbon atoms and Y represents a hydrogen atom, a halogen atom or an alkoxy group.
Claim 21
Dependent Claim
30 words
A process according to claim 15 wherein the organoaluminum compound is a trialkylaluminum represented by the formula: AlR 4 3 wherein R⁴ represents an alkyl group of 1-5 carbon atoms.
Claim 22
Dependent Claim
84 words
A process according to claim 15 wherein the alkyl-substituted cyclopentadienyl compound is a compound represented by the following formula: [R t (C₅H 5-t )] s ·M·X₄₋₅ wherein R represents an alkyl group of 1-20 carbon atoms, R t (C₅H 5-t ) represents an alkyl-substituted cyclopentadienyl group, t represents an integer of 1-5, M represents a zirconium atom or hafnium atom, X represents a hydrogen atom, an alkyl group of 1-20 carbon atoms or a halogen atom and s represents a real number of 1-4.
Claim 23
Dependent Claim
20 words
A process according to claim 15 wherein the organoaluminum compound is trimethylaluminum and the alkyl-substituted cyclopentadienyl compound is bis(pentamethylcyclopentadienyl)hafnium dichloride.
Claim 24
Dependent Claim
31 words
A process according to claim 15 wherein the catalyst mainly composed of the transition metal compound and the organometallic compound of Groups I-V of the periodic table is a Ziegler-Natta catalyst.
Claim 25
Dependent Claim
19 words
A process according to claim 15 wherein the catalyst is prepared from a titanium halide and an organoaluminum compound.
Claim 26
Dependent Claim
38 words
A process according to claim 15 wherein the catalyst is a highly active catalyst prepared from a solid catalyst component obtained by contacting a magnesium alkoxide, an electron donating compound and a titanium halide and an organoaluminum compound.
References Cited (Backward Citations)
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