US3674755A
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Process for copolymerizing alpha-monoolefins with or without a polyene,using catalyst comprising organoaluminum compound and vanadyl compound containing cyclic hydrocarbon group
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1969-07-23
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Granted: 1972-07-04
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Expires: 1989-07-23
Abstract
Abstract Ethylene, propylene and similar olefins, with or without a conjugated or non-conjugated polyene (e.g., isoprene, 1,4hexadiene, 5-ethylidene-2-norbornene) are copolymerized in solution with a catalyst based on organoaluminum compound (e.g., ethylaluminum sesquichloride) and vanadyl compound of the type VO(ORm)X3 m where R is cyclic hydrocarbon, X is halogen and m is 1 to 3 (e.g., vanadyl tricyclohexoide, monovanadyl dicyclohexoxide, dichlorovanadyl bornyloxide, monochlorovanadyl dinorbornyloxide). Use of a vanadyl compound having a cyclic hydrocarbon substituent provides a catalyst having enhanced ability to incorporate diene, including conjugated diene, into the copolymer.
Inventors
- 👤 Keisaku Yamamoto
- 👤 Hiroyoshi Takao
- 👤 Masaaki Hirooka
- 👤 Teruo Oshima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:03
CPC Classifications
C; C08; C08F; C08F210/00
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
18 words
A method as in claim 1 in which a polyene is present, said polyene being a non-conjugated diene.
Claim 2
Dependent Claim
18 words
A method as in claim 1 in which a polyene is present, said polyene being a conjugated diene.
Claim 3
Dependent Claim
15 words
A method as in claim 1 in which the said cyclic hydrocarbon radical is cyclohexyl.
Claim 4
Dependent Claim
14 words
A method as in claim 4 in which the vanadium compound is vanadyl tricyclohexoxide.
Claim 5
Dependent Claim
13 words
A method as in claim 4 in which the vanadium compound is monochlorovanadyl-dicyclohexoxide.
Claim 6
Dependent Claim
14 words
A method as in claim 1 in which said cyclic hydrocarbon radical is bornyl.
Claim 7
Dependent Claim
13 words
A method as in claim 7 in which the vanadium compound is dichlorovanadylbornyloxide.
Claim 8
Dependent Claim
14 words
A method as in claim 1 in which said cyclic hydrocarbon radical is norbornyl.
Claim 9
Dependent Claim
13 words
A method as in claim 9 in which the vanadium compound is monochlorovanadyl-dinorbornyloxide.
Claim 10
Dependent Claim
14 words
A method as in claim 1 in which (B) is an alkyl aluminum halide.
Claim 11
Dependent Claim
17 words
A method as in claim 11 in which the alkyl aluminum halide is an alkyl aluminum sesquihalide.
Claim 12
Dependent Claim
17 words
A method as in claim 11 in which the alkyl aluminum halide is an alkyl aluminum dihalide.
Claim 13
Dependent Claim
13 words
A method as in claim 1 in which (B) is a trialkyl aluminum.
Claim 14
Independent Claim
159 words
A method for preparing an olefinic hydrocarbon copolymer which comprises contacting ethylene and an alpha-olefin having 3 to 20 carbon atoms, with or without a polyene compound, with (A) a vanadium compound having the general formula VO(OR)mX3 m, in which R is a cyclic hydrocarbon radical selected from the group consisting of cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, 3-cyclopentenyl, 2-cyclohexenyl, 2-cycloheptenyl, 4-cyclooctenyl, 2-methyl-cyclopentenyl, 3-tertiary-butyl-cyclohexyl, 4-phenyl-cyclohexyl, 1,3-dimethyl-cyclohexyl, 3-methyl-6-isopropyl-cyclohexyl, cyclopentyl-methyl, cyclohexyl-ethyl, cycloheptyl-ethyl, 2,2-biscyclo-hexyl-ethyl, 2-norbornyl, bornyl, 5-norbornen-2-yl, 3-pinanyl, cyclopentane-spiro-cyclobutan-3-yl, spiro-bicyclohexan-4-yl, 2-indenyl, and 1-indanyl, X is a halogen atom and m is an integer from 1 to 3, and (B) an organo-aluminum compound having the general formula AlR''nX''3 n, in which R'' is a hydrocarbon radical having 1 to 20 carbon atoms, X'' is a halogen atom, and n is a number from 1 to 3, the concentration of (A) in the reaction medium being from 0.1 to 10 millimoles per liter and the molar ratio of (B) to (A) being from 2:1 to 300:1.
Claim 15
Dependent Claim
18 words
A method as in claim 15 in which a polyene is present, said polyene being a non-conjugated diene.
Claim 16
Dependent Claim
18 words
A method as in claim 15 in which a polyene is present, said polyene being a conjugated diene.
Claim 17
Dependent Claim
15 words
A method as in claim 3 in which the said cyclic hydrocarbon radical is cyclohexyl.
Claim 18
Dependent Claim
14 words
A method as in claim 18 in which the vanadium compound is vanadyl tricyclohexoxide.
Claim 19
Dependent Claim
13 words
A method as in claim 18 in which the vanadium compound is monochlorovanadyl-dicyclohexoxide.
Claim 20
Dependent Claim
14 words
A method as in claim 3 in which said cyclic hydrocarbon radical is bornyl.
Claim 21
Dependent Claim
13 words
A method as in claim 21 in which the vanadium compound is dichlorovanadylbornyloxide.
Claim 22
Dependent Claim
14 words
A method as in claim 3 in which said cyclic hydrocarbon radical is norbornyl.
Claim 23
Dependent Claim
14 words
A method as in claim 23 in which the vanadium compound is monochlorovanadyl dinorbornyloxide.
Claim 24
Dependent Claim
14 words
A method as in claim 3 in which (B) is an alkyl aluminum halide.
Claim 25
Dependent Claim
17 words
A method as in claim 25 in which the alkyl aluminum halide is an alkyl aluminum sesquihalide.
Claim 26
Dependent Claim
17 words
A method as in claim 25 in which the alkyl aluminum halide is an alkyl aluminum dihalide.
Claim 27
Dependent Claim
13 words
A method as in claim 3 in which (B) is a trialkyl aluminum.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |