EP0111903A2
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EP
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Olefin polymerization catalysts and process for producing olefin polymers by using such catalysts
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1983-12-15
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Granted: —
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Expires: 2003-12-15
Abstract
Abstract A catalyst system for the polymerization of olefins comprising: (A) a solid catalyst component containing hydrocarbyloxy groups obtained by reacting a titanium compound represented by the general formula Ti(OR1) n X 3-n (wherein R 1 is a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom, and n is a number defined by 0 < n ≦ 3) with an ether compound and titanium tetrachloride in a slurry state in the presence of a magnesium halide, and (B) an organoaluminum compound.
Inventors
- 👤 Akinobu Shiga
- 👤 Toshio Sasaki
- 👤 Junpei Kojima
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 22:58
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
87 words
A catalyst system for the polymerization of olefins comprising: (A) a solid catalyst component containing hydrocarbyloxy groups obtained by reacting a titanium compound represented by the general formula Ti(OR 1 ) n X 3-n (wherein R 1 is a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom, and n is a number defined by 0 < n ≦ 3) with an ether compound and titanium tetrachloride in a slurry state in the presence of a magnesium halide, and (B) an organoaluminum compound.
Claim 2
Dependent Claim
87 words
A catalyst system for the polymerization of olefins comprising: (A) a solid catalyst component containing hydrocarbyloxy groups obtained by reacting a titanium compound represented by the general formula Ti(OR 1 ) n X 3-n (wherein R 1 is a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom, and n is a number defined by 0 < n ≦ 3) with an ether compound and titanium tetrachloride in a slurry state in the presence of a magnesium halide, and (B) an organoaluminum compound.
Claim 3
Dependent Claim
113 words
A catalyst system according to Claim 1, wherein the magnesium halide is one produced by reacting an organomagnesium compound and an aluminum halide compound represented by the general formula R 2 m AlX 3-m (wherein R 2 is an alkyl, aryl or alkenyl group having 1 to 8 carbon atoms, or a halogen atom, and m is a number defined by 0≦ m < 3) and/or a silicon halide compound represented by the general formula R 3 ℓ SiX 4-ℓ (wherein R 3 is an alkyl, aryl or alkenyl group having 1 to 8 carbon atoms, X is a halogen atom, and ℓ, is a number defined by 0 ≦ ℓ, < 4).
Claim 4
Dependent Claim
25 words
A catalyst system according to Claim 1, wherein X in the general formula Ti(OR 1 ) n X 3-n representing a titanium compound is chloride.
Claim 5
Dependent Claim
49 words
A catalyst system according to Claim 1, wherein the hydrocarbon group R 1 in the titanium compound represented by the general formula Ti (OR 1 ) n X 3-n is an alkyl group having 2 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms.
Claim 6
Dependent Claim
16 words
5 . A catalyst system according to Claim I, wherein the ether compound is dialkyl ether.
Claim 7
Dependent Claim
40 words
6 . A catalyst system according to Claim 1, wherein the amount of the ether compound added is 0.1 to 5 moles to one mole of the compound of the general formula Ti (OR 1 ) n X 3-n .
Claim 8
Dependent Claim
36 words
A catalyst system according to Claim 1, wherein the amount of titanium tetrachloride added is 0.1 to 10 moles to one mole of the compound of the general formula Ti(OR 1 ) n X 3-n .
Claim 9
Dependent Claim
37 words
A catalyst system according to Claim 1, wherein the amount of the hydrocarbyloxy groups contained in the solid catalyst component is 0.001 to 0.3 mole to one mole of a titanium atom in said solid catalyst component.
Claim 10
Dependent Claim
36 words
A catalyst system according to Claim 1, wherein the amount of titanium atom contained in the solid catalyst component is 0.01 to 2.0 moles to one mole of a magnesium atom in said solid catalyst component.
Claim 11
Dependent Claim
89 words
A process for producing olefin polymers by using a catalyst system comprising: (A) a solid catalyst component containing hydrocarbyloxy groups obtained by reacting a titanium compound represented by the general formula Ti(OR 1 ) n X 3-n (wherein R 1 is a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom, and n is a number defined by 0 < n ≦ 3) with an ether compound and titanium tetrachloride in a slurry state in the presence of magnesium halide, and (B) an organoaluminum compound.
Claim 12
Dependent Claim
89 words
A process for producing olefin polymers by using a catalyst system comprising: (A) a solid catalyst component containing hydrocarbyloxy groups obtained by reacting a titanium compound represented by the general formula Ti(OR 1 ) n X 3-n (wherein R 1 is a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom, and n is a number defined by 0 < n ≦ 3) with an ether compound and titanium tetrachloride in a slurry state in the presence of magnesium halide, and (B) an organoaluminum compound.
Claim 13
Dependent Claim
114 words
A process according to Claim 10, wherein the magnesium halide is one produced by reacting an organomagnesium compound with an aluminum halide compound represented by the general formula R 2 m AlX 3-m (wherein R 2 is an alkyl, aryl or alkenyl group having 1 to 8 carbon atoms, X is a halogen atom, and m is a number defined by 0 ≦ m < 3) and/or a silicon halide compound represented by the general formula R 3 ℓ SiX 4-ℓ (wherein R 3 is an alkyl, aryl or alkenyl group having 1 to 8 carbon atoms, X is a halogen atom, and ℓ, is a number defined by 0 ≦ ℓ, < 4).
Claim 14
Dependent Claim
24 words
A process according to Claim 10, wherein X in the general formula Ti(OR 1 ) n X 3-n representing a titanium compound is chlorine.
Claim 15
Dependent Claim
47 words
A process according to Claim 10, wherein the hydrocarbon group R 1 in the titanium compound represented by the general formula Ti(OR 1 ) n X 3-n is an alkyl group having 2 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms.
Claim 16
Dependent Claim
13 words
A process according to Claim 10, wherein the ether compound is dialkyl ether.
Claim 17
Dependent Claim
36 words
A process according to Claim 10, wherein the amount of the ether compound added is 0.1 to 5 moles to one mole of the compound of the general formula Ti(OR 1 ) n X 3-n .
Claim 18
Dependent Claim
36 words
A process according to Claim 10, wherein the amount of titanium tetrachloride added is 0.1 to 10 moles to one mole of the compound of the general formula Ti (OR 1 ) n X 3-n .
Claim 19
Dependent Claim
38 words
1 7 . A process according to Claim 10, wherein the amount of hydrocarbyloxy groups contained in the solid catalyst component is 0.001 to 0.3 mole to one mole of a titanium atom in said solid catalyst component.
Claim 20
Dependent Claim
35 words
A process according to Claim 10, wherein the amount of titanium atom contained in the solid catalyst component is 0.01 to 2.0 moles to one mole of a magnesium atom in said solid catalyst component.
References Cited (Backward Citations)
No citation records indexed.
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