EP0314131A2
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EP
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Solid catalyst component for olefin polymerization
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1988-10-27
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Granted: —
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Expires: 2008-10-27
Abstract
Abstract A solid catalyst component for olefin polymerization which comprises a catalyst component comprising at least titanium and chlorine fixed onto a porous substance of which the pore volume, at a pore radius in a range of from 200 to 2,000 Å, is 0.3 cc/g or more, said pore volume is 35% or more of the pore volume at a pore radius in a range of from 35 to 75,000 Å, the average particle diameter is from 5 to 300 µm, the geometrical standard deviation of the particle size distribution is 2 or less and the solubility in toluene at 100°C is 30 wt.% or less.
Inventors
- 👤 Toshio Sasaki
- 👤 Takeshi Ebara
- 👤 Kiyoshi Kawai
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 05:18
CPC Classifications
C; C08; C08F; C08F10/00; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/64; C08F4/65; C08F4/652; C08F4/654; Y; Y10; Y10S; Y10S526/00; Y10S526/904; Y10S526/908
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
105 words
A solid catalyst component for olefin polymerization which comprises a catalyst component comprising at least titanium and chlorine fixed onto a porous substance of which the pore volume, at a pore radius in a range of from 200 to 2,000 Å is 0.3 cc/g or more, said pore volume is 35% or more of the pore volume at a pore radius in a range of from 35 to 75,000 Å, the average particle diameter is from 5 to 300 µm, the geometrical standard deviation of the particle size distribution is 2 or less and the solubility in toluene at 100°C is 30 wt.% or less.
Claim 2
Dependent Claim
105 words
A solid catalyst component for olefin polymerization which comprises a catalyst component comprising at least titanium and chlorine fixed onto a porous substance of which the pore volume, at a pore radius in a range of from 200 to 2,000 Å is 0.3 cc/g or more, said pore volume is 35% or more of the pore volume at a pore radius in a range of from 35 to 75,000 Å, the average particle diameter is from 5 to 300 µm, the geometrical standard deviation of the particle size distribution is 2 or less and the solubility in toluene at 100°C is 30 wt.% or less.
Claim 3
Dependent Claim
26 words
A solid catalyst component for olefin polymerization according to Claim 1, wherein the porous substance is at least one porous inorganic oxide or porous organic polymer.
Claim 4
Dependent Claim
20 words
A solid catalyst component for olefin polymerization according to Claim 1, wherein the porous substance is a porous organic polymer.
Claim 5
Dependent Claim
26 words
A solid catalyst component for olefin polymerization according to Claim 2, wherein the porous inorganic oxide is SiO₂, Al₂O₃, MgO, TiO₂, ZrO₂, SiO₂·Al₂O₃, MgO·Al₂O₃, or MgO·SiO₂·Al₂O₃.
Claim 6
Dependent Claim
29 words
A solid catalyst component for olefin polymerization according to any one of Claims 2 or 3, wherein the porous organic polymer is a polystyrene-series, polyvinylchloride-series, polyolefin-series or polyacrylonitrile-series polymer.
Claim 7
Dependent Claim
22 words
A solid catalyst component for olefin polymerization according to Claim 5, wherein the porous organic polymer is styrene-divinylbenzene copolymer or acrylonitrile-divinylbenzene copolymer.
Claim 8
Dependent Claim
35 words
A solid catalyst component for olefin polymerization according to any one of Claims 1 to 6,wherein the catalyst component comprising at least titanium and chlorine is a titanium trichloride-type catalyst or a titanium/magnesium composite-type catalyst.
Claim 9
Dependent Claim
55 words
A solid catalyst component according to Claim 7 , wherein the catalyst component is fixed onto the porous substance by a method comprising reducing an alkoxytitanium compound with an organo-magnesium compound in the coexsistence of the porous substance, and then treating the resulting solid product with a mixture of an ether compound and titanium tetrachloride.
Claim 10
Dependent Claim
49 words
A solid catalyst component for olefin polymerization according to Claim 7, wherein the catalyst component is fixed onto the porous substance by a method comprising reducing an alkoxytitanium compound with an organomagnesium compound in the coexistence of an organosilicone compound having an Si-O bond and an organic porous polymer.
Claim 11
Dependent Claim
40 words
A solid catalyst component for olefin polymerization according to any one of claims 1 to 9, wherein the amount of the catalyst component to be fixed is from 1 to 70 wt.% as a content in the solid catalyst component.
Claim 12
Dependent Claim
70 words
A solid catalyst component according to any one of Claims 7 to 9, wherein the titanium compound for producing the titanium trichloride type catalyst or the titanium/magnesium composite-type catalyst is one represented by the general formula Ti(OR¹)a Xb (wherein R¹ is C₁-C₂₀ hydrocarbon residue, X is halogen atom, a is 0 ≦ a ≦ 4, b is 0 ≦ b ≦ 4, and a + b = 3 or 4).
Claim 13
Dependent Claim
41 words
A solid catalyst component for olefin polymerization according to any one of Claims 7 to 9, wherein the magnesium compound for producing the titanium/magnesium composite-type catalyst is a magnesium compound containing a magnesium-carbon bond or magnesium-hydrogen bond having a reducing power.
Claim 14
Dependent Claim
34 words
A solid catalyst component for olefin polymerization according to any one of Claims 7 to 9, wherein the magnesium compound for producing the titanium/magnesium composite catalyst is a magnesium compound having no reducing power.
Claim 15
Dependent Claim
33 words
A solid catalyst component for olefin polymerization according to Claim 12, wherein the magnesium compound having a reducing power is diethylmagnesium, dibutylmagnesium, dihexylmagnesium, ethylmagnesium chloride, butylmagnesium chloride, hexylmagnesium chloride, butylethoxymagnesium or butylmagnesium hydride.
Claim 16
Dependent Claim
28 words
A solid catalyst component for olefin polymerization according to Claim 13, wherein the magnesium compound having no reducing power is magnesium dihalide, alkoxymagnesium compound, or carboxylate of magnesium.
References Cited (Backward Citations)
No citation records indexed.
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