WO2005100409A1 - Catalyst component for ethylene polymerisation, preparation process thereof, and catalyst containing the same - Google Patents
Catalyst component for ethylene polymerisation, preparation process thereof, and catalyst containing the same Download PDFInfo
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- WO2005100409A1 WO2005100409A1 PCT/CN2005/000469 CN2005000469W WO2005100409A1 WO 2005100409 A1 WO2005100409 A1 WO 2005100409A1 CN 2005000469 W CN2005000469 W CN 2005000469W WO 2005100409 A1 WO2005100409 A1 WO 2005100409A1
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- compound
- organic
- catalyst
- polymerization
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
- C08F4/652—Pretreating with metals or metal-containing compounds
- C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
- C08F2410/06—Catalyst characterized by its size
Definitions
- Catalyst component for polymerization with dry ethylene its preparation
- the present invention relates to a catalyst component for ethylene polymerization, a method for preparing the catalyst component, a catalyst containing the catalyst component, and a method for ethylene polymerization using the catalyst.
- the catalyst system containing T i / Mg composites dominates the industrialized production of polyethylene.
- the core of its research lies in the polymerization activity of the catalyst, the particle morphology and particle size distribution of the catalyst, and the hydrogen sensitivity of the catalyst And copolymerization properties, etc.
- ethylene especially the slurry polymerization of ethylene, it is easy to produce finer polymer particles. This fine powder is liable to generate static electricity during the post-treatment process, causing "dust,” and sometimes agglomeration. Causes equipment blockage.
- the most effective way to control the particle size and particle size distribution of the polymer is to control the particle size and particle size distribution of the catalyst.
- the first is to dissolve magnesium compounds such as magnesium chloride in some solvents to obtain a homogeneous solution, and then mix the solution with a titanium compound and optionally an electron donor to obtain magnesium, titanium and optional Electron solid matter, and the solid matter is treated with an excess of a liquid titanium compound to obtain particles of a main catalyst component.
- the main catalyst component is contacted with a cocatalyst component to form a catalyst.
- Chinese patent CN1099041A US5459116
- CN1229092 US6617278B1
- CN85100997 US4784983
- the disadvantage of this traditional method is that the particle size and particle size distribution of the catalyst particles are completely controlled by the precipitation process, and its stability is difficult to control.
- the second is to directly support the active component of the catalyst on an inert support such as silica. Since the particle diameter of the silica is easy to control and the particle morphology is good, catalyst particles with uniform particles can be obtained. However, due to the limited loading of the active components on the support, the catalyst prepared by this method has a low titanium content and a low polymerization activity.
- the preparation method of the catalyst is as follows: MgCl 2 is reacted with TiCl 4 in THF, and then treated with alkyl aluminum SiO 2 was mixed, and THF was removed to prepare a main catalyst component.
- An object of the present invention is to provide a catalyst component for ethylene polymerization, which comprises A reaction product containing a magnesium complex supported on an inorganic oxide support, at least one titanium compound, at least one organic alcohol compound, and at least one organic aluminum;
- the magnesium complex is formed by dissolving a magnesium oxide in a solvent system containing an organic epoxy compound and an organic phosphorus compound.
- the organic alcohol compound is a linear, branched or cycloalkyl alcohol having 1 to 10 carbon atoms,
- the general formula of the organoaluminum compound is AIR 1 ⁇ , where R is independently hydrogen, hydrocarbon groups having 1 to 20 carbon atoms, X 1 is independently halogen, and n is a number of 0 ⁇ n ⁇ 3. ;
- Another object of the present invention is to provide a method for preparing the catalyst component of the present invention, including (i) dissolving a magnesium halide in a solvent system containing an organic epoxy compound and an organic phosphorus compound to form a homogeneous solution; in the process of forming a solution Or the organic alcohol compound is added after the solution is formed; the organic aluminum compound is added after the solution is formed, and the organic alcohol compound and the organic aluminum compound may be added simultaneously or separately; and
- an inorganic oxide support In the presence of an inorganic oxide support, the above solution is contacted with a titanium compound at a lower temperature.
- the inorganic oxide support may be added before or after the solution is contacted with the titanium compound, and the mixture is slowly heated to 60 ° C-100 ° C, the solids are gradually precipitated on the support to obtain the catalyst component of the present invention.
- Yet another object of the present invention is to provide a catalyst for the polymerization of ethylene, including the product of the following reaction:
- a further of the present invention is to provide an ethylene polymerization process, comprising at polymerization conditions ethylene and optionally a C 3 - 2.
- the ⁇ -olefin or vinyl aromatic monomer is contacted with the catalyst of the present invention.
- the invention provides a catalyst component for the polymerization of ethylene, comprising a reaction product of a rhenium complex supported on an inorganic oxide support, at least one titanium compound, at least one organic alcohol compound, and at least one organic aluminum;
- the magnesium complex is obtained by dissolving magnesium hydride in a solvent system containing an organic epoxy compound and an organic phosphorus compound.
- the organic alcohol compound is a linear, branched or cycloalkyl alcohol having 1 to 10 carbon atoms,
- the general formula of the organoaluminum compound is AIR ⁇ , where R 1 is independently hydrogen, a hydrocarbon group having 1 to 20 carbon atoms, X 1 is independently halogen, and ⁇ is a number of 0 ⁇ ⁇ 3, so
- polymerization includes homopolymerization and copolymerization.
- polymer includes homopolymers, copolymers, and terpolymers.
- catalyst component refers to a main catalyst component or a procatalyst, which together with a cocatalyst component forms a catalyst for the polymerization of ethylene.
- Inorganic oxides commonly used as catalyst supports in the art are suitable as supports in the ethylene polymerization catalyst component of the present invention, but silicon, aluminum, titanium, chromium, and zirconium oxides or mixtures thereof are preferred, and most preferred Silica materials, trialumina materials, or mixtures thereof.
- the shape of the silica support is spherical, and its average particle diameter is 1-50 ⁇ m, preferably 5-30 ⁇ m. Its surface area is usually> 200 m 2 / g, preferably> 250 m 2 / g.
- the average porosity is preferably from 1.4 to 1.8 ml / g.
- This carrier material should be dry, ie not If it contains adsorbed water, it is preferably activated at> 600 ° C before use, or optionally activated with an aluminum alkyl.
- the magnesium compound according to the present invention is a compound formed by dissolving magnesium bis (bis) 2 in a solvent system containing an organic epoxy compound and an organic stele compound.
- the complex should be a uniform and transparent solution.
- the magnesium halide is selected from the group consisting of magnesium dihalide, water or alcohol of magnesium dihalide, one or two of the magnesium dihalide molecular formulas, and derivatives in which the 3 ⁇ 4 atom is replaced by a hydrocarbyl group or a 3 ⁇ 4alkoxy group.
- Specific compounds include: magnesium dichloride, magnesium dibromide, phenoxymagnesium chloride, isopropoxymagnesium chloride, butoxymagnesium chloride, and the like, among which magnesium dichloride is preferred.
- the magnesium halide compounds may be used alone or in combination.
- the organic epoxy compound described in the solvent system is at least one selected from the group consisting of aliphatic olefins having 2 to 8 carbon atoms, diolefins or 1 ⁇ 2 generation aliphatic olefins or diolefin oxides, glycidyl ethers and lactones. .
- aliphatic olefins having 2 to 8 carbon atoms
- diolefins or 1 ⁇ 2 generation aliphatic olefins or diolefin oxides glycidyl ethers and lactones.
- glycidyl ethers glycidyl ethers and lactones.
- the organic phosphorus compound described in the solvent system is at least one of a hydrocarbon ester or a halogenated hydrocarbon ester of orthophosphoric acid or phosphorous acid.
- a hydrocarbon ester or a halogenated hydrocarbon ester of orthophosphoric acid or phosphorous acid Specific examples: Trimethyl orthophosphate, triethyl orthophosphate, tributyl orthophosphate, triphenyl orthophosphate, trimethyl phosphite, triethyl phosphite, tributyl orthophosphate .
- the amount of the organic epoxide compound is 0.2 to 10 mol, preferably 0.5 to 4 mol per mol of the magnesium halide, and the amount of the organic phosphorus compound is 0.1 to 10 mol, preferably 0.2 to 4 mol.
- an inert diluent can be optionally added to the solvent system.
- such inert diluents can be aromatic compounds or alkanes, as long as they help dissolve the magnesium halide.
- aromatic hydrocarbon compounds include benzene, toluene, xylene, monochlorobenzene, dichlorobenzene, trichlorobenzene, monochlorotoluene and derivatives thereof;
- alkanes include linear paraffins of 3 to 20 carbons, Branched or alkane, such as butane, pentane, hexane, cyclohexane, heptane, etc.
- the above inert diluents can be used alone, Can also be used in combination. If used, the amount of the inert dilute agent is not particularly important, but the amount may be 0.2-10 liters / mole of magnesium oxide.
- Useful organic alcohol compounds include straight-chain, branched-chain or cycloalkyl alcohols having 1 to 10 carbon atoms, such as: methanol, ethanol, propanol, isopropanol, butanol, isobutanol, glycerol, Hexanol, 2-methylpentanol, 2-ethylbutanol, n-heptanol, 2-ethylhexanol, n-octanol, decanol, cyclohexanol, methylcyclohexanol; preferably ethanol, butanol , 2-ethylhexanol, glycerol.
- the general formula of the organoaluminum compound is AlR n, where R 1 is independently hydrogen or a hydrocarbon group having 1 to 20 carbon atoms, especially an alkyl group, an aralkyl group or an aryl group; X 1 is independently a halogen , Especially chlorine and bromine; n is a number of 0 ⁇ r 3. Among them, ⁇ is preferably not equal to 3.
- Specific compounds such as: trimethylaluminum, triethylaluminum, triisobutylaluminum, trioctylaluminum, dihydrodiethylaluminum, dihydrodiisobutylaluminum, monochlorodiethylaluminum, monochlorodichloro Alkyl aluminum halides such as isobutylaluminum, sesquiethylaluminum chloride, and dichloroethylaluminum are preferred. Halides of alkylaluminum are preferred, and monochlorodiethylaluminum is the most preferred.
- titanium tetrachloride titanium tetrabromide, tetrafluorene hafnium, tetrabutoxytitanium, tetraethoxytitanium, monochlorotriethoxytitanium, titanium trichloride, dichlorodiethoxytitanium, three One or a mixture of chloro-ethoxytitanium.
- the titanium content is generally 1.0 to 0.8% by weight
- the magnesium content is generally 5.0 to 20% by weight
- the chlorine content is generally 20 to 70% by weight. Divided by weight.
- the above catalyst component of the present invention can be prepared by the following method:
- the amount of the organic alcohol compound is 0.1 to 10 moles, preferably 1 to 4 moles per mole of the magnesium halide; the amount of the organic aluminum compound is 0.05 to 5 Mole, preferably 0.1 to 0.5 mole.
- the titanium compound is used in an amount of 1 to 15 moles, preferably 2 to 10 moles.
- the amount of the inorganic oxide carrier is 10 to 200 g, preferably 30 to 80 g.
- the present invention also provides a process for homopolymerization of ethylene or ethylene and other C 3 - 2.
- ⁇ - olefin or vinyl aromatic monomer copolymerization reaction catalyst wherein the C 3 - 2.
- o-Olefins include propylene, butene-1, 4-methylpentene-1, hexene-1, octene-1, vinyl aromatic monomers include styrene, methylstyrene, etc .
- the catalyst contains: ( 1) The reaction product of the catalyst component of the present invention with (2) at least one organoaluminum compound of the general formula A1R 3 JV milieu, where R 3 is independently hydrogen and a hydrocarbon group having 1 to 20 carbon atoms , Especially alkyl, aralkyl, aryl; X 3 is independently halogen, especially chlorine and bromine; n is a number of 0 ⁇ r 3.
- organoaluminum compounds such as: trisalyl aluminum, triethyl Aluminum, triisobutylaluminum, tri-n-butylaluminum, tri-n-hexylaluminum, trioctylaluminum, dihydrodiethylaluminum, monohydrodiisobutylaluminum, monochlorodiethylaluminum, monochlorodiiso Aluminium alkyl compounds such as butylaluminum, sesquiethylaluminum chloride, and dichloroethylaluminum, among which trialkylaluminum compounds are preferred, and triethylaluminum and triisobutylaluminum are preferred.
- the molar ratio of aluminum to titanium in component (1) is 5-500, preferably 20 to 200.
- Another aspect of the invention relates to a method for polymerizing ethylene, which includes The ethylene and optionally of C 3 - 2.
- the ⁇ -olefin or vinyl aromatic monomer is contacted with the catalyst of the present invention.
- slurry polymerization or gas phase polymerization can be used.
- Liquid-phase polymerization media that can be used in the polymerization method of the present invention include: hexane, heptane, cyclohexane, naphtha, raffinate, hydrogenated gasoline, kerosene, benzene, toluene, xylene and other saturated aliphatic hydrocarbons or aromatic hydrocarbons And other inert solvents.
- Pre-polymerization can be performed before polymerization.
- the polymerization method can be batch, semi-continuous or continuous.
- the polymerization temperature is 0 to 150 ° C, preferably 40 to 100 ° C.
- the temperature was lowered to 30 ° (4.8 ml of a chlorodiethylaluminum hexane solution with a concentration of 2.2 M was added dropwise, and the reaction was maintained at 30 ° C for 1 hour.
- Dry silica (2212 grade, From GRACE, dry at 600 ° C for 4 hours before use) 2. 5g, cool the system to -25 ° C, slowly drop 40ml of titanium tetrachloride, then slowly raise the temperature to 80 ° C, and react for 2 hours. Stop The mixture was stirred and left to stand, and the suspension was quickly separated into layers.
- the upper layer was removed for clear night, washed twice with toluene, washed four times with hexane, and dried with high-purity nitrogen to obtain a solid catalyst component with good fluidity and narrow particle size distribution.
- Ti content is 6.21%
- Mg content is 10.38%
- C1 content is 43.52%
- ethoxy content is 4.7%
- A1 content is 0.19%
- Si content is 4. 85%
- the phosphorus content is 4. 75%. (Both by weight)
- Ethylene polymerization is the same as in Example 1, except that the hydrogen / aceton pressure ratio is 0. 18MPa / 0. 55MPa 0 Polymerization results are shown in Table 2.
- Example 2 Ethylene polymerization conditions are the same as in Example 1.
- the polymerization results are shown in Table 1. From the polymerization data in Tables 1 and 2, it can be seen that under the same polymerization conditions, the catalyst of the present invention can obtain a polyethylene resin with a higher melt index, and by adjusting the hydrogen partial pressure in the polymerization process, it can be easily Resins with different melt indexes were obtained, that is, the change of melt index with hydrogen partial pressure was very obvious.
- an inorganic oxide support is introduced into the catalyst of the present invention, the particle size distribution of the obtained polymer is narrower than that of Comparative Example 2 (with phthalic anhydride as the precipitating agent). less.
- Example 1 6.4 4.8 2.5 40020 0.31 0.34 3.7 17.4 54.1 13.9 5.0 3.5 1.6 0.7
- Example 2 5.9 4.8 2.5 37 113 0.32 0.28 5.9 70.0 11.8 4.9 3.3 2.4 1.3 0.6
- Example 3 5.9 4.4 2.5 42373 0.31 0.24 9.7 16.9 27.8 28.9 9.3 9.3 5.9 1.1 0.7
- Example 4 5.9 3.8 2.5 41071 0.33 2.2 25.3 59.3 9.1 1.8 1.2 0.9 0.
- Example 5 6.4 4.6 2.5 20 300 0.32 0.22 0.45 15.0 69.7 6.9 2.4 2.2 2.2 1.2
- Example 10 0. 58/0. 15 6860 25. 05
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007507645A JP4917533B2 (ja) | 2004-04-12 | 2005-04-08 | エチレン重合用触媒成分、その調製方法、触媒及び重合方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200410031128.0 | 2004-04-12 | ||
| CNB2004100311280A CN1297575C (zh) | 2004-04-12 | 2004-04-12 | 用于乙烯聚合或共聚合的催化剂组分及其催化剂 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005100409A1 true WO2005100409A1 (en) | 2005-10-27 |
Family
ID=35061313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2005/000469 Ceased WO2005100409A1 (en) | 2004-04-12 | 2005-04-08 | Catalyst component for ethylene polymerisation, preparation process thereof, and catalyst containing the same |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7153804B2 (zh) |
| JP (1) | JP4917533B2 (zh) |
| KR (1) | KR20070061481A (zh) |
| CN (1) | CN1297575C (zh) |
| WO (1) | WO2005100409A1 (zh) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007051410A1 (fr) * | 2005-10-31 | 2007-05-10 | China Petroleum & Chemical Corporation | Composant catalytique destine a la polymerisation de l’ethylene, sa preparation et catalyseur le contenant |
| CN101838352B (zh) * | 2009-03-20 | 2013-11-06 | 中国石油化工股份有限公司 | 用于乙烯聚合或共聚合的催化剂组分及其催化剂 |
| EP2287212B1 (en) | 2009-08-21 | 2014-03-26 | China Petroleum & Chemical Corporation | A catalyst component for ethylene polymerization, preparation thereof and a catalyst comprising the catalyst component |
| SA3686B1 (ar) * | 2009-10-16 | 2014-10-22 | China Petroleum& Chemical Corp | مكون حفاز لبلمرة الأولفين وحفاز يشتمل عليه |
| CN102875707A (zh) * | 2011-07-14 | 2013-01-16 | 中国石油化工股份有限公司 | 用于乙烯聚合或共聚合的催化剂组分的制备方法及其催化剂 |
| CN103059171B (zh) * | 2011-10-18 | 2015-06-17 | 中国石油化工股份有限公司 | 一种用于烯烃聚合的催化剂组分和催化剂 |
| EP3625270B1 (en) * | 2017-05-18 | 2024-03-06 | Basell Poliolefine Italia S.r.l. | Catalyst components for the polymerization of olefins |
| CN113754798A (zh) * | 2020-06-05 | 2021-12-07 | 中国石油化工股份有限公司 | 类球形超大孔介孔材料和聚烯烃催化剂及其制备方法以及烯烃聚合方法 |
| CN115160461B (zh) * | 2021-04-02 | 2024-05-07 | 中国石油化工股份有限公司 | 球形聚乙烯粉料及其制备方法 |
| CN117003915A (zh) * | 2022-04-28 | 2023-11-07 | 中国石油化工股份有限公司 | 一种固体催化剂组分及其制备方法和烯烃聚合催化剂和应用 |
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| US5288933A (en) * | 1992-04-16 | 1994-02-22 | Union Carbide Chemicals & Plastics Technology Corporation | Process for the production of polyethylene |
| CN1104220A (zh) * | 1993-02-12 | 1995-06-28 | 化学工业部上海化工研究院 | 气相法全密度聚乙烯高效催化剂 |
| EP0752431A2 (en) * | 1995-06-07 | 1997-01-08 | Fina Technology, Inc. | A catalyst system to produce highly crystalline polypropylene |
| EP0860452A1 (en) * | 1997-02-21 | 1998-08-26 | Fina Technology, Inc. | Improved electron donor and catalyst system for monomer polymerization |
| CN1229092A (zh) * | 1998-03-17 | 1999-09-22 | 中国石油化工集团公司 | 用于乙烯聚合或共聚合的催化剂及其制法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3776091A (en) * | 1971-08-12 | 1973-12-04 | Nippon Musical Instruments Mfg | Foldable percussion musical instrument |
| JPS5819307A (ja) * | 1981-07-27 | 1983-02-04 | Mitsubishi Petrochem Co Ltd | オレフイン重合体の製造方法 |
| JPS58183708A (ja) * | 1982-04-20 | 1983-10-27 | Mitsubishi Petrochem Co Ltd | α−オレフイン重合用固体触媒成分 |
| CN1006071B (zh) * | 1985-04-01 | 1989-12-13 | 中国石油化工总公司 | 用于烯烃聚合和共聚合的催化剂体系 |
| JP3147980B2 (ja) * | 1992-03-03 | 2001-03-19 | 三菱化学株式会社 | オレフィン重合用触媒および当該触媒を用いたオレフィン重合体の製造方法 |
| DE19623226A1 (de) * | 1996-06-11 | 1997-12-18 | Basf Ag | Katalysatorsysteme vom Typ der Ziegler-Natta-Katalysatoren |
| DE19637367A1 (de) * | 1996-09-13 | 1998-03-19 | Basf Ag | Bei ihrer Herstellung modifizierte Ziegler-Natta-Katalysatorsysteme |
| DE19722569A1 (de) * | 1997-05-28 | 1998-12-03 | Basf Ag | Statistische Propylencopolymerisate |
| US6084042A (en) * | 1998-06-29 | 2000-07-04 | Nova Chemicals (International) S.A. | Mixed titanium-vanadium catalysts for solution ethylene polymerization |
| DE19912011A1 (de) * | 1999-03-17 | 2000-09-21 | Targor Gmbh | Verfahren zur Gasphasenpolymerisation von C2-C8-Alk-1-enen |
| DE10002653A1 (de) * | 2000-01-21 | 2001-07-26 | Targor Gmbh | Neuartige Katalysatorsysteme vom Typ der Ziegler-Natta-Katalysatoren |
| DE10110551A1 (de) * | 2001-03-05 | 2002-09-12 | Basell Polypropylen Gmbh | Verfahren zur Dosierung von Katalysatoren |
| ATE293134T1 (de) * | 2002-06-24 | 2005-04-15 | Borealis Tech Oy | Verfahren zur herstellung einer lldpe zusammensetzung |
-
2004
- 2004-04-12 CN CNB2004100311280A patent/CN1297575C/zh not_active Expired - Lifetime
-
2005
- 2005-04-08 KR KR1020067023457A patent/KR20070061481A/ko not_active Ceased
- 2005-04-08 JP JP2007507645A patent/JP4917533B2/ja not_active Expired - Lifetime
- 2005-04-08 WO PCT/CN2005/000469 patent/WO2005100409A1/zh not_active Ceased
- 2005-04-12 US US11/104,976 patent/US7153804B2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5288933A (en) * | 1992-04-16 | 1994-02-22 | Union Carbide Chemicals & Plastics Technology Corporation | Process for the production of polyethylene |
| CN1104220A (zh) * | 1993-02-12 | 1995-06-28 | 化学工业部上海化工研究院 | 气相法全密度聚乙烯高效催化剂 |
| EP0752431A2 (en) * | 1995-06-07 | 1997-01-08 | Fina Technology, Inc. | A catalyst system to produce highly crystalline polypropylene |
| EP0860452A1 (en) * | 1997-02-21 | 1998-08-26 | Fina Technology, Inc. | Improved electron donor and catalyst system for monomer polymerization |
| CN1229092A (zh) * | 1998-03-17 | 1999-09-22 | 中国石油化工集团公司 | 用于乙烯聚合或共聚合的催化剂及其制法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007532723A (ja) | 2007-11-15 |
| KR20070061481A (ko) | 2007-06-13 |
| CN1683420A (zh) | 2005-10-19 |
| CN1297575C (zh) | 2007-01-31 |
| US7153804B2 (en) | 2006-12-26 |
| JP4917533B2 (ja) | 2012-04-18 |
| US20050227858A1 (en) | 2005-10-13 |
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