WO2006066458A1 - Catalyst for olefin polymerization and its use - Google Patents
Catalyst for olefin polymerization and its use Download PDFInfo
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- WO2006066458A1 WO2006066458A1 PCT/CN2004/001506 CN2004001506W WO2006066458A1 WO 2006066458 A1 WO2006066458 A1 WO 2006066458A1 CN 2004001506 W CN2004001506 W CN 2004001506W WO 2006066458 A1 WO2006066458 A1 WO 2006066458A1
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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
- 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
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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
- 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
- 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
- C08F4/655—Pretreating with metals or metal-containing compounds with aluminium 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
- 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
- C08F4/656—Pretreating with metals or metal-containing compounds with silicon 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
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
Definitions
- the present invention relates to a catalyst for the polymerization of olefins, and more particularly to a catalyst containing a novel structure of a silyl ether compound, and the use of the catalyst in the polymerization of olefins, particularly in the polymerization of propylene.
- the catalytic system has good hydrogen modulation sensitivity and can obtain higher isotactic polymers in higher yields.
- Catalysts for the polymerization or copolymerization of olefins are well known in the literature. These catalysts typically comprise a transition metal containing active component, typically with magnesium, titanium and a halogen as the main components; a cocatalyst component, typically an organoaluminum compound; and an external donor component, typically an organosilicon compound.
- a transition metal containing active component typically with magnesium, titanium and a halogen as the main components
- a cocatalyst component typically an organoaluminum compound
- an external donor component typically an organosilicon compound.
- WO 00/63261 discloses an external electron donor compound (external electron donor) for olefin polymerization.
- a is 1, b is 1, c is 2 , R 11 and R At least one of 12 is selected from a branched alkyl, alkenyl, alkylene, cycloalkyl or aryl group having 3 to 10 carbon atoms, optionally containing a hetero atom, and R 13 is ⁇ ⁇ An alkyl group, especially a methyl group, such as cyclohexylmethyldimethoxysilane.
- preferred silicon compounds are also compounds wherein a is 0, b is 1, c is 3, R 12 is a branched alkyl or cycloalkyl group, optionally containing a hetero atom, and R 13 is a methyl group, such as a ring. Hexyltrimethoxysilane and the like.
- One of the objects of the present invention is to provide a catalyst for the polymerization of an olefin comprising a reaction product of the following components:
- An aralkyl group, and two or more R Ru groups may be bonded to each other to form a saturated or unsaturated cyclic structure, which may be substituted by a group similar to R ⁇ Ru,
- the ⁇ 1 12 group optionally contains one or more heteroatoms as a carbon atom or a hydrogen atom or a substituent of the two together, the hetero atom being selected from nitrogen, oxygen, sulfur, silicon, phosphorus or a halogen atom,
- R ⁇ R! is preferred.
- the groups are the same or different and represent hydrogen, a halogen atom, a straight or branched d Ci. Alkyl or C 6 ⁇ C ie aryl.
- A represents a carbon atom
- R ⁇ Rs are the same or different methyl, ethyl, n-propyl, isopropyl, n-butyl, t-butyl, phenyl
- R 4 to R 6 are the same or different hydrogen atoms, methyl, ethyl, n-propyl, isopropyl, n-butyl, or tert-butyl, R ⁇ I ⁇ .
- Is a hydrogen atom or R 4 is a fluorenyl group, and R 5 - R 10 is a hydrogen atom;
- A represents a silicon atom
- R ⁇ I is the same or different sulfhydryl group, ethyl, n-propyl, isopropyl, n-butyl, t-butyl, phenyl, More preferably, R!, R 2 and R 4 R 5 are methyl groups, and R 3 and R 6 are independently methyl or t-butyl groups, R ⁇ R!. It is a hydrogen atom.
- Rn and ⁇ in the above formula U) are independently a linear or branched alkyl group or C 6 -C 2 .
- silyl ether compound in this embodiment of the invention examples include, but are not limited to:
- the groups are the same or different and represent hydrogen, a halogen atom, a linear or branched d ⁇ C 2 .
- Alkyl group C 3 ⁇ C 2 .
- Cycloalkyl C 6 ⁇ C 2 .
- An aralkyl group, and two or more R groups may be bonded to each other to form a saturated or unsaturated condensed cyclic structure, which may be substituted by a group similar to R ⁇ R!o , said R and ⁇ .
- the group optionally contains one or more heteroatoms as a carbon atom or a hydrogen atom or a substituent of the two together, said hetero atom being selected from nitrogen, oxygen, sulfur, silicon, phosphorus or a halogen atom, and A represents a carbon atom or Silicon atom.
- the silyl ether compound has the following formula (m):
- R which may be the same or different, represent hydrogen, a halogen atom, a linear or branched d ⁇ C 2 .
- Alkyl group C 3 ⁇ C 2 .
- Cycloalkyl C 6 ⁇ C 2 .
- R ⁇ i groups are the same or different and represent hydrogen, a halogen atom, a linear or branched d d. Alkyl or C ⁇ C,. Aryl.
- R 3 is the same or different methyl, ethyl, n-propyl, isopropyl, n-butyl, t-butyl, stupyl
- R 4 to R 6 are the same or different hydrogen atoms, methyl, Ethyl, n-propyl, isopropyl, n-butyl, t-butyl; more preferably, R 2 is methyl, R 3 is methyl or t-butyl, ! ⁇ ! ⁇ and ⁇ are hydrogen atoms;
- R 6 is the same or different methyl, ethyl, n-propyl, isopropyl, n-butyl, t-butyl, phenyl, more preferably Ri, R 4 , R 5 are fluorenyl, R 3 , R 6 is independently methyl or t-butyl, ⁇ . with! ⁇ is a hydrogen atom.
- silyl ether compound of the above formula ( ⁇ ) or formula (ffl) examples include, but are not limited to:
- a of the formula (I) or the formula ( ⁇ ) or the formula ( ⁇ ) of the silyl ether compound is a silicon atom, it will directly form a formula (I) or a formula ( ⁇ ) or a formula ( m )
- the corresponding glycol compound is obtained by reacting with a trihydrocarbyl silicidation reagent.
- a trihydrocarbyl silicidation reagent for example, 9,9-bis[(trihydrocarbylsilyl)oxymethyl]indoles can be silylated from a diol corresponding to the general formula (II) such as 9,9-bis(hydroxymethyl)anthracene and a trihydrocarbyl group.
- the reagent is prepared by reaction.
- the glycol compound corresponding to the general formula (I) is known or can be synthesized according to the prior art.
- the Chinese invention patent specification Patent No. ZL89107675 and ZL91108297. 2 has a description of the preparation method.
- the diol compound corresponding to the general formula (I I ) or the general formula ( m ) is also known or can be synthesized according to the prior art.
- 9,9-bis(hydroxymethyl)fluorene can be prepared from hydrazine by reference to the literature method (Acta Chemi ca Scandinava 1967, 21, 718); in the same manner, with 2-fluoroindole (see Chem. and Ind.
- the trihydrocarbyl silicidation agent may be selected from a trihydrocarbylsilane or a hexahydrocarbylsilane such as trimethylchlorosilane, dimercaptoethylchlorosilane, dimethyl tert-butylchlorosilane, triethylchlorosilane, Methylphenylchlorosilane, dimercapto-n-butylchlorosilane, dimercaptobenzoylchlorosilane, hexamethylenedisilimide, and the like.
- a trihydrocarbyl silane is used as the trihydrocarbyl silicating agent, the reaction needs to be carried out in the presence of a base including no mechanical and organic bases such as Na, K, NaOH, KOH, NaH, KH, CaH 2 , Na 2 . C0 3 , K 2 C0 3 , NH 3 , Et 3 N, Me 3 N, Bu 3 N, pyridine, imidazole, 4-diaminopyridine, and mixtures thereof, preferably an organic base such as Et 3 N, imidazole, 4-dimethylaminopyridine, and mixtures thereof.
- a base including no mechanical and organic bases such as Na, K, NaOH, KOH, NaH, KH, CaH 2 , Na 2 . C0 3 , K 2 C0 3 , NH 3 , Et 3 N, Me 3 N, Bu 3 N, pyridine, imidazole, 4-diaminopyridine, and mixtures thereof, preferably an organic base such as Et 3
- the reaction may be ineffective.
- the reaction can be at -20. C - 100 ° C, preferably - 5.
- C is carried out at a temperature of room temperature.
- the reaction can be carried out in a solvent selected from the group consisting of halogenated hydrocarbons, hydrocarbons, and ethers. Examples include, but are not limited to, methylene chloride, trichloromethane, benzene, toluene, n-hexane, cyclohexane, petroleum ether, diethyl ether, tetrahydrofuran, methyl t-butyl ether, and the like. More preferred solvent is dichloromethane. .
- the preferred feed molar ratio is:
- the trihydrocarbyl silicidation reagent is a hexahydrocarbyl disilazane
- the diol: hexahydrocarbyl disilazane 1: 1 to 1.2.
- a of the formula of the silyl ether compound is a carbon atom
- the diol compound corresponding to the formula (I) or the formula (II) or the formula (m) is first subjected to a monohydroxy group with a 3 ⁇ 4 alkyl group.
- the etherification reaction is then carried out with a trihydrocarbyl silicidation reagent.
- the solvent used is selected from the group consisting of tetrahydrofuran, dimethyl sulfoxide, diethyl ether, dimethylformamide, aliphatic hydrocarbons such as pentane, hexane, heptane and aromatic hydrocarbons such as benzene and toluene.
- the base used is a metal or alkaline earth metal hydride, hydroxide or carbonate, such as sodium hydride, potassium hydride, calcium hydride, sodium hydroxide, potassium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, etc., preferably It is sodium hydride and sodium hydroxide, and the base is preferably added to the reaction mixture after the addition of the diol, the hexane and the solvent.
- the molar ratio of the base to the diol is from 0.5 to 1.5: 1, preferably from 0.8 to 1.2: 1, and the molar ratio of the halogenated alkane to the diol is from 1 to 10:1, preferably from 2.5:1.
- the reaction temperature may be -10 ° C to 100 ° C
- the reaction pressure may be ambient pressure
- the reaction time may be 1 to 48 hours.
- the monoetherate 2,2-dihydrocarbyl-3-hydrocarbyloxypropanol or 9-(hydroxoalkyl)-9-(hydroxymethyl)anthracene obtained in the step (1), and a trihydrocarbyl silicidation agent The reaction temperature is -20. C ⁇ 100. C, preferably -5. The reaction is carried out at room temperature C to form 2,2-dihydrocarbyl-1-hydrocarbyloxy-3-[(trihydrocarbylsilyl)oxy]propane or 9-(hydrocarbyloxymethyl)-9-[(III) Hydrocarbylsilyloxymethyl]anthracene.
- the solvent used may be selected from the group consisting of halogenated hydrocarbons, hydrocarbons, and ethers.
- suitable solvents include, but are not limited to, dichlorodecane, trichlorodecane, benzene, toluene, n-hexane, cyclohexane, petroleum ether, diethyl ether, tetrahydrofuran, methyl t-butyl ether, and the like, and more preferred solvents are Dichloromethane.
- the trihydrocarbyl silicidation agent may be selected from a trihydrocarbyl 13 ⁇ 4 silane or a hexahydrocarbyl disilazane such as trimethylchlorosilane, dimercaptoethyl chlorosilane, dimethyl tert-butyl chlorosilane, triethyl chlorosilane, Methylphenylchlorosilane, dimethyl-n-butylchlorosilane, dimethylbenzylchlorosilane, hexamethyldisilazide, and the like.
- a trihydrocarbyl 13 ⁇ 4 silane or a hexahydrocarbyl disilazane such as trimethylchlorosilane, dimercaptoethyl chlorosilane, dimethyl tert-butyl chlorosilane, triethyl chlorosilane, Methylphenylchlorosilane, dimethyl-
- the base used in the reaction includes an inorganic base and an organic base such as Na, K, NaOH, hop, aH, KH, CaH 2 , Na 2 C0 3 , K 2 C0 3 , NH 3 , Et 3 N, Me 3 N, Bu 3 N, pyridine, imidazole, 4-dimethylaminopyridine, mixtures thereof and the like, preferably an organic base such as Et 3 N, imidazole, 4-diaminopyridine, and mixtures thereof.
- an organic base such as Et 3 N, imidazole, 4-diaminopyridine, and mixtures thereof.
- the invention discloses a silicon ether compound of the invention in detail in Chinese patent application CN 02125224.6 Synthesis of the substance, which is incorporated herein by reference in its entirety.
- the solid titanium-containing catalyst component containing magnesium, titanium and a pigment as a main component in the catalyst of the present invention preferably contains a reaction product of a titanium compound, a magnesium compound and an internal electron donor compound.
- a reaction product of a titanium compound, a magnesium compound and an internal electron donor compound for example, various Ziegler-Nat ta type procatalyst (or procatalyst) components commonly used in the homopolymerization or copolymerization of propylene are known in the art.
- procatalyst component is disclosed in, for example, Chinese patent CN85100997A, CN1258680A, CN1258683A, CN1258684A, CN1091748A, CN1330086A, CN1298887A, CN1298888A, CN1436796A the Patent 0 fully incorporated by reference in the present application.
- the magnesium compound used therein is selected from the group consisting of hydrated magnesium, hydrated or alcoholic hydrate of bismuth magnesium, and two! One of the derivatives in which one of the 3 ⁇ 4 atoms of the magnesium compound is replaced by a hydrocarbyloxy group or a halogenated alkoxy group, or a mixture thereof.
- Preferred are magnesium dihalides such as magnesium dichloride, magnesium dibromide and magnesium diiodide.
- R is independently a hydrocarbon group having 1 to 20 carbon atoms
- X is a halogen
- n 1 to 4.
- examples thereof include, but are not limited to, titanium tetrachloride, titanium tetrabromide, titanium tetraiodide, titanium tetrabutoxide, titanium tetraethoxide, titanium monochlorotriethoxy, titanium dichlorodiethoxylate, Titanium trichloride monoethoxylate, and mixtures thereof, preferably titanium tetrachloride.
- the internal electron donor compound used therein includes: a polyvalent carboxylic acid, a monocarboxylic acid ester or a polycarboxylic acid ester, an acid anhydride, a ketone, a monoether or a polyether, an alcohol, an amine, etc. and derivatives thereof; preferably a dibasic aliphatic carboxylic acid Esters, dibasic aromatic carboxylic acid esters and diether based compounds. More preferred are phthalic acid esters, malonic esters, succinic acid esters, glutaric acid esters, pivalic acid esters or carbonates.
- diethyl phthalate diisobutyl phthalate, di-n-butyl phthalate, diisooctyl phthalate, di-n-octyl phthalate, C Diethyl diacrylate, dibutyl malonate, diethyl 2,3-diisopropylsuccinate, diisobutyl 2,3-diisopropylsuccinate, 2,3-diisopropyl Di-n-butyl succinate, dimethyl 2,3-diisopropylsuccinate, diisobutyl 2,2-dimethylsuccinate, diisobutyl 2-ethyl-2-methylsuccinate Ester, diethyl 2-ethyl-2-methylsuccinate, diethyl adipate, dibutyl adipate, diethyl sebacate, dibutyl sebacate, maleic acid Diethyl ester, di-n-butyl maleate, die
- a further preferred type of internal electron donor is a glycol ester compound, which is disclosed in, for example, Chinese Patent Application No. CN 436 766, the entire disclosure of which is hereby incorporated by reference.
- the magnesium compound in the preparation of the solid titanium-containing catalyst component, is preferably dissolved in a solvent system containing an organic epoxy compound and an organic phosphorus compound.
- the organic epoxy compound may be selected from aliphatic olefins, diolefins having a carbon number of 2 - 8 or! At least one of an oxide of an aliphatic olefin or a diene, a glycidyl ether, and an internal ether.
- Specific compounds include, but are not limited to: ethylene oxide, propylene oxide, butylene oxide, butadiene oxide, butadiene double oxide, epichlorohydrin, methyl glycidyl ether, diglycidyl ether, Tetrahydrofuran.
- the organophosphorus compound may be at least one selected from the group consisting of hydrocarbyl esters or halogenated hydrocarbyl esters of orthophosphoric acid or phosphorous acid, and specific examples include, but are not limited to, tridecyl orthophosphate, triethyl orthophosphate, tributyl orthophosphate Ester, triphenyl orthophosphate, trimethyl phosphite, triethyl phosphite, tributyl phosphite, triphenylmethyl phosphite.
- the solid titanium-containing catalyst component of the present invention can be prepared as follows:
- a magnesium compound is dissolved in a solvent system composed of an organic epoxy compound, an organophosphorus compound, and an inert diluent to form a homogenous solution, which is mixed with a titanium compound to precipitate a solid in the presence of a co-precipitating agent; Internal electron donor
- the compound is treated to be supported on a solid, and if necessary, the solid is treated with titanium tetrachloride and an inert diluent.
- the co-precipitating agent may be one of an organic acid anhydride, an organic acid, an ether, a ketone, or a mixture thereof.
- acetic anhydride phthalic anhydride, succinic anhydride, maleic anhydride, pyromellitic dianhydride, acetic acid, propionic acid, butyric acid, acrylic acid, methacrylic acid, acetone, methyl ethyl ketone , benzophenone, methyl ether, diethyl ether, propyl ether, dibutyl ether, pentyl ether.
- a solid titanium-containing catalyst component is prepared by reacting a titanium compound of the formula TiX n (0R) 4 - n defined above, preferably TiCh, with an adduct of the formula MgClrpROH.
- a titanium compound of the formula TiX n (0R) 4 - n defined above, preferably TiCh with an adduct of the formula MgClrpROH.
- MgCl 2 .pR0H p is a number from 0.1 to 6, preferably from 2 to 3.5
- R is a hydrocarbon group having 1 to 18 carbon atoms.
- the adduct can be suitably formed into a spherical shape by mixing an alcohol and magnesium chloride in the presence of an inert hydrocarbon which is not miscible with the adduct, so that the emulsion is rapidly quenched, whereby the adduct is solidified in the form of spherical particles.
- the adduct thus obtained may be directly reacted with the titanium compound, or it may be subjected to a thermally controlled dealcoholization (80-130 ° C) before the reaction with the titanium compound to obtain an adduct, wherein the p value 5 ⁇ Generally, it is less than 3, preferably between 0.1 and 2. 7.
- the suspension of the adduct (dealcoholic or itself) is suspended in cold TiCl 4 (generally 0 ° C), and the mixture is programmed to a temperature of 80-130 ° C and maintained at this temperature 0. 1-2
- the reaction with the titanium compound is carried out in an hour.
- TiC l 4 processing can be performed one or more times.
- the internal electron donor compound may be added for treatment during the treatment with TiC 4 , and this treatment may be repeated one or more times.
- the organoaluminum component in the catalyst of the present invention may be a compound of the formula AlR n X 3 - n wherein R is hydrogen, a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen, and n is 1 ⁇ n ⁇ The number of 3.
- Examples of compounds which can be used as the organoaluminum component include, but are not limited to, triethyl aluminum, tripropyl aluminum, tri-n-butyl aluminum, triisobutyl aluminum, tri-n-hexyl aluminum, tri-n-octyl aluminum, triiso Octyl aluminum, diethylaluminum monohydrogenate, diisobutylaluminum monohydride, diethylaluminum chloride, diisobutylaluminum chloride, sesquiethylaluminum chloride, ethylaluminum dichloride, preferably three Ethyl aluminum, triisobutyl aluminum.
- the ratio between each component (A), component (B) and component (C) in the catalyst of the present invention is 1: 5 - 1000: 0 - 500 in terms of a molar ratio of titanium: aluminum: silicon; Preferably it is 1: 25 ⁇ 100: 25 ⁇ 100.
- Another object of the present invention is to provide a catalyst wherein the above catalyst is homopolymerized in a CH 2 -CHR olefin wherein R is hydrogen or d- (: 6 alkyl or aryl group or the olefin has 2 to 20 carbon atoms Use in the copolymerization of ⁇ -olefin comonomers.
- the comonomer is contacted with the catalyst of the invention.
- polymerization includes homopolymerization and copolymerization.
- the present invention also provides a process for polymerizing propylene comprising contacting propylene and optionally an ⁇ -olefin comonomer having 2 to 20 carbon atoms with a catalyst of the present invention under polymerization conditions.
- the catalyst of the present invention can be used in various known olefin polymerization processes, particularly homopolymerization and copolymerization of propylene, including continuous polymerization and batch polymerization processes.
- the polymerization can be carried out in the slurry using an inert hydrocarbon solvent as a diluent or a liquid monomer (e.g., propylene) as a reaction medium in the bulk.
- the polymerization process can also It can be carried out in the gas phase, operating in one or more fluidized bed or mechanically agitated bed reactors. Polymerization processes including a combination of gas phase polymerization and liquid phase polymerization are also conceivable.
- the polymerization is usually carried out at O 'C to 150. C, typically at 20 to 120 ° C, more typically at a temperature of 40 to 100 °.
- the operating pressure is usually between 0.5 and 10 MPa, preferably between 1 and 5 MPa.
- the operating pressure in the bulk polymerization is usually between 1 and 6 MPa, preferably between 1 and 4 MPa. Hydrogen or other compounds capable of functioning as a chain transfer agent can be used to control the molecular weight of the polymer.
- the isotacticity of the polymer is determined by heptane extraction (heptane boiling extraction for 6 hours): two grams of dried polymer sample is placed in an extractor and extracted with boiling heptane for 6 hours. The ratio of the weight (g) of the polymer obtained by drying to constant weight is equal to 2.
- the synthesis was carried out using 9,9-bis(hydroxymethyl)anthracene and ethyl iodide, and the synthesis method was the same as above.
- the product was white crystals (yield 51%).
- 2,2-diisobutyl-1,3-propanediol and methyl iodide as raw materials 2,2-diisobutyl-3-methoxypropanol was obtained by the above method.
- 9-(methoxyl) was obtained according to the above Preparation Example 1.
- Base) -9- [(dimercaptobenzylsilyl)oxyindenyl] oxime.
- reaction mixture was diluted with water (10 ml), and then evaporated, evaporated, Filtration, concentration of light yellow liquid 9-(methoxyindolyl)-9-[(dimethyl-tert-butylsilyl)oxyindenyl] crude product 1.28g, using petroleum ether as solvent by column chromatography A colorless pure compound is obtained.
- 2,2-diisobutyl-1 was obtained according to the above Preparation Example 16. - Methoxy-3-[(trimethylsilyl)oxy]propane.
- 2,2-di-n-butyl-3-decyloxy-1-propanol Using the intermediate 2,2-di-n-butyl-3-decyloxy-1-propanol and the reagent trimethylchlorosilane as the reactants, 2,2-di-n-butyl-1 was obtained according to the above Preparation Example 16. - Methoxy-3-[(trimethylsilyl)oxy]propane.
- 2,2-dimercapto-1,3-propanediol Using 2,2-dimercapto-1,3-propanediol and the reagent dimethyl tert-butylchlorosilane as the reactants, 2,2-dimercapto-1,3-dual was obtained according to the above Preparation Example 15. (Dimethyl-tert-butylsilyl)oxy]propane.
- 1,1-bis[(trimethylsilyl)oxyfluorenyl group was obtained by the method of Preparation Example 34 above using 1,1-bis(hydroxymethyl)cyclohexane and the reagent tridecylchlorosilane as a reactant. ] Cyclohexane.
- Examples 1-38 the silyl ether compounds prepared in the above Preparation Examples 1-38 were respectively used as external electron donors, and in Comparative Example 1, methylcyclohexyldimethoxysilane was used as an external electron donor, and propylene polymerization was carried out in accordance with the following procedure. experiment: a stainless steel reaction vessel with a volume of 5L, after being fully replaced by gaseous propylene,
- Examples 39, 40 and Comparative Example 2 Propylene Polymerization Experimental Examples 39 and 40 used the silyl ether compounds prepared in Preparation Examples 7 and 18 as external electron donors, respectively, and Comparative Example 2 used methylcyclohexyldimethoxysilane. As the external electron donor, the propylene polymerization conditions described in the above Examples 1-38 were used, except that the amount of hydrogen added was changed to 4 L, and a propylene polymerization experiment was carried out. The results are shown in Table 5. For comparison, the results of Examples 7, 18 and Comparative Example 1 are listed in Table 5.
- the melt index of the polymer obtained by the silyl ether compound of the present invention is higher than that commonly used in the prior art.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020077015935A KR101075453B1 (ko) | 2004-12-23 | 2004-12-23 | 올레핀 중합용 촉매 및 그것의 사용 |
| PCT/CN2004/001506 WO2006066458A1 (en) | 2004-12-23 | 2004-12-23 | Catalyst for olefin polymerization and its use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2004/001506 WO2006066458A1 (en) | 2004-12-23 | 2004-12-23 | Catalyst for olefin polymerization and its use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006066458A1 true WO2006066458A1 (en) | 2006-06-29 |
Family
ID=36601351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2004/001506 Ceased WO2006066458A1 (en) | 2004-12-23 | 2004-12-23 | Catalyst for olefin polymerization and its use |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101075453B1 (zh) |
| WO (1) | WO2006066458A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019137830A (ja) * | 2018-02-11 | 2019-08-22 | ペトロチャイナ カンパニー リミテッドPetrochina Company Limited | オレフィン配位重合触媒及びその応用 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06145235A (ja) * | 1991-09-26 | 1994-05-24 | Tonen Corp | α−オレフィン重合用触媒 |
| CN1182748A (zh) * | 1996-11-20 | 1998-05-27 | 三井化学株式会社 | 烯烃聚合催化剂、预聚合的催化剂和烯烃聚合方法 |
| JPH1180235A (ja) * | 1997-09-02 | 1999-03-26 | Mitsubishi Chem Corp | α−オレフィン重合用触媒成分、触媒およびα−オレフィンの重合方法 |
| CN1542014A (zh) * | 2002-07-17 | 2004-11-03 | �й�ʯ�ͻ����ɷ�����˾ | 一种硅醚化合物及其制备方法和应用 |
| CN1583805A (zh) * | 2003-08-20 | 2005-02-23 | 中国石油化工股份有限公司 | 用于烯烃聚合反应的催化剂 |
-
2004
- 2004-12-23 KR KR1020077015935A patent/KR101075453B1/ko not_active Expired - Fee Related
- 2004-12-23 WO PCT/CN2004/001506 patent/WO2006066458A1/zh not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06145235A (ja) * | 1991-09-26 | 1994-05-24 | Tonen Corp | α−オレフィン重合用触媒 |
| CN1182748A (zh) * | 1996-11-20 | 1998-05-27 | 三井化学株式会社 | 烯烃聚合催化剂、预聚合的催化剂和烯烃聚合方法 |
| JPH1180235A (ja) * | 1997-09-02 | 1999-03-26 | Mitsubishi Chem Corp | α−オレフィン重合用触媒成分、触媒およびα−オレフィンの重合方法 |
| CN1542014A (zh) * | 2002-07-17 | 2004-11-03 | �й�ʯ�ͻ����ɷ�����˾ | 一种硅醚化合物及其制备方法和应用 |
| CN1583805A (zh) * | 2003-08-20 | 2005-02-23 | 中国石油化工股份有限公司 | 用于烯烃聚合反应的催化剂 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019137830A (ja) * | 2018-02-11 | 2019-08-22 | ペトロチャイナ カンパニー リミテッドPetrochina Company Limited | オレフィン配位重合触媒及びその応用 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070103383A (ko) | 2007-10-23 |
| KR101075453B1 (ko) | 2011-10-24 |
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