WO2002002659A1 - Copolymere de butene, composition de resine renfermant ce copolymere et produits moules de cette composition, et catalyseur solide au titane pour la production du copolymere, ainsi que procede de preparation du catalyseur - Google Patents
Copolymere de butene, composition de resine renfermant ce copolymere et produits moules de cette composition, et catalyseur solide au titane pour la production du copolymere, ainsi que procede de preparation du catalyseur Download PDFInfo
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- WO2002002659A1 WO2002002659A1 PCT/JP2001/005760 JP0105760W WO0202659A1 WO 2002002659 A1 WO2002002659 A1 WO 2002002659A1 JP 0105760 W JP0105760 W JP 0105760W WO 0202659 A1 WO0202659 A1 WO 0202659A1
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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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/08—Butenes
-
- 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
- C08F10/04—Monomers containing three or four carbon atoms
- C08F10/08—Butenes
-
- 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
- C08F4/645—Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44, not provided for in a single group of groups C08F4/642 - C08F4/643
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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
- C08F4/647—Catalysts containing a specific non-metal or metal-free compound
- C08F4/649—Catalysts containing a specific non-metal or metal-free compound organic
- C08F4/6494—Catalysts containing a specific non-metal or metal-free compound organic containing oxygen
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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
- C08F4/6543—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof halides of magnesium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
-
- 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
- C08F110/08—Butenes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
Definitions
- the present invention relates to a butene-based copolymer, a resin composition thereof, a molded article thereof, a solid titanium catalyst for producing the same, and a method for producing the same.
- the present invention relates to a butene-based copolymer, a resin composition containing the copolymer, a molded article composed of the butene-based copolymer or its resin composition, a solid titanium catalyst for producing the same, and a production thereof.
- a butene-based copolymer which is excellent in heat resistance, heat-resistant creep characteristics, and ease of handling after molding, and is capable of obtaining a molded article excellent in moderate rigidity and low-temperature properties, and a resin containing the copolymer
- the present invention relates to a composition, a molded article comprising the butene-based copolymer or a resin composition thereof, a solid titanium catalyst for producing the same, and a method for producing the same.
- metal pipes such as galvanized steel pipes, copper pipes, or lead pipes have been used as pipe materials for water supply and hot water supply, but in the case of steel pipes, red water or black water is generated due to ⁇ , copper pipes Had drawbacks such as generation of pinholes due to electrolytic corrosion or generation of blue water. Another problem is that it is difficult to reduce the weight, and it is not easy to increase the diameter.
- synthetic resin tubes made of polychlorinated vinyl, polyethylene, cross-linked polyethylene, poly-butene, etc., which do not generate pinholes due to electrolytic corrosion, are being used.
- polychlorinated vinyl is not flexible as a resin, and has problems in hygiene and the environment. Polyethylene has poor pressure resistance and long-term durability. Then there is a problem.
- Poly-1-butene is excellent in pressure resistance, internal pressure creep durability at high temperature (40 to 120 ° C), ⁇ * Low temperature characteristics, abrasion resistance, etc., and excellent flexibility. Water ⁇ One of the resins suitable for hot water supply pipes.
- polybutene has some disadvantages in the balance between flexibility and heat resistance, and the balance between rigidity and low-temperature properties.Furthermore, when polybutene is melt-molded, the physical properties of the molded product are reduced. It is characterized by the fact that it slowly changes and it takes several days to ten and several days for the molded body to exhibit stable physical properties, making it difficult to handle.
- copolymer can certainly be improved in various ways, there is a problem that heat resistance, rigidity and heat resistance are not yet sufficient.
- a titanium compound supported on an active magnesium halide has been used as a catalyst for producing an olefin polymer such as a homopolymer of ethylene or ⁇ -olefin or a copolymer of ethylene and ⁇ -olefin.
- an olefin polymer such as a homopolymer of ethylene or ⁇ -olefin or a copolymer of ethylene and ⁇ -olefin.
- Catalysts are known.
- magnesium, titanium, halogen, a compound having two or more ether bonds existing through a plurality of atoms hereinafter, sometimes simply referred to as polyether
- a hydrocarbon a hydrocarbon
- an electron other than the polyether A method of using a solid titanium catalyst containing a donor with a specific composition to obtain a ⁇ _ olefin polymer having a narrower particle size distribution, a smaller amount of fine powder, and a higher bulk density has also been proposed (Japanese Patent Application Laid-Open No. — 3 3 6 5 0 3 publication). By the solid titanium contact, it is possible to obtain a propylene polymer having extremely excellent properties.
- a first object of the present invention is to provide a butene-based copolymer ( ⁇ ) capable of improving the rigidity, low-temperature properties and heat-resistant clip properties of a molded article, and a resin containing the copolymer ( ⁇ ). It is to provide a composition.
- a second object of the present invention is to improve the rigidity, low-temperature properties, and heat-resistant creep properties of a butene-based copolymer ( ⁇ ) and a resin composition containing the copolymer ( ⁇ ).
- An object of the present invention is to provide an excellent molded product of a butene-based copolymer ( ⁇ ) and a molded product of a resin composition containing the copolymer ( ⁇ ).
- a third object of the present invention is to provide a polymer of ⁇ -olefin having 4 or more carbon atoms and having substantially no carboxylic acid and having a uniform particle size, a small amount of fine powder, and a high bulk density.
- An object of the present invention is to provide a solid titanium catalyst capable of producing a copolymer and a method for producing the same.
- Intrinsic viscosity [ ⁇ ] solvent decalin, measurement temperature 135 ° C
- Tm differential scanning calorimeter
- the tensile modulus E of the above-mentioned butene-based copolymer (A) (measuring temperature 23 ° C), the following formula E (MPa)> 370-6.67 X ( ⁇ -olefin with 2 to 10 carbon atoms Butene-based copolymer ( ⁇ ⁇ ⁇ ⁇ ) that satisfies the following conditions:
- a half crystal transition time (X-ray diffraction method) of the butene-based copolymer ( ⁇ ) is 40 hours or less. Certain butene-based copolymers ( ⁇ ) are provided.
- P OB is shows the percentage of the chain number of the butene one shed Orefuin occupying the total number of chain
- P B represents the molar fraction of butene component
- a butene-based copolymer (A) having a ratio of the weight average molecular weight Mw to the number average molecular weight Mn, Mw / Mn of 2 to 7.9, of the butene-based copolymer (A) is provided. Further, according to the sixth invention of the present invention, in any one of the first to fifth inventions,
- the present invention provides a butene-based copolymer (A) in which the copolymerized unit (b) derived from the above-mentioned carbon having 2 to 10 carbon atoms (excluding 1-butene) is a propylene unit.
- An endothermic peak (melting point Tm) of the butene-based copolymer (A) measured by a differential scanning calorimeter and a single butene-based copolymer (A) are provided.
- the above-mentioned putene-based copolymer (A) according to any one of the first to seventh aspects, which is produced using a catalyst system containing the following components: Butene-based copolymer (A) is provided.
- ⁇ 1 ⁇ ! ⁇ 26 is carbon, hydrogen, oxygen, halogen, nitrogen, io, phosphorus, A substituent having at least one element selected from boron and silicon.
- Arbitrary 1 to! ⁇ 26 may form a ring other than a benzene ring, and in the main chain, other than carbon May be included.
- n is an integer of 2 ⁇ n ⁇ 10.
- a butene-based copolymer resin composition having a 1/2 crystal transition time (X-ray diffraction method) of the above butene-based copolymer resin composition of 40 hours or less is provided.
- the butene-based copolymer resin composition according to the ninth or eleventh aspect further comprising a nucleating agent.
- a butene-based copolymer resin composition wherein the nucleating agent is an amide-based compound is provided. According to a fourteenth aspect of the present invention, in any one of the ninth to thirteenth aspects,
- a butene-based copolymer resin composition having an isotactic pentad fraction ( 13C- NMR) of 91.5% or more is provided.
- a butene-based copolymer resin composition is provided, wherein the ratio of the weight average molecular weight Mw to the number average molecular weight Mn of the butene-based copolymer resin composition is 2 to 7.9.
- the butene-based copolymer (A) has 2 to 10 carbon atoms.
- a butene-based copolymer resin composition which is a copolymer unit derived from (but excluding 1-butene) (b) a propylene unit is provided.
- a butene-based copolymer resin composition is provided, wherein the butene-based copolymer resin composition further contains poly (11-butene) (B).
- a butene-based copolymer resin composition containing the butene-based copolymer (A) in an amount of 40 to 90% by weight and the poly-1-butene (B) in an amount of 60 to 10% by weight is provided.
- the above-mentioned butene-based copolymer (A) or the butene-based copolymer (A) and the polybutene-based copolymer according to any one of the ninth to eighteenth aspects is provided.
- a butene-based copolymer resin composition produced using a catalyst system containing 1-butene (B) force and the following components.
- ⁇ 26 represents a substituent having at least one element selected from carbon, hydrogen, oxygen, halogen, nitrogen, io, phosphorus, boron and silicon; and 26 may form a ring other than a benzene ring, and May contain atoms other than carbon.
- n is an integer of 2 ⁇ n ⁇ 10.
- a molded article comprising the butene-based copolymer resin composition (A) according to any one of the first to eighth inventions or the butene-based copolymer resin composition according to the ninth or nineteenth inventions /! Provided.
- a pipe is provided as a compact.
- a pipe joint as a molding is provided.
- the present invention provides a solid titanium catalyst having 4 or more carbon atoms for ⁇ -olefin polymerization. Further, according to a twenty-fifth aspect of the present invention,
- a solvent ( ⁇ /) to obtain a solution (II), which is obtained by contacting the solution (II) with a titanium compound ( ⁇ ) in a liquid state.
- a titanium catalyst is provided.
- the solid titanium catalyst for polymerization of ⁇ -olefins having 4 or more carbon atoms according to the twenty-fourth or twenty-fifth invention, which does not substantially contain a carboxylic acid derivative.
- Examples of the carboxylic acid derivative in the present invention include a carboxylic acid ester and a carboxylic acid anhydride.
- the phrase “substantially free of the carboxylic acid derivative” means that the content of the carboxylic acid derivative in the solid titanium catalyst for ⁇ -olefin polymerization is 5% by weight or less.
- the content of the carboxylic acid derivative is preferably at most 1% by weight, more preferably at most 500 ppm, particularly preferably at most 100 ppm.
- ⁇ - carbon having 4 or more carbon atoms polymerizes or copolymerizes an olefin having 4 or more carbon atoms in the presence of an organometallic compound containing a metal ( ⁇ ′) and an electron donor (C ′) added as necessary.
- ⁇ - carbon having 4 or more carbon atoms polymerizes or copolymerizes an olefin having 4 or more carbon atoms in the presence of an organometallic compound containing a metal ( ⁇ ′) and an electron donor (C ′) added as necessary.
- an organometallic compound ( ⁇ ') containing a metal selected from Group I to Group III and an electron donor (C') optionally added an a-olefin having 4 or more carbon atoms is produced.
- a method for producing a haloolefin polymer or copolymer having 4 or more carbon atoms to be polymerized or copolymerized.
- the solid titanium catalyst (A an organometallic compound containing a metal selected from Groups I to III of the Periodic Table) of the twenty-seventh or twenty-eighth invention substantially containing no carboxylic acid derivative.
- C ' electron donor
- ⁇ -olefin polymer or copolymer having 4 or more carbon atoms which polymerizes or copolymerizes 1-butene or 1-butene and another ⁇ -olefin having 4 or more carbon atoms.
- the ⁇ -olefin content of the monoolefin polymer or copolymer obtained by polymerization or copolymerization of a carbon atom having 4 or more carbon atoms is 50 mol% or more ⁇ -olefin polymer or copolymer having 4 or more carbon atoms Coalescence is provided.
- butene-based copolymer according to the present invention the resin composition thereof, the molded article thereof, the solid titanium catalyst for producing the same, and the method for producing the same will be specifically described.
- the butene-based copolymer (A) of the present invention is a copolymer of 1-butene and ⁇ -olefin having 2 to 10 carbon atoms (excluding 1-butene), and comprises 1-butene and 2 carbon atoms.
- the composition ratio with ⁇ -olefin (excluding 1-butene) is 109.9 / 0.1 to 80 to 20, preferably 99 1 to 9 OZl 0, particularly preferably 99 to 1 It is 92 no 8.
- Particularly preferred is a copolymer of 1-butene and propylene.
- the butene-based copolymer ( ⁇ ) of the present invention comprises two or more kinds of 1-butene and ⁇ - olefin having different contents of ⁇ -olefin having 2 to 10 carbon atoms (excluding 1-butene).
- a mixture of copolymers of, for example, 1-butene-olefin copolymer has a molar ratio of 99.9 / 0.:! ⁇ 80 ⁇ 20 and 80/20 ⁇ 99.9 / 0.1. It may be a mixture.
- a tertiary or quaternary copolymer further containing a small amount of a third ⁇ -olefin within a range that does not impair the properties of the copolymer ( ⁇ ) may be used.
- a small amount of 4-methyl It may be a tertiary to quaternary copolymer containing 1-pentene, ethylene, hexene, pentene, heptene and octene.
- the butene-based copolymer (A) of the present invention has a tensile modulus E measured at 23 ° C of 345 MPa or more, preferably 345 to 48 OMPa, and particularly preferably 380 to 450 MPa.
- the butene-based copolymer (A) of the present invention has a tensile modulus E measured at 95 ° C of 133 MPa or more, preferably 135 to 245 MPa.
- butene-based copolymer (A) of the present invention has both of the above-mentioned physical properties, ie, the tensile elastic modulus, or one of the tensile elastic moduli.
- the resin composition containing the butene-based copolymer (A) of the present invention has a tensile modulus E measured at 23 of 360 MPa or more, preferably 380 to 550 MPa, particularly preferably 400 to 550 MPa. 55 OMP a.
- the resin composition containing the butene-based copolymer (A) of the present invention has a tensile modulus E measured at 95 ° C. of 138 MPa or more, preferably 150 to 245 MPa.
- the resin composition containing the butene-based copolymer (A) of the present invention has both of the above-mentioned physical properties, ie, the tensile elastic modulus, or any one of the tensile elastic moduli.
- the tensile modulus E (measuring temperature 23 ° C.) of the putene copolymer (A) of the present invention is as follows:
- E (MPa)> 390-6.67x content of ⁇ -olefin having 2 to 10 carbon atoms (excluding 1-butene)
- the content of ⁇ -olefin (excluding 1-butene) of the formulas 2 to 10 is a mole percentage based on the copolymer ( ⁇ ).
- the tensile modulus ⁇ ⁇ (measuring temperature 23 ° C.) of the resin composition containing the butene-based copolymer ( ⁇ ) of the present invention is as follows:
- E (MPa)> 420-6.67x content of ⁇ -olefin having 2 to 10 carbon atoms (excluding 1-butene)
- the content of ⁇ -olefin (excluding 1-butene) having 2 to 10 carbon atoms is a mole percentage based on the whole of the yarn and the composition.
- the above inequality is represented by a graph in which the horizontal axis represents the content of ⁇ -olefin (excluding 1-butene) having 2 to 10 carbon atoms, and the vertical axis represents the tensile modulus of elasticity ⁇ . It is obtained by plotting numerical values.
- the tensile elastic modulus ⁇ of the butene-based copolymer ( ⁇ ) or the resin composition containing the butene-based copolymer ( ⁇ ) is within the above range, pipes molded from these will not It has moderate hardness so that support for preventing deformation due to its own weight will not be excessive. Further, if the above-mentioned inequality is satisfied in relation to the content of ⁇ -refined olefins having a carbon number of 2 to 10 (excluding 1-butene) having a tensile modulus of elasticity of ⁇ , for example, pipes may be used for pipe construction. The flexibility and the strength of the pipe after construction are compatible, and its practicality is high.
- the ratio MwZMn of the weight average molecular weight Mw and the number average molecular weight ⁇ of the putene copolymer ( ⁇ ) of the present invention is 2 to 30, preferably 2 to 20, more preferably 2 to 7.9, and particularly preferably 2 ⁇ 6, more preferably 2 ⁇ 5, and moldability From the standpoint of particularly emphasizing, it is desirable that the ratio be 3 to 30, preferably 3 to 20, more preferably 3 to 7.9, particularly preferably 3 to 6, and more preferably 3 to 5.
- the Mw / Mn of the resin composition containing the butene-based copolymer (A) is 2 to 30, preferably 2 to 20, more preferably 2 to 7.9, particularly preferably 2 to 6, and more preferably. Is from 2 to 5, and from the standpoint of particularly emphasizing formability, it is from 3 to 30, preferably from 3 to 20, more preferably from 3 to 7.9, particularly preferably from 3 to 6, and still more preferably. Is preferably 3 to 5.
- the butene-based copolymer (A) of the present invention or the resin composition containing the butene-based copolymer (A) has an intrinsic viscosity [77] in decalin at 135 ° C. of: 66 dl / g, preferably 2-4 d 1 Zg.
- the pipe formed from these has sufficient strength and excellent extrudability of the pipe.
- melting point Tm of the crystals of the butene-based copolymer (A) of the present invention or the resin composition containing the butene-based copolymer (A) measured by a differential scanning calorimeter is 150 ° C or less, respectively. 1.10 to 150 ° C.
- fusing point Tm means Tn measured by the following method.
- the copolymer (A) or the resin composition containing the copolymer (A) is melt-pressed at 200 ° C and held for 5 minutes, and then cooled to room temperature at a cooling rate of about 10 ° CZ.
- the sheet was pressed to form a sheet.
- T mi the melting peak of the type I crystal when the temperature was raised from 20 ° C to 200 ° C at a heating rate of 10 ° C
- the temperature was defined as T mi . Samples for which Tmi has been measured show different peaks even when similar measurements are performed, so it is necessary to make a new sample when measuring Tn. For example, Ding! !
- the butene-based copolymer (A) of the present invention or the resin composition containing the butene-based copolymer (A) may be a butene-based copolymer (A) or a resin composition measured by a differential scanning calorimeter. It is preferable that the substance has a substantially single endothermic peak (melting point Tm).
- substantially single endothermic peak means that the ratio of the area of the main peak to the total area of the endothermic peak near the melting point is 80% or more.
- the ratio of the area of the main peak is preferably 90% or more, more preferably 95% or more, and particularly preferably 98% or more.
- the butene-based copolymer (A) of the present invention or the resin composition containing the butene-based copolymer (A) has a 1Z2 crystal transition time (X-ray diffraction method) of 40 hours or less, particularly 30 hours. It is preferably less than or equal to the time.
- the butene-based copolymer (A) of the present invention has a random copolymerizability B value calculated by NMR analysis of 0.92 to: L.1, preferably 0.93 to: L.1, and
- the isotactic pentad fraction (13C-NMR) is at least 91%, preferably 91 to 100%, more preferably 92 to 100%, and particularly preferably 93 to 100%. desirable.
- the resin composition containing the butene-based copolymer (A) of the present invention has a B value of 0.90 to 1.08, preferably 0.91 to 1.08, and Isotactic pentad fraction of 91.5% or more, preferably 91.5 to It is desirable that the content be 100%, more preferably 92 to 100%, and particularly preferably 93 to 100%.
- the B value of the composition is determined from the sum of the peak areas derived from the components of the composition according to the formula described on page 63 of this specification.
- the tensile elastic modulus of the butene-based copolymer (A) or the resin composition containing the butene-based copolymer (A) is reduced. It is preferable because it will increase.
- Examples of the catalyst used for producing the butene-based copolymer (A) or the butene-based copolymer (A) and the poly-11-butene (B) of the present invention include the following Ziegler-type catalysts and metallocene-based catalysts. Although preferred, the former is more preferred. For example,
- the Group IVB metal of the Periodic Table is titanium, zirconium or hafnium, with titanium being preferred.
- the Group I to Group III metal of the periodic table is preferably aluminum.
- Examples of the Group IVB metal compound used for preparing the catalyst component (c) include Ti (ORa) g X 4 _ g (Ra is a hydrocarbon group having 1 to 10 carbon atoms, X is a halogen atom, and g is 0 ⁇ g 4).
- the titanium compounds may be used alone or in combination of two or more. Further, the titanium compound may be a hydrocarbon or a halogenated hydrocarbon. It may be diluted.
- the magnesium compound used for preparing the catalyst component (c) may or may not have a reducing property.
- the magnesium compound can be used alone, but may be used after forming a complex compound with an organic aluminum compound described later. Further, the magnesium compound may be liquid or solid.
- the magnesium compound having a reducing property is a magnesium compound having a magnesium-carbon bond or a magnesium hydrogen bond.
- the non-reducing magnesium compound may be a compound derived from the above-mentioned reducing magnesium compound or a compound derived during the preparation of the catalyst component (c).
- the magnesium compound having no reducing property is, for example, Mg (OR b ) h X 2 _ h (R b is an alkyl group having 1 to 10 carbon atoms, X is a halogen atom, and h is a number of 0 2.
- a magnesium compound having a reducing property is contacted with a compound such as a polysiloxane compound, a halogen-containing silane compound, a halogen-containing aluminum compound, an ester, or an alcohol.
- a complex compound, a complex compound of the above-mentioned magnesium compound and another metal, or a mixture of another metal compound can also be used. Further, a mixture of two or more of the above magnesium compounds may be used.
- a liquid titanium compound having no reducing property is reacted with a liquid titanium compound in the presence of an electron donor to form a solid titanium complex. Can be deposited. This method is described, for example, in JP-A-58-83006.
- an electron donor is further used.
- the electron donor include alcohols, phenols, ketones, aldehydes, carboxylic acids, esters of organic or inorganic acids, ethers, and acids. Including amides and acid anhydrides Examples include oxygen electron donors, nitrogen-containing electron donors such as ammonia, amine, nitrile, and isocyanate.
- Preferred compounds are ethers, and particularly preferred compounds are compounds having two or more ether bonds, such as the following diethers.
- R1 ⁇ R26 carbon, hydrogen, oxygen, a substituent having halogen, nitrogen, Iou, phosphorus, at least one element selected from boron and Kei element, any Ri ⁇ R 26 cooperates (A ring other than a benzene ring may be formed, and atoms other than carbon may be contained in the main chain. ⁇ is an integer of 2 ⁇ 10.)
- Examples of the compound having two or more ether bonds include 2- (2-ethylhexyl) -1,3-dimethoxypropane, 2-isopropyl-1,3-dimethoxypropane, and 2-cyclohexyl-1 , 3-dimethyl Tokishipuropan, 2- (Kishinoreechiru to 2 Shikuro) one 1, 3 - dimethyl Tokishipuropan, 2- Mechinore 2- ethylhexyl one 1 cyclohexane, 3-dimethyl Tokishipuropan, 2- Isobuchiru 2- isopropoxy opening pill _ Examples thereof include 1,3-dimethoxypropane, and preferred are 2-isopropyl-12-isopentyl-1,1,3-dimethoxypropane, 2,2-diisobuty.lu 1,3-dimethoxypropane, 2,3-dimethoxypropane 2-dicyclohexynole-1,3-dimethoxypropan
- R 5 and R 6 are hydrogen or an unsubstituted or substituted hydrocarbon group having 1 to 10 carbon atoms
- R 3 and R 4 are hydrogen or an unsubstituted or substituted carbon group having 1 to 10 carbon atoms.
- a hydrocarbon group, R3 and R 4 may be linked to each other.
- R3, at least one of R 4 is preferably a hydrocarbon group having unsubstituted or substituted group.
- the hydrocarbon group having a substituent of R 1 ⁇ R 6, N, 0 those containing heteroatoms such as S, for example C one O- C, COOR, COO H, OH, S_ ⁇ 3 H, one Those having a group such as C—N—C- and NH 2 are mentioned.
- Preferred esters of organic acids are diisobutyl phthalate and the like.
- R 7 CO ⁇ R 8 (wherein, R 7 and R 8 are an optionally substituted hydrocarbyl group having 1 to 10 carbon atoms, at least one of which is branched (including alicyclic) Or a ring-containing chain group). Carbonate can also be selected. It is not necessary to use an electron donor as a starting material for the preparation of the solid catalyst component (c), but a compound that can be converted to an electron donor during the preparation of the solid catalyst component (c). Things can also be used.
- the solid catalyst component (c) in the present invention is produced by bringing a magnesium compound (including metallic magnesium), a titanium compound, and an electron donor into contact with each other as described above.
- a magnesium compound including metallic magnesium
- a titanium compound including metallic magnesium
- an electron donor such as aluminum
- a known method for preparing a highly active titanium catalyst component from a donor can be employed.
- the above components may be brought into contact in the presence of another reaction reagent such as, for example, silicon, phosphorus, and aluminum.
- the amount of each of the above-mentioned components used in preparing the solid catalyst component (c) varies depending on the preparation method and cannot be specified unconditionally.
- the amount of the electron donor is about 0.01-
- the titanium compound is used in a ratio of about 10 mol, preferably 0.05 to 5 mol, and the titanium compound is used in a ratio of about 0.01 to 500 mol, preferably 0.05 to 300 mol.
- the solid catalyst component (c) thus prepared contains magnesium, titanium, halogen and an electron donor.
- the halogen titanium (atomic ratio) is about 4 to 200, preferably about 5 to 100
- the electron donor Z titanium (molar ratio) is about 0.1 to 10 And preferably about 0.2 to about 6
- magnesium titanium (atomic ratio) is about 1 to 100, preferably about 2 to 50.
- the solid catalyst component (c) contains magnesium halide having a smaller crystal size than a commercially available magnesium halide, and has a specific surface area of about 50 m 2 / g or more, preferably about 60 to 100 m. 2 Zg, more preferably from about 1 0 0 ⁇ 8 0 0m 2 Z g .
- the solid catalyst component (c) does not substantially change its composition due to hexane washing because the above components are combined to form a catalyst component.
- the solid catalyst component (c) can be used alone, or can be diluted with an inorganic compound or an organic compound such as a silicon compound, an aluminum compound, or a polyolefin.
- the organometallic compound catalyst component containing a Group I to Group III metal of the periodic table is typically an organoaluminum compound catalyst component, and is a compound having at least one aluminum-carbon bond in the molecule. is there.
- organoaluminum compound catalyst component typically an organoaluminum compound catalyst component, and is a compound having at least one aluminum-carbon bond in the molecule. is there.
- Rc and Rd are hydrocarbon groups having 1 to 15 carbon atoms, which may be the same or different from each other.
- X represents a halogen atom
- j is 0 and j ⁇ 3
- k is 0 ⁇ k ⁇ 3
- m is 0 ⁇ m ⁇ 3
- p is a number of 0p ⁇ 3
- j + k + m + p 3.
- Rc and ⁇ Rd is preferably a hydrocarbon group having 1 to 4 carbon atoms.
- the organoaluminum compound belonging to (i) is exemplified.
- an alkyl aluminum in which two or more aluminum compounds are bonded can be used.
- the organosilicon compound catalyst component (e) optionally added to the solid catalyst component (c) and the organometallic compound catalyst component (d) may be a penpentyl group, a pententhyl group, a cyclopentenyl group or a cyclopentagenenyl group thereof. It is an organic silicon compound containing a derivative in its structure, and examples thereof include compounds represented by the following general formula.
- R f is an alkyl group or a cyclopentyl group
- R g is an alkyl group, particularly a methyl or ethyl group.
- organic silicon compound represented by the following general formula can also be used.
- Rf and Rg are the same as above. R is a number from 0 to r x 4.
- R f and Rg are not particularly limited, and examples thereof include a methyl, ethyl, isopropyl, pheninole, cyclopentinole, cyclopenteninole, and cyclopentageninole group.
- R f and Rg may be the same or different.
- ethyl triethoxy silane, n-propyl triethoxy silane, phenyl triethoxy silane, dicyclohex ⁇ dimethyl silane, dicyclo pentyl dimethoxy silane, cyclopentyl dimethyl methoxy silane, etc. are preferred.
- the butene-based copolymer (A) of the present invention and the resin composition containing the copolymer ( ⁇ ) are obtained by copolymerizing 1-butene with ⁇ -olefin in the presence of the above-mentioned catalyst. Before the copolymerization (main polymerization), a preliminary polymerization as described below may be performed.
- the solid catalyst component (c) is usually used in combination with at least a part of the organometallic compound catalyst component (d). At this time, the organic silicon compound A part or all of the medium component (e) may coexist.
- a catalyst having a considerably higher concentration than the catalyst concentration in the system in the main polymerization can be used.
- the concentration of the solid catalyst component (c) in the prepolymerization is, for example, usually about 0.5 to 100 mmol, preferably about 1 to 5 mmol, in terms of titanium atom, per liter of an inert hydrocarbon medium described later. The range is 0 mmol.
- the amount of the organometallic compound catalyst component (d) is such that a polymer of 0.1 to 500 g, preferably 0.3 to 300 g per lg of the solid catalyst component (c) is produced.
- the amount is, for example, usually about 1 to 100 mol, preferably about 0.5 to 50 mol, per 1 mol of titanium atom in the solid catalyst component (c).
- the prepolymerization is preferably carried out under mild conditions by adding ⁇ -olefin and the above catalyst component to an inert hydrocarbon medium.
- Inert hydrocarbon media used for prepolymerization include aliphatic hydrocarbons such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane, and kerosene: cyclopentane, cyclohexane, methylcyclopentane, etc.
- Alicyclic (alicyclic) hydrocarbons aromatic hydrocarbons such as benzene, toluene, and xylene: halogenated hydrocarbons such as ethylene chloride and chlorobenzene, and mixtures thereof.
- aliphatic hydrocarbons such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane, and kerosene: cyclopentane, cyclohexane, methylcyclopentane, etc.
- Alicyclic (alicyclic) hydrocarbons aromatic hydrocarbons
- the ⁇ -olefin used in the prepolymerization may be the same as or different from the ⁇ -olefin used in the main polymerization, and may have 2 to 10 carbon atoms, preferably 3 to 10 carbon atoms. It is.
- the prepolymerization results in a highly crystalline ⁇ -olefin polymer.
- a molecular weight regulator such as hydrogen may be used.
- the molecular weight regulator has an intrinsic viscosity [ ⁇ ] of a polymer obtained by prepolymerization measured in decalin at 135 ° C. of about 0.2 d 1 / g or more, preferably about 0.5 to 10 d 1 Zg. Use in such an amount that
- the prepolymerization is carried out as described above, for example, to produce about 0.1 to 500 g, preferably about 0.3 to 300 g, of polymer per g of titanium catalyst component.
- the prepolymerization can be carried out either in a batch system or a continuous system.
- the pre-polymerization as described above or without the pre-polymerization it is formed from the solid catalyst component (c), the organometallic compound catalyst component (d) and the organosilicon compound catalyst component (e) described above.
- the main polymerization is carried out to produce a copolymer of 1-butene of the present invention and 1-olefin of carbon number (excluding 1-butene). Is preferred.
- the main polymerization may be performed by any of a liquid phase polymerization method such as solution polymerization and suspension polymerization or a gas phase polymerization method.
- the solvent is preferably an inert hydrocarbon solvent, but a liquid olefin can be used under polymerization conditions.
- the molar ratio of haloolefin to 1-butene in the gas phase in the reactor is from 0.001 to 0.1, preferably from 0.002 to 0.08.
- the polymerization temperature may be any temperature at which the formed polymer does not substantially dissolve in the inert hydrocarbon medium, and is usually about 120 to 100 ° C (preferably, about 120 to + 80 ° C, More preferably, the temperature is in the range of from ⁇ to 10 ° C., and the pressure is usually from normal pressure to ixl OMPa, preferably from 2 ⁇ 10 to iMPa.
- the main polymerization can be performed in a batch system, a semi-continuous system, or a continuous system, and a multi-stage polymerization can be performed by changing polymerization conditions.
- the resin composition containing the butene-based copolymer (A) of the present invention is usually a composition containing the butene-based copolymer (A) of the present invention and another polymer. It is preferable that the resin composition is a mixture of the homopolymer and / or copolymer of hyolephine obtained by separately polymerizing A).
- Preferred as the polymer to be mixed with the butene-based copolymer (A) of the present invention are homo- or copolymers of haloolefins having 2 to 20 carbon atoms, and more preferred are those having 4 to 20 carbon atoms. Is a homopolymer or a copolymer of olefin.
- the preferred composition ratio is 40 to 90% by mass of the butene-based copolymer (A) of the present invention and 60 to 10% by mass of the other polymer, and more preferably 60 to 90% by mass and 40 to 90% by mass, respectively.
- 1 0 mass 0/0 mixing (co) polymer for example, to forming a pipe from a resin composition
- a butene-based copolymer different from the butene-based copolymer (A) of the present invention in particular, poly-1-butene (B;), especially a butene-based copolymer (A) ' Poly (1-butene) (B) polymerized using a suitable catalyst for this purpose is preferred.
- Poly one 1-butene (B) is 30% by weight of the total resin or less, preferably 30 to 5 weight 0/0 mixture. Also, alpha butene copolymer in the pipe (A) - old Refuin content, and preferably the propylene content is mixed such that less than 1 mole percent to 10 mol 0/0, extrudability Is improved.
- a butene copolymer ( ⁇ ) having a carbon number of 2 to 10 (but excluding 1-butene) having a content of more than 1 mol%, an ⁇ -olefin having a carbon number of 2 to 10 (where 1 except Puten) mixture of content is 1 mol 0/0 following poly one 1-butene (beta) is particularly preferred.
- the poly-1-butene ( ⁇ ) to be mixed preferably has a molecular weight of 1 to 5 d1 Zg in intrinsic viscosity. Further, when a composition of the butene-propylene copolymer (A) and the poly-1-butene (B) is used, the molecular weight of the butene-propylene copolymer (A) and the poly-1-butene (B) is 1—Intrinsic viscosity of butene (B) [77] Ratio of B and butene-propylene copolymer (A) [77] BP, [7?] B /
- BP has a relationship of 0.1 to 1.0, preferably 0.2 to 0.9, particularly preferably 0.3 to 0.8.
- the butene-based copolymer (A) of the present invention or a resin composition containing the butene-based copolymer (A) may contain another polymer, for example, ethylene copolymer, as long as the physical properties of the present invention are not impaired.
- a flexible olefin copolymer such as an ethylene random copolymer such as a propylene random copolymer or a styrene block copolymer such as SEBS, SBS or SEPS may be contained.
- butene copolymer (A) or the resin composition of the present invention usually contains for example, various types of compounding agents used, for example, heat stabilizers, weather stabilizers, slip agents, nucleating agents, pigments, dyes, and lubricants may be added.
- various types of compounding agents used for example, heat stabilizers, weather stabilizers, slip agents, nucleating agents, pigments, dyes, and lubricants may be added.
- nucleating agent examples include polyethylene wax, polypropylene wax, polyethylene, polypropylene, polystyrene, nylon (polyamide), polycaprolactone, tanolek, titanium oxide, 1,8-naphthalimide, phthalimide, and arizarin.
- amide compounds can be particularly preferably used.
- the method for preparing the resin composition of the present invention is not particularly limited.
- a method of separately polymerizing the copolymer (A) and the mixing polymer, and stirring and mixing the resulting polymerization solutions as they are, for example, can be used.
- the resin composition is formed into a molded body by a conventional method using a single-screw extruder or a multi-screw extruder, for example.
- Specific examples include molded articles of various shapes such as pipes, pipe joints, sheets, and boxes.
- composition of the solid titanium catalyst (A ′) of the present invention is as follows: (a,) magnesium: 5 to 35% by mass, preferably 8 to 30% by mass, more preferably 10 to 28% by mass, and still more preferably 1 2 to 25% by weight, (b ') a titanium: from 0.3 to 10 weight 0/0, favored properly is from 0.5 to 8 wt%, more preferably from 0.8 to 6 wt%, more preferably 1 to 5 mass%, (c,) a halogen: 30 to 75 wt%, preferably 35-75 wt%, more preferably 38 to 72 wt%, more preferably 40 to 70 weight 0/0,
- (f ') solubilizing agent 0.05 to 7% by mass, preferably 0.1 to 5% by mass, more preferably 0.15 to 4% by mass, and still more preferably 0.2 to 5% by mass. 3% by mass.
- the content of the hydrocarbon (e') is 20% by mass. If the ratio exceeds the above range, agglomeration between the catalyst particles may occur, and the particle properties of the catalyst may be deteriorated, and the particle properties of the obtained ⁇ -olefin polymer may be deteriorated.
- the solid titanium catalyst ( ⁇ ′) preferably does not substantially contain a carboxylic acid derivative.
- the structure of the solid titanium catalyst ( ⁇ ') and the bonding state of each component are unknown, but the catalyst ( ⁇ ') is thoroughly washed with a large amount of hexane, and 0.1 l ⁇ l To rr at room temperature. After drying for more than 2 hours, the content of each component is determined by measuring with ICP (Atomic Absorption Spectroscopy), GC, etc.
- the solid titanium catalyst (A ′) may contain components other than the components (a ′) to (f ′), for example, a carrier.
- the content of such other components is 50% by mass or less, preferably 40% by mass or less, more preferably 30% by mass or less, and further preferably 20% by mass. / 0 or less.
- the solid titanium catalyst (A ′) of the present invention is prepared by bringing a halogen-containing magnesium compound ( ⁇ ) into contact with a solubilizer ( ⁇ ) capable of dissolving the halogen-containing magnesium compound (H) in a solvent ( ⁇ ).
- a solution (I) is obtained, and a first compound ( ⁇ ) having two or more ether bonds present through a plurality of atoms is added to the solution (I) to obtain a solution (II).
- the solution (II) may be prepared by bringing the first compound ( ⁇ ) into contact with the solvent ( ⁇ ).
- the solid titanium catalyst () ′) of the present invention is prepared by bringing a halogen-containing magnesium compound (c) into contact with a halogen-containing magnesium compound (a solubilizer ( ⁇ ) capable of dissolving c) in a solvent ().
- a solubilizer ( ⁇ ) capable of dissolving c) in a solvent ().
- a solution (I) To obtain a solution (I), and to the solution (I) is added a first compound ( ⁇ ) having two or more ether bonds present through a plurality of atoms to obtain a solution (II).
- a liquid compound (III) is brought into contact with (II) to obtain a solution (III), and a second compound ( ⁇ ) having two or more ether bonds existing through a plurality of atoms in the solution (III) is obtained.
- a solution (IV) ⁇ The solid is separated from the solution (IV) by a method comprising separating the halogen-containing magnesium compound ( ⁇ ), the solubilizing agent ( ⁇ )
- the solution (II) is prepared by contacting the compound ( ⁇ ) with the solvent ( ⁇ ) in
- One example of the method for producing the solid titanium catalyst ( ⁇ ′) of the present invention is described below in the case of using an alcohol as the solubilizing agent ( ⁇ ) ⁇ . There is essentially no change when using ().
- a halogen-containing magnesium compound (a) is contacted with an alcohol in a hydrocarbon solvent ( ⁇ ), and a homogeneous solution (halogen) dissolved in a mixed solvent of a halogen-containing magnesium compound), an alcohol and a hydrocarbon solvent ( ⁇ ) (Magnesium compound solution containing) (I) is prepared.
- the alcohol is used in an amount of 1 to 40 mol, preferably 1.5 to 20 mol, based on 1 mol of the halogen-containing magnesium compound ( ⁇ ), and the hydrocarbon solvent ( ⁇ ) is used as the halogen-containing magnesium compound ( ⁇ ).
- ( ⁇ ) is used in a proportion of 1 to 30 mol, preferably 1.5 to 15 mol, per 1 mol.
- the contact temperature is between 60 and 300 ° C, preferably between 100 and 200 ° C.
- the time is 15 to 300 minutes, preferably 30 to 120 minutes.
- the first compound ( ⁇ ) having two or more ether bonds existing through a plurality of atoms is added to the magnesium compound solution (I) and a homogeneous solution (magnesium-polyether solution) (II ) Is prepared.
- the first compound ( ⁇ ) having two or more ether bonds existing through a plurality of atoms contributes to solubilization of the halogen-containing magnesium compound (c3 ⁇ 4) in the hydrocarbon solvent (y).
- 1 compound ( ⁇ ) is used in an amount of 0.01 to 1.0 mol, preferably 0.1 to 0.5 mol, per 1 mol of the halogen-containing magnesium compound ( ⁇ ) in the magnesium compound solution (I). Used in proportion.
- the contact temperature is from 120 to 130 ° C, preferably from 20 to 200 ° C, and the contact time is from 5 to 240 minutes, preferably from 10 to 120 minutes. .
- a magnesium-polyether solution (II) is brought into contact with a liquid state titanium compound ( ⁇ ), and a mixed solution containing a halogen-containing magnesium compound ( ⁇ ) and a liquid state titanium compound ( ⁇ ) (Titanium solution) (III) is prepared.
- the liquid titanium compound ( ⁇ ) is a ratio of 2 to 100 g atoms, preferably 4 to 50 g atoms, per 1 g of magnesium in the magnesium-polyether solution (II). Used in
- the contact temperature is from 170 to + 200 ° C, preferably from 170 to + 500 ° C, and the contact time is from 5 to 300 minutes, preferably from 30 to 180 minutes. It is.
- the magnesium-titanium solution (III) is heated to 20 to 300 ° C., preferably 50 to 150 ° C., to obtain a suspension of the solid titanium catalyst (A ′).
- the heating time is from 10 to 360 minutes, preferably from 30 to 300 minutes.
- the suspension of the solid titanium catalyst (A ') is separated into solid and liquid by filtration or the like, and a solid (solid titanium catalyst) is collected. Then, the solid is brought into contact with the liquid titanium compound ( ⁇ ). Is also good.
- the obtained solid titanium catalyst ( ⁇ ′) can be dried or washed with a hydrocarbon solvent ( 7 ) to obtain an ⁇ -olefin polymerizable catalyst having 4 or more carbon atoms.
- Hydrocarbon solvent ( ⁇ ) Can be used as a catalyst for ⁇ -olefin polymerization having 4 or more carbon atoms.
- a magnesium monopolyether solution (II) is brought into contact with a liquid titanium compound ( ⁇ ) to obtain a magnesium monotitanium solution (III), which is then contacted with a solubilizing agent ( ⁇ ). Is also good. In this case, it is preferable to heat the magnesium-titanium solution (III) and then contact the solubilizing agent (). Only in the case of this production method, a second compound ( ⁇ ′) having two or more ether bonds existing through a plurality of atoms can be used as the solubilizing agent (iS).
- solubilizer ( ⁇ ) is used in a ratio of 0.01 to 5 mol, preferably 0.1 to 1 mol, per 1 mol of the halogen-containing magnesium compound (a).
- the halogen-containing magnesium compound ( ⁇ ) used in the present invention is magnesium halide such as magnesium chloride, magnesium bromide, magnesium iodide, and magnesium fluoride; methoxymagnesium chloride, ethoxymagnesium chloride, and isopropoxymagnesium chloride.
- Alkoxymagnesium halides such as butoxymagnesium chloride, octoxymagnesium chloride; aryloxy, such as phenoxymagnesium chloride and methylphenoxymagnesium chloride
- the magnesium compound ( ⁇ ) may be a complex compound with another metal, a complex compound, or a mixture with another metal compound. Further, a mixture of two or more of these compounds may be used. Of these, magnesium halide is preferred, and magnesium chloride is particularly preferred.
- the halogen-containing magnesium compound (a) forms the magnesium (a ') and the halogen (c') of the solid titanium catalyst (A ') of the present invention.
- the solubilizer () used in the present invention has an action of dissolving the halogen-containing magnesium compound ( ⁇ ) in the solvent ( ⁇ ).
- Preferred compounds include alcohols, esters including metal acid esters, and ethers other than compounds ( ⁇ , ⁇ ′) having two or more ether bonds existing through a plurality of atoms.
- the solubilizing agent ( ⁇ ) corresponds to the solubilizing agent (f ′) constituting the solid titanium catalyst ( ⁇ ′) of the present invention.
- the alcohol include ethylene glycol, methyl carbitol, 2-methylpentanole, 2-ethylbutanol, n-heptanol, n-octanore, 21-ethylhexanol, decanol, dodecanol, tetradecyl alcohol, pendecenol Aliphatic alcohols such as oleyl alcohol and stearyl phenol alcohol; alicyclic (alicyclic) alcohols such as cyclohexanol and methylcyclohexanol; benzyl alcohol, methyl benzyl alcohol, isopropyl benzyl alcohol, ⁇ —Aromatic alcohols such as methylbenzinole alcohol, ⁇ , and dimethylbenzyl alcohol; and aliphatic alcohols containing an alkoxy group such as ⁇ -butyltyl sonoloneb, 1-butoxy-2-propanol Or the like can be mentioned Le.
- Aliphatic alcohols such
- esters include methyl formate, methyl citrate, ethyl acetate, vinyl acetate, propyl acetate, octinole acetate, cyclohexyl acetate, ethyl propionate, methyl butyrate, ethyl ethyl valerate, methyl chloroacetate, ethyl ethyl dichloroacetate.
- Metallic acid esters are also effective and are included in the esters of the present invention. Specific examples include titanates, panadates, niobates and zirconates.
- titanate esters examples include methyl orthotitanate, ethyl orthotitanate, mono- ⁇ -propyl orthotitanate, isopropyl orthotitanate, mono- ⁇ -butynole orthotitanate, isoptyl onoletotitanate, _ ⁇ -amyl onoletotitanate, orthotitanium Esthenol orthotitanates such as 2-ethylhexyl acid, mono- ⁇ -octyl orthotitanate, phenolyl onoletitanate and hexyl orthotitanate;
- vanadate ester, estenolate niobate and zirconate ester include those obtained by substituting titanium of the above titanate with vanadium, niobium or zirconium.
- ethers other than the compound having two or more ether bonds ( ⁇ , ⁇ ′) existing through a plurality of atoms include methyl ether, ethyl ether, isopropyl ether, butynole ether, amyl ether, tetrahydrofuran, and anisol. And ethers having 2 to 20 carbon atoms such as diphenyl ether.
- linking group Is at least one selected from the group consisting of carbon, silicon, oxygen, nitrogen, zeolite, phosphorus, and boron.
- linking groups are relatively bulky substituents, specifically, linear, branched, or cyclic substituents having 2 or more carbon atoms, preferably 3 or more carbon atoms, and more preferably a branched or cyclic substituent.
- the substituent preferably has a plurality of carbon atoms, preferably 3 to 20, more preferably 3 to 10, and particularly preferably 3 to 7.
- the polyether ( ⁇ , ⁇ ′) a plurality of types may be used. Also, the same polyether can be used as the first polyether and the second polyether, or different polyethers can be used.
- the polyether ( ⁇ , ⁇ ') corresponds to the compound (d') having two or more ether bonds existing through a plurality of atoms constituting the solid titanium catalyst ( ⁇ ') of the present invention.
- the polyether ( ⁇ , ⁇ ′) for example, a compound represented by the following formula can be mentioned.
- n is an integer of 2 ⁇ n ⁇ 10
- R i to R 26 are at least one kind selected from carbon, hydrogen, oxygen, halogen, nitrogen, zeolite, phosphorus, boron, and silicon.
- polyether ( ⁇ , ⁇ ') As the polyether ( ⁇ , ⁇ '), specifically,
- 1,3-diethers are preferred, and in particular, 2,2-diisobutyl-1,3-dimethoxypropane, 2-isopropyl-2-isopentyl-1,3-dimethoxypropane, 2,2-dicyclopropane Hexyl-1,3-dimethoxypropane, 2,2-bis (cyclohexylmethyl) 1,3-dimethoxypropane, 2-isopropyl-2-cyclohexyl-1,3-dimethoxypropane, 2- Isopropyl-2-s-butyl-1,3-dimethoxypropane, 2,2-diphenyl-1,3-dimethoxypropane, 2-isopropyl-2-cyclopentino-1,3-dimethoxypropane are preferred.
- Examples of the titanium compound ( ⁇ ) in a liquid state used in the present invention include a tetravalent halogen-containing titanium compound represented by the following formula.
- R is a hydrocarbon group
- X is a halogen atom
- m is 0 ⁇ m Is a number.
- Titanium halides such as TiCl 4 , TiBr 4 and Til 4 ; Ti (OCH 3 ) Cl 3 , Ti ( ⁇ C 2 H 5 ) Cl 3 , Ti (On-C 4 H 9 ) Cl 3 , Ti ( ⁇ C 2 ( H 5 ) Br 3 , Ti (OisoC 4 H 9 ) Br 3 and other trihalogenated alkoxytitanium; Ti (OCH 3 ) 2 Cl 2 , Ti (OC 2 H 5 ) 2Cl 2 , Ti ( ⁇ nC 4 H 9 ) 2 C1 2, Ti ( ⁇ C 2 H 5) 2 dihalogenated such Bi'2 Arukokishichita emissions; Ti (OCH 3) 3 Cl , Ti (OC 2 H 5) 3 Cl, Ti (On_C 4 H 9) Monohalogenated alkoxy titanium such as 3 Cl, Ti (OC 2 H 5 ) 3 Br; Ti (OCH 3 ) 4 , Ti (OC 2 H 5 ) 4 , Ti ( ⁇ n-C4H 9 )
- the titanium compound ( ⁇ ) may be used alone or in the form of a mixture. Alternatively, they may be diluted with the following solvent (y) before use.
- the solvent ( ⁇ /) used in the present invention include aliphatic hydrocarbons such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane, and kerosene; cyclopentane, cyclohexane, Alicyclic (alicyclic) hydrocarbons such as methylcyclopentane; aromatic hydrocarbons such as benzene, toluene, and xylene; halogenated hydrocarbons such as ethylene chloride and chlorobenzene, or mixtures thereof be able to. Of these, aliphatic hydrocarbons are preferred, and decane is particularly preferred.
- the solvent (y) corresponds to the hydrocarbon (e ') of the solid titanium catalyst (A') of the present invention.
- Solid titanium catalyst (A ') is an organometallic compound of metals from Groups I to III of the periodic table. Combined with the catalyst component consisting of the compound ( ⁇ '), it is subjected to the polymerization of a olefin having 4 or more carbon atoms. For example, using a first polymerization catalyst formed from a solid titanium catalyst ( ⁇ '), an organoaluminum compound ( ⁇ ') and, if necessary, an electron donor (C '), The ⁇ -olefin is polymerized.
- organometallic compounds ( ⁇ ′) of metals belonging to Groups I to III of the Periodic Table used in the polymerization of the present invention include, for example, organoaluminum compounds represented by the following formula.
- Ra is a hydrocarbon group having 1 to 12 carbon atoms
- X is a halogen or hydrogen
- n is a number from! To 3.
- Ra is a hydrocarbon group having 1 to 12 carbon atoms, for example, an alkyl group, a cycloalkyl group or an aryl group, and specifically, a methyl group, an ethyl group, an n-propyl group Isopropyl group, isobutyl group, pentyl group, hexyl group, octyl group, cyclopentyl group, cyclohexyl group, phenyl group, and trinole group.
- organoaluminum compounds examples include trialkylaluminum such as trimethylaluminum, triethylaluminum, triisopropylaluminum, triisobutylaluminum, trioctylaluminum, tri2-ethylhexylaluminum; and alkenylaluminum such as isosoprenylaluminum.
- Dialkylaluminum halides such as dimethylaluminum chloride, getylaluminum chloride, diisopropylaluminum chloride, diisobutylaluminum chloride, dimethylaluminum bromide, etc .; methylanole mini-dimse sesquichloride, ethylaluminum sesquichloride Alkyl aluminum sesquihalides, such as chloride, isopropyl alcohol, etc.
- organoaluminum compound a compound represented by the following formula can also be used.
- R a is as defined above, Y one ⁇ _R b group, one OS i (R c) groups, one OA 1 2 group, - NR e 2 group, - S iR f 3 group or - N (R g ) AlR h 2 groups
- n is a number from: to 2 and R b
- Rc, R d and R h are methyl, ethyl, isopropyl, isobutyl, cyclo hexyl group, and the like phenyl group
- R e is hydrogen, methyl, Echiru group, an isopropyl group, phenyl group, and the like trimethylsilyl group
- R f and R g as this which is such as a methyl group, Echiru group
- Specific examples of the organoaluminum compound include the following compounds.
- a compound represented by R a ⁇ ⁇ ( ⁇ SiR c 3 ) 3 n for example, Et 2 Al (OSiM e 3 ), (iso-B) 2 Al (0 SiMes), (iso-Bu) 2 Al ( 0 SiEts) etc .;
- R a n Al (OA 1 R d 2) a compound represented by 3 n, e.g., Et 2 Al_ ⁇ _AlE t 2, (iso- B u) 2 AIO Al (iso- B u) 2 and the like;
- R a n Al (NR e 2 ) 3 in the compounds represented by -n for example, Me 2 AlNEt 2, E AlNHMe , Me 2 AlNHEt, Et 2 AlN (Me 3 Si) 2, (iso'Bu) 2 AlN (Me 3 Si) 2 etc .;
- R a n Al (SiR f 3 ) a compound represented by sn, such as (iso-Bu) 2 AlSiMe 3 ;
- R a n A1 (N (R & ) AlR h 2 ) 3 -n for example, a compound represented by Et 2 AlN (Me) AlEt 2 , (iso-Bu) 2 AlN (Et) Al (iso-Bu 2 ) and so on.
- R a 3 Al, R a n Al (OR to) 3 - is n
- Organometallic compounds (B ') of metals belonging to Groups I to III of the Periodic Table represented by these organoaluminum compounds are also used when producing a prepolymerization catalyst.
- the electron donor (C ′) used in the present invention is represented by, for example, the solubilizing agent ( ⁇ ) used in preparing the solid titanium catalyst component ( ⁇ ′) and the following formula (i). Silicon compounds can be mentioned.
- R 7 is a secondary or tertiary hydrocarbon group; and when n is 2 or 3, at least one of is secondary. Also Is a tertiary hydrocarbon group, R 7 may be the same or different, and R 8 is a hydrocarbon group having 1 to 4 carbon atoms, and when 4-n is 2 or 3, , R 8 may be the same or different.
- the secondary or tertiary hydrocarbon group may be a cyclopentyl group, a cyclopentenyl group, a cyclopentagenenyl group, a group having a substituent or a group adjacent to the silicon group. And a tertiary hydrocarbon group.
- Examples of the substituted cyclopentyl group include a 2-methylcyclopentyl group, a 3-methylcyclopentyl group, a 2-ethylcyclopentynole group, a 2-n-butylcyclopentynole group, a 2,3-dimethynolecyclopentyl group, and a 2,4 -Dimethylcyclopentyl group, 2,5-dimethinoresic pentyl group, 2,3-Diethylsuccinic pentyl group, 2,3,4-trimethylsic pentyl group, 2,3,5-trimethylsic pentyl group, 2, Cycle-opening pentyl groups having an alkyl group such as a 3,4-triethylcyclopentyl group, a tetramethylcyclopentyl group, and a tetraethylcyclopentyl group can be exemplified.
- Examples of the substituted cyclopentenyl group include 2-methylcyclopentenyl group, 3-methylcyclopentenyl group, 2-ethynolecyclopentenyl group, 2-n-butylcyclopentenyl group, and 2,3-dimethylcyclopentenyl group.
- Examples of the substituted cyclopentenyl group include a 2-methylcyclopentagel group, a 3-methylcyclopentagel group, a 2-ethylcyclopentagenenyl group, and a 2-n-butylcyclopentagenenyl group.
- hydrocarbon group in which the carbon adjacent to silicon is a secondary carbon examples include an isopropyl group, an s-butyl group, an s-amyl group, and a -methylbenzyl group.
- hydrocarbon group having a tertiary carbon examples include t-butyl, t-amyl, hi, ⁇ '-dimethylbenzyl, and admantyl.
- n 1, cyclopentyltrimethoxysilane, 2-methylcyclopentyltrimethoxysilane, 2,3-dimethylinocyclopentyltrimethoxysilane, cyclopentinoletriethoxysilane
- examples include trialkoxysilanes such as orchid, iso-butyltriethoxysilane, t-butyltriethoxysilane, cyclohexyltrimethoxysilane, cyclohexyltriethoxysilane, 2-norbornanetrimethoxysilane, and 2-norbornanetriethoxysilane.
- n 2, dicyclopentyl ethoxy silane, t-butyl methyl dimethoxy silane, t-butyl methyl ethoxy silane, t_ amyl methyl ethoxy silane, dicyclohexyl / resin methoxy silane, cyclohexyl methinoresethoxy silane, cyclo Examples are dialkoxysilanes such as hexinolemethylethoxysilane and 2-nonoleponolenanemethyldimethoxysilane.
- the silicon compound represented by the formula (i) is preferably a dimethoxy compound represented by the following formula (ii).
- Examples of the silicon compound represented by the above formula (ii) include, for example, dicyclopentyl dimethoxysilane, dicyclopenteninoresimethoxysilane, dicyclopentadienyldimethoxysilane, di-t-butyldimethoxysilane, di (2-methylcyclopentyl) dimethoxysilane, Di (3-methylcyclopentyl) dimethoxysilane, di (2-ethylcyclopentyl) dimethoxysilane, di (2,3-dimethylcyclopentyl) dimethoxysilane, di (2,4-dimethylcyclopentinole) dimethoxysilane, di (2,5-dimethylcyclopentyl) dimethoxysilane, di (2,3-dimethylcyclopentyl) dimethoxysilane, di (2,3,4-trimethylcyclopentyl) dimethoxysilane, di (2,3,5-trimethylcycl
- n 3
- Monoalkoxysilanes such as toxic silane, cyclopentyl dimethyl methoxy silane, and pentinoresin methionoleethoxy silane.
- the polymerization of halofin having 4 or more carbon atoms is carried out using a solid titanium catalyst (A, an organometallic compound (B ') of a metal belonging to Group I to Group III of the periodic table, and, if necessary, an electron donor.
- C ′ the solid titanium catalyst (A ′) is usually converted to titanium atoms per liter of charged volume, and is usually used. It is used in an amount of about OG 01 to 0.5 mmol, preferably about 0.005 to 0.1 mmol
- the organic metal compound ( ⁇ ') of a metal of Groups I to III of the periodic table is a solid in the polymerization system.
- the metal atom is generally used in an amount of about 1 to 2000 mol, preferably about 5 to 500 mol, per 1 mol of titanium atom in the titanium oxide catalyst ( ⁇ ′).
- Examples of the monoolefin having 4 or more carbon atoms used in the main polymerization include 1-butene, 1-pentene, 1-hexene, 4-methynole-1-pentene, 1-octene, 1-decene, and 1-dodene.
- Sen 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicosene; cyclic olefins having 5 to 20 carbon atoms, for example, cyclopentene, cycloheptene, norportene, 5-methinole-2-norbornene, tetracyclodide Decene and 2-methyl 1,4,5,8-dimethanol-1,2,3,4,4a, 5,8,8a-octahydronaphthalene can be mentioned. These can be used in combination. Further, styrene, biercyclohexane, gen, ethylene, propylene and the like can be used as a comonomer.
- a copolymer obtained by copolymerizing 1-butene and propylene is a versatile and preferable combination.
- the content of ⁇ -olefin is 50 mol% or more, and the characteristics of the polymerization catalyst of the present invention are sufficiently exhibited when the content is 70 to 100 mol%, and particularly when the content is 80 to 100 mol%. is the case of 0 mole 0/0.
- the molecular weight of the resulting ⁇ -olefin polymer having 4 or more carbon atoms can be controlled, and a polymer having a high melt flow rate can be obtained.
- the polymerization temperature is usually about 20 to 200 ° C., preferably about 50 to 150 ° C., and the pressure is usually normal pressure to 1 O MPa, preferably about 2 XI 0 to 1 It is set to ⁇ 5 MPa.
- the solvent may be an inert hydrocarbon similar to the inert hydrocarbon used in the following preliminary polymerization, or a liquid having 4 or more carbon atoms under the polymerization conditions. Can also be used.
- Preliminary polymerization The polymerization of ⁇ ; -olefins having 4 or more carbon atoms in the present invention is carried out in the presence of a solid titanium catalyst ( ⁇ ′) and an organometallic compound of a Group I to Group III metal of the periodic table ( ⁇ ′).
- a Prepolymerization catalyst (D ') prepared by prepolymerization of olefins, and if necessary, organometallic compounds ( ⁇ ') and ⁇ or electron donors (C) of metals of Groups I to III of the periodic table ') Can also be carried out using a second polymerization catalyst formed from Next, the method for preparing the second polymerization catalyst (preliminary polymerization catalyst) and the second polymerization method will be specifically described. There is essentially no difference between the method for preparing the first polymerization catalyst and the method for polymerization using the first polymerization catalyst.
- an inert hydrocarbon medium is used to react a solid titanium catalyst ( ⁇ , an organometallic compound of a Group I to Group III metal of the periodic table ( ⁇ '), an electron donor (C'), etc.). Then, ⁇ -olefin having 4 or more carbon atoms is added, and the mixture is added under mild conditions of usually about 120 to + 100 ° C, preferably about 120 to 1080 ° C, and more preferably 0 to 1040 ° C. Will be implemented.
- the concentration of the solid titanium catalyst (A ') in the prepolymerization is usually about 0.001 to 200 mmol, preferably about 0.01 to 50 mmol, particularly preferably about 0.1 to 50 mmol, in terms of titanium atom, per liter of the inert hydrocarbon medium. Preferably it is in the range of 20 mmol. In the prepolymerization, a concentration higher than the catalyst concentration in the main polymerization can be employed.
- the amount of the organometallic compound (B ′) of the Group I to Group III metal in the prepolymerization is 0.1 to 1000 g, preferably 0.3 to 500 g per gram of the solid titanium catalyst ( ⁇ ′).
- the amount may be such that a carbon-containing polymer having 4 or more carbon atoms is produced, and usually about 0.1 to 300 mol, preferably about 0.5, per mol of titanium atoms in the solid titanium catalyst (A ′).
- ⁇ 100 mol, particularly preferably 1 to 50 mol.
- an electron donor (C ′) may be added.
- Examples of the nitrogen-containing compound include the following compounds.
- 2,5-substituted pyrrolidines such as: ⁇ , ⁇ , ⁇ ', ⁇ '-tetramethylmethylenediamine, and substituted methylenediamines such as ⁇ , ⁇ , ⁇ ', ⁇ '-tetraethylmethylenediamine: 1,
- Substituted imidazolidines such as 3-dibenzylimidazolidine and 1,3-dibenzyl-2-pheninoleimidazolidin are exemplified.
- phosphites shown below are preferable. Specifically, triethyl phosphite, tri-r-propyl phosphite, triisopropyl phosphite, tri- ⁇ -butyl phosphite, triisobutyl phosphite, getinole- ⁇ -butynole phosphite, And phosphites such as jetinolepheninophosphite.
- Inert hydrocarbons that are the medium for prepolymerization include aliphatic hydrocarbons such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane, and kerosene; cyclopentane, cyclohexane, methylcyclopentane Alicyclic ring Group (alicyclic) hydrocarbons; aromatic hydrocarbons such as benzene, toluene, and xylene; halogenated hydrocarbons such as ethylene chloride and chlorobenzene, and mixtures thereof. Among them, it is preferable to use an aliphatic hydrocarbon.
- the prepolymerization is preferably performed in a batch system. Further, the prepolymerization can be carried out using the carbonaceous having 4 or more carbon atoms as a solvent, or the prepolymerization can be carried out in a substantially solvent-free state.
- a molecular weight regulator such as hydrogen
- the molecular weight regulator has an intrinsic viscosity [7] of the ⁇ -olefin polymer obtained by prepolymerization measured in decalin at 135 ° C. of about 0.2 dl / g or more, preferably about 0.5 to 1 OdlZg. It is desirable to use such amounts.
- the ⁇ -olefin used in the prepolymerization may be the same as or different from the ⁇ -olefin having 4 or more carbon atoms used in the main polymerization, and specifically, propylene is preferred. .
- the ⁇ -olefin polymer per 0.1 g of the solid titanium catalyst ( ⁇ ′) is 0.1 to: L O O O g, preferably 0.3 to 500 g, and particularly preferably:! It is stopped at a production level of ⁇ 200 g.
- the solid titanium catalyst (A ') used for the prepolymerization and the organometallic compounds of the Group I to III metals ( ⁇ ') are used as the solid titanium catalyst ( ⁇ ') for the main polymerization. And the same as organometallic compounds ( ⁇ ') of metals from Groups I to III of the Periodic Table.
- the solid titanium catalyst ( ⁇ ′) of the present invention contains substantially no carboxylic acid derivative.
- the carboxylic acid derivative include carboxylic esters and carboxylic anhydrides.
- the term "substantially not containing the carboxylic acid derivative” means that It means that the content of the carboxylic acid derivative in the physical titanium catalyst (A ') is 5% by weight or less.
- the content of the carboxylic acid derivative is preferably 1% by weight or less, more preferably 500 ppm or less, and particularly preferably 100 ppm or less.
- the polymer or copolymer of an olefin having 4 or more carbon atoms obtained by the polymerization of the present invention has a small content of the carboxylic acid derivative which is the electron donating compound (C ′) and has a low content of ⁇ -olefin.
- the content of olefins obtained by isomerization is low.
- the intrinsic viscosity [77] of the polymer or copolymer is from 0.01 to 100 dlg, preferably from 0.1 to 5 OdlZg.
- the solution was stirred at 110 ° C. for 2 hours to be reacted. Thereafter, a solid was collected from the reaction mixture by hot filtration, and the solid was placed in 132 L of titanium tetrachloride, re-slurried, and then the slurry was heated at 110 ° C. for 2 hours. Was reacted. Thereafter, a solid portion was collected again from the reaction mixture by hot filtration, and washed with decane and hexane at 90 ° C. The washing was stopped when no titanium compound was detected in the washing solution, and a solid titanium catalyst component (c-11) was obtained.
- the mass composition of the solid titanium catalyst component (c-1) is as follows: 3.0% titanium, 57% chlorine, 17% magnesium and 2-isopropyl-12-isobutyl-1,3-dimethoxypropane 18.0% Met.
- the copolymerization temperature was 60 ° C.
- the average residence time was 0.8 hours
- the total pressure was 3 ⁇ 10—iMPa ⁇ G.
- Physical properties of the obtained copolymer (propylene content, intrinsic viscosity [], molecular weight distribution MwZMn, melting point Tm, fraction of isotactic resin, 1Z2 crystal transition time, tensile modulus E, B value) are shown in Table 1.
- a heat stabilizer (phenol type, benzotriazole type, metal stone test) was added to the resin composition obtained above, and pelletized using a single screw extruder.
- the obtained pellets were processed by a pipe molding machine with a screw diameter of 9 Omm at a set temperature of 180 ° C, a cooling water temperature of 11 ° C, and a molding speed of 3 mZ for an inner diameter of 27 mm and a wall thickness of 2.4 mm. Extruded into a pipe.
- Table 1 shows the results of the hydrostatic pressure tests on the pipes.
- the butene-propylene copolymer, the resin composition containing the copolymer, and methods for measuring the physical properties of the pipe are described below.
- the plate was sandwiched between a plate, a 100 ⁇ thick anoremi plate, and a 1 mm thick iron plate, kept at 190 ° C. for 5 minutes, evacuated at 5 MPa, and further kept at 5 MPa for 5 minutes. Then, the sheet was cooled at 5 MPa for 5 minutes by a cooling press cooled with water at 20 ° C. to obtain a sheet.
- a sheet having a thickness of 2 mm was prepared from the copolymer in the same manner as in the measurement of the melting point except that a metal frame having a thickness of 2 mm was used.
- the sample was measured using a universal tester ASTM IV manufactured by Insutton Co., Ltd. at a distance between the chucks of 64 mm and a tensile speed of 50 mmZ.
- the tensile modulus E at 23 ° C indicates the hardness under the operating conditions and is a measure of the pressure resistance of the pipe.
- the tensile modulus E at 95 ° C indicates hardness at high temperature, and is a measure of heat resistance.
- Intrinsic viscosity is a measure of strength and extrudability.
- the 1/2 crystal transition time is a measure of the curing time after molding.
- 88 indicates 1-butene chain
- ⁇ indicates a bond between 1-butene and propylene
- ⁇ indicates a propylene chain.
- the B value is a measure of the randomness of the copolymer, and a higher value indicates a shorter 1-butene or propylene chain, indicating a more uniform distribution of 1-butene and propylene.
- the measurement was performed using an NMR analyzer (LA-500 FT-NMR manufactured by JEOL Ltd.) under the conditions of measurement temperature: 120 ° C, solvent: hexachlorobutadiene, and internal standard: deuterated benzene. .
- the isotactic pentad fraction indicates the stereoregularity of the (co) polymer.
- a portion of the hexane slurry of the solid titanium catalyst component (c-12) was collected and dried, and the dried product was analyzed.
- the mass composition of the solid titanium catalyst component (c-12) is titanium
- Example 1 The same procedure as in Example 1 was carried out except that dicyclopentyldimethoxysilane was used instead of cyclohexylmethyldimethoxysilane as the organosilicon compound catalyst component (e), and the copolymerization temperature was 57.5 ° C. To obtain a butene-propylene copolymer. Table 1 shows the copolymerization conditions.
- a resin composition was prepared by mixing poly (l) -butene, a nucleating agent and an additive in the same manner as in Example 1, and a mold was further molded.
- Table 1 shows the physical properties of the obtained copolymer and resin composition, and the results of the hydrostatic pressure test on the pipes.
- Example 2 In the production of the butene-propylene copolymer of Example 2, triisobutylaluminum was used instead of triethylammonium as the organometallic compound catalyst component (d), and cyclohexane was used instead of dicyclopentyldimethoxysilane.
- the polymerization of Example 2 was repeated using xylmethyldimethoxysilane under the polymerization conditions shown in Table 1 to produce poly (11-butene) having the physical properties shown in Table 1.
- the same procedure as in Example 1 was repeated except that the nucleating agent was changed from 0.2 parts by weight of high density polyethylene to 0.05 parts by weight of ethylene bisstearyl amide.
- the composition was prepared and the pipe was molded.
- Table 1 shows the physical properties of the obtained polymer and resin composition, and the results of the hydrostatic pressure test on the pipe.
- Example 2 In the production of the butene-propylene copolymer of Example 2, propylene was not used as a copolymerization component, and triisobutyryl / minium was used as the organometallic compound catalyst component (d) instead of triethylammonium.
- the polymerization of Example 2 was repeated under the polymerization conditions shown in Table 1 by using cyclohexylmethyldimethoxysilane in place of pentynoledimethoxysilane, and a poly (11-butene) having the properties shown in Table 1 was produced. .
- the polymer was mixed with poly-11-butene in the same manner as in Example 1 to prepare a resin composition, and a pipe was formed.
- Table 1 shows the physical properties of the obtained polymer and resin composition, and the results of the hydrostatic pressure test on the pipe.
- the copolymer was mixed with polybutene in the same manner as in Example 1 to obtain a resin.
- a fat composition was prepared and a pipe was formed.
- Table 1 shows the physical properties of the resulting copolymer resin composition and the results of the hydrostatic pressure test on the pipes.
- the obtained homogeneous magnesium-polyether solution (II) was cooled to room temperature, and 37.0 kg of the solution (II) was added to 120 L (1 080 mol) of titanium tetrachloride kept at 124 ° C for 2.5 minutes. Dropped over time. The temperature of the obtained magnesium-titanium solution (III) was raised over 6 hours, and when the temperature reached 110 ° C, 0.68 kg of 2-isopropyl-2-isobutyl-1,3-dimethoxypropane was obtained. (3.37 mol) was added, and the resulting solution (IV) was stirred at 110 ° C. for 2 hours and reacted.
- a portion of the hexane suspension of the solid titanium catalyst (A'-1) was collected and dried, and the dried product was analyzed.
- the mass composition of the solid titanium catalyst (A'-1) is titanium 3.0. /. , Magnesium 17%, chlorine 57% and 2-isopropyl-2-isobutyl-1,3-dimethoxypropane 18.0%. Diisobutyl phthalate was not detected. [polymerization]
- Copolymerization temperature 60 ° C, the average residence time 8 h 0.1, total pressure was 3x1 0- 1 MPa ⁇ g.
- Table 2 shows the physical properties (propylene content, melting point, intrinsic viscosity [ ⁇ ], molecular weight distribution) of the obtained copolymer.
- the specific viscosity of the sample decalin solution was measured at 135 ° C using an Atlantic viscometer, and the intrinsic viscosity [77] was calculated from the specific viscosity.
- Intrinsic viscosity is a measure of strength and extrudability.
- the amount of 2-butene produced during the polymerization was measured by gas chromatography using the amount of 2-butene contained in the gas phase in the polymerization vessel.
- Anhydrous magnesium chloride 4.28 kg (45 mol), 22.5 L of decane and 21.1 L (135 mol) of 2-ethylhexanol were heated and reacted at 140 ° C for 5 hours to obtain a homogeneous magnesium compound solution. (I). Thereafter, 1 kg (6.78 mol) of phthalic anhydride was added to the solution (I), and the mixture was further stirred and mixed at 130 ° C. for 1 hour to dissolve phthalic anhydride.
- a solid was again collected from the reaction solution by hot filtration, and washed with decane and hexane at 11 ° C. If no titanium compound is detected in the washing solution, wash The purification was stopped, and a solid titanium catalyst (A'-2) was obtained. A portion of the hexane suspension of the solid titanium catalyst (A'-2) was collected, dried and the dried product was analyzed.
- the mass composition of the solid titanium catalyst (A, -2) was 2.4% titanium, 20% magnesium, 60% chlorine, and 13.0% diisobutyl phthalate. Therefore, the content of the carboxylic acid derivative is 13.0%.
- the content of the phthalic acid derivative was measured by a gas chromatography method.
- the butene-propylene copolymer was produced by repeating the copolymerization of Example 4 except that the solid titanium catalyst (A′-2) was used. The results are shown in Table 2. Table 2
- the molded article of the present invention is excellent in heat resistance, low temperature properties, ease of handling, and heat creep resistance.
- the above-mentioned butene system having a uniform particle size, a small amount of fine powder and a high bulk density, and substantially containing no carboxylic acid. It is possible to easily produce a polymer or copolymer of a homoolefin having 4 or more carbon atoms, including a copolymer, with high polymerization activity.
- the molded article of the present invention is excellent in heat resistance, low-temperature properties, easy handling and heat-resistant creep properties, and has high industrial applicability.
- the butene-based copolymer having a uniform particle size, a small amount of fine powder, a high bulk density, and substantially containing no carboxylic acid.
- Polymers or copolymers of 4-olefins having 4 or more carbon atoms, including coalesce, can be easily produced with high polymerization activity, and thus have high industrial applicability.
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Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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DE60126952T DE60126952T2 (de) | 2000-07-03 | 2001-07-03 | Butencopolymer, harzzusammensetzung die dieses enthält sowie formmassen aus der zusammensetzung |
AU67915/01A AU782607C (en) | 2000-07-03 | 2001-07-03 | Butene copolymer, resin composition comprising the copolymer and moldings of the composition, and solid titanium catalyst for producing the copolymer and method for preparing the catalyst |
EP01945795A EP1308466B1 (en) | 2000-07-03 | 2001-07-03 | Butene copolymer, resin composition comprising the copolymer and moldings of the composition |
JP2002507908A JP4864274B2 (ja) | 2000-07-03 | 2001-07-03 | ブテン系共重合体、その樹脂組成物およびそれらの成形体並びにそれを製造する固体状チタン触媒およびその製造方法 |
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JP2000200734 | 2000-07-03 | ||
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WO2002002659A1 true WO2002002659A1 (fr) | 2002-01-10 |
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PCT/JP2001/005760 WO2002002659A1 (fr) | 2000-07-03 | 2001-07-03 | Copolymere de butene, composition de resine renfermant ce copolymere et produits moules de cette composition, et catalyseur solide au titane pour la production du copolymere, ainsi que procede de preparation du catalyseur |
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EP (1) | EP1308466B1 (ja) |
JP (1) | JP4864274B2 (ja) |
KR (1) | KR100765398B1 (ja) |
CN (2) | CN1329418C (ja) |
AU (1) | AU782607C (ja) |
DE (1) | DE60126952T2 (ja) |
WO (1) | WO2002002659A1 (ja) |
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WO2002100909A1 (en) * | 2001-06-12 | 2002-12-19 | Basell Polyolefine Gmbh | Process for the polymerization of 1-butene |
WO2003099883A1 (en) * | 2002-05-29 | 2003-12-04 | Basell Poliolefine Italia S.P.A. | Butene-1 (co)polymers and process for their preparation |
US7615597B2 (en) | 2002-09-06 | 2009-11-10 | Basell Polyolefine Gmbh | Process for the copolymerization of ethylene |
JP2011515518A (ja) * | 2008-03-20 | 2011-05-19 | バーゼル・ポリオレフィン・イタリア・ソチエタ・ア・レスポンサビリタ・リミタータ | 1−ブテン系ポリマー類の組成物類 |
WO2013099876A1 (ja) | 2011-12-27 | 2013-07-04 | 三井化学株式会社 | 4-メチル-1-ペンテン(共)重合体組成物、該組成物からなるフィルムおよび中空成形体 |
WO2014163160A1 (ja) | 2013-04-03 | 2014-10-09 | 三井化学株式会社 | ポリ-1-ブテン樹脂組成物 |
KR20190021383A (ko) * | 2016-07-07 | 2019-03-05 | 바셀 폴리올레핀 이탈리아 에스.알.엘 | 높은 용융 유량을 갖는 부텐-1 중합체 조성물 |
KR20190021382A (ko) * | 2016-07-07 | 2019-03-05 | 바셀 폴리올레핀 이탈리아 에스.알.엘 | 높은 용융 유량을 갖는 부텐-1 중합체 조성물 |
JP2019123770A (ja) * | 2018-01-12 | 2019-07-25 | 三井化学株式会社 | ブテン系樹脂組成物および成形体 |
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KR100733191B1 (ko) * | 2000-08-22 | 2007-06-27 | 이데미쓰 고산 가부시키가이샤 | 1-부텐계 중합체 및 상기 중합체로 이루어진 성형체 |
JP5479734B2 (ja) * | 2006-07-18 | 2014-04-23 | 三井化学株式会社 | 固体状チタン触媒成分、オレフィン重合用触媒およびオレフィン重合方法 |
ATE451422T1 (de) | 2006-08-30 | 2009-12-15 | Basell Polyolefine Gmbh | 1-buten-propylen-copolymer-zusammensetzungen |
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WO2008025710A1 (en) * | 2006-08-30 | 2008-03-06 | Basell Polyolefine Gmbh | 1-butene propylene copolymer compositions |
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EP2252654B1 (en) * | 2008-03-13 | 2011-09-07 | Basell Poliolefine Italia S.r.l. | 1-butene terpolymers |
WO2012099549A1 (en) * | 2010-12-22 | 2012-07-26 | Ptt Global Chemical Pcl | A magnesium halide support for use as a composition of a catalyst for the olefin polymerization, and method of preparation of the magnesium halide support |
JP7034252B2 (ja) * | 2017-08-04 | 2022-03-11 | バーゼル・ポリオレフィン・イタリア・ソチエタ・ア・レスポンサビリタ・リミタータ | 高い溶融流量を有するブテン-1重合体組成物 |
US11267911B2 (en) * | 2017-08-04 | 2022-03-08 | Basell Poliolefine Italia S.R.L. | Butene-1 polymer composition having high melt flow rate |
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- 2001-07-03 KR KR1020027002498A patent/KR100765398B1/ko active IP Right Grant
- 2001-07-03 EP EP01945795A patent/EP1308466B1/en not_active Expired - Lifetime
- 2001-07-03 CN CNB018026893A patent/CN1329418C/zh not_active Expired - Lifetime
- 2001-07-03 JP JP2002507908A patent/JP4864274B2/ja not_active Expired - Lifetime
- 2001-07-03 CN CNA2003101199762A patent/CN1519263A/zh active Pending
- 2001-07-03 WO PCT/JP2001/005760 patent/WO2002002659A1/ja active IP Right Grant
- 2001-07-03 AU AU67915/01A patent/AU782607C/en not_active Expired
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002100909A1 (en) * | 2001-06-12 | 2002-12-19 | Basell Polyolefine Gmbh | Process for the polymerization of 1-butene |
US7074864B2 (en) | 2001-06-12 | 2006-07-11 | Basell Polyolefine Gmbh | Process for the polymerization of 1-butene |
US7476717B2 (en) | 2001-06-12 | 2009-01-13 | Basell Polyolefine Gmbh | Butene-1 homopolymer |
US7619051B2 (en) | 2001-06-12 | 2009-11-17 | Basell Polyolefine Gmbh | Butene-1/ethylene copolymer |
WO2003099883A1 (en) * | 2002-05-29 | 2003-12-04 | Basell Poliolefine Italia S.P.A. | Butene-1 (co)polymers and process for their preparation |
US6998458B2 (en) | 2002-05-29 | 2006-02-14 | Basell Poliolefine Italis S.P.A. | Butene-1 (co)polymers and process for their preparation |
CN1294161C (zh) * | 2002-05-29 | 2007-01-10 | 巴塞尔聚烯烃意大利有限公司 | 1-丁烯聚合物(共聚物)及其制备方法 |
US7615597B2 (en) | 2002-09-06 | 2009-11-10 | Basell Polyolefine Gmbh | Process for the copolymerization of ethylene |
JP2011515518A (ja) * | 2008-03-20 | 2011-05-19 | バーゼル・ポリオレフィン・イタリア・ソチエタ・ア・レスポンサビリタ・リミタータ | 1−ブテン系ポリマー類の組成物類 |
WO2013099876A1 (ja) | 2011-12-27 | 2013-07-04 | 三井化学株式会社 | 4-メチル-1-ペンテン(共)重合体組成物、該組成物からなるフィルムおよび中空成形体 |
US9902847B2 (en) | 2011-12-27 | 2018-02-27 | Mitsui Chemicals, Inc. | 4-methyl-1-pentene (co)polymer composition, and film and hollow molded product composed of the composition |
WO2014163160A1 (ja) | 2013-04-03 | 2014-10-09 | 三井化学株式会社 | ポリ-1-ブテン樹脂組成物 |
KR20190021383A (ko) * | 2016-07-07 | 2019-03-05 | 바셀 폴리올레핀 이탈리아 에스.알.엘 | 높은 용융 유량을 갖는 부텐-1 중합체 조성물 |
KR20190021382A (ko) * | 2016-07-07 | 2019-03-05 | 바셀 폴리올레핀 이탈리아 에스.알.엘 | 높은 용융 유량을 갖는 부텐-1 중합체 조성물 |
KR102140901B1 (ko) | 2016-07-07 | 2020-08-05 | 바셀 폴리올레핀 이탈리아 에스.알.엘 | 높은 용융 유량을 갖는 부텐-1 중합체 조성물 |
KR102140900B1 (ko) | 2016-07-07 | 2020-08-05 | 바셀 폴리올레핀 이탈리아 에스.알.엘 | 높은 용융 유량을 갖는 부텐-1 중합체 조성물 |
JP2019123770A (ja) * | 2018-01-12 | 2019-07-25 | 三井化学株式会社 | ブテン系樹脂組成物および成形体 |
JP7044557B2 (ja) | 2018-01-12 | 2022-03-30 | 三井化学株式会社 | ブテン系樹脂組成物および成形体 |
Also Published As
Publication number | Publication date |
---|---|
AU782607B2 (en) | 2005-08-11 |
DE60126952D1 (de) | 2007-04-12 |
DE60126952T2 (de) | 2007-10-31 |
CN1519263A (zh) | 2004-08-11 |
KR100765398B1 (ko) | 2007-10-11 |
EP1308466B1 (en) | 2007-02-28 |
AU782607C (en) | 2007-05-17 |
JP4864274B2 (ja) | 2012-02-01 |
EP1308466A1 (en) | 2003-05-07 |
KR20020029112A (ko) | 2002-04-17 |
CN1388809A (zh) | 2003-01-01 |
CN1329418C (zh) | 2007-08-01 |
EP1308466A4 (en) | 2005-11-02 |
AU6791501A (en) | 2002-01-14 |
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