WO1998054233A1 - Polypropylene resin composition and injection-molded article - Google Patents
Polypropylene resin composition and injection-molded article Download PDFInfo
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- WO1998054233A1 WO1998054233A1 PCT/JP1998/002347 JP9802347W WO9854233A1 WO 1998054233 A1 WO1998054233 A1 WO 1998054233A1 JP 9802347 W JP9802347 W JP 9802347W WO 9854233 A1 WO9854233 A1 WO 9854233A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/04—Monomers containing three or four carbon atoms
- C08F10/06—Propene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
-
- 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
- C08L23/10—Homopolymers or copolymers of propene
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
- C08L23/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
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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
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/02—Ziegler natta catalyst
Definitions
- the present invention relates to a polypropylene resin composition and an injection-molded article comprising the resin composition.
- Polypropylene is used in various fields such as automobile parts, machine parts, electric parts, household goods, kitchenware, packaging films, etc.Additives are blended according to the required performance, and physical properties are improved. Is being done. For example, to improve rigidity and heat resistance, an inorganic filler such as talc is blended. However, the composition containing talc has problems that the specific gravity is large, the surface of the molded product is easily damaged, and the damaged portion is easily whitened.
- JP-A-6-93034 (corresponding European application: EP 573 862 A2) describes a polypropylene having improved workability in a molten state.
- this polypropylene has insufficient improvement in mechanical properties such as insufficient improvement in flexural modulus and heat deformation temperature.
- Japanese Patent Application Laid-Open No. 422,077 describes a method for producing polypropylene which is subjected to multi-stage polymerization in the presence of a catalyst containing a specific solid titanium catalyst component, and the polypropylene obtained by this method has rigidity. And excellent heat resistance.
- this polypropylene requires prepolymerization of 3-methyl-11-butene and the like, and the production process is complicated.
- this polypropylene resin has insufficient improvement in rigidity.
- Japanese Patent Application Laid-Open No. 59-172,507 discloses that propylene is produced using a Ziegler-type catalyst. It describes a method for producing polypropylene having excellent rigidity, processability and heat resistance by subjecting it to two-stage polymerization. However, this polypropylene has insufficient improvement in flexural modulus and rigidity.
- Japanese Patent Application Laid-Open No. 4-370103 describes a method for producing polypropylene having excellent processability and rigidity by multi-stage polymerization of propylene using a specific catalyst.
- this polypropylene has insufficient improvement in flexural modulus.
- An object of the present invention is to provide a polypropylene resin composition that is lightweight, has extremely high rigidity and heat resistance, has excellent scratch resistance, has good flowability during molding, and has excellent workability. To provide an injection molded product. Disclosure of the invention
- the present invention is the following polypropylene resin composition and injection molded article.
- a polypropylene resin composition containing polypropylene as a main component and having the following characteristics ⁇ 1> and ⁇ 2> (hereinafter, referred to as a first polypropylene resin composition).
- melt flow rate (MFR) measured at a load of 2.16 kg is 5-50 gZl 0 min
- ⁇ 6 ⁇ Flexural modulus (AS TM D 790) is 260 OMPa or more
- ⁇ 7 When a resin temperature is 190 ° C and injected into a mold at 60 ° C and held in the mold for 30 seconds to mold an injection molded product, the thickness of the skin layer formed on the surface of this injection molded product 300 ⁇ m or more
- a polypropylene resin composition containing polypropylene as a main component and having the following characteristics ⁇ 3> to ⁇ 8> (hereinafter, referred to as a second polypropylene resin composition).
- Flexural modulus (ASTM D 790) is 260 OMPa or more
- ⁇ 7 When a resin temperature is 190 ° C and injected into a mold at 60 ° C and held in the mold for 30 seconds to mold an injection molded product, the thickness of the skin layer formed on the surface of this injection molded product 300 or more ⁇ 8 ⁇ Heat deformation temperature (ASTM D648, load 0.45MPa) is 145 ° C or more
- ⁇ 6 ⁇ Flexural modulus (ASTM D 790) is 2500MPa or more
- ⁇ 7 When a resin temperature is 190 ° C and injected into a mold at 60 ° C and held in the mold for 30 seconds to mold an injection molded product, the thickness of the skin layer formed on the surface of this injection molded product Miga 380 m or more
- ⁇ 8 ⁇ Heat deformation temperature (ASTM D648, load 0.45MPa) is 150 ° C or more
- R) is S S O gZl Om i n
- a polypropylene resin composition for injection molding comprising polypropylene as a main component and having the following properties ⁇ 3> to ⁇ 8>.
- Isotactic pentad fraction (mmm m fraction) measured by 13 C_NMR is 98.0% or more
- ⁇ 6 ⁇ Flexural modulus (AS TM D 790) is 2500MPa or more
- ⁇ 7 When a resin temperature is 190 ° C and injected into a mold at 60 ° C and held in the mold for 30 seconds to mold an injection molded product, the thickness of the skin layer formed on the surface of this injection molded product Miga 380 / m or more
- ⁇ 8 ⁇ Heat deformation temperature (AS TM D 648, load 0.45MPa) is more than 150 ° C
- the polypropylene resin composition of the present invention when simply referred to as “the polypropylene resin composition of the present invention”, both the first polypropylene resin composition and the second polypropylene resin composition are indicated.
- the first polypropylene resin composition of the present invention contains polypropylene as a main component, and satisfies the following characteristic values ⁇ 1> and ⁇ 2> as a whole of the resin composition.
- ⁇ 1 ⁇ Melt flow rate (MFR) measured at 230 ° C and load 2.16 kg is 5-50 g / 1 Omin, preferably 10-35 g / 1 Omin.
- the first polypropylene resin composition of the present invention preferably satisfies the following characteristic values ⁇ 3> in addition to the characteristics ⁇ 1> and ⁇ 2>.
- the isotactic pentad fraction (mmmm fraction) measured by 13 C-NMR is 98.0% or more, preferably 98.5% or more.
- the first polypropylene resin composition of the present invention preferably satisfies the following ⁇ 1> and ⁇ 2>, or ⁇ 1> to ⁇ 3>, and further satisfies the following ⁇ 4>.
- Mw / Mn weight average molecular weight, number average molecular weight measured by gel permeation chromatography (GPC) has a molecular weight distribution of 20 or more, preferably 25 or more, and MzZMw (z average Molecular weight distribution (weight average molecular weight) is 7 or more, preferably 8 or more
- the first polypropylene resin composition of the present invention in addition to the above ⁇ 1> and ⁇ 2 >>, ⁇ 1 >> to ⁇ 3 >>, or ⁇ 1 >> to ⁇ 4 >>, in addition to the following ⁇ 5> to Those satisfying the characteristic value of ⁇ 9> are preferable.
- ⁇ 5 Specific gravity (ASTM D 1505) measured by the underwater displacement method is 0.9915 or less, preferably 0.912 or less
- Flexural modulus (ASTM D790) is 2600MPa or more, preferably 280 OMPa or more
- ⁇ 7 Injection into a 60 ° C mold at a resin temperature of 190 ° C, holding in the mold for 30 seconds to mold an injection molded product, the thickness of the skin layer formed on the surface of this injection molded product Is at least 300 m, preferably at least 400 ⁇ m ⁇ 8 ⁇ Heat deformation temperature (ASTM D 648, load 0.45 MPa) is 145 ° C or more, preferably 150 ° C or more
- ⁇ 9 ⁇ Heat deformation temperature (ASTM D648, load 1.82MPa) is 100 ° C or more, preferably 110 ° C or more
- the isotactic pentad fraction is an isotactic chain in pentad units in a polypropylene molecular chain measured using 13 C_NMR, and five consecutive propylene monomer units. It is the fraction of propylene monomer units at the center of the meso-linked chain. Specifically, it is a value obtained as a mmmm peak fraction in all absorption peaks in the methyl carbon region of the 13 C-NMR spectrum.
- the above Mw / Mn and Mz / Mw are values measured by gel permeation chromatography.
- the specific gravity is a value measured by an underwater displacement method under conditions in accordance with ASTM D1505.
- the flexural modulus is a value measured under conditions according to ASTM D790.
- the heat deformation temperature is a value measured under a load of 0.45 MPa or 1.82 MPa according to ASTM D648.
- the thickness of the skin layer is determined by injecting the polypropylene resin composition into a mold at 60 ° C. at a resin temperature of 190 ° C. and holding the mold in the mold for 30 seconds to mold an injection molded product. This is the thickness of the skin layer formed on the surface of the molded article.
- the skin layer is a layer different from the crystal structure in the center of the molded article, in which molecules are highly oriented on the surface of the injection molded article and no respherulites are observed. This skin layer is measured by observing the vertical cross section of the molded article with an optical microscope.
- Polypropylene as a main component of the first polypropylene resin composition of the present invention is preferably composed only of structural units derived from a normal propylene, a small amount, 10 mole 0/0 below In example embodiment, preferably 5 mole 0 / oIt may contain structural units derived from the following other monomers.
- the first polypropylene resin composition of the present invention comprises branched olefins such as 3-methyl-1-butene, 3,3-dimethyl-11-butene, 3-methyl-1-pentene, 3-ethyl-1-pentene, 4- Methyl 1-pentene, 3-methyl-1- 1-hexene, 4-methylinole 1-hexene, 4,4-dimethinole 1-hexene, 4,4 dimethinole 1 1-pentene, 4-ethyl-1-hexene, 3-ethylenole 1 1 1 Hexene, 3,5,5-trimethinole 1-Hexene, vinylinolecyclopentane, vinylcyclohexane, vulcycloheptane, vurnorbornane, arinolenorbornan, styrene,
- branched olefins such as 3-methyl-1-butene, 3,3-dimethyl-11-butene, 3-methyl-1-pen
- the prepolymer derived from such branched olefins acts as a nucleating agent for polypropylene, the fraction of isotactic pentad can be increased and the moldability can be improved.
- the first polypropylene resin composition of the present invention may be composed only of polypropylene, or may contain a small amount of a resin other than polypropylene.
- a propylene polymer that satisfies the characteristics of the above ⁇ 1> and ⁇ 2> can be obtained by one-stage polymerization,
- the pyrene polymer can be used as it is as the first polypropylene resin composition of the present invention, but usually contains relatively low molecular weight polypropylene and relatively high molecular weight polypropylene.
- polypropylenes having different molecular weights can be separately produced and melt-kneaded and blended.However, by producing polypropylenes having different molecular weights by multi-stage polymerization, polypropylene with relatively low molecular weight can be produced. It is preferable to manufacture it so as to contain a relatively high molecular weight polypropylene.
- the polypropylene constituting the first polypropylene resin composition of the present invention may be a propylene block copolymer such as propylene'ethylene block copolymer. In this case, the polypropylene is excellent in rigidity and impact resistance. preferable.
- the type of the propylene block copolymer is not particularly limited, but the propylene / ethylene block copolymer in which the intrinsic viscosity [] of the rubber part (ethylene / propylene copolymer) is 0.5 to 10 d 1 / g is used. coalescence, or ethylene content are particularly preferred, such as 40 weight 0/0 following propylene 'E Chirenpurokku copolymer.
- the second polypropylene resin composition of the present invention contains polypropylene as a main component and satisfies all of the following characteristic values ⁇ 3> to ⁇ 8> as a whole of the resin composition.
- the isotactic pentad fraction (mmmm fraction) measured by 13 C-NMR is 98.0% or more, preferably 98.5 or more.
- Mw / Mn weight-average molecular weight / number-average molecular weight measured by gel permeation chromatography (GPC) is 20 or more, preferably 25 or more, and MzZMw (z Average molecular weight Z weight average molecular weight) is 7 or more, preferably 8 or more
- Specific gravity measured by underwater displacement method is 0.915 or less, preferably 0.912 or less, more preferably 0.910 or less
- ⁇ 6 ⁇ Flexural modulus (ASTM D790) is 2500MPa, preferably 26
- the thickness of the skin layer is at least 300 ⁇ m, preferably at least 380 ⁇ m, more preferably at least 400 ⁇
- ⁇ 8 ⁇ Heat deformation temperature (A STM D 648, load 0.45MPa) is more than 144 ° C, preferably more than 150 ° C
- the second polypropylene resin composition of the present invention preferably satisfies the following characteristics ⁇ 1> and ⁇ 2> in addition to the characteristics ⁇ 3> to ⁇ 8>.
- MFR Melt flow rate measured at 230 ° C and load 2.16 kg is 5 to 50 g / l O min, preferably 10 to 35 g / l O min
- the second polypropylene resin composition of the present invention preferably satisfies the following characteristics of ⁇ 9> in addition to the characteristics of ⁇ 3> to ⁇ 8> or ⁇ 1> to ⁇ 8>. Good.
- Heat deformation temperature (A STM D 648, load 1 ⁇ 82MPa) is 100 ° C or more, preferably 110 ° C or more
- the isotactic pentad fraction is an isotactic chain in pentad units in a polypropylene molecular chain measured using 13 C-NMR, and five consecutive propylene monomer units are used. Is the fraction of propylene monomer units at the center of the meso-linked chain. Specifically, it is a value obtained as a mmmm peak fraction in all absorption peaks in the methyl carbon region of the 13 C-NMR spectrum.
- the aforementioned MwZMn and Mz / Mw are values measured by gel permeation chromatography.
- the specific gravity is determined by the underwater displacement method according to ASTM D155. It is the value measured under the conditions that depended on.
- the flexural modulus is a value measured under conditions according to ASTM D790.
- the heat distortion temperature is a value measured under a load of 0.45 MPa or 1.82 MPa according to ASTM D648.
- the thickness of the skin layer is determined by injecting the polypropylene resin composition into a mold at 60 ° C. at a resin temperature of 190 ° C. and holding the mold in the mold for 30 seconds to mold an injection molded product. The thickness of the skin layer formed on the surface of the injection molded product.
- the skin layer is a layer different from the crystal structure in the center of the molded article, in which molecules are highly oriented on the surface of the injection molded article and no respherulites are observed. This skin layer is measured by observing the vertical cross section of the molded article with an optical microscope.
- the polypropylene as the main component of the second polypropylene resin composition of the present invention is usually composed only of structural units derived from propylene, but a small amount, for example, 10 mol 0 or less, preferably 5 mol% or less It may contain a structural unit derived from another monomer.
- Examples of the other monomers include ethylene, 1-butene, 1-pentene, 1-hexene, 4-methylen-1-ene, 3-methyl-1-pentene, 1-heptene, 1-octene, 1-nonene, 1 ⁇ -olefins other than propylene such as decene and 1-dodecene; styrene compounds such as butylcyclopentene, vinylcyclohexane and burnorbornane; butyl compounds such as butyl acetate; unsaturated organic acids such as maleic anhydride or the like; Derivatives; conjugated gens; non-conjugated polyenes such as dicyclopentadiene, 1,4-hexadiene, dicyclooctadiene, methylenenorpolene, and 5-ethylidene-12-norporene.
- styrene compounds such as butylcyclopentene, vinylcyclohexane and burnorbornane
- the second polypropylene resin composition of the present invention comprises branched olefins such as 3-methyl-1-butene, 3,3-dimethyl-1-butene, 3-methyl-1-pentene, and 3-ethynol-1-pentene.
- the prepolymer derived from such branched olefins acts as a nucleating agent for polypropylene, the fraction of isotactic pentad can be increased and the moldability can be improved.
- the second polypropylene resin composition of the present invention may be composed of only polypropylene, or may contain a small amount of a resin other than polypropylene.
- the polypropylene constituting the second polypropylene resin composition if a propylene polymer satisfying the characteristics of ⁇ 3> to ⁇ 8> can be obtained by one-stage polymerization, the propylene polymer may be used as the second polymer of the present invention.
- it can be used as it is as a polypropylene resin composition, it usually contains relatively low molecular weight polypropylene and relatively high molecular weight polypropylene. In this case, polypropylenes having different molecular weights can be produced separately and then melt-kneaded and blended.
- polypropylenes having different molecular weights by multi-stage polymerization, they can be made relative to polypropylene having a relatively low molecular weight. It is preferable to manufacture so as to contain high molecular weight polypropylene.
- the polypropylene constituting the second polypropylene resin composition of the present invention may be a propylene block copolymer such as propylene / ethylene block copolymer.
- the polypropylene has excellent rigidity and impact resistance.
- the type of the propylene block copolymer is not particularly limited, but a propylene / ethylene block in which the intrinsic viscosity of the rubber part (ethylene propylene copolymer) is 0.5 to 10 d1 / g. Copolymer or propylene glycol with an ethylene content of 40% by weight or less 'Polycopolymers and the like are particularly preferred.
- first and second polypropylene resin compositions of the present invention for example, propylene alone or propylene and another monomer are used in the presence of a catalyst for producing highly stereoregular polypropylene.
- a method of producing by polymerization in two or more stages of multi-stage polymerization can be given.
- Examples of the catalyst for producing highly stereoregular polypropylene include:
- the solid titanium catalyst component (a) as described above can be prepared by bringing a magnesium compound (a-1), a titanium compound (a-2) and an electron donor (a-3) into contact. it can.
- Examples of the magnesium compound (a-1) include a magnesium compound having a reducing ability and a magnesium compound having no reducing ability.
- Examples of the magnesium compound having a reducing ability include a magnesium compound having a magnesium-carbon bond or a magnesium-hydrogen bond. Specifically, dimethylmagnesium, getylmagnesium, dipropylmagnesium, dibutylmagnesium, diamylmagnesium, dihexylmagnesium, didecylmagnesium, ethylmagnesiumchloride, propylmagnesiumchloride, butylmagnesiumchloride, Examples include xyl magnesium chloride, amyl magnesium chloride, butylethoxymagnesium, ethylbutylmagnesium, and butylmagnesium hydride.
- Magnesium compounds having no reducing ability include, for example, halogenated magnesium chloride, magnesium bromide, magnesium iodide, magnesium fluoride, etc.
- Magnesium; alkoxymagnesium halides such as methoxymagnesium chloride, ethoxymagnesium chloride, and isopropoxymagnesium chloride, butoxymagnesium chloride, and octoxymagnesium chloride; and aryloxymagnesium halides such as phenoxymagnesium chloride and methylphenoxymagnesium chloride.
- magnesium magnesium such as ethoxymagnesium, isopropoxymagnesium, butoxymagnesium, n-octoxymagnesium, 2-ethynolehexoxymagnesium; phenoxymagnesium, dimethinolephenoxymagnesium Riloxy magnesium; carboxylate of magnesium such as magnesium laurate and magnesium stearate;
- the magnesium compound having no reducing ability may be a compound derived from a magnesium compound having reducing ability or a compound derived at the time of preparing the catalyst component.
- a magnesium compound having a reducing ability is converted into a polysiloxane compound, a halogen-containing silane compound, a halogen-containing aluminum compound, an ester, or the like.
- the compound may be brought into contact with a compound having an active carbon-oxygen bond, such as an alcohol, a halogen-containing compound or a ketone.
- the magnesium compound (a-1) can also be derived from metallic magnesium during catalyst preparation.
- the magnesium compound (a-1) can be used in combination of two or more kinds.
- the magnesium compound (a_l) as described above may form a complex compound or a complex compound with another metal such as aluminum, zinc, boron, beryllium, sodium, potassium, or It may be a mixture with other metal compounds.
- the finally obtained solid titanium catalyst component (a) be in the form of a halogen-containing magnesium compound. If a halogen-free magnesium compound is used, contact the halogen-containing compound during the preparation of the catalyst component. It is preferred to react.
- a magnesium compound having no reducing ability is preferable, a halogen-containing magnesium compound is more preferable, and magnesium chloride, alkoxymagnesium chloride and aryloxymagnesium chloride are particularly preferable.
- the magnesium compound (a-1) is preferably used in a liquid state.
- the magnesium compound (a-1) is a solid.
- the liquid state can be obtained by using an electron donor.
- Examples of the liquefying agent include alcohols, phenols, ketones, aldehydes, ethers, amines, pyridines and the like, as described later, as electron donors, such as tetraethoxytitanium, tetra-n-propoxytitanium, Metal acid esters such as tetra-i-propoxytitanium, tetrabutoxytitanium, tetrahexoxytitanium, tetrabutoxyzirconium, and tetraethoxyzirconium can also be used. Of these, alcohols and metal acid esters are particularly preferably used.
- the liquefaction reaction of the solid magnesium compound ( a -1) is generally carried out by bringing the solid magnesium compound into contact with the above-mentioned liquefying agent and heating as necessary. This contact is usually carried out at a temperature of 0 to 200 ° C., preferably 20 to 180 ° C., preferably 50 to 150 ° C.
- a hydrocarbon solvent or the like may coexist, for example, aliphatic hydrocarbons such as pentane, hexane, heptane, octane, decane, dodecane, tetradecane, kerosene; cyclopentane, methylcyclopentane, Alicyclic hydrocarbons such as cyclohexane, methylcyclohexane, cyclooctane, and cyclohexene; halogenated hydrocarbons such as dichloroethane, dichloropropane, trichloroethylene, and chlorobenzene; benzene, toluene, xylene, and the like Aromatic hydrocarbons and the like are used.
- a tetravalent titanium compound represented by the following formula (1) as the titanium compound (a-2).
- R is a hydrocarbon group
- X is a halogen atom, 0 ⁇ a g ⁇ 4.
- Tetra such specifically T i C 1 4, T i B r 4, T i I 4 Titanium halide;
- halogen-containing titanium compounds are preferred, titanium tetrahalides are more preferred, and titanium tetrachloride is particularly preferred.
- the titanium compound (a-2) can be used in combination of two or more kinds.
- the titanium compound (a-2) can also be used after being diluted with a hydrocarbon compound, a halogenated hydrocarbon compound, or the like.
- Examples of the electron donor (a-3) used in the preparation of the solid titanium catalyst component (a) include alcohols, phenols, ketones, aldehydes, esters of organic or inorganic acids, and organic acid halides. , Ether, acid amide, acid anhydride, ammonia, amine, nitrile, isocyanate, nitrogen-containing cyclic compound, oxygen-containing cyclic compound and the like. More specifically,
- Phenols having 6 to 20 carbon atoms which may have a lower alkyl group such as phenol, cresol, xylenole, etinolephenole, propinolephenol, noelphenol, cumylphenol, and naphthol;
- Ketones having 3 to 15 carbon atoms such as acetone, methylethyl ketone, methyl isobutyl ketone, acetophenone, benzophenone, acetylacetone, and benzoquinone;
- aldehydes having 2 to 15 carbon atoms such as acetoaldehyde, propionaldehyde, octylaldehyde, benzaldehyde, tolualdehyde, and naphthoaldehyde.
- Acid halides having 2 to 15 carbon atoms such as acetyl chloride, benzoyl chloride, toluic acid chloride and anisic acid chloride; Ethers having 2 to 20 carbon atoms, such as methinooleatenole, etinoleatenole, isopropylatenole, butylonenotene, aminoleatenole, anisonotene, dipheninoleatenonote epoxy-p-menthane;
- Acid amides such as acetic acid amide, benzoic acid amide and toluic acid amide; acid anhydrides such as acetic anhydride, phthalic anhydride and benzoic anhydride;
- Amines such as methinoleamine, ethynoleamine, dimethinoleamine, ethynoleamine, ethylenediamine, tetramethylenediamine, hexamethylenediamine, triptylamine and tribenzylamine;
- Nitriles such as acetonitrile, benzonitrile and tolunitrile; pyrroles such as pyrrole, methinolepyrrole and dimethinolepyrrole, pyrroline, pyrrolidine, indole, pyridine, methylpyridine, ethylpyridine, propylubilidine, dimethylviridine and ethylmethyl Pyridines such as pyridine, trimethylpyridine, phenylpyridine, benzylpyridine and pyridine chloride; nitrogen-containing cyclic compounds such as piperidines, quinolines and isoquinolines;
- Cyclic oxygen compounds such as tetrahydrofuran, 1,4-cineole, 1,8-cineole, pinolfuran, methylfuran, dimethylfuran, diphenylfuran, benzofuran, coumaran, phthalane, tetrahydropyran, pyran, and dihydropyran can give.
- organic acid ester used as the electron donor (a-3) a polycarboxylic acid ester having a skeleton represented by the following formula (2) is a particularly preferable example.
- R 1 is a substituted or unsubstituted hydrocarbon group
- R 2 , R 5 and R 6 are hydrogen or a substituted or unsubstituted hydrocarbon group
- R 3 and R 4 are hydrogen or a substituted or unsubstituted group.
- At least one of the substituted hydrocarbon groups is preferably a substituted or unsubstituted hydrocarbon group.
- R 3 and R 4 may be connected to each other to form a cyclic structure. Hydrocarbon groups!
- N O or includes heteroatoms such as S, for example C one 0_C, COOR, COOH, OH, S 0 3 H, one C_N- C-, NH It has a group such as 2 .
- polycarboxylic acid ester examples include getyl succinate, dibutyl succinate, methyl succinate, diisobutyl ⁇ -methyldaltarate, getinole methinolemalonate, getinole meth / remalonate, and ethinole isopropinolemalonate.
- Aliphatic polycarboxylic acid esters such as diaryl acid di-diethylhexyl fumarate, getyl itaconate and dioctyl citraconic acid;
- Alicyclic polycarboxylic acid esters such as getyl 1,2-cyclohexanecarboxylate, diisobutyl 1,2-cyclohexanecarboxylate, getyl tetrahydrophthalate, and getyl nadic acid;
- Heterocyclic polycarboxylic acid esters such as 3,4-monofurandicarboxylic acid and the like can be mentioned.
- polycarboxylic acid esters examples include long-chain dicarboxylic acids such as getyl adipate, diisobutyl adipate, diisopropyl sebacate, di-n-butyl sebacate, di-n-octyl sebacate, and di-2-ethylhexyl sebacate. Acid esters and the like can also be mentioned.
- an organic silicon compound or a polyether compound described later used as the electron donor of the component (c), water, or anionic, cationic, or nonionic surfactant Agents and the like can also be used.
- the electron donor (a-3) it is preferable to use a carboxylic acid ester, and it is particularly preferable to use a polycarboxylic acid ester and a phthalic acid ester. Two or more electron donors (a-3) can be used in combination.
- a carrier-supported solid titanium catalyst component (a) may be prepared using a carrier.
- Such carriers A 1 2 0 3, S i 0 2, B 2 0 3, MgO, C a 0, T i 0 2, Z nO, S n0 2, B a 0, Th_ ⁇ , styrene one Resins such as dibutylbenzene copolymer are exemplified. Among them, A 1 2 0 3, S i ⁇ 2, styrene-divinyl Bulle benzene copolymer are preferably used.
- the solid titanium catalyst component (a) can be prepared by any method including a known method, and is briefly described below with several examples.
- a hydrocarbon solution of a magnesium compound (a-1) containing an electron donor (liquefier) (a-3) is brought into contact with an organometallic compound to precipitate a solid, or Contact reaction with titanium compound (a-2).
- a method comprising contacting and reacting a complex comprising a magnesium compound (a-1) and an electron donor (a-3) with an organometallic compound, followed by a contact reaction with a titanium compound (a-2).
- the magnesium compound (a-1) is supported from a mixture of the magnesium compound (a-1) solution, the electron donor (a-3) and the carrier containing a liquefying agent and possibly a hydrocarbon solvent. And then contacting the titanium compound (a-2).
- a liquid organomagnesium compound (a-1) is brought into contact with a halogen-containing compound, and then a titanium compound (a-2) is brought into contact.
- the electron donor (a-3) is used at least once.
- a method comprising contacting a complex comprising an alkoxy group-containing magnesium compound (a-1) and an electron donor (a-3) with a titanium compound (a_2).
- a reaction aid such as an electron donor (a-3), an organometallic compound, or a halogen-containing silicon compound.
- a liquid magnesium compound (a-1) having no reducing ability is reacted with a liquid titanium compound (a-2) in the presence of an electron donor (a-3) to form a solid matrix.
- the solid obtained by pulverizing the magnesium compound (a_l), the titanium compound (a-2), and the electron donor (a-3) is converted into a halogen, a halogen compound or a halogen compound.
- a method of treating with any of aromatic hydrocarbons In this method, a magnesium compound (a_l) alone, a complex compound composed of a magnesium compound (a-1) and an electron donor (a-3), or a magnesium compound (a-1) And a step of pulverizing the titanium compound (a-2). Further, after the pulverization, a preliminary treatment with a reaction aid may be performed, followed by a treatment with a halogen or the like.
- the reaction aid an organometallic compound or a halogen-containing silicon compound is used.
- Magnesium compounds (a-1) such as magnesium salts of organic acids, alkoxymagnesiums, and aryl xymagnesium, titanium compounds (a-2), electric children (a-3), if necessary
- a method of contacting with a halogen-containing hydrocarbon
- a liquid magnesium compound (a-1) having no reducing ability is reacted with an organometallic compound to precipitate a solid magnesium-metal (aluminum) complex, and then an electron donor ( a-3) and a titanium compound (a-2).
- the amount of each component used for the contact cannot be unequivocally specified depending on the preparation method.
- the electron donor (a-3) is in an amount of from 0.01 to 10 mol, preferably in the range of from 0 :! to 5 mol
- the titanium compound (a-2) is in an amount of from 0.01 to: 10000 mol, Preferably, it is used in an amount of 0.1 to 200 mol.
- the solid titanium catalyst component (a) thus obtained contains magnesium, titanium, halogen, and an electron donor.
- the halogen Z titanium (atomic ratio) ) Is about 2 to 200, preferably about 4 to 100;
- the electron donor titanium (molar ratio) is about 0.01 to 100, preferably about 0.02 to 10;
- Magnesium / titanium (atomic ratio) is preferably about 1 to 100, and preferably about 2 to 50.
- organometallic compound (b) used with solid titanium catalyst component ( a ) Preferably contains a metal selected from Group I to Group III of the periodic table, and specifically includes an organoaluminum compound shown below, a complex alkyl compound of a Group I metal and aluminum, and And organic metal compounds of group metals.
- R 1 and R 2 are each a hydrocarbon group containing usually 1 to 15, preferably 1 to 4 carbon atoms, which may be the same or different.
- X is a halogen atom. Where 0 is m ⁇ 3, n is 0 ⁇ n ⁇ 3, P is 0 ⁇ p ⁇ 3, and q is 0 ⁇ q ⁇ 3.
- M 1 is Li, Na or K, and R 1 is the same as described above.
- R 1 and R 2 are the same as described above, and M 2 is Mg, Zn or Cd.
- organoaluminum compound (b-1) examples include, for example,
- R 1 and R 2 are the same as described above, and m is preferably a number of 1.5 ⁇ m ⁇ 3).
- organoaluminum compound (b-1) examples include trialkylaluminum, trialkylaluminum such as tributylaluminum; trialkenylaluminum such as triisoprenylaluminum;
- Dialkynoaluminum alkoxides such as getyl aluminum ethoxide and dibutyl aluminum butoxide;
- Alkyl anolemezem sesqui alkoxides such as ethyl aluminum sesqui ethoxide and butyl aluminum sesqui butoxide;
- Dialkylaluminum halides such as getylaluminum chloride, dibutylaluminum chloride, and getylaluminum bromide;
- Alkyl aluminum sesquihalides such as ethyl aluminum sesquichloride, butyl aluminum sesquichloride, and ethyl aluminum sesquibromide
- alkyl aluminum such as ethyl aluminum dichloride, propyl aluminum dichloride, and butyl aluminum dichloride Partially halogenated alkylaluminums such as dihalide;
- Dialkylorenoleimidium hydrides such as getyl aluminum hydride and dibutyl aluminum hydride;
- alkylaluminum dihydrides such as ethylaluminum dihydride and propylaluminum dihydride
- Ethyl aluminum ethoxychloride, butyl aluminum butoxycyclolide, Partially alkoxylated or halogenated alkyl aluminums such as ethyl aluminum ethoxy bromide can be mentioned.
- Examples of the compound similar to the organoaluminum compound (b-1) include an organoaluminum compound in which two or more aluminum atoms are bonded via an oxygen atom or a nitrogen atom.
- organoaluminum compound in which two or more aluminum atoms are bonded via an oxygen atom or a nitrogen atom For example, (C 2 H 5 ) 2 A 1 OA 1 (C 2 H 5 ) 2 , (C 4 H 9 ) 2 A 1 OA 1 (C 4 H 9 ) 2 , (C 2 H 5 ) 2 A 1 N (C 2 H 5 ) A 1 ( And aluminoxanes such as C 2 H 5 ) 2 and methylaluminoxane.
- an organoaluminum compound (b-1), particularly a trialkylaluminum, is preferably used.
- the organometallic compound (b) can be used in combination of two or more kinds.
- the electron donor (c) used together with the solid titanium catalyst component (a) and the organometallic compound (b) include an organosilicon compound (c-1) represented by the following formula (3). Or a compound having two or more ether bonds existing through a plurality of atoms (c-12).
- n 1, 2 or 3, when n is 1, R 1 is a secondary or tertiary hydrocarbon group, and when n is 2 or 3, at least R 1 One is a secondary or tertiary hydrocarbon group, R 1 may be the same or different, R 2 is a hydrocarbon group having 1 to 4 carbon atoms, and 4_n is When it is 2 or 3, R 2 may be the same or different.
- the secondary or tertiary hydrocarbon group may be a cyclopentyl group, a cyclopentyl group, a cyclopentagenyl group, or a group having a substituent. Or a hydrocarbon group in which the carbon adjacent to Si is secondary or tertiary. More specifically, Examples of the substituted cyclopentyl group include a 2-methylcyclopentyl group, a 3-methylcyclopentinole group, a 2-ethynolecyclopentynole group, a 2-n-butynolecyclopentynole group, a 2,3-dimethylcyclopentyl group, and a 2,4.
- cyclopentyl group having an alkyl group such as a cyclopentyl group, a tetramethylcyclopentyl group, and a tetraethylcyclopentyl group.
- Examples of the substituted cyclopentyl group include a 2-methylcyclopentyl group, a 3-methylcyclopentyl group, a 2-ethylcyclopentyl group, a 2_n-butylcyclopentenyl group, and a 2,3-dimethylcyclopentyl group.
- 2,4-dimethylcyclopentenyl group 2,5-dimethylcyclopentenyl group, 2,3,4-trimethylcyclopenteninole group, 2,3,5-trimethylcyclopentenyl group, 2,3,4 —
- Examples thereof include a cyclopentenyl group having an alkyl group such as a triethylcyclopentenyl group, a tetramethylcyclopentenyl group, and a tetraethylcyclopentenyl group.
- Examples of the substituted cyclopentagenenyl group include a 2-methylcyclopentagenenyl group, a 3-methylcyclopentagenenyl group, a 2-ethylcyclopentagenenyl group, a 2-n-butylcyclopentagenenyl group, and a 2,3- Dimethylcyclopentagenenyl group, 2,4-dimethinolecyclopentageninole group, 2,5_dimethy ⁇ cyclopentagenenyl group, 2,3-getylcyclopentagenenyl group, 2,3,4- Trimethylcyclopentagenenyl group, 2,3,5-trimethylcyclopentagenenyl group, 2,3,4-triethylcyclopentagenenyl group, 2,3,4,5-tetramethylcyclopentagenenyl group, 2 , 3,4,5-tetraethylcyclopentagenenyl group, 1,2,3,4,5-pentamethylcyclopentagenenyl group, 1,2,3,4,5-pentaethylcyclopentagenenyl group Sik
- hydrocarbon group in which the carbon adjacent to Si is a secondary carbon examples include i-propyl, s-butyl, s_amyl, ⁇ -methylbenzyl, and the like.
- hydrocarbon group in which the adjacent carbon is a tertiary carbon examples include a t-butyl group, a t-amyl group, an ⁇ , ⁇ ′-dimethylbenzyl group, an admantyl group, and the like.
- organosilicon compound (c-1) in which ⁇ is 1 in the above formula (3) examples include pentyltrimethoxysilane, 2-methylpentyltrimethoxysilane, 2,3-dimethylcyclopentyltrimethoxysilane, and cyclopentyltriethoxysilane.
- organosilicon compound (c-1) in which n is 2 in the above formula (3) examples include dicyclopentinoresethoxysilane, dicyclopentinoleethoxysilane, t-butylmethyldimethoxysilane, and t-butylmethyljetoxy.
- Dialkoxysilanes such as silane, t-amyl methyl methoxy silane, dicyclohexyl dimethoxy silane, cyclohexyl methyl dimethyl silane, cyclohexyl methyl ethoxy silane, 2-norbornane methyl dimethoxy silane, and the following formula (4) Dimethoxy compounds and the like.
- ⁇ ⁇ и ⁇ ⁇ ⁇ ⁇ is independently a cyclopentyl group, A pentyl group, a cyclopentyl group, a substituted cyclopentenyl group, a cyclopentagel group, a substituted cyclopentagenenyl group, or a hydrocarbon group in which the carbon adjacent to Si is a secondary or tertiary carbon.
- Examples of the dimethoxy compound represented by the formula (4) include:
- Di (2,4-dimethinolecyclopenteninole) dimethoxysilane Di (2,5-dimethylcyclopentenyl) dimethoxysilane, di (2,3,4-trimethylcyclopentenyl) dimethoxysilane, di (2,3,5-trimethylcyclopentenyl) dimethoxysilane, di (2,3 , 4-triethylcyclopentenyl) dimethoxysilane, di (tetramethylcyclopentenyl) dimethoxysilane,
- organosilicon compound (c-1) in which n is 3 in the above formula (3) examples include tricyclopentymethoxysilane, tricyclopentynoleethoxysilane, dicyclopentenolemethynolemethoxysilane, and dicyclopentynoleethynoleme.
- Monoalkoxy silanes such as toxic silane, dicyclopentinolemethylethoxy silane, cyclopentyl dimethyl methoxy silane, cyclopentyl dimethyl methoxy silane, and cyclopentyl dimethyl ethoxy silane.
- dimethoxysilanes particularly dimethoxysilanes represented by the above formula (4), are preferred.
- dicyclopentyldimethoxysilane, di_t-butyldimethoxysilane, di (2-methylcyclopentyl) Dimethoxy silane, di (3-methylcyclopentyl) dimethoxy silane, di-t-amyl dimethoxy silane and the like are preferred.
- the organic silicon compound (c-1) can be used in combination of two or more kinds.
- Compounds having two or more ether bonds (hereinafter also referred to as polyether compounds) existing through a plurality of atoms used as an electron donor (c) (c-12)
- the atoms present are one or more selected from carbon, silicon, oxygen, sulfur, phosphorus, and boron, and have two or more atoms.
- a relatively bulky substituent at the atom between the ether bonds specifically a substituent having 2 or more, preferably 3 or more carbon atoms and having a linear, branched or cyclic structure, preferably a branched one
- a compound having a substituent having a cyclic structure bonded thereto is desirable.
- the atom existing between two or more ether bonds may have a plurality of atoms, preferably 3 to 20 atoms. Preference is given to compounds containing from 3 to 10, especially preferably from 3 to 7, carbon atoms.
- polyether compound (c-2) for example, a compound represented by the following formula (5) can be mentioned.
- n is an integer of 2 ⁇ n ⁇ 10
- ⁇ ⁇ Shaku 26 is a substituent having at least one element selected from carbon, hydrogen, oxygen, halogen, nitrogen, sulfur, phosphorus, boron and silicon, and any Ri ⁇ R 26 , preferably Ri ⁇ R 2 "may form a jointly other than benzene ring ring may contain atoms other than carbon in the main chain.
- 1,3-diethers are preferably used, and in particular, 2,2-diether Isobutyl-1,3-dimethoxypropane, 2-isopropyl-12-isopentyl-1,3-dimethoxypropane, 2,2-dicyclohexyl-1,3-dimethoxypropane, 2,2-bis (cyclohexyl) Xylmethyl) 1,3-dimethoxy mouth bread is preferably used.
- Two or more polyether compounds (c-12) can be used in combination. It is also possible to use a combination of an organic silicon compound (c-1) and a polyether compound (c-12).
- an organic silicon compound represented by the following formula (6) can be used in combination.
- the organic silicon compound represented by the formula (3) includes an organic silicon compound represented by the formula (3).
- the compound (c-1) is not included.
- organosilicon compound represented by the formula (6) include trimethyl methoxy silane, trimethyl ethoxy silane, dimethyl dimethoxy silane, dimethyl ethoxy silane, diisopropyl dimethoxy silane, diphenyl dimethyl silane, phenyl methyl dimethoxy silane, Diphenylethoxysilane, bis-o-tolyldimethoxysilane, bis-m-tolyldimethoxysilane, bis-p-tolyldimethoxysilane, bis-p-tri ⁇ / diethoxysilane, bisethyl ⁇ / phenyldimethoxysilane, ethyltrimethoxysilane, ethyltriethoxysilane , Byurutorime Tokishishiran, Mechirutorime Tokishishiran, n - propyl triethoxysilane DOO Kishishiran, Deshirutorime Tokishishiran
- preliminary polymerization may be performed in advance.
- the olefin is polymerized in the presence of the solid titanium catalyst component (a), the organic metal compound (b), and, if necessary, the electron donor (c).
- Prepolymerized olefins include linear olefins such as ethylene, propylene, 1-butene, 1-octene, 1-hexadecene, and 1-eicosene; 3-methyl-1-butene; 3-methyl-1-pentene; Echinole 1-pentene, 4-methinole 1-pentene, 4-methinole 1-hexene, 4,4-dimethinole 1-xene, 4,4-dimethyl-1-pentene, 4-ethyl 1-hexene, 1-hexene, 1-hexene, arinolenaphthalene, ant ⁇ / nozoleponenane, styrene, dimethylstyrenes, biernaphthalenes, aryltoluenes, arylbenzene, vinylinolecyclohexane, vinylinolecyclopentane, vinylinolecycloheptane Olefins having
- the prepolymerization is preferably carried out so as to produce a polymer of the solid titanium catalyst component (a) in an amount of about 0.1 to 1,000 g, preferably about 0.3 to 500 g, per lg. If the amount of prepolymerization is too large, the efficiency of (co) polymer formation in the main polymerization may decrease.
- the catalyst can be used at a much higher concentration than the catalyst concentration in the system in the main polymerization.
- the solid titanium catalyst component (a) is titania per liter of polymerization volume. It is generally desirable to use the compound in a concentration of about 0.01 to 200 mmol, preferably about 0.05 to 100 mmol in terms of atom atoms.
- the organometallic compound (b) may be used in an amount of usually about 0.1 to 100 mmol, preferably about 0.5 to 50 mmol, per mol of titanium atom in the solid titanium catalyst component (a). desirable.
- the electron donor (c) may or may not be used at the time of the prepolymerization, but may be used in an amount of 0.1 to 50 mol, preferably 0.5 to 50 mol per mol of titanium atom in the solid titanium catalyst component (a). It can be used in an amount of up to 30 moles, more preferably 1 to 10 moles.
- the prepolymerization is preferably carried out under mild conditions by adding the prepolymerized olefin and the above catalyst component to an inert hydrocarbon medium.
- the inert hydrocarbon medium include aliphatic hydrocarbons such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane, and kerosene; alicycles such as cyclopentane, cyclohexane, and methylcyclopentane.
- the prepolymerization temperature may be any temperature at which the resulting prepolymer does not substantially dissolve in the inert hydrocarbon medium, and is usually from 120 to 100 ° C, preferably from ⁇ 20 to + 80 °. C, more preferably about 0 to 1040 ° C.
- the prepolymerization can be performed in a batch system, a continuous system, or the like. During the prepolymerization, the molecular weight can be adjusted using hydrogen or the like.
- the solid titanium catalyst component (a) (or prepolymerized catalyst) is used in an amount of about 0.001 to 50 mmol, preferably about 0.000, in terms of a polymerization volume of 1 liter / liter of titanium atom. It is desirable to use it in an amount of 1 to 10 mmol.
- (b) is desirably used in an amount of about 1 to 2,000 mol, preferably about 2 to 500 mol, in terms of the amount of metal atoms per 1 mol of titanium atoms in the polymerization system.
- the method for producing the first and second polypropylene resin compositions of the present invention includes producing a relatively high-molecular-weight polypropylene and a relatively low-molecular-weight polypropylene by multi-stage polymerization of two or more stages.
- the molecular weight of the polymer in each stage can be adjusted by, for example, changing the amount of hydrogen supplied to the polymerization system.
- the polymerization may be performed by any of a liquid phase polymerization method such as a gas phase polymerization method, a solution polymerization method, and a suspension polymerization method, and the above-described steps may be performed by different methods.
- the process may be performed in any of a batch system, a semi-continuous system, and a continuous system, and each of the above stages may be performed by dividing into a plurality of polymerization vessels, for example, 2 to 10 polymerization vessels.
- Inert hydrocarbons may be used as the polymerization medium, and liquid propylene may be used as the polymerization medium.
- the polymerization conditions in each stage are such that the polymerization temperature is in the range of about ⁇ 50 to 200 ° C., preferably about 20 to 100 ° C., and the polymerization pressure is normal pressure to 9.8 MPa (normal pressure to 100 kgf Zc m 2 , gauge pressure), preferably 0.20 to 4.9 MPa (about 2 to 50 kgf Zcm 2 , gauge pressure).
- a solid titanium catalyst component (a) and an organometallic compound (b) can be newly added as necessary.
- the organometallic compound (b) in the pre-polymerization and the main polymerization may be the same or different.
- the electron donor (c) is used at least once in either the prepolymerization or the main polymerization, and is used only in the main polymerization or in both the prepolymerization and the main polymerization.
- the electron donor (c) in the pre-polymerization and the main polymerization may be the same or different.
- Each of the catalyst components as described above does not need to be newly added in each subsequent step performed after the completion of the previous polymerization, but may be appropriately added.
- the crystallinity or stereoregularity index of the obtained polypropylene resin composition is reduced even when hydrogen is used during polymerization.
- the catalyst activity does not decrease.
- the polypropylene resin composition can be produced in a high yield per solid amount of the solid titanium catalyst component (a), so that the amount of the catalyst in the polypropylene resin composition, particularly the halogen content, is reduced. It can be relatively reduced. Therefore, the operation of removing the catalyst from the polypropylene resin composition can be omitted, and when a molded article is formed using the finally obtained polypropylene resin composition, the mold is less likely to erupt. Les ,.
- the first and second polypropylene resin compositions of the present invention may optionally contain additives and other polymers as long as the objects of the present invention are not impaired.
- a rubber component or the like may be appropriately mixed in order to improve the strength.
- the above rubber components include gen components such as ethylene / propylene copolymer rubber, ethylene / 1-butene copolymer rubber, ethylene / 1-octene copolymer rubber, and propylene / ethylene copolymer rubber.
- gen components such as ethylene / propylene copolymer rubber, ethylene / 1-butene copolymer rubber, ethylene / 1-octene copolymer rubber, and propylene / ethylene copolymer rubber.
- Non-crystalline or low-crystalline a-olefin copolymer containing no ethylene propylene 'dicyclopentene pentadiene copolymer rubber
- ethylene Propylene.
- 1,4_hexadiene copolymer rubber ethylene propylene Ethylene, propylene and non-conjugated gen copolymers such as cyclooctadiene copolymer rubber, ethylene propylene methylene nonolepolene copolymer rubber, ethylene propylene ethylene glycol nonolevonene copolymer rubber Rubber: ethylene / butadiene copolymer rubber and the like can be mentioned.
- additives examples include a nucleating agent, an antioxidant, a hydrochloric acid absorber, a heat stabilizer, a weather stabilizer, a light stabilizer, an ultraviolet absorber, a slip agent, an antiblocking agent, an antifogging agent, a lubricant, and a charge agent.
- the first and second polypropylene resin compositions of the present invention contain
- the body may be contained as a nucleating agent, or various known nucleating agents may be blended.Also, a prepolymer may be contained and other nucleating agents may be blended.
- the crystal grains are refined, and the crystallization speed is improved to enable high-speed molding.
- the first and second polypropylene resin compositions of the present invention contain a nucleating agent, crystal grains can be miniaturized and the crystallization speed can be improved, thereby enabling high-speed molding.
- nucleating agent other than the prepolymer examples include various conventionally known nucleating agents, for example, phosphite-based nucleating agents, sorbitol-based nucleating agents, metal salts of aromatic or aliphatic carboxylic acids, and inorganic compounds. It is used without particular limitation.
- the inorganic filler examples include talc, silica, myriki, calcium carbonate, glass fiber, glass beads, barium sulfate, magnesium hydroxide, walasnite, calcium silicate fiber, carbon fiber, magnesium oxysulfate fiber, and potassium titanate Fiber, titanium oxide, calcium sulfite, white carbon, clay, calcium sulfate and the like.
- talc silica, myriki, calcium carbonate, glass fiber, glass beads, barium sulfate, magnesium hydroxide, walasnite, calcium silicate fiber, carbon fiber, magnesium oxysulfate fiber, and potassium titanate Fiber, titanium oxide, calcium sulfite, white carbon, clay, calcium sulfate and the like.
- talc is used among the inorganic fillers, stiffness and impact resistance of the obtained molded article are increased, and talc is preferably used.
- Both the first and second polypropylene resin compositions of the present invention are lightweight, have extremely high rigidity and heat resistance, are excellent in scratch resistance, have good flowability during molding, and have good workability. In addition to being excellent, it has excellent impact resistance, surface gloss, chemical resistance and abrasion resistance.
- the first and second polypropylene resin compositions of the present invention can be used without limitation in the fields where the above properties are required, and are suitable for use as a raw material resin for injection molding. Can also be used as raw material resin for the method Monkey
- first and second polypropylene resin compositions of the present invention are used as a raw material resin for injection molding
- other components such as the rubber component and additives can be blended with the raw material resin.
- the rubber component By blending the rubber component, the impact resistance of the molded product can be improved.
- talc particularly talc having the above average particle diameter, the rigidity and impact resistance of the molded article can be improved.
- the rubber composition is 40 to 100 parts by weight, preferably 55 to 85 parts by weight, of the first or second polypropylene resin composition of the present invention. It is desirable to add 0 to 50 parts by weight of the component, preferably 10 to 35 parts by weight, and 0 to 60 parts by weight, preferably 5 to 25 parts by weight of the inorganic filler.
- the first or second polypropylene resin composition of the present invention 50 to 100 parts by weight of the first or second polypropylene resin composition of the present invention, 0 to 40 parts by weight of the rubber component, preferably 0 to 25 parts by weight , And 0 to 40 parts by weight, preferably 0 to 25 parts by weight of the inorganic filler.
- the starting resin for the injection-molded article includes 0.05 to 1 part by weight of an antioxidant and 0.1 to 1 part by weight of a first or second polypropylene resin composition of the present invention, and 0 to 1 part by weight of a light stabilizer.
- a light stabilizer Parts by weight, 0 to 1 part by weight of an ultraviolet absorber, 0 to 1 part by weight of an antistatic agent, 0.5 to 1 part by weight of a lubricant, and 0 to 1 part by weight of a copper inhibitor.
- the injection-molded article of the present invention is an injection-molded article obtained by injection-molding the first or second polypropylene resin composition of the present invention or a resin composition obtained by blending these polypropylene resin compositions with other components. .
- the injection molded article of the present invention can be manufactured by injection molding the raw material resin into various shapes using a known injection molding apparatus and under known conditions.
- the injection-molded article of the present invention is lightweight, has extremely high rigidity and heat resistance, is excellent in scratch resistance, and is also excellent in impact resistance, surface gloss, chemical resistance, abrasion resistance and appearance. It can be widely used as automotive parts, home appliances, and other molded products.
- injection molded article of the present invention examples include an armrest, an indicator panel lower, an indicator panel core, an indicator panel wrapper, a car collar housing, a console box, a grab-out door, a glove box, a trim, a door trim, and a door pocket.
- Speaker grills high mounts, relay fuse boxes, lamp housings, meter cases, meter hoods, villas, center villas, etc .; automotive interior materials; bumpers, front grille sides, license plates, Automotive exterior materials such as, side moorings, non-no corners, empersides, and side mat guards; arc cleaner cases, junction boxes, sirocco fans, conore gates Other automotive parts such as tubes, connectors, fan shrouds, protectors, lamp housings, reserve tanks (caps), air purifiers, battery cases; cleaner pipes, dishwasher parts, washing machine parts, housings, hotplates, rice cookers Home appliances such as syringe bodies; other syringes, caps, connectors, containers, daily necessities, medical supplies, miscellaneous goods, etc.
- first and second polypropylene resin compositions of the present invention have specific physical properties, they are lightweight, have extremely high rigidity and heat resistance, are excellent in scratch resistance, and are excellent in molding. Has good fluidity and excellent workability. For this reason, molded parts made of the polypropylene resin composition of the present invention can be made thinner and lighter than conventional ones.
- the injection molded article of the present invention is made of the first or second polypropylene resin composition, it is lightweight, has extremely high rigidity and heat resistance, and is excellent in scratch resistance and appearance. Can be efficiently formed.
- the temperature of the resulting mixture was raised to 110 ° C over 4 hours, and when the temperature reached 110 ° C, 5.22 g of diisobutyl phthalate (DIBP) was added. The same temperature was maintained while stirring for 2 hours. Then solid portion was collected by hot filtration, and thereafter the solid portion was resuspended in titanium tetrachloride 275 m 1, was heated at re 1 10 D C. After completion of the heating, a solid portion was collected by reheat filtration, and washed with decane and hexane at 110 ° C. until no titanium compound was detected in the washing solution.
- the solid titanium catalyst component prepared as described above was stored as a hexane slurry. Some of them were dried to examine the catalyst composition. As a result, the solid titanium catalyst component, the titanium 2.5% by weight, the chlorine 58 weight 0/0 had magnesium 18% by weight and DIBP 1 3. have 8 wt% free.
- a polypropylene resin composition V-6 was obtained in the same manner as in Production Example 1 except that the polymerization conditions shown in Table 1 were changed and the proportion of polypropylene obtained in the first stage propylene homopolymerization was changed to 40% by weight. Was.
- a polypropylene resin composition V-7 was obtained in the same manner as in Production Example 1 except that the polymerization conditions shown in Table 1 were changed and the proportion of polypropylene obtained in the first stage propylene homopolymerization was changed to 38% by weight. Was.
- the polypropylene V-2 obtained in Production Example 2 was melt-blended in a blending ratio of 15 parts by weight and the polypropylene V_5 obtained in Production Example 5 in a blending ratio of 85 parts by weight. Thus, a pyrene resin composition V_9 was obtained.
- the polypropylene was melt-blended with 79 parts by weight of the polypropylene resin composition V-6 obtained in Production Example 6 and 21 parts by weight of the polypropylene resin composition V-7 obtained in Production Example 7 to obtain a polypropylene.
- Resin composition V-10 was obtained.
- Titanium tetrachloride is reduced with metallic aluminum, which is further polymerized using disobutyl phthalate and a solid catalyst component mainly composed of pulverized titanium trichloride to obtain a polypropylene resin composition.
- a vibrating mill equipped with four 4-liter grinding pots containing 9 kg of copper balls with a diameter of 12 mm was prepared.
- 300 g of magnesium chloride, 115 ml of diisobutyl phthalate and 6 Om 1 of titanium tetrachloride were added to each pot in a nitrogen atmosphere, and pulverized for 40 hours.
- 5 g of the obtained co-ground product was placed in a 20-Om 1 flask, toluene 10 Om 1 was added, the mixture was stirred at 114 ° C for 30 minutes, and then allowed to stand still to remove a supernatant.
- the solid content was washed with n-heptane 10 Om 1 three times at 20 ° C., and further dispersed in 100 ml of n_heptane to obtain a solid titanium catalyst slurry.
- the resulting solid titanium catalyst contained 2.0% by weight of titanium and 18% by weight of diisobutyl phthalate.
- the temperature was raised to 70 ° C, the pressure in the polymerization tank (polymerization tank pressure 2) was increased to 0.74 MPa (7.6 kgf / cm 2 , gauge pressure), and the hydrogen concentration in the gas phase (hydrogen concentration) Propylene and hydrogen were continuously charged so that 2) was maintained at 55 V o 1%, and polymerization was carried out for 5.0 hours (polymerization time 2) (the second stage polymerization was completed).
- the polymerization was stopped by charging 12 ml of methanol, followed by purification and drying according to a conventional method to obtain 58 kg of a powdery polypropylene resin composition V-12.
- the MFR of the obtained polypropylene resin composition V-12 was 34 g / 10 minutes.
- the proportion of the polypropylene produced by the first-stage polymerization in the finally obtained polypropylene resin composition V_12 calculated from the material balance was 20.0% by weight.
- the solid titanium catalyst component of Production Example 12 was used.
- a nitrogen autoclave having a capacity of 3000 liters was charged with 1,180 liters of heptane, 133 g of diluted triethylaluminum, 280 g of dicyclopentyldimethoxysilane, and 72 g of the solid titanium catalyst under a nitrogen atmosphere. .
- nitrogen in the polymerization tank was removed with a vacuum pump, and after propylene and hydrogen were charged, heating was started.
- the pressure inside the polymerization tank (polymerization tank pressure 1) was reduced to 0.29MPa.
- a (3.0 (kgi / c gauge pressure) propylene was continuously charged, and polymerization was continued for 1.6 hours (polymerization time 1).
- a part of the slurry in the polymerization tank was sampled and analyzed, and the intrinsic viscosity [] was 9. Odl / g.
- the temperature was raised to 75 ° C, the pressure inside the polymerization tank (polymerization tank pressure 2) was increased to 0.74 MPa (7.5 kgi / cm 2 , gauge pressure), and the hydrogen concentration in the gas phase (hydrogen concentration) Propylene and hydrogen were continuously charged so that 2) was maintained at 61 V o 1%, and polymerization was carried out for 2.5 hours (polymerization time 2) (the second stage polymerization was completed).
- the polymerization was stopped by charging 144 ml of methanol, followed by purification and drying according to a conventional method to obtain 651 kg of a powdery polypropylene resin composition V-13.
- the MFR of the obtained polypropylene resin composition V-13 was 36 g / 10 minutes.
- the proportion of the polypropylene formed by the first-stage polymerization in the finally obtained polypropylene resin composition V-13 calculated from the material balance was 19.0% by weight.
- Polypropylene pyrene resin composition was prepared in the same manner as in Production Example 13 except that the polymerization conditions shown in Table 2 were changed and the proportion of polypropylene obtained in the first-stage propylene homopolymerization was changed to 15.1% by weight. I got V-14.
- Polypropylene pyrene resin composition V was prepared in the same manner as in Production Example 13 except that the polymerization conditions shown in Table 2 were changed and the proportion of polypropylene obtained in the first-stage propylene homopolymerization was changed to 22.0% by weight. — Got 1-5.
- Polypropylene pyrene resin composition V was prepared in the same manner as in Production Example 13 except that the polymerization conditions shown in Table 2 were changed, and the proportion of polypropylene obtained in the first stage propylene homopolymerization was changed to 24.0% by weight. — I got 16. Production Example 1 7
- Polypropylene pyrene resin composition was prepared in the same manner as in Production Example 13 except that the polymerization conditions shown in Table 2 were changed and the proportion of polypropylene obtained in the first-stage propylene homopolymerization was changed to 15.2% by weight. V—17 was obtained.
- a vibration mill equipped with four 4-liter grinding pots containing 9 kg of steel balls with a diameter of 12 mm was prepared.
- 300 g of magnesium chloride, 115 ml of diisobutyl phthalate and 60 ml of titanium tetrachloride were added to each pot in a nitrogen atmosphere, and pulverized for 40 hours.
- 5 g of the obtained co-milled product was put into a 20-Om 1 flask, toluene 10 Om 1 was added, the mixture was stirred at 114 ° C for 30 minutes, and then allowed to stand to remove a supernatant.
- the solid content was washed with n-heptane 10 Om 1 three times at 20 ° C., and further dispersed in 100 ml of n-heptane to obtain a solid titanium catalyst slurry.
- the resulting solid titanium catalyst contained 1.8% by weight of titanium and 18% by weight of diisobutyl phthalate.
- the above solid titanium catalyst component (250 g), triethyl aluminum (32.1 g), and heptane (125 liter) were charged into an autoclave having an internal volume of 200 1 iter. Next, while maintaining the temperature in the autoclave at 10 ° C., 1250 g of propylene was charged, and after stirring for 30 minutes, 18 g of titanium tetrachloride was charged to prepare a prepolymerized catalyst slurry.
- heptane was charged at 44 L / hour, and the above prepared polymerization catalyst was used as a catalyst at 8.02 gZ hours, and triethyl aluminum at 15.2 gZ hours.
- dicyclopentyldimethoxysilane were continuously supplied for 31.2 hours, and the pressure in the polymerization tank was increased to 0.27 MPa (2.8 kgf / cm2) at a temperature of 60 ° C and substantially no hydrogen. (Gauge pressure) was continuously charged.
- the slurry obtained by the polymerization was continuously sent to a polymerization tank 2 having an internal volume of 500 liters, and was further polymerized.
- the average reaction amount determined from the mass balance was 2000 gZ of the solid titanium catalyst component.
- the intrinsic viscosity [] was 9.8 dl / g.
- Propylene and hydrogen were continuously supplied so as to maintain Pa (6.1 kgf Zcm 2 , gauge pressure) and the hydrogen concentration in the gas phase at 44 V o 1%.
- the slurry exiting the polymerization tank 2 was supplied to the polymerization tank 3 having an internal volume of 500 liter.
- heptane 31 LZ time, temperature 70 ° C, pressure inside polymerization tank 0.68MPa (6. S kgi / cm 2 , gas pressure), hydrogen concentration in gas phase 43 V o 1 % And propylene and hydrogen were continuously supplied.
- the slurry exiting the polymerization tank 3 was supplied to a polymerization tank 4 having an internal volume of 500 liter.
- the polymerization tank 4 In the polymerization tank 4, heptane is maintained for 22 LZ hours, temperature is 70 ° C, the pressure in the polymerization tank is 0.42MPa (4.3 kgfcm 2 , gauge pressure), and the hydrogen concentration in the gas phase is 43 Vo 1% Propylene and hydrogen were continuously supplied as described above.
- the slurry exiting the polymerization tank 4 was supplied to a polymerization tank 5 having an internal volume of 200 liter.
- the pressure in the polymerization tank was 0.3 IMPa (3.2 kg ⁇ / cm 2 , gauge pressure) at a temperature of 70 ° C for 10 LZ hours of heptane, and the hydrogen concentration in the gas phase was 43 V o 1 % And propylene and hydrogen were continuously supplied.
- the average reaction amount determined from the mass balance was 9800 gZ of the solid titanium catalyst component.
- the heptane was centrifuged by a usual method, and dried at 80 ° C and 7 OmmHg for 10 hours to obtain a polypropylene resin composition V. — 18
- the polypropylene resin composition V-18 was obtained in 78 KgZ hours, and the MFR was 18 gZ 1 Omin.
- the solid titanium catalyst component of Production Example 1 was used for convenience.
- Production example 6 V-6 Yes (trace) 70 20 2.0 Yes 70 5 1.4
- Production example 7 V-7 Yes (trace) 70 204.0 Yes 70 5 2.7
- Tables 5 to 7 show the physical properties of the polypropylene resin compositions obtained in the above Production Examples. Further, the polypropylene resin composition was subjected to a prescribed additive formulation, and was melt-kneaded at 200 ° C. in a single screw extruder (manufactured by Ishinaka Tetsusho Co., Ltd.) to obtain a pellet. Injection molding was performed using this pellet and mechanical properties and fluidity were evaluated. The results are shown in Tables 5 to 7.
- the temperature of the resulting mixture was raised to 110 ° C over 4 hours, and when it reached 110 ° C, 5.22 g of diisobutyl phthalate (DIBP) was added. The temperature was maintained at the same temperature while stirring for 2 hours. Next, a solid portion was collected by filtration while hot, and the solid portion was resuspended in 275 ml of titanium tetrachloride, and then heated again at 110 ° C for 2 hours. After the heating, the solid portion was collected again by hot filtration, and washed with decane and hexane at 110 ° C. until no titanium compound was detected in the washing solution.
- the solid titanium catalyst component prepared as described above was stored as a hexane slurry. Some of them were dried to examine the catalyst composition. As a result, the solid titanium catalyst component contained 2.5% by weight of titanium, 58% by weight of chlorine, 18% by weight of magnesium, and 13.8% by weight of DIBP.
- Table 8 shows the physical properties of the obtained polypropylene resin composition. Show.
- the intrinsic viscosity [] of the polypropylene obtained in the first stage was 9.5 dl / g as a result of sampling a part of the polypropylene after the completion of the first stage.
- the proportion of the polypropylene obtained by the first polymerization in the finally obtained polypropylene resin composition was 15% by weight. /. Met.
- Various physical properties of the finally obtained propylene resin composition were measured. Table 8 shows the results.
- the finally obtained polypropylene resin composition was subjected to prescribed additive formulation, and was melt-kneaded at 200 ° C. in a single screw extruder (manufactured by Ishinaka Tekkosho Co., Ltd.) to obtain a pellet.
- This pellet was injection molded at a resin temperature of 190 ° C and a mold temperature of 60 ° C using a J100 SAII injection molding machine manufactured by Japan Steel Works, Ltd. to obtain an injection molded product.
- the injection moldability was good.
- Example 8 dicyclopentyldimethoxysilane (DC PMS) was changed to cyclohexylmethyldimethoxysilane (CMDMS), and hydrogen was fed in the first-stage homopolymerization, and polymerization was performed in the same manner as in the second-stage homopolymerization. Otherwise in the same manner as in Example 8, polypropylene was obtained. The physical properties of this polypropylene were measured in the same manner as in Example 8. Table 8 shows the results.
- the polypropylenes B170 and B168 produced as described below were melt-blended at a weight ratio of 85 to 15 to prepare a polypropylene resin composition.
- the physical properties of this resin were measured in the same manner as in Example 8. Table 8 shows the results.
- Example 8 the propylene homopolymerization in the first and second stages was polymerized in the same manner to finally obtain a polypropylene having an MFR of 50 g / 10 minutes.
- Example 8 the propylene homopolymerization in the first and second stages was polymerized in the same manner to finally obtain a polypropylene having an MFR of 2 g / 10 minutes. Comparative Example 13
- polypropylenes B 176 and B 178 were melt-blended at a compounding ratio of 79:21 by weight to produce a polypropylene resin composition.
- the physical properties of this resin were measured in the same manner as in Example 8. Table 8 shows the results.
- Example 8 is the same as Example 8 except that the polypropylene obtained in the first step has a polar root viscosity of 2.0 d 1 / g and a ratio of 40 wt%.
- Polypropylene B 1 78 Polypropylene B 1 78:
- Example 8 is the same as Example 8, except that the polypropylene obtained in the first stage has a root viscosity [] of 38 d% at 4.0 d 1 / g.
- Titanium tetrachloride was reduced with metallic aluminum, and this was further polymerized using disobutyl phthalate and a solid catalyst component composed mainly of pulverized titanium trichloride to obtain a polypropylene resin composition.
- the physical properties of this polypropylene resin composition were measured in the same manner as in Example 8. Table 8 shows the results.
- Example 8 Comparative Example 1 1 Comparative Example 1 2 Comparative Example 13 Comparative Example 14 Melting point ⁇ 1 C 162. 9 1 6 1. 0 1 63. 3 1 62. 9 1 62. 1
- the polypropylene resin composition of the present invention is lightweight, has extremely high rigidity and heat resistance, has excellent scratch resistance, has good flowability during molding, has excellent workability, and has impact resistance and surface gloss. Excellent in chemical and abrasion resistance, for injection molding Although it is suitable for use as a raw material resin of the present invention, it can also be used as a raw material resin for other molding methods.
- the injection molded article of the present invention is made of the above polypropylene resin composition, it is light in weight, has high rigidity and extremely high heat resistance, and has excellent scratch resistance, as well as impact resistance, surface gloss, Excellent in chemical resistance, abrasion resistance and appearance, and can be widely used as automotive parts, home appliances, and other molded products.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE69820399T DE69820399T2 (de) | 1997-05-30 | 1998-05-28 | Polypropylenharz-Zusammensetzung und spritzgegossener Gegenstand |
| EP98921853A EP0919572B8 (en) | 1997-05-30 | 1998-05-28 | Polypropylene resin composition and injection-molded article |
| US09/230,482 US6320009B1 (en) | 1997-05-30 | 1998-05-28 | Polypropylene resin composition and injection-molded article |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14236697 | 1997-05-30 | ||
| JP9/142366 | 1997-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1998054233A1 true WO1998054233A1 (en) | 1998-12-03 |
Family
ID=15313721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1998/002347 Ceased WO1998054233A1 (en) | 1997-05-30 | 1998-05-28 | Polypropylene resin composition and injection-molded article |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6320009B1 (ja) |
| EP (1) | EP0919572B8 (ja) |
| KR (1) | KR100444618B1 (ja) |
| CN (1) | CN1116315C (ja) |
| DE (1) | DE69820399T2 (ja) |
| WO (1) | WO1998054233A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1026198A1 (en) * | 1999-02-05 | 2000-08-09 | Grand Polymer Co., Ltd. | Polypropylene resin composition and injection-molded article thereof |
| WO2000063261A1 (en) * | 1999-04-15 | 2000-10-26 | Basell Technology Company B.V. | Components and catalysts for the polymerization of olefins |
| JP2001164060A (ja) * | 1999-12-09 | 2001-06-19 | Tokuyama Corp | プロピレン系樹脂組成物 |
| DE102008026712A1 (de) | 2007-06-06 | 2008-12-18 | Sumitomo Chemical Co., Ltd. | Polypropylenharzzusammensetzung und gereckter Film hiervon |
| WO2021025143A1 (ja) * | 2019-08-08 | 2021-02-11 | 株式会社プライムポリマー | 非発泡シートおよび容器 |
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| US7232871B2 (en) | 1997-08-12 | 2007-06-19 | Exxonmobil Chemical Patents Inc. | Propylene ethylene polymers and production process |
| US6921794B2 (en) | 1997-08-12 | 2005-07-26 | Exxonmobil Chemical Patents Inc. | Blends made from propylene ethylene polymers |
| US6635715B1 (en) | 1997-08-12 | 2003-10-21 | Sudhin Datta | Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers |
| EP1522553B1 (en) | 1998-07-01 | 2007-04-11 | ExxonMobil Chemical Patents Inc. | Elastic blends comprising crystalline polymer and crystallizable polymers of propylene |
| CN1137156C (zh) * | 1999-12-06 | 2004-02-04 | 中国石油化工集团公司 | 用于烯烃聚合的催化剂组分、烯烃聚合催化剂及其用途 |
| CN1137155C (zh) * | 1999-12-06 | 2004-02-04 | 中国石油化工集团公司 | 用于烯烃聚合或共聚合的催化剂体系 |
| EP1174261A1 (en) * | 2000-07-20 | 2002-01-23 | Borcalis GmbH | Single and multilayer polyolefin foam pipes |
| US6777497B2 (en) * | 2001-03-07 | 2004-08-17 | Sumitomo Chemical Company, Limited | Polypropylene-based resin composition, process for producing the same and injection molded article |
| EP1390417B1 (en) | 2001-04-12 | 2010-10-20 | ExxonMobil Chemical Patents Inc. | Process for polymerizing propylene and ethylene in solution |
| US6927256B2 (en) * | 2001-11-06 | 2005-08-09 | Dow Global Technologies Inc. | Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent |
| US20030176555A1 (en) * | 2002-01-08 | 2003-09-18 | Sumitomo Chemical Company, Limited | Polypropylene-based resin composition and its injection molded article |
| DE60331602D1 (de) | 2002-10-07 | 2010-04-15 | Dow Global Technologies Inc | Hochkristallines Polypropylen mit niedriger Xylollöslichkeit |
| US6803421B2 (en) * | 2002-11-12 | 2004-10-12 | Equister Chemicals, Lp | High flow filled propylene polymer compositions having improved impact and dimensional properties |
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| US7977435B2 (en) * | 2006-07-12 | 2011-07-12 | Lin Chon-Yie | Propylene polymer compositions and processes for making the same |
| EP1967547A1 (en) | 2006-08-25 | 2008-09-10 | Borealis Technology OY | Extrusion coated substrate |
| EP1900764B1 (en) | 2006-08-25 | 2009-04-01 | Borealis Technology Oy | Polypropylene foam |
| ATE462189T1 (de) | 2006-09-25 | 2010-04-15 | Borealis Tech Oy | Koaxiales kabel |
| ATE424424T1 (de) | 2006-12-28 | 2009-03-15 | Borealis Tech Oy | Verfahren zur herstellung von verzweigtem polypropylen |
| JP5457623B2 (ja) * | 2006-12-28 | 2014-04-02 | カルソニックカンセイ株式会社 | 樹脂成形品 |
| EP2070954A1 (en) * | 2007-12-14 | 2009-06-17 | Total Petrochemicals Research Feluy | Process for the production of a propylene polymer having a broad molecular weight distribution and a low ash content |
| US7960024B2 (en) * | 2009-01-27 | 2011-06-14 | Milliken & Company | Multi-layered fiber |
| CN103788259B (zh) * | 2012-10-30 | 2017-05-31 | 中国石油化工股份有限公司 | 一种分子量窄分布聚丙烯 |
| CN105283503A (zh) * | 2013-06-19 | 2016-01-27 | 博里利斯股份公司 | 具有宽分子量分布的聚丙烯 |
| KR102463662B1 (ko) | 2016-05-31 | 2022-11-04 | 에이치디씨폴리올 주식회사 | 연성 및 치수 안정성이 우수한 폴리아릴렌 설파이드 수지 조성물 |
| KR20190138313A (ko) | 2017-05-30 | 2019-12-12 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 높은 강성 및 투명성을 갖는 고용융 강도 폴리프로필렌 |
| WO2018222310A1 (en) | 2017-05-30 | 2018-12-06 | Exxonmobil Chemical Patents Inc. | High melt strength polypropylene with high stiffness and clarity |
| KR102325239B1 (ko) * | 2017-06-07 | 2021-11-10 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 높은 용융 유량 및 높은 굴곡 탄성률을 갖는, 분자량 분포가 넓은 폴리프로필렌 |
| JP2022181400A (ja) * | 2021-05-26 | 2022-12-08 | 東邦チタニウム株式会社 | オレフィン類重合用固体触媒成分、オレフィン類重合用触媒、オレフィン類重合体の製造方法、オレフィン類重合体、プロピレン系ブロック共重合体の製造方法及びプロピレン系ブロック共重合体 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59149907A (ja) * | 1983-02-15 | 1984-08-28 | Idemitsu Petrochem Co Ltd | 結晶性ポリプロピレンおよびその製造方法 |
| JPH04202507A (ja) * | 1990-11-30 | 1992-07-23 | Mitsui Petrochem Ind Ltd | ポリプロピレンの製造方法、ポリプロピレン、ポリプロピレン組成物、およびそれらの用途 |
| JPH0693034A (ja) * | 1992-05-29 | 1994-04-05 | Himont Inc | 溶融状態における加工性を改良したプロピレンの結晶性重合体およびその製造方法 |
| JPH08120157A (ja) * | 1994-10-19 | 1996-05-14 | Showa Denko Kk | プロピレン系樹脂組成物およびその成形体 |
| JPH09263606A (ja) * | 1995-11-21 | 1997-10-07 | Basf Ag | プロピレン共重合体およびその製造方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0739446B2 (ja) * | 1988-04-04 | 1995-05-01 | チッソ株式会社 | 高剛性ポリプロピレンの製造法 |
| DE4019053A1 (de) * | 1990-06-15 | 1991-12-19 | Basf Ag | Polymerisate des propylens mit breitem molmassenverhaeltnis q |
| US5218052A (en) * | 1991-02-04 | 1993-06-08 | Amoco Corporation | Olefin polymerization and copolymerization process |
| CA2128920C (en) * | 1993-07-28 | 1999-06-01 | Akihiko Yamamoto | Propylene polymer compositions |
| TW354792B (en) | 1993-08-13 | 1999-03-21 | Mitsui Petrochemical Ind | Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer |
| ES2136212T3 (es) * | 1994-01-31 | 1999-11-16 | Toho Titanium Co Ltd | Catalizador para la polimerizacion de olefinas y procedimiento de polimerizacion que utiliza este. |
| CA2160618A1 (en) | 1994-10-19 | 1996-04-20 | Yasuhiro Nohara | Propylene resin composition, molded articles thereof and propylene resin laminate |
| CA2204464A1 (en) | 1996-11-06 | 1998-11-05 | Ube Industries Limited | Process for polymerization of .alpha.-olefin |
-
1998
- 1998-05-28 DE DE69820399T patent/DE69820399T2/de not_active Expired - Lifetime
- 1998-05-28 KR KR10-1999-7000546A patent/KR100444618B1/ko not_active Expired - Fee Related
- 1998-05-28 WO PCT/JP1998/002347 patent/WO1998054233A1/ja not_active Ceased
- 1998-05-28 CN CN98801080A patent/CN1116315C/zh not_active Expired - Fee Related
- 1998-05-28 EP EP98921853A patent/EP0919572B8/en not_active Expired - Lifetime
- 1998-05-28 US US09/230,482 patent/US6320009B1/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59149907A (ja) * | 1983-02-15 | 1984-08-28 | Idemitsu Petrochem Co Ltd | 結晶性ポリプロピレンおよびその製造方法 |
| JPH04202507A (ja) * | 1990-11-30 | 1992-07-23 | Mitsui Petrochem Ind Ltd | ポリプロピレンの製造方法、ポリプロピレン、ポリプロピレン組成物、およびそれらの用途 |
| JPH0693034A (ja) * | 1992-05-29 | 1994-04-05 | Himont Inc | 溶融状態における加工性を改良したプロピレンの結晶性重合体およびその製造方法 |
| JPH08120157A (ja) * | 1994-10-19 | 1996-05-14 | Showa Denko Kk | プロピレン系樹脂組成物およびその成形体 |
| JPH09263606A (ja) * | 1995-11-21 | 1997-10-07 | Basf Ag | プロピレン共重合体およびその製造方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP0919572A4 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1026198A1 (en) * | 1999-02-05 | 2000-08-09 | Grand Polymer Co., Ltd. | Polypropylene resin composition and injection-molded article thereof |
| WO2000063261A1 (en) * | 1999-04-15 | 2000-10-26 | Basell Technology Company B.V. | Components and catalysts for the polymerization of olefins |
| JP2001164060A (ja) * | 1999-12-09 | 2001-06-19 | Tokuyama Corp | プロピレン系樹脂組成物 |
| DE102008026712A1 (de) | 2007-06-06 | 2008-12-18 | Sumitomo Chemical Co., Ltd. | Polypropylenharzzusammensetzung und gereckter Film hiervon |
| WO2021025143A1 (ja) * | 2019-08-08 | 2021-02-11 | 株式会社プライムポリマー | 非発泡シートおよび容器 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69820399D1 (de) | 2004-01-22 |
| EP0919572A1 (en) | 1999-06-02 |
| EP0919572B1 (en) | 2003-12-10 |
| CN1116315C (zh) | 2003-07-30 |
| KR100444618B1 (ko) | 2004-08-18 |
| EP0919572A4 (en) | 2000-11-29 |
| US6320009B1 (en) | 2001-11-20 |
| DE69820399T2 (de) | 2004-10-07 |
| CN1236375A (zh) | 1999-11-24 |
| KR20000029510A (ko) | 2000-05-25 |
| EP0919572B8 (en) | 2004-09-08 |
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