WO2022005257A1 - 올레핀계 중합체 - Google Patents
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- WO2022005257A1 WO2022005257A1 PCT/KR2021/008450 KR2021008450W WO2022005257A1 WO 2022005257 A1 WO2022005257 A1 WO 2022005257A1 KR 2021008450 W KR2021008450 W KR 2021008450W WO 2022005257 A1 WO2022005257 A1 WO 2022005257A1
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- 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
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
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- 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
- C08F2/00—Processes of polymerisation
- C08F2/04—Polymerisation in solution
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- 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
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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
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
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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
- C08F2420/00—Metallocene catalysts
- C08F2420/02—Cp or analog bridged to a non-Cp X anionic donor
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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
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/12—Melt flow index or melt flow ratio
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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
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65908—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
Definitions
- the present invention relates to an olefin-based polymer, and more particularly, to a low-density olefin-based polymer having high mechanical rigidity introduced by a highly crystalline region.
- Polyolefin has excellent moldability, heat resistance, mechanical properties, sanitary quality, water vapor permeability and appearance characteristics of molded products, and is widely used for extrusion molded products, blow molded products and injection molded products.
- polyolefins particularly polyethylene, have low compatibility with polar resins such as nylon and low adhesion with polar resins and metals because they do not have polar groups in the molecule.
- polar resins such as nylon and low adhesion with polar resins and metals because they do not have polar groups in the molecule.
- it has been difficult to use polyolefins by blending them with polar resins or metals or by laminating them with these materials.
- polyolefin molded articles have problems with low surface hydrophilicity and antistatic properties.
- a polar monomer is copolymerized under a metal catalyst such as a titanium catalyst or a vanadium catalyst. method was used.
- a metal catalyst such as a titanium catalyst or a vanadium catalyst.
- a method of polymerization in the presence of a metallocene catalyst composed of a transition metal compound such as zircononocene dichloride and an organoaluminum oxy compound (aluminoxane) is known.
- a metallocene catalyst composed of a transition metal compound such as zircononocene dichloride and an organoaluminum oxy compound (aluminoxane)
- a metallocene catalyst is used, a high molecular weight olefin polymer is obtained with high activity, and the resulting olefin polymer has a narrow molecular weight distribution and a narrow composition distribution.
- a metallocene compound having a ligand of an uncrosslinked cyclopentadienyl group, a crosslinked or uncrosslinked bisindenyl group, or an ethylene bridged unsubstituted indenyl group/fluorenyl group is prepared.
- a method using a metallocene catalyst is also known.
- these methods have the disadvantage of very low polymerization activity. For this reason, although a method of protecting a polar group with a protecting group has been implemented, when a protecting group is introduced, there is a problem in that the process becomes complicated because the protecting group must be removed again after the reaction.
- the ansa-metallocene compound is an organometallic compound including two ligands connected to each other by a bridge group, and rotation of the ligand is prevented by the bridge group, and the activity of the metal center and structure is determined.
- Such an ansa-metallocene compound is used as a catalyst in the preparation of an olefin-based homopolymer or copolymer.
- an ansa-metallocene compound containing a cyclopentadienyl-fluorenyl ligand can produce high molecular weight polyethylene, thereby controlling the microstructure of polypropylene.
- an ansa-metallocene compound containing an indenyl ligand has excellent activity and can prepare polyolefins with improved stereoregularity.
- An object to be solved by the present invention is to provide a low-density olefin-based polymer having high mechanical rigidity by introducing a highly crystalline region obtained by polymerizing an olefin-based monomer while introducing hydrogen gas using a transition metal compound catalyst.
- the present invention provides an olefin-based polymer satisfying the requirements of the following (1) to (5).
- MI Melt index
- Tm melting point measured by differential scanning calorimetry
- T(50) and T(90) are respectively the temperatures at which 50% and 90% of melting when fractionating the temperature-heat capacity curve in the differential scanning calorimetry (SSA) measurement result, respectively, and dH(90) is It is the melting enthalpy at 90°C or higher, and dH(100) represents the melting enthalpy at 100°C or higher.
- the olefin-based polymer according to the present invention is a low-density olefin-based polymer and exhibits high mechanical rigidity by introducing a high crystallinity region.
- FIG. 2 is a graph showing the results of measurement by differential scanning calorimetry (SSA) for the polymers of Example 5 and Comparative Example 2.
- SSA differential scanning calorimetry
- polymer means a polymer compound prepared by polymerization of monomers of the same or different types.
- the generic term “polymer” includes the terms “homopolymer”, “copolymer”, “terpolymer” as well as “interpolymer”.
- interpolymer refers to a polymer prepared by polymerization of two or more different types of monomers.
- the generic term “interpolymer” refers to the term “copolymer” (which is commonly used to refer to polymers prepared from two different monomers), as well as the term “copolymer” (which is commonly used to refer to polymers prepared from three different types of monomers). used) the term “terpolymer”. This includes polymers prepared by polymerization of four or more types of monomers.
- the olefin-based polymer according to the present invention satisfies the requirements of the following (1) to (5).
- the T(50) and T(90) are respectively the temperatures at which 50% and 90% melt when the temperature-heat capacity curve is fractionated from the differential scanning calorimetry precision measurement (SSA) measurement result, respectively, and dH(90) is It is the melting enthalpy at 90°C or higher, and dH(100) represents the melting enthalpy at 100°C or higher.
- the olefin-based polymer according to the present invention has a low density, but a high crystallinity region is introduced compared to a conventional olefin-based polymer, and has the same level of density and melt index (Melt Index, MI, 190°C, 2.16 kg load condition). , shows higher tensile strength, flexural modulus and hardness.
- the olefin-based polymer according to the present invention is prepared by a manufacturing method comprising the step of polymerizing an olefinic monomer by introducing hydrogen gas in the presence of a catalyst composition for olefin polymerization, and has high crystallinity according to hydrogen gas input during polymerization. The region is introduced to show excellent mechanical rigidity.
- the melt index (MI) can be adjusted by controlling the amount of the catalyst used in the process of polymerizing the olefin-based polymer for the comonomer, and affects the mechanical properties and impact strength, and moldability of the olefin-based polymer.
- the melt index is measured at 190 ° C., 2.16 kg load condition according to ASTM D1238 under low density conditions of 0.875 g / cc to 0.895 g / cc, 0.1 g / 10 minutes to 10 g / 10 minutes and specifically 0.3 g/10 min to 9 g/10 min, more specifically 0.4 g/10 min to 7 g/10 min.
- the density may be 0.875 g/cc to 0.895 g/cc, specifically 0.876 g/cc to 0.892 g/cc, and more specifically 0.878 g/cc to 0.891 g/cc.
- the density of the olefin-based polymer is affected by the type and content of the monomer used during polymerization, the degree of polymerization, and the like.
- the olefin-based polymer of the present invention is polymerized using a catalyst composition containing a transition metal compound having a characteristic structure, and a large amount of comonomer can be introduced. can have
- the olefin-based polymer is (3) 0.5 J/g ⁇ dH(100) ⁇ 3.0 J/g when measured by differential scanning calorimetry (SSA), and 1.0 J/g ⁇ dH(90) ⁇ 6.0 J/g It satisfies the requirement, specifically 0.9 J/g ⁇ dH(100) ⁇ 2.0 J/g, and 1.5 J/g ⁇ dH(90) ⁇ 5.0 J/g, more specifically 0.95 J /g ⁇ dH(100) ⁇ 1.9 J/g and 1.6 J/g ⁇ dH(90) ⁇ 4.5 J/g can be satisfied.
- SSA differential scanning calorimetry
- the olefin-based polymer satisfies the requirements of (4) 15 ⁇ T(90)-T(50) ⁇ 30, and 50°C ⁇ T(50) ⁇ 75°C when measured by differential scanning calorimetry (SSA), , specifically, 16 ⁇ T(90)-T(50) ⁇ 25, and 52°C ⁇ T(50) ⁇ 74°C, more specifically 17 ⁇ T(90)-T(50) ⁇ 25, and 54°C ⁇ T(50) ⁇ 73°C may be satisfied.
- SSA differential scanning calorimetry
- the olefin-based polymer satisfies (5) the requirement that the melting point (Tm) measured by differential scanning calorimetry (DSC) is 55°C ⁇ Tm ⁇ 80°C, specifically, 60°C ⁇ Tm ⁇ 80°C. and, more specifically, the requirement of 65°C ⁇ Tm ⁇ 75°C may be satisfied.
- Tm melting point measured by differential scanning calorimetry
- the olefin-based polymer may additionally satisfy the requirement that (6) the glass transition temperature (Tg) measured by differential scanning calorimetry (DSC) is -70°C ⁇ Tg ⁇ -43°C, and specifically, the glass transition temperature ( Tg) may be -60°C ⁇ Tg ⁇ -43°C, more specifically, -51°C ⁇ Tg ⁇ -43°C.
- Tg glass transition temperature measured by differential scanning calorimetry
- the melting temperature (Tm) measurement using a differential scanning calorimeter (DSC) is heated at a constant rate to a temperature approximately 30°C higher than the melting temperature (Tm), and then is approximately 30°C lower than the glass transition temperature (Tg).
- Tm melting temperature
- Tg glass transition temperature
- the differential scanning calorimeter precision measurement (SSA) measurement is performed using a differential scanning calorimeter (DSC) after the first cycle to a temperature just before the peak of the melting temperature (Tm) and then cooled to a temperature lowered by about 5°C. This is a method to obtain more precise crystal information by repeatedly performing heating and cooling processes (Eur. Polym. J. 2015, 65, 132).
- the olefin-based polymer according to an example of the present invention may further satisfy the requirement of (7) a weight average molecular weight (Mw) of 10,000 g/mol to 500,000 g/mol, and specifically, the weight average molecular weight (Mw) is 30,000 g/mol to 300,000 g/mol, more specifically 50,000 g/mol to 200,000 g/mol.
- the weight average molecular weight (Mw) is a polystyrene equivalent molecular weight analyzed by gel permeation chromatography (GPC).
- the olefin-based polymer according to an example of the present invention additionally has a ratio (Mw/Mn) of a weight average molecular weight (Mw) to a number average molecular weight (Mn) (8) Molecular Weight Distribution (MWD) of 0.1 to 6.0
- Mw/Mn weight average molecular weight
- Mn number average molecular weight
- Mw/Mn weight average molecular weight
- Mn number average molecular weight
- the olefin-based polymer according to an example of the present invention additionally satisfies the requirement that the ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) is (9) melt flow rate ratio (MFRR) of 5 to 10. may be satisfied, and the melt flow rate ratio may be specifically 6 to 9, and more specifically 6 to 8.
- the melt flow rate ratio means the ratio obtained by dividing MI 10 (melt index under a load of 10 kg and 190 ° C.) by MI 2.16 (melt index under a load of 2.16 kg and 190 ° C.) of the long side chain (LCB) of the polymer As the number decreases, the MFRR may exhibit a low value, and mechanical properties of the polymer may be improved.
- the olefin-based polymer is an olefin-based monomer, specifically, an alpha-olefin-based monomer, a cyclic olefin-based monomer, a diene olefin-based monomer, a triene olefin-based monomer, and a styrenic monomer, or any one homopolymer selected from It may be a copolymer of more than one species. More specifically, the olefin-based polymer may be a copolymer of ethylene and an alpha-olefin having 3 to 12 carbon atoms or a copolymer of an alpha-olefin having 3 to 10 carbon atoms.
- the alpha-olefin comonomer is propylene, 1-butene, 1-pentene, 4-methyl-1-pentene, 1-hexene, 1-heptene, 1-octene, 1-decene, 1-undecene, 1-dodecene , 1-tetradecene, 1-hexadecene, 1-aitocene, norbornene, norbornadiene, ethylidene noboden, phenyl noboden, vinyl noboden, dicyclopentadiene, 1,4-butadiene, 1,5 -It may include any one or a mixture of two or more selected from the group consisting of -pentadiene, 1,6-hexadiene, styrene, alpha-methylstyrene, divinylbenzene, and 3-chloromethylstyrene.
- the olefin copolymer according to an example of the present invention may be a copolymer of ethylene and propylene, ethylene and 1-butene, ethylene and 1-hexene, ethylene and 4-methyl-1-pentene, or ethylene and 1-octene.
- the olefin copolymer according to an example of the present invention may be a copolymer of ethylene and 1-butene.
- the amount of the alpha-olefin is 90 wt% or less, more specifically 70 wt% or less, even more specifically 5 wt% to 60 wt% based on the total weight of the copolymer. It may be % by weight, and more specifically, may be 10% by weight to 50% by weight.
- the alpha-olefin is included in the above range, the above-described physical properties may be appropriately implemented.
- the olefin-based polymer according to an embodiment of the present invention having the above physical properties and structural characteristics, hydrogen gas is introduced in the presence of a metallocene catalyst composition including one or more transition metal compounds in a single reactor, and the olefin-based polymer It can be prepared through a continuous solution polymerization reaction that polymerizes the monomers. Accordingly, in the olefin-based polymer according to an embodiment of the present invention, a block is not formed in which two or more repeating units derived from any one of the monomers constituting the polymer in the polymer are linearly connected.
- the olefin-based polymer according to the present invention does not contain a block copolymer, and is selected from the group consisting of a random copolymer, an alternating copolymer, and a graft copolymer. may be, and more specifically, may be a random copolymer.
- the olefin-based copolymer of the present invention is a manufacturing method comprising the step of polymerizing an olefinic monomer by introducing hydrogen gas in the presence of a catalyst composition for olefin polymerization comprising a transition metal compound of Formula 1, such as the following Hydrogen is added in the presence of a catalyst composition for olefin polymerization containing the transition metal compound of Formula 1, and it can be prepared by a continuous solution polymerization reaction using a continuous stirred tank reactor.
- the scope of the structure of the transition metal compound of Chemical Formula 1 is not limited to a specific disclosed form, and all changes included in the spirit and technical scope of the present invention; It should be understood to include equivalents and substitutes.
- R 1 is the same as or different from each other, and each independently represents a Group 4 metal substituted with hydrogen, alkyl having 1 to 20 carbon atoms, alkenyl having 2 to 20 carbon atoms, aryl, silyl, alkylaryl, arylalkyl, or hydrocarbyl.
- a metalloid radical wherein the two R 1 may be connected to each other by an alkylidine radical including an alkyl having 1 to 20 carbon atoms or an aryl radical having 6 to 20 carbon atoms to form a ring;
- R 2 are the same as or different from each other, and each independently hydrogen; halogen; alkyl having 1 to 20 carbon atoms; aryl; alkoxy; aryloxy; an amido radical, wherein two or more of R 2 may be connected to each other to form an aliphatic ring or an aromatic ring;
- R 3 are the same as or different from each other, and each independently hydrogen; halogen; alkyl having 1 to 20 carbon atoms; or an aliphatic or aromatic ring containing nitrogen, substituted or unsubstituted with an aryl radical, and in the case of a plurality of the substituents, two or more substituents among the substituents may be connected to each other to form an aliphatic or aromatic ring;
- M is a Group 4 transition metal
- Q 1 and Q 2 are each independently halogen; alkyl having 1 to 20 carbon atoms; alkenyl; aryl; alkylaryl; arylalkyl; alkyl amido having 1 to 20 carbon atoms; or aryl amido.
- R 1 And R 2 are the same as or different from each other, and each independently hydrogen; alkyl having 1 to 20 carbon atoms; aryl; or silyl,
- R 3 are the same as or different from each other, and alkyl having 1 to 20 carbon atoms; alkenyl having 2 to 20 carbon atoms; aryl; alkylaryl; arylalkyl; alkoxy having 1 to 20 carbon atoms; aryloxy; or amido; Wherein R 6 in at least two R 6 are connected to each other can form a aliphatic or aromatic ring;
- the Q 1 and Q 2 are the same as or different from each other, and each independently halogen; alkyl having 1 to 20 carbon atoms; alkylamido having 1 to 20 carbon atoms; may be arylamido,
- M may be a Group 4 transition metal.
- the transition metal compound represented by Formula 1 has a metal site connected by a cyclopentadienyl ligand into which tetrahydroquinoline is introduced, and thus the Cp-MN angle is structurally narrow, Q 1 -MQ 2 (Q 3 ) -MQ 4 ) The angle is kept wide.
- Cp, tetrahydroquinoline, nitrogen and metal sites are sequentially linked by a ring bond to form a more stable and rigid pentagonal ring structure.
- the amount of hydrogen gas added may be 0.00005 to 0.001 parts by weight, specifically 0.00008 to 0.0008 parts by weight, and more specifically 0.0001 to 0.0005 parts by weight based on 1 part by weight of the olefinic monomer added to the reaction system. can be negative
- the hydrogen gas when the olefin-based polymer is polymerized by continuous solution polymerization, the hydrogen gas is 16 to 35 cc/min, specifically 18 to 1 kg/h of the olefinic monomer introduced into the reaction system. to 31 cc/min, more specifically, may be added in an amount of 18 to 29 cc/min.
- the hydrogen gas when the olefin-based polymer is a copolymer of ethylene and alpha-olefin, the hydrogen gas is 0.00007 to 0.0008 parts by weight, specifically 0.0008 to 0.0007 parts by weight, based on 1 part by weight of ethylene, More specifically, it may be added in an amount of 0.0001 to 0.0004 parts by weight.
- the hydrogen gas when the olefin-based polymer is a copolymer of ethylene and alpha-olefin, and polymerized by continuous solution polymerization, the hydrogen gas is 22 to 1 kg/h of ethylene introduced into the reaction system. 46 cc/min, specifically 25 to 44 cc/min, more specifically 25 to 40 cc/min.
- the amount of hydrogen gas input in the step of polymerizing the olefinic monomer may be 20 to 40 sccm, specifically 22 to 38 sccm, more specifically 22 to 35 sccm.
- the input amount of the hydrogen gas is an amount based on when ethylene is introduced into the reaction system in an amount of 0.87 kg/h.
- hydrocarbyl group' is, unless otherwise stated, the number of carbon atoms consisting only of carbon and hydrogen, regardless of its structure, such as alkyl, aryl, alkenyl, alkynyl, cycloalkyl, alkylaryl or arylalkyl. It means a monovalent hydrocarbon group of 1 to 20.
- 'halogen means fluorine, chlorine, bromine or iodine, unless otherwise specified.
- alkyl refers to a straight-chain or branched hydrocarbon residue.
- 'cycloalkyl' refers to cyclic alkyl including cyclopropyl and the like, unless otherwise specified.
- alkenyl refers to a straight-chain or branched alkenyl group, unless otherwise specified.
- the branched chain is alkyl having 1 to 20 carbon atoms; alkenyl having 2 to 20 carbon atoms; aryl having 6 to 20 carbon atoms; alkylaryl having 7 to 20 carbon atoms; Or it may be an arylalkyl having 7 to 20 carbon atoms.
- 'aryl' refers to an aromatic group having 6 to 20 carbon atoms, unless otherwise specified, specifically phenyl, naphthyl, anthryl, phenanthryl, chrysenyl, pyrenyl, anthracenyl, pyridyl, dimethyl anilinyl, anisolyl, and the like, but is not limited thereto.
- the alkylaryl group means an aryl group substituted by the alkyl group.
- the arylalkyl group means an alkyl group substituted by the aryl group.
- the ring refers to a monovalent aliphatic or aromatic hydrocarbon group having 5 to 20 ring atoms and containing one or more hetero atoms, and may be a single ring or a condensed ring of two or more rings.
- the heterocyclic group may be unsubstituted or substituted with an alkyl group. Examples thereof include indoline and tetrahydroquinoline, but the present invention is not limited thereto.
- the alkyl amino group refers to an amino group substituted by the alkyl group, and includes, but is not limited to, a dimethylamino group, a diethylamino group, and the like.
- the aryl group preferably has 6 to 20 carbon atoms, specifically phenyl, naphthyl, anthracenyl, pyridyl, dimethylanilinyl, anisolyl, etc., but limited to these examples no.
- silyl may be silyl unsubstituted or substituted with alkyl having 1 to 20 carbon atoms, for example, silyl, trimethylsilyl, triethylsilyl, tripropylsilyl, tributylsilyl, trihexylsilyl, triisopropylsilyl , triisobutylsilyl, triethoxysilyl, triphenylsilyl, tris(trimethylsilyl)silyl, and the like, but are not limited thereto.
- the compound of Formula 1 may be of Formula 1-1, but is not limited thereto.
- transition metal compound of Formula 1 can introduce a large amount of alpha-olefin as well as low-density polyethylene due to the structural characteristics of the catalyst, it is possible to prepare a low-density polyolefin copolymer of 0.850 g/cc to 0.890 g/cc. .
- the transition metal compound of Formula 1 may be prepared by the following method as an example.
- R 1 to R 3 , M, Q 1 and Q 2 are as defined in Formula 1 above.
- Formula 1 may be prepared according to the method described in Korean Patent Publication No. 2007-0003071, and the entire contents of the patent document are included in the present specification.
- the transition metal compound of Formula 1 may be used as a catalyst for a polymerization reaction in the form of a composition further comprising at least one of the cocatalyst compounds represented by Formula 2, Formula 3, and Formula 4 in addition to the above.
- R 4 may be the same or different from each other, and are each independently selected from the group consisting of halogen, hydrocarbyl having 1 to 20 carbon atoms, and hydrocarbyl having 1 to 20 carbon atoms substituted with halogen,
- A is aluminum or boron
- D is each independently aryl having 6 to 20 carbon atoms or alkyl having 1 to 20 carbon atoms in which one or more hydrogen atoms may be substituted with a substituent, wherein the substituents are halogen, hydrocarbyl having 1 to 20 carbon atoms, alkoxy having 1 to 20 carbon atoms and at least one selected from the group consisting of aryloxy having 6 to 20 carbon atoms,
- H is a hydrogen atom
- L is a neutral or cationic Lewis base
- W is a group 13 element
- a is an integer greater than or equal to 2;
- Examples of the compound represented by Formula 2 include alkylaluminoxanes such as methylaluminoxane (MAO), ethylaluminoxane, isobutylaluminoxane, and butylaluminoxane, and two or more of the alkylaluminoxanes are mixed and modified alkylaluminoxane, and specifically may be methylaluminoxane and modified methylaluminoxane (MMAO).
- alkylaluminoxanes such as methylaluminoxane (MAO), ethylaluminoxane, isobutylaluminoxane, and butylaluminoxane
- alkylaluminoxanes such as methylaluminoxane (MAO), ethylaluminoxane, isobutylaluminoxane, and butylaluminoxane
- two or more of the alkylaluminoxanes are mixed and modified alkylaluminoxane,
- Examples of the compound represented by Formula 3 include trimethylaluminum, triethylaluminum, triisobutylaluminum, tripropylaluminum, tributylaluminum, dimethylchloroaluminum, triisopropylaluminum, tri-s-butylaluminum, tricyclopentylaluminum , tripentyl aluminum, triisopentyl aluminum, trihexyl aluminum, trioctyl aluminum, ethyl dimethyl aluminum, methyldiethyl aluminum, triphenyl aluminum, tri-p-tolyl aluminum, dimethyl aluminum methoxide, dimethyl aluminum ethoxide, trimethyl boron, triethyl boron, triisobutyl boron, tripropyl boron, tributyl boron, etc. are included, and specifically, it may be selected from trimethyl aluminum, triethyl aluminum, and triisobutyl aluminum.
- Examples of the compound represented by Formula 4 include triethylammoniumtetraphenylboron, tributylammoniumtetraphenylboron, trimethylammoniumtetraphenylboron, tripropylammoniumtetraphenylboron, trimethylammoniumtetra(p-tolyl)boron, and trimethylammoniumtetra (o,p-dimethylphenyl)boron, tributylammoniumtetra(p-trifluoromethylphenyl)boron, trimethylammoniumtetra(p-trifluoromethylphenyl)boron, tributylammoniumtetrapentafluorophenylboron, N,N -Diethylaniliniumtetraphenylboron, N,N-diethylaniliniumtetrapentafluorophenylboron, diethylammoniumtetrapentafluorophenylboron, trip
- the catalyst composition as a first method, 1) contacting the transition metal compound represented by Formula 1 with the compound represented by Formula 2 or Formula 3 to obtain a mixture; and 2) adding the compound represented by Formula 4 to the mixture.
- the catalyst composition may be prepared by contacting the transition metal compound represented by Formula 1 with the compound represented by Formula 4 as a second method.
- the molar ratio of the transition metal compound represented by Formula 1 and the transition metal compound represented by Formula 2 to the compound represented by Formula 2 or Formula 3 is 1/ It may be 5,000 to 1/2, specifically 1/1,000 to 1/10, and more specifically 1/500 to 1/20.
- the molar ratio of the transition metal compound represented by Formula 1 to the compound represented by Formula 2 or Formula 3 exceeds 1/2, the amount of the alkylating agent is very small, and there is a problem that the alkylation of the metal compound cannot proceed completely, , when the molar ratio is less than 1/5,000, the metal compound is alkylated, but due to a side reaction between the remaining excess alkylating agent and the activator, which is the compound of Formula 4, there is a problem in that the activation of the alkylated metal compound is not completely achieved.
- the molar ratio of the transition metal compound represented by Formula 1 to the compound represented by Formula 4 may be 1/25 to 1, specifically 1/10 to 1, and more specifically 1/5 to can be 1.
- the molar ratio of the transition metal compound represented by Formula 1 to the compound represented by Formula 4 exceeds 1, the amount of the activator is relatively small, so the activation of the metal compound is not completely achieved, and thus the activity of the catalyst composition may fall, and if the molar ratio is less than 1/25, the metal compound is fully activated, but the unit price of the catalyst composition may not be economical or the purity of the resulting polymer may be deteriorated with an excess of the remaining activator.
- the molar ratio of the transition metal compound represented by Formula 1 to the compound represented by Formula 4 may be 1/10,000 to 1/10, specifically 1/5,000 It may be from 1/100 to 1/100, and more specifically, from 1/3,000 to 1/500.
- the amount of the activator is relatively small, so the activation of the metal compound may not be completely achieved, and thus the activity of the resulting catalyst composition may be reduced. If it is less than 1/10,000, the activation of the metal compound is completely achieved, but the unit cost of the catalyst composition may not be economical or the purity of the resulting polymer may be deteriorated with the remaining excess activator.
- a hydrocarbon solvent such as pentane, hexane, heptane, or the like, or an aromatic solvent such as benzene or toluene may be used as the reaction solvent.
- the catalyst composition may include the transition metal compound and the cocatalyst compound in a supported form on a carrier.
- the carrier may be used without any particular limitation as long as it is used as a carrier in a metallocene-based catalyst.
- the carrier may be silica, silica-alumina or silica-magnesia, and any one or a mixture of two or more thereof may be used.
- the carrier is silica
- the functional group of the silica carrier and the metallocene compound of Formula 1 chemically forms a bond
- the olefin-based polymer prepared in the presence of the catalyst including the silica carrier has excellent particle shape and apparent density of the polymer.
- the carrier may be high-temperature dried silica or silica-alumina containing a siloxane group having high reactivity on the surface through a method such as high-temperature drying.
- the carrier may further include an oxide, carbonate, sulfate or nitrate component such as Na 2 O, K 2 CO 3 , BaSO 4 or Mg(NO 3 ) 2 .
- the polymerization reaction for polymerizing the olefinic monomer may be accomplished by a conventional process applied to polymerization of the olefinic monomer, such as continuous solution polymerization, bulk polymerization, suspension polymerization, slurry polymerization, or emulsion polymerization.
- the polymerization reaction of the olefin monomer may be performed under an inert solvent, and examples of the inert solvent include benzene, toluene, xylene, cumene, heptane, cyclohexane, methylcyclohexane, methylcyclopentane, n-hexane, 1-hexene, 1-octene, but not limited thereto.
- the inert solvent include benzene, toluene, xylene, cumene, heptane, cyclohexane, methylcyclohexane, methylcyclopentane, n-hexane, 1-hexene, 1-octene, but not limited thereto.
- the polymerization of the olefin-based polymer may be made at a temperature of about 25 °C to about 500 °C, specifically 80 °C to 250 °C, more preferably at a temperature of 100 °C to 200 °C.
- the reaction pressure during polymerization is 1 kgf/cm 2 to 150 kgf/cm 2 , preferably 1 kgf/cm 2 to 120 kgf/cm 2 , more preferably 5 kgf/cm 2 to 100 kgf/cm 2 can be
- the olefin-based polymer of the present invention has improved physical properties, it is for blow molding and extrusion in various fields and uses such as materials for automobiles, electric wires, toys, textiles, medical materials, etc. It is useful for molding or injection molding, and in particular, it can be usefully used for automobiles requiring excellent impact strength.
- the olefin-based polymer of the present invention may be usefully used for manufacturing a molded article.
- the molded article may be a blow molding molded article, an inflation molded article, a cast molded article, an extrusion laminate molded article, an extrusion molded article, an expanded molded article, an injection molded article, a sheet, a film, a fiber, a monofilament, or a nonwoven fabric.
- 2-methylindoline (13.08 g, 98.24 mmol) and diethyl ether (150 mL) were placed in a shlenk flask.
- the Schlenk flask was immersed in a -78°C low-temperature bath made of dry ice and acetone and stirred for 30 minutes.
- n-BuLi 39.3 mL, 2.5 M, 98.24 mmol
- was injected into a syringe under a nitrogen atmosphere and a pale yellow slurry was formed.
- the temperature of the flask was raised to room temperature while removing the butane gas produced.
- the flask was again immersed in a low-temperature bath at -78° C. to lower the temperature, and then CO 2 gas was introduced. As the carbon dioxide gas was added, the slurry disappeared and became a transparent solution.
- the flask was connected to a bubbler and the temperature was raised to room temperature while removing carbon dioxide gas. After that, excess CO 2 gas and solvent were removed under vacuum.
- pentane was added, stirred vigorously, and filtered to obtain lithium carbamate, a white solid compound.
- the white solid compound is coordinated with diethyl ether. In this case, the yield is 100%.
- the lithium carbamate compound (8.47 g, 42.60 mmol) prepared in step (i) was placed in a Schlenk flask. Then, tetrahydrofuran (4.6 g, 63.9 mmol) and 45 mL of diethyl ether were sequentially added. The Schlenk flask was immersed in a low temperature bath at -20°C made of acetone and a small amount of dry ice and stirred for 30 minutes, and then t-BuLi (25.1 mL, 1.7 M, 42.60 mmol) was added. At this time, the color of the reaction mixture changed to red. Stirring was continued for 6 hours while maintaining -20°C.
- the copolymerization reaction was carried out in the same manner as in Example 1, and the amount of transition metal compound, the amount of catalyst and co-catalyst, and the reaction temperature, hydrogen input, and amount of comonomer were respectively changed as shown in Table 1 below to proceed with the copolymerization reaction. synthesis was obtained.
- Example 1 0.40 1.20 0.03 0.87 7 0.35 25 143.5
- Example 2 0.20 0.60 0.03 0.87 7 0.35 31 139.0
- Example 3 0.36 1.08 0.03 0.87 7 0.23 28 138.6
- Example 4 0.30 0.90 0.03 0.87 7 0.23 28 138.6
- Example 5 0.29 0.87 0.03 0.87 7 0.29 33 140.2
- Example 6 0.32 0.96 0.03 0.87 7 0.23 28 139.9
- copolymers of Examples 1 to 6 and Comparative Examples 1 and 2 were evaluated for physical properties according to the following method, and are shown in Table 2 below.
- MI10 and MI2.16 according to ASTM D-1238 [Condition E, MI10 (190°C, 10kg load), MI2.16(190°C, 2.16kg load)], and then divide MI10 by MI2.16 to melt flow rate The ratio (MFRR) was calculated.
- the number average molecular weight (Mn) and the weight average molecular weight (Mw) were respectively measured using gel permeation chromatography (GPC), and the molecular weight distribution was calculated by dividing the weight average molecular weight by the number average molecular weight.
- DSC Differential Scanning Calorimeter 250
- the temperature was increased to 150°C in the first cycle, held at that temperature for 1 minute, and then cooled to -100°C.
- the temperature was increased to 120 °C, held at that temperature for 30 minutes and then cooled to -100 °C.
- the temperature was increased to 110 °C, held at that temperature for 30 minutes and then cooled to -100 °C. In this way, the process of raising the temperature at 10°C intervals and cooling to -100°C was repeated until -60°C so that crystallization was performed for each temperature section. At this time, the rate of rise and fall of the temperature was controlled at 10 °C/min, respectively.
- the temperature-heat capacity curve obtained in this way was integrated for each section to fractionate the heat capacity of each section compared to the total heat capacity.
- T(50) the temperature at which 50% of the total heat capacity is melted
- T(90) the temperature at which 90% of the total heat capacity is melted
- the sum of the enthalpy of melting ( ⁇ H) at 90°C or higher was defined as dH(90), and the sum of the melting enthalpy ( ⁇ H) at 100°C or higher was added to define the sum as dH(100). .
- Fig. 1 shows a graph of T (50) versus the density of the polymers of Examples 1 to 6 and the polymers of Comparative Examples 1 and 2, and in Fig. 2, differential scanning calorimetry precision for the polymers of Examples 5 and 2 A graph is shown as a result of measurement by the measuring method (SSA).
- SSA measuring method
- Example 5 The olefinic copolymers of Example 5 and Comparative Example 2 were each extruded to prepare pellets, and then tensile strength and elongation at break were measured according to ASTM D638 (50 mm/min).
- Hardness was measured according to ASTM D2240 standard using TECLOCK's GC610 STAND for Durometer and Mitutoyo's Shore Durometer Type A.
- Example 1 0.8788 1.95 7.1 -500.8 94021 2.17 61.7 55.2 80.1 24.9 0.96 1.62
- Example 2 0.8880 3.21 6.48 -44.8 86057 2.10 71.1 68.1 90.1 22.0 1.82 4.25
- Example 3 0.8830 1.61 7.01 -47.3 98857 2.16 67.4 61.5 84.8 23.3 1.28 2.29
- Example 4 0.8860 1.69 6.62 -44.9 100370 1.96 70.4 66.2 88.4 22.2 1.35 2.64
- Example 5 0.8850 1.16 6.53 -43.1 108628 2.03 70.6 66.9 84.4 17.5 0.98 1.63
- Example 6 0.8900 0.72 7.46 -43.1 117140 1.98 74.4 71.6 90.2 18.6 1.
- Example 2 0.888 3.21 18.1 34.26 >700 92.9 Comparative Example 1 0.884 3.44 15.0 27.91 >700 85.3 Example 5 0.885 1.16 26.8 36.98 >700 88.2 Comparative Example 2 0.884 1.18 25.1 30.37 >700 85.8
- Examples 2 and 5 When comparing Examples and Comparative Examples having the same level of density and MI in Table 2, Examples 2 and 5 exhibited smaller T(90)-T(50) values compared to Comparative Examples 1 and 2.
- the olefinic polymers of Examples 2 and 5 satisfy the requirements of 0.5 J/g ⁇ dH(100) ⁇ 3.0 J/g and 1.0 J/g ⁇ dH(90) ⁇ 6.0 J/g, but in Comparative Example In the olefin-based polymer of 2, both dH(100) and dH(90) showed a value of 0, which was not satisfied.
- Table 3 the mechanical strength of Example 5 and Comparative Example 2 having an equivalent level of density and MI can be compared.
- Example 2 and 5 it can be seen that the polymer crystal region melted at a high temperature was introduced to increase the mechanical rigidity, so that the tensile strength, flexural modulus, and hardness were increased compared to Comparative Example 2.
- FIG. 1 shows a graph of T (50) for the density of the olefin-based polymer of Examples 1 to 6 and the olefin-based polymer of Comparative Examples 1 and 2, and FIG. 2 shows the graphs of Examples 5 and 2 A graph is shown of the results measured by differential scanning calorimetry precision (SSA) for the polymer.
- SSA differential scanning calorimetry precision
- T(50) increases as the density increases, and it can be confirmed that the density and T(50) exhibit a linear correlation.
- the olefin-based polymers of Comparative Examples 1 and 2 there was no particular correlation between density and T(50).
- FIG. 2 it can be confirmed that the olefin-based polymer of Example 5 is eluted at a higher overall temperature than the olefin-based polymer of Comparative Example 5. Through this, it can be confirmed that the olefin-based polymer of Example 5 has a high crystallinity region introduced, and the polymer of Example 5 can exhibit high tensile strength and hardness due to the introduction of the high crystallinity region.
- the olefinic polymers of Examples 1 to 6 are polymers obtained by polymerizing an olefinic monomer by introducing hydrogen gas, and 0.5 J/g ⁇ dH(100) ⁇ 3.0 J when measured by differential scanning calorimetry (SSA). /g, and satisfies 1.0 J/g ⁇ dH(90) ⁇ 6.0 J/g, and exhibits high mechanical rigidity.
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Abstract
Description
| 촉매 사용량 (μmol /min) |
조촉매 (μmol /min) |
TiBAl (mmol /min) |
에틸렌 (kg/h) |
헥산 (Kg/h) |
1-부텐 (kg/h) |
수소 (cc/min) |
반응 온도 (℃) |
|
| 실시예 1 | 0.40 | 1.20 | 0.03 | 0.87 | 7 | 0.35 | 25 | 143.5 |
| 실시예 2 | 0.20 | 0.60 | 0.03 | 0.87 | 7 | 0.35 | 31 | 139.0 |
| 실시예 3 | 0.36 | 1.08 | 0.03 | 0.87 | 7 | 0.23 | 28 | 138.6 |
| 실시예 4 | 0.30 | 0.90 | 0.03 | 0.87 | 7 | 0.23 | 28 | 138.6 |
| 실시예 5 | 0.29 | 0.87 | 0.03 | 0.87 | 7 | 0.29 | 33 | 140.2 |
| 실시예 6 | 0.32 | 0.96 | 0.03 | 0.87 | 7 | 0.23 | 28 | 139.9 |
| 밀도 (g/mL) |
MI (g/ 10min) |
MFRR | Tg | Mw (g/mol) |
MWD | SSA | ||||||
| (℃) | Tm (℃) |
T(50) | T(90) | T(90)-T(50) | dH(100) (J/g) |
dH(90) (J/g) |
||||||
| 실시예 1 | 0.8788 | 1.95 | 7.1 | -500.8 | 94021 | 2.17 | 61.7 | 55.2 | 80.1 | 24.9 | 0.96 | 1.62 |
| 실시예 2 | 0.8880 | 3.21 | 6.48 | -44.8 | 86057 | 2.10 | 71.1 | 68.1 | 90.1 | 22.0 | 1.82 | 4.25 |
| 실시예 3 | 0.8830 | 1.61 | 7.01 | -47.3 | 98857 | 2.16 | 67.4 | 61.5 | 84.8 | 23.3 | 1.28 | 2.29 |
| 실시예 4 | 0.8860 | 1.69 | 6.62 | -44.9 | 100370 | 1.96 | 70.4 | 66.2 | 88.4 | 22.2 | 1.35 | 2.64 |
| 실시예 5 | 0.8850 | 1.16 | 6.53 | -43.1 | 108628 | 2.03 | 70.6 | 66.9 | 84.4 | 17.5 | 0.98 | 1.63 |
| 실시예6 | 0.8900 | 0.72 | 7.46 | -43.1 | 117140 | 1.98 | 74.4 | 71.6 | 90.2 | 18.6 | 1.26 | 2.39 |
| 비교예 1 | 0.8840 | 3.44 | 6.31 | -42.9 | 83425 | 1.93 | 70.9 | 56.0 | 76.7 | 20.7 | 0 | 0 |
| 비교예 2 | 0.8840 | 1.18 | 6.51 | -43.3 | 114216 | 1.90 | 69.3 | 58.1 | 77.8 | 19.7 | 0 | 0 |
| 밀도 (g/mL) |
MI (g/10min) |
인장강도 (Mpa) |
굴곡탄성율 (Mpa) |
신율 (%) |
경도 (Shore A) |
|
| 실시예 2 | 0.888 | 3.21 | 18.1 | 34.26 | >700 | 92.9 |
| 비교예 1 | 0.884 | 3.44 | 15.0 | 27.91 | >700 | 85.3 |
| 실시예 5 | 0.885 | 1.16 | 26.8 | 36.98 | >700 | 88.2 |
| 비교예 2 | 0.884 | 1.18 | 25.1 | 30.37 | >700 | 85.8 |
Claims (15)
- 하기 (1) 내지 (5)의 요건을 만족하는 올레핀계 중합체:(1) 용융지수(MI, 190 ℃, 2.16 kg 하중 조건): 0.1 내지 10.0g/10분;(2) 밀도(d): 0.875 내지 0.895 g/cc;(3) 시차 주사 열량계 정밀 측정법(SSA) 측정시 0.5 J/g≤dH(100)≤3.0 J/g이고, 1.0 J/g≤dH(90)≤ 6.0 J/g;(4) 시차 주사 열량계 정밀 측정법(SSA) 측정시 15≤T(90)-T(50)≤30이고, 50℃≤T(50)≤75℃;(5) 시차 주사 열량계(DSC)로 측정한 용융점(Tm)이 55℃≤Tm≤80℃;여기서 T(50) 및 T(90)은 각각 상기 시차 주사 열량계 정밀 측정법(SSA) 측정 결과에서 온도-열용량 곡선을 각 구간별로 적분하여 전체 열용량 대비 각 구간의 열용량을 분획화하였을 때, 전체 열용량 대비 각각 50% 및 90%가 용융되는 온도이고, dH(90)은 90℃ 이상에서의 용융 엔탈피의 총합이며, dH(100)은 100℃ 이상에서의 용융 엔탈피의 총합을 나타낸다.
- 제 1 항에 있어서,상기 올레핀계 중합체는 추가로 (6) 시차 주사 열량계(DSC)로 측정한 유리전이온도(Tg)가 -70℃≤T(50)≤-43℃인 요건을 만족하는 올레핀계 중합체.
- 제 1 항에 있어서,상기 올레핀계 중합체는 추가로 (7) 중량평균분자량(Mw)이 10,000 g/mol 내지 500,000 g/mol인 요건을 만족하는 올레핀계 중합체.
- 제 1 항에 있어서,상기 올레핀계 중합체는 추가로 (8) 분자량 분포(MWD, molecular weight distribution)가 0.1 내지 6.0인 요건을 만족하는 올레핀계 중합체.
- 제 1 항에 있어서,상기 올레핀계 중합체는 추가로 (9) 용융유동률비(MFRR)가 5 내지 10인 요건을 만족하는 올레핀계 중합체.
- 제 1 항에 있어서,상기 올레핀계 중합체는 상기 용융지수(MI)가 0.3 g/10분 내지 9 g/10분인 올레핀계 중합체.
- 제 1 항에 있어서,상기 T(90)-T(50)이 16≤T(90)-T(50)≤25이고, 52℃≤T(50)≤74℃인 요건을 만족하는 올레핀계 중합체.
- 제 1 항에 있어서,상기 dH(100) 및 dH(90)이 0.9≤dH(100)≤2.0이고, 1.5≤dH(90)≤5.0인 요건을 만족하는 올레핀계 중합체.
- 제 1 항에 있어서,상기 용융점(Tm)이 60℃≤Tm≤80℃인 요건을 만족하는 올레핀계 중합체.
- 제 1 항에 있어서,상기 올레핀계 중합체는 에틸렌과, 탄소수 3 내지 12의 알파-올레핀 공단량체와의 공중합체인, 올레핀계 중합체.
- 제 10 항에 있어서,상기 알파-올레핀 공단량체는 프로필렌, 1-부텐, 1-펜텐, 4-메틸-1-펜텐, 1-헥센, 1-헵텐, 1-옥텐, 1-데센, 1-운데센, 1-도데센, 1-테트라데센, 1-헥사데센, 1-아이토센, 노보넨, 노보나디엔, 에틸리덴노보덴, 페닐노보덴, 비닐노보덴, 디사이클로펜타디엔, 1,4-부타디엔, 1,5-펜타디엔, 1,6-헥사디엔, 스티렌, 알파-메틸스티렌, 디비닐벤젠 및 3-클로로메틸스티렌으로 이루어진 군으로부터 선택되는 어느 하나 또는 둘 이상의 혼합물을 포함하는, 올레핀계 중합체.
- 제 1 항에 있어서,상기 올레핀계 중합체는 에틸렌과 1-부텐의 공중합체인, 올레핀계 중합체.
- 제 1 항에 있어서,상기 올레핀계 중합체는 하기 화학식 1의 전이금속 화합물을 포함하는 올레핀 중합용 촉매 조성물의 존재 하에서, 수소 기체를 투입하며 올레핀계 단량체를 중합하는 단계를 포함하는 제조방법에 의해 얻어진 것인 올레핀계 중합체:[화학식 1]상기 화학식 1에서,R1은 서로 동일하거나 상이하고, 각각 독립적으로 수소, 탄소수 1 내지 20의 알킬, 탄소수 2 내지 20의 알케닐, 아릴, 실릴, 알킬아릴, 아릴알킬, 또는 하이드로카르빌로 치환된 4족 금속의 메탈로이드 라디칼이며, 상기 두개의 R1은 탄소수 1 내지 20의 알킬 또는 탄소수 6 내지 20의 아릴 라디칼을 포함하는 알킬리딘 라디칼에 의해 서로 연결되어 고리를 형성할 수 있고;R2는 서로 동일하거나 상이하고, 각각 독립적으로 수소; 할로겐; 탄소수 1 내지 20의 알킬; 아릴; 알콕시; 아릴 옥시; 아미도 라디칼이며, 상기 R2 중에서 2개 이상은 서로 연결되어 지방족 고리 또는 방향족 고리를 형성할 수 있고;R3는 서로 동일하거나 상이하고, 각각 독립적으로 수소; 할로겐; 탄소수 1 내지 20의 알킬; 또는 아릴 라디칼로 치환 또는 비치환된, 질소를 포함하는 지방족 또는 방향족 고리이고, 상기 치환기가 복수개일 경우에는 상기 치환기 중에서 2개 이상의 치환기가 서로 연결되어 지방족 또는 방향족 고리를 형성할 수 있고;M은 4족 전이금속이며;Q1 및 Q2는 각각 독립적으로 할로겐; 탄소수 1 내지 20의 알킬; 알케닐; 아릴; 알킬아릴; 아릴알킬; 탄소수 1 내지 20의 알킬 아미도; 또는 아릴 아미도이다.
- 제 13 항에 있어서,상기 수소 기체의 투입량은 20 내지 40 sccm인 올레핀계 중합체.
- 제 13 항에 있어서,상기 올레핀계 중합체는 상기 올레핀 중합용 촉매 조성물의 존재 하에 수소를 투입하여 연속 교반식 반응기(Continuous Stirred Tank Reactor)를 이용한 연속 용액 중합 반응에 의해 제조된 올레핀계 중합체.
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| EP21832313.7A EP4019559A4 (en) | 2020-07-03 | 2021-07-02 | Olefin-based polymer |
| US17/762,930 US12319761B2 (en) | 2020-07-03 | 2021-07-02 | Olefin-based polymer |
| JP2022521473A JP7423765B2 (ja) | 2020-07-03 | 2021-07-02 | オレフィン系重合体 |
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| CN117343226B (zh) | 2023-12-04 | 2024-04-09 | 万华化学集团股份有限公司 | 一种乙烯/α-烯烃共聚物及其应用 |
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| JP7423765B2 (ja) | 2024-01-29 |
| EP4019559A1 (en) | 2022-06-29 |
| CN114466873B (zh) | 2024-02-06 |
| JP2022553158A (ja) | 2022-12-22 |
| US20220403073A1 (en) | 2022-12-22 |
| CN114466873A (zh) | 2022-05-10 |
| EP4019559A4 (en) | 2022-12-07 |
| KR20220004581A (ko) | 2022-01-11 |
| KR102605406B1 (ko) | 2023-11-24 |
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