Patent Description:
A metallocene compound is a compound in which a transition metal or a transition metal halide compound is coordinate-bonded with a ligand such as a cyclopentadienyl group (Cp), an indenyl group, or a cycloheptadienyl group, and has a sandwich structure as its basic form.

A metallocene catalyst is a single-site catalyst including the above metallocene compound and a co-catalyst such as methylaluminoxane. A polymer obtained by the polymerization using the metallocene catalyst has a narrow molecular weight distribution and a uniform comonomer distribution. The metallocene catalyst has higher copolymerization activity than a Ziegler-Natta catalyst.

The metallocene catalyst can be used to obtain polymers having different stereoregularity depending on the structure of the ligand even when the same monomer is used. <CIT> discloses a catalyst component for addition polymerization, which is different compared to the one of the present invention, a process for producing the catalyst compound and a process for producing addition polymer. <CIT> relates to a process for the preparation of multimodal polyethylene resins by using mixed indenoindolyl catalysts.

An object of the present invention is to provide a hybrid metallocene-supported catalyst which can be used to improve the melt strength of an olefin polymer.

Another object of the present invention is to provide a method of preparing an olefin polymer having improved melt strength.

An object of the present disclosure is to provide an olefin polymer having improved melt strength.

In an aspect of the present invention, there is provided a hybrid metallocene-supported catalyst, including: a carrier; at least one first metallocene compound supported in the carrier, among compounds represented by Chemical Formula <NUM>; at least one second metallocene compound supported in the carrier, among compounds represented by Chemical Formula <NUM>; and a co-catalyst compound supported in the carrier.

In Chemical Formula <NUM>, in *-MX<NUM>-*, M is any one of titanium (Ti), zirconium (Zr), and hafnium (Hf), X is one of halogen, an alkyl group of C1-<NUM>, and an alkenyl group of C<NUM>-<NUM>, and R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-* are each independently one of H-*, an alkyl group of C<NUM>-<NUM>, a cycloalkyl group of C<NUM>-<NUM>, and an aryl group of C<NUM>-<NUM>.

In Chemical Formula <NUM>, in *-MX<NUM>-*, M is any one of titanium (Ti), and zirconium (Zr), X is any one of halogen, an alkyl group of C1-<NUM>, and an alkenyl group of C<NUM>-<NUM>, Q is any one of carbon (C), silicon (Si), germanium (Ge), and tin (Sn), R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, and R<NUM>-*are each independently one of *-H-, an alkyl group of C<NUM>-<NUM>, a cycloalkyl group of C<NUM>-<NUM>, and an aryl group of C<NUM>-<NUM>, and R<NUM>-* and R<NUM>-* are each independently an alkyl group of C<NUM>-<NUM>.

In another aspect of the present invention, there is provided a method of preparing an olefin polymer, including: polymerizing olefin monomers in the presence of the hybrid metallocene-supported catalyst.

In the present disclosure, an olefin polymer, having a molecular weight distribution of <NUM> to <NUM>, a weight average molecular weight of <NUM> x <NUM><NUM> g/mol to <NUM> x <NUM><NUM> g/mol, wherein a ratio of melt strength measured at <NUM> to the weight average molecular weight is more than <NUM> x <NUM>- is described, but is not part of the invention.

Other details are included in the detailed description and the drawings.

The hybrid metallocene-supported catalyst according to an embodiment of the present invention can be used to improve the melt strength of an olefin polymer.

The method of preparing an olefin polymer according to another embodiment of the present invention can provide an olefin polymer having improved melt strength.

The olefin polymer according to still another embodiment of the present disclosure has improved melt strength.

The above and other subjects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which:.

The aspects and features of the present invention and methods for achieving the aspects and features will be apparent by referring to the embodiments to be described in detail with reference to the accompanying drawings.

It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For instance, a first element discussed below could be termed a second element without departing from the teachings of the present invention. Similarly, the second element could also be termed the first element.

In the present specification, the term "CA-B" means that the number of carbon atoms is A or more and B or less, and "A to B" means A or more and B or less.

In the present specification, the " * " means a bonding site.

Hereinafter, embodiments of the present invention will be described in detail with reference to Preparation Examples and Comparative Examples.

A hybrid metallocene-supported catalyst according to an embodiment includes: a carrier; at least one first metallocene compound supported in the carrier, among compounds represented by Chemical Formula <NUM>; at least one second metallocene compound supported in the carrier, among compounds represented by Chemical Formula <NUM>; and a co-catalyst compound supported in the carrier. <CHM>
<CHM>.

InChemical Formula <NUM>, in *-MX<NUM>-*, M is any one of titanium (Ti), zirconium (Zr), and hafnium (Hf), X is one of halogen, an alkyl group of C1-<NUM>, and an alkenyl group of C<NUM>-<NUM>, and R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-* are each independently one of H-*, an alkyl group of C<NUM>-<NUM>, a cycloalkyl group of C<NUM>-<NUM>, and an aryl group of C<NUM>-<NUM>.

In Chemical Formula <NUM>, among Rm-*s (m is <NUM> to <NUM>), two adjacent Rn-* and Rn+<NUM>-* (n is <NUM> to <NUM>) form an unsubstituted or substituted single or multiple ring compound of C<NUM>-<NUM> with an alky group of C<NUM>-<NUM>, and Rm-*s other than Rn-* and Rn+<NUM>-* are each independently one of H-*, an alkyl group of C<NUM>-<NUM>, a cycloalkyl group of C<NUM>-<NUM>, and an aryl group of C<NUM>-<NUM>. The unsubstituted or substituted single ring compound of C<NUM>-<NUM> with an alky group of C<NUM>-<NUM>may be an aliphatic cyclic compound or an aromatic cyclic compound, and the unsubstituted or substituted multiple ring compound of C<NUM>-<NUM> with an alky group of C<NUM>-<NUM> may be an aliphatic cyclic compound, an aromatic cyclic compound, or a hybrid cyclic compound of the aliphatic cyclic compound and the aromatic cyclic compound.

The first metallocene compound may be at least one of compounds represented by Chemical Formulae <NUM>-<NUM> to <NUM>-<NUM>. <CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>.

In Chemical Formulae <NUM>-<NUM> to <NUM>-<NUM>, Me-* is a methyl group, Bu-* is a butyl group, Ph-* is a phenyl group, Tol-* is a toluene group or a methylphenyl group, and Naph-* is a naphthalene group. <CHM>
<CHM>.

In Chemical Formula <NUM>, in *-MX<NUM>-*, M is any one of titanium (Ti), and zirconium (Zr), X is any one of halogen, an alkyl group of C1-<NUM>, and an alkenyl group of C<NUM>-<NUM>. In Chemical Formula <NUM>, *-Q-* is any one of carbon (C), silicon (Si), germanium (Ge), and tin (Sn), R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, and R<NUM>-* are each independently one of *-H-, an alkyl group of C<NUM>-<NUM>, a cycloalkyl group of C<NUM>-<NUM>, and an aryl group of C<NUM>-<NUM>, and R<NUM>-* and R<NUM>-* are each independently an alkyl group of C<NUM>-<NUM>.

In Chemical Formula <NUM>, among Rm-*s (m is <NUM> to <NUM>), two adjacent Rn-* and Rn+<NUM>-* (n is <NUM> to <NUM>) may form an unsubstituted or substituted single or multiple ring compound of C<NUM>-<NUM> with an alky group of C<NUM>-<NUM>. In this case, Rm-*s other than Rn-* and Rn+<NUM>-* are each independently one of *-H-, an alkyl group of C<NUM>-<NUM>, a cycloalkyl group of C<NUM>-<NUM>, and an aryl group of C<NUM>-<NUM>. The unsubstituted or substituted single ring compound of C<NUM>-<NUM> with an alky group of C<NUM>-<NUM>may be an aliphatic cyclic compound or an aromatic cyclic compound, and the unsubstituted or substituted multiple ring compound of C<NUM>-<NUM> with an alky group of C<NUM>-<NUM>may be an aliphatic cyclic compound, an aromatic cyclic compound, or a hybrid cyclic compound of the aliphatic cyclic compound and the aromatic cyclic compound.

Further, in Chemical Formula <NUM>, in the alkyl group of C<NUM>-<NUM> or the unsubstituted or substituted single or multiple ring compound of C<NUM>-<NUM> with an alky group of C<NUM>-<NUM>, one or more carbon atoms may be substituted with one of nitrogen (N), oxygen (O), and sulfur (S).

The second metallocene compound may be at least one of compounds represented by Chemical Formulae <NUM>-<NUM> to <NUM>-<NUM>. <CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>
<CHM>.

In Chemical Formulae <NUM>-<NUM> to <NUM>-<NUM>, Ph-* is a phenyl group.

The first metallocene compound and the second metallocene compound may be used together with the co-catalyst compound to be used as a polymerization catalyst for preparing an olefin polymer.

The co-catalyst compound is not particularly limited as long as it is widely used in the field of metallocene catalysts. For example, the co-catalyst compound may be at least one of at least one of compounds represented by Chemical Formula <NUM> and at least one of compounds represented by Chemical Formula <NUM>.

In Chemical Formula <NUM>, Ra-* is halogen-*, or a unsubstituted or substituted alkyl group of C<NUM>-<NUM>, cycloalkyl group of C<NUM>-<NUM>, or aryl group of C<NUM>-<NUM>with halogen, and n is an integer of <NUM> or more.

In Chemical Formula <NUM>, D is aluminum or boron, Rb-* to Rd-* are the same as or different from each other and are each independently halogen-*, or a unsubstituted or substituted alkyl group of C<NUM>-<NUM>, cycloalkyl group of C<NUM>-<NUM>, or aryl group of C<NUM>-<NUM> with halogen, and n is an integer of <NUM> or more.

The carrier is not particularly limited as long as it can support the first metallocene compound, the second metallocene compound, and the co-catalyst compound. For example, the carrier may be carbon, silica, alumina, zeolite, or magnesium chloride.

As a method of supporting the first metallocene compound, the second metallocene compound and the co-catalyst compound on the carrier, a physical adsorption method or a chemical adsorption method may be used.

For example, the physical adsorption method may be a method of contacting the carrier with a solution in which the first metallocene compound, the second metallocene compound, and the co-catalyst compound are dissolved and drying the solution, or may be a method including the steps of contacting the carrier with a solution in which the first metallocene compound and the second metallocene compound are dissolved and drying the solution to prepare a carrier supported with the first metallocene compound and the second metallocene compound; contacting the carrier with a solution in which the co-catalyst compound is dissolved and drying the solution to prepare a carrier supported with the co-catalyst compound; and mixing these carriers.

For example, the chemical adsorption method may be a method of supporting the co-catalyst compound on the surface of the carrier and then supporting the co-catalyst compound with the first metallocene compound and the second metallocene compound, or may be a method of covalent-bonding a functional group of the surface of the carrier (for example, in the case of silica, a hydroxyl group (-OH) of the surface of silica) with the first metallocene compound and the second metallocene compound.

The sum of the amount of the first metallocene compound to be supported and the amount of the second metallocene compound to be supported may be <NUM> parts by weight to <NUM> parts by weight based on <NUM> of the carrier, and the amount of the co-catalyst compound to be supported is <NUM> parts by weight to <NUM> parts by weight based on <NUM> of the carrier.

Meanwhile, a method of preparing an olefin polymer according to another embodiment of the present invention includes the step of polymerizing olefin monomers in the presence of the hybrid metallocene-supported catalyst.

Examples of the olefin monomers may include ethylene, propylene, <NUM>-butene, <NUM>-pentene, <NUM>-methyl-<NUM>-pentene, <NUM>-hexene, <NUM>-heptene, <NUM>-octene, <NUM>-decene, <NUM>-undecene, <NUM>-dodecene, <NUM>-tetradecene, and <NUM>-hexadecene. The olefin polymer may be a homopolymer or a copolymer. The copolymer may be, for example, a copolymer of ethylene and α-olefin. The α-olefin may be, for example, at least one selected from <NUM>-butene, <NUM>-hexene, and <NUM>-octene.

The olefin polymer may be prepared by, for example, a gas phase polymerization method, a solution polymerization method, or a slurry polymerization method. When the olefin polymer is prepared by a solution polymerization method or a slurry polymerization method, examples of solvents to be used may include: aliphatic hydrocarbon solvents of C<NUM>-<NUM> such as pentane, hexane, heptane, nonane, decane, and isomers thereof; aromatic hydrocarbon solvents such as toluene and benzene; hydrocarbon solvents substituted with chlorine atoms such as dichloromethane and chlorobenzene; and mixtures thereof.

An olefin polymer according to the present disclosure has a molecular weight distribution of <NUM> to <NUM> and a weight average molecular weight of <NUM> x <NUM><NUM> g/mol to <NUM> x <NUM><NUM> g/mol. Here, the ratio of melt strength measured at <NUM> to the weight average molecular weight is <NUM> x <NUM>-<NUM> or more, preferably <NUM> x <NUM>-<NUM> or more, and more preferably <NUM> x <NUM>-<NUM> or more.

The measured melt strength may be <NUM> cN or more, and preferably <NUM> cN or more. The slope of a graph relating to a shear rate and tan δ is -<NUM> or more in a shear rate range of <NUM> rad/s to <NUM> rad/s. The slope of Han plot is <NUM> or less in a loss modulus range of <NUM> dyne/cm<NUM> to <NUM> dyne/cm<NUM>. The density of the olefin polymer may be more than <NUM>/cm<NUM>and less than <NUM>/cm<NUM>, the melt index of the olefin polymer measured at <NUM> may be more than <NUM>/<NUM> and less than <NUM>/<NUM>, and the value obtained by dividing the extrusion amount of the olefin polymer for <NUM> minutes at a load of <NUM> by the extrusion amount of the olefin polymer for <NUM> minutes at a load of <NUM> may be more than <NUM> and less than <NUM>.

Hereinafter, Preparation Examples of the hybrid metallocene-supported catalyst according to an embodiment of the present invention and Preparation Examples of the olefin polymer according to another embodiment of the present invention will be described in detail.

In a dry box, indene (<NUM>, <NUM> mol) was dissolved in hexane (<NUM>), sufficiently mixed, and then cooled to -<NUM> to obtain a hexane solution. Then, a <NUM> n-butyl lithium (n-BuLi) hexane solution (<NUM>, <NUM> mol) was dropped into this hexane solution, and was stirred overnight at room temperature to obtain a white suspension. The white suspension was filtered by a glass filter to obtain a white solid, the white solid was sufficiently dried, and then <NUM> of an indene lithium salt was obtained in a yield of <NUM>%.

In a dry box, cyclopentadienyl zirconium trichloride (CpZrCl<NUM>) (<NUM>, <NUM> mmol) was slowly dissolved in ether (<NUM>), and then cooled to -<NUM> to obtain an ether solution. Then, an indene lithium salt (<NUM>, <NUM> mmol) dissolved in ether (<NUM>) was slowly dropped into this ether solution, and was then stirred overnight to obtain a yellow suspension. Then, under reduced pressure, ether was removed from the yellow suspension, and then the resulting yellow suspension was extracted with methylene chloride (<NUM>) to obtain extracts. The extracts passed through a celite to remove lithium chloride (LiCl), and then dried to obtain <NUM> of a refined first metallocene compound in a yield of <NUM>%.

<NUM>-Bromo-<NUM>-methyl-<NUM>-indene (<NUM>, <NUM> equivalent) and [<NUM>,<NUM>-bis-(diphenylphosphino) propane] nickel (II) chloride (Ni (dppp) Cl<NUM>) (<NUM>, <NUM> equivalents) were introduced into ether (<NUM>), a <NUM> phenylmagnesium bromide (PhMgBr) ether solution (<NUM>, <NUM> equivalents) was added thereto for <NUM> hour, and then the mixed solution was refluxed and stirred at <NUM> for <NUM> hours while gradually raising temperature.

After completion of the reaction, the solution was immersed in an ice bath, and <NUM> N hydrochloric acid was added thereto to lower the hydrogen ion concentration index to pH <NUM>. Then, an organic layer was extracted from the solution, treated with magnesium sulfide (MgSO<NUM>) to remove water, and then dried to obtain <NUM> (yield: <NUM>%) of <NUM>-methyl-<NUM>-phenyl-<NUM>-indene which is a white solid.

[<NUM>-NMR (CDCl<NUM>, <NUM>), <NUM>-<NUM> (m, <NUM>), <NUM> (s, <NUM>), <NUM> (s, <NUM>), <NUM> (s, <NUM>)].

<NUM>-methyl-<NUM>-phenyl-<NUM>-indene (<NUM>, <NUM> equivalent) was introduced into <NUM> of hexane, a <NUM> n-butyl lithium (n-BuLi) hexane solution (<NUM>, <NUM> equivalents) was slowly added thereto at -<NUM>, the temperature was raised to room temperature, and then the mixed solution was stirred at room temperature for <NUM> hours to obtain a solid. The obtained solid was filtered, washed with hexane, and then dried under vacuum to obtain <NUM>-methyl-<NUM>-phenyl-indenyl lithium (<NUM>, <NUM> equivalents). Then, <NUM> of toluene and <NUM> of tetrahydrofuran.

(THF) were introduced into the obtained <NUM>-methyl-<NUM>-phenyl-indenyl lithium (<NUM>, <NUM> equivalents), dimethyldichlorosilane (<NUM>, <NUM> equivalent) was slowly added thereto at -<NUM>, the temperature was raised to <NUM>, and then the mixed solution was stirred at <NUM> for <NUM> hours. After completion of the reaction, a solvent was removed, and an organic layer was extracted using a mixed solution of ether and water and treated with magnesium sulfide (MgSO<NUM>) to remove water. <NUM> (yield: <NUM>%) of dimethylbis(<NUM>-methyl-<NUM>-phenylindenyl)silane was obtained using column chromatography. At this time, a mixed solution of hexane and methylene chloride having a volume ratio of <NUM>: <NUM> was used as a mobile phase.

[<NUM>-NMR (CDCl<NUM>, <NUM>), <NUM>-<NUM> (m, <NUM>), <NUM> (m, <NUM>), <NUM>(S, <NUM>), <NUM> (s, <NUM>), <NUM> (s, <NUM>), <NUM>(m, <NUM>)].

A <NUM> n-butyl lithium (n-BuLi) hexane solution (<NUM>, <NUM> equivalents) was slowly added to a solution in which dimethyl-bis(<NUM>-methyl-<NUM>-phenylindenyl)silane (<NUM>, <NUM> equivalent) was dissolved in <NUM> of ether at -<NUM>, the temperature was slowly raised to room temperature, and then the mixed solution was stirred at room temperature for <NUM> hours. Then, a solvent was dried to obtain a solid. The solid was washed with hexane, and dried under vacuum to obtain a dilithium salt. Then, a solution of the dilithium salt (<NUM>, <NUM> equivalents) and ether (<NUM>) was slowly added to zirconium chloride (ZrCl<NUM>) (<NUM>, <NUM> equivalent) at -<NUM>, the temperature was slowly raised, and then the mixed solution was stirred for <NUM> hours. After completion of the reaction, a solvent was removed, and <NUM> (yield: <NUM>%) of rac-dimethylsilylbis(<NUM>-methyl-<NUM>-phenylindenyl)zirconium dichloride was obtained by a recrystallization method using methylene chloride as a recrystallization solvent.

[<NUM>-NMR (CDCl<NUM>, <NUM>), <NUM>-<NUM> (m, <NUM>), <NUM> (s, <NUM>), <NUM> (s, <NUM>), <NUM>(s, <NUM>)].

When the first and second metallocene compound and methyl aluminum oxane (MAO) as a co-catalyst react with moisture or oxygen in the air, activity is lost. Therefore, all experiments were carried out using a glove box and a Schlenk technique under nitrogen conditions. A <NUM> supported catalyst reactor was used in a state of being washed to remove foreign mater, dried at <NUM> for <NUM> hours, sealed, and then dried in vacuum to completely moisture.

A <NUM>% methyl aluminum oxane (MAO) solution (methyl aluminum oxane: <NUM>) was added to the <NUM> of the first metallocene compound and <NUM> of the second metallocene compound, and the mixed solution was stirred at room temperature for <NUM> hour. <NUM> of silica was put into the reactor, and then <NUM> of refined toluene was additionally put into the reactor, followed by stirring. After completion of stirring for <NUM> hour, the first metallocene compound, the second metallocene compound, and methyl aluminum oxane were added to the mixed solution while stirring in the reactor. The reactor was heated to about <NUM>, followed by stirring for <NUM> hours.

After the precipitation reaction, a supernatant was removed.

A second hybrid metallocene-supported catalyst was prepared in the same manner as in the preparation example of the first hybrid metallocene-supported catalyst, except that <NUM> of the first metallocene compound was used and <NUM> of the second metallocene compound was used.

The first hybrid metallocene-supported catalyst was introduced into a single gas phase polymerization process to prepare a polyolefin copolymer. <NUM>-hexene was used as a comonomer. Operation conditions are summarized in Table <NUM>.

The second hybrid metallocene-supported catalyst was introduced into a single gas phase polymerization process to prepare a polyolefin copolymer. <NUM>-hexene was used as a comonomer. Operation conditions are summarized in Table <NUM>.

The densities, melt indexes, melt flow rates, molecular weights, molecular weight distributions, melt strengths, and rheological properties of the olefin polymers according to Examples and Comparative Examples below were measured. The measurement results of the physical properties are summarized in Tables <NUM> and <NUM> below. In Tables <NUM> and <NUM>, Example <NUM> is a first olefin polymer, and Example <NUM> is a second olefin polymer.

DX900, which is a commercial pipe product manufactured by SK Innovation Co. , was used.

SP988, which is a commercial pipe product manufactured by LG Chem Co. , was used.

C910A, which is a commercial pipe product manufactured by Hanwha TOTAL Petrochemical Co. , was used.

HDPE <NUM>, which is a commercial bottle cap product manufactured by SK Innovation Co. , was used.

A commercial LG ME2500 product manufactured by LG Chem Co. , was used.

Measurement of dynamic viscoelastic properties depending on frequency variation (Dynamic frequency sweep test): Measurement of rheological properties was performed using a rheometer (Advanced Rheometric Expansion System, ARES). The frequency range was <NUM> to <NUM> rad/s, the experimental temperature was <NUM>, the measurement was performed under a nitrogen atmosphere, and the strain was <NUM>%.

The slope of log(tanδ) at a shear rate (ω) of <NUM> rad/s to <NUM> rad/s is a slope of log(tanδ) and log(w). For example, the slope of log(tanδ) in Example <NUM> is calculated by Equation <NUM>.

Han plot compares the slopes of log(G') with respect to a predetermined log(G") range (for example, values of log(G") of <NUM> and <NUM>). For example, the slope of Han plot in Example <NUM> is calculated by Equation <NUM>.

Claim 1:
A hybrid metallocene-supported catalyst, comprising:
a carrier;
at least one first metallocene compound supported in the carrier, among compounds represented by Chemical Formula <NUM>;
at least one second metallocene compound supported in the carrier, among compounds represented by Chemical Formula <NUM>; and
a co-catalyst compound supported in the carrier:
<CHM>
in Chemical Formula <NUM>, in *-MX<NUM>-*, M is any one of titanium (Ti), zirconium (Zr), and hafnium (Hf), X is one of halogen, an alkyl group of C1-<NUM>, and an alkenyl group of C<NUM>-<NUM>, and R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-* are each independently one of H-*, an alkyl group of C<NUM>-<NUM>, a cycloalkyl group of C<NUM>-<NUM>, and an aryl group of C<NUM>-<NUM>,
<CHM>
<CHM>
in Chemical Formula <NUM>, in *-MX<NUM>-*, M is any one of titanium (Ti), and zirconium (Zr), X is any one of halogen, an alkyl group of C1-<NUM>, and an alkenyl group of C<NUM>-<NUM>, Q is any one of carbon (C), silicon (Si), germanium (Ge), and tin (Sn), R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, R<NUM>-*, and R<NUM>-*are each independently one of *-H-, an alkyl group of C<NUM>-<NUM>, a cycloalkyl group of C<NUM>-<NUM>, and an aryl group of C<NUM>-<NUM>, and R<NUM>-* and R<NUM>-* are each independently an alkyl group of C<NUM>-<NUM>.