WO2017115927A1 - 혼성 메탈로센 담지 촉매, 이를 이용한 올레핀 중합체의 제조방법 및 용융강도가 향상된 올레핀 중합체 - Google Patents
혼성 메탈로센 담지 촉매, 이를 이용한 올레핀 중합체의 제조방법 및 용융강도가 향상된 올레핀 중합체 Download PDFInfo
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- WO2017115927A1 WO2017115927A1 PCT/KR2016/003178 KR2016003178W WO2017115927A1 WO 2017115927 A1 WO2017115927 A1 WO 2017115927A1 KR 2016003178 W KR2016003178 W KR 2016003178W WO 2017115927 A1 WO2017115927 A1 WO 2017115927A1
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- 0 CC(CCC*)*C(C)(*CCCC1)C1C1(*)C(**)C(*)C(*)C1* Chemical compound CC(CCC*)*C(C)(*CCCC1)C1C1(*)C(**)C(*)C(*)C1* 0.000 description 6
- ZXVVIKMMTCNHIH-UHFFFAOYSA-N CC1C(C)C(C)C(C)C1C Chemical compound CC1C(C)C(C)C(C)C1C ZXVVIKMMTCNHIH-UHFFFAOYSA-N 0.000 description 1
- AMBAWAHKHZZAAY-UHFFFAOYSA-N CCC(C)c1ccccc1C Chemical compound CCC(C)c1ccccc1C AMBAWAHKHZZAAY-UHFFFAOYSA-N 0.000 description 1
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- C08F4/65927—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 containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
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- B01J2231/10—Polymerisation reactions involving at least dual use catalysts, e.g. for both oligomerisation and polymerisation
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Definitions
- the present invention relates to a mixed metallocene supported catalyst, a method for preparing an olefin polymer using the same, and an olefin polymer having improved melt strength.
- Metallocene compounds are compounds in which ligands such as a cyclopentadienyl group (Cp), an indenyl group, and a cycloheptadienyl group are coordinated to a transition metal or a transition metal halogen compound. It has a basic sandwich structure.
- the metallocene catalyst is a single-site catalyst comprising a metallocene compound and a promoter such as methylaluminoxane, wherein the polymer polymerized with the metallocene catalyst has a molecular weight distribution. It has a narrow, homogeneous distribution of comonomers, and has high copolymerization activity compared to Ziegler-Natta catalyst.
- the metallocene catalyst can obtain a polymer having different stereoregularity even when using the same monomer according to the structure of the ligand.
- One embodiment of the present invention is to provide a mixed metallocene supported catalyst that can improve the melt strength of the olefin polymer.
- Another embodiment of the present invention is to provide a method for preparing an olefin polymer having improved melt strength.
- Another embodiment of the present invention seeks to provide an olefin polymer with improved melt strength.
- Hybrid metallocene supported catalyst according to an embodiment of the present invention, a carrier, at least one first metallocene compound of the compounds represented by the following formula (1) supported on the carrier, the following formula 2 supported on the carrier At least one of the second metallocene compound of the compounds represented by and a cocatalyst compound supported on the carrier.
- M in * -MX 2- * is any one of titanium (Ti), zirconium (Zr) or hafnium (Hf), and X is halogen, C 1-10 alkyl group, C 2-10 alkenyl group
- R 1- *, R 2- *, R 3- *, R 4- *, R 5- *, R 6- *, R 7- *, R 8- *, R 9- *, R 10 -* Are each independently H- *, a C 1-20 alkyl group, a C 3-6 cycloalkyl group, and a C 6-14 aryl group.
- the method for preparing an olefin polymer according to another embodiment of the present invention includes polymerizing olefin monomers in the presence of the mixed metallocene supported catalyst.
- the olefin polymer according to another embodiment of the present invention has a molecular weight distribution of 2 to 5, a weight average molecular weight of 100 ⁇ 10 3 g / mol to 200 ⁇ 10 3 g / mol, with respect to the measured value of the weight average molecular weight
- the ratio of melt strength measured at 190 ° C. is at least 0.85 ⁇ 10 ⁇ 3 .
- Mixed metallocene supported catalyst according to an embodiment of the present invention can improve the melt strength of the olefin polymer.
- Method for producing an olefin polymer according to another embodiment of the present invention can provide an olefin polymer with improved melt strength.
- the olefin polymer according to another embodiment of the present invention has improved melt strength.
- melt strength (F) is a graph of melt strength (F) versus pull-off speed.
- first, second, etc. are used to describe various components, these components are of course not limited by these terms. These terms are only used to distinguish one component from another. Therefore, of course, the first component mentioned below may be a second component within the technical spirit of the present invention.
- C AB means that the carbon number is A or more and B or less, and “A to B” means A or more and B or less.
- Hybrid metallocene supported catalyst according to an embodiment, a carrier, at least one of the first metallocene compound of the compounds represented by the following formula (1) supported on the carrier, represented by the following formula (2) supported on the carrier At least one second metallocene compound of the compounds and a promoter compound supported on the carrier.
- M is any one of titanium (Ti), zirconium (Zr) or hafnium (Hf), X is halogen, C 1-10 alkyl group and C 2-10 alke One of the nils.
- R 1- *, R 2- *, R 3- *, R 4- *, R 5- *, R 6- *, R 7- *, R 8- *, R 9- *, R 10- * are each independently one of H— *, a C 1-20 alkyl group, a C 3-6 cycloalkyl group, and a C 6-14 aryl group.
- R m- * (m is 1 to 10) two adjacent R n- * and R n + 1- * (n is 1 to 9) is substituted or unsubstituted C 1-4 alkyl group C 1-15 single or multiple ring compounds can be formed.
- R n- * and R n +1- * Except for the other R m- * are each independently one of H- *, C 1-20 alkyl group, C 3-6 cycloalkyl group and C 6-14 aryl group.
- the C 1-15 monocyclic compound substituted or unsubstituted with the C 1-4 alkyl group may be an aliphatic ring compound or an aromatic ring compound
- the C 1-15 polycyclic compound may be an aliphatic ring compound or an aromatic ring compound.
- a hybrid ring compound of the aliphatic ring compound and the aromatic ring compound may be an aliphatic ring compound or an aromatic ring compound.
- the first metallocene compound may be, for example, at least one of compounds represented by Chemical Formulas 1-1 to Chemical Formulas 1-24.
- Me- * is a methyl group
- Bu- * is a butyl group
- Ph- * is a phenyl group
- Tol- * is a toluene group or a methylphenyl group
- Naph- * is a naphthalene group to be.
- M in * -MX 2- * is any one of titanium (Ti), zirconium (Zr) or hafnium (Hf), and each X is independently a halogen, a C 1-10 alkyl group, C 2-10 It is either of alkenyl groups.
- Q in Q- * is any one of carbon (C), silicon (Si), germanium (Ge), or tin (Sn), and R 1- *, R 2- *, and R 3.
- R 4- *, R 5- *, R 6- *, R 7- *, R 8 , R 9- *, R 10- *, R 11- * And R 12- * Are each independently H- *, C 1-20 alkyl group, C 3-6 cycloalkyl group and C 6-14 aryl group, and R 13- * and R 14- * are each Independently C 1-10 alkyl.
- R m- * (m is 1 to 12) two adjacent R n- * and R n + 1- * (n is 1 to 11) are substituted or unsubstituted C 1-4 alkyl group C 1-15 single or multiple ring compounds can be formed.
- R n- * and R n +1- * Except for R m- * are each independently one of H- *, C 1-20 alkyl group, C 3-6 cycloalkyl group, C 6-14 aryl group.
- the C 1-15 monocyclic compound substituted or unsubstituted with the C 1-4 alkyl group may be an aliphatic ring compound or an aromatic ring compound
- the C 1-15 polycyclic compound may be an aliphatic ring compound or an aromatic ring compound.
- a hybrid ring compound of the aliphatic ring compound and the aromatic ring compound may be an aliphatic ring compound or an aromatic ring compound.
- the C 1-20 alkyl group, the C 1-4 alkyl group substituted or unsubstituted C 1-15 single or multi-cyclic compound is at least one carbon element is nitrogen element (N), oxygen element ( O) or sulfur element (S) may be substituted.
- the second metallocene compound may be, for example, at least one of compounds represented by Chemical Formulas 2-1 to 2-20.
- Ph- * is a phenyl group.
- the first metallocene compound and the second metallocene compound may be used together with the cocatalyst compound to be used as a polymerization catalyst for preparing an olefin polymer.
- the cocatalyst compound is not particularly limited as long as it is widely used in the metallocene catalyst field, and for example, at least one of the first cocatalyst compound and the compound represented by the following Chemical Formula 4 At least one of the second cocatalyst compounds.
- Ra- * is one of halogen- *, a substituted or unsubstituted C 1-20 alkyl group, C 3-6 cycloalkyl group and C 6-14 aryl group.
- n is an integer of 2 or more.
- D is aluminum or boron
- Rb- * to Rd- * are the same as or different from each other, and each independently a C 1-20 alkyl group unsubstituted or substituted with H- *, halogen- *, or halogen , C 3-6 cycloalkyl group and C 6-14 aryl group
- n is an integer of 2 or more.
- the carrier is not particularly limited as long as it can support the first metallocene compound, the second metallocene compound, and the cocatalyst compound.
- the carrier may be carbon, silica, alumina, zeolite, magnesium chloride, or the like. Can be.
- a physical adsorption method or a chemical adsorption method may be used as the method of supporting the first metallocene compound, the second metallocene compound, and the promoter compound on the support.
- the physical adsorption method may include, for example, a method in which a solution in which the first metallocene compound, the second metallocene compound, and the promoter compound are dissolved is contacted with the carrier and then dried, or the first metal.
- a solution in which a rosene compound and the second metallocene compound are dissolved is contacted with the carrier and dried to prepare a carrier on which the first metallocene compound and the second metallocene compound are supported.
- After contacting the solution in which the promoter compound is dissolved with the carrier, and drying to prepare a carrier carrying the promoter compound it may be a method of mixing them.
- the chemical adsorption method may include, for example, a method of first supporting the promoter compound on the surface of the carrier and then supporting the first metallocene compound and the second metallocene compound in the promoter compound, Or a method of covalently bonding a functional group on the surface of the carrier (eg, a hydroxyl group (-OH) on the surface of silica in the case of silica), the first metallocene compound, and the second metallocene compound.
- a functional group on the surface of the carrier eg, a hydroxyl group (-OH) on the surface of silica in the case of silica
- the total amount of the supported amount of the first metallocene compound and the second metallocene compound may be 0.5 part by weight to 3.0 parts by weight based on 1 g of the carrier, and the supported amount of the promoter compound is 1 g of the carrier. On the basis of 20 parts by weight to 30 parts by weight.
- the method for producing an olefin polymer according to another embodiment of the present invention includes the step of polymerizing olefin monomers in the presence of the mixed metallocene supported catalyst described above.
- the olefin monomers are, for example, ethylene, 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, and the like, and the olefin polymer may be a homopolymer or a copolymer.
- the copolymer may be, for example, a copolymer of ethylene and an ⁇ -olefin, and the ⁇ -olefin may be at least one selected from the 1-butene, the 1-hexene, and the 1-octene.
- the olefin polymer may be produced, for example, by gas phase polymerization, solution polymerization or slurry polymerization.
- the solvent used include C 5-12 aliphatic hydrocarbon solvents such as pentane, hexane, heptane, nonane, decane, and isomers thereof; Aromatic hydrocarbon solvents such as toluene, benzene; Hydrocarbon solvents substituted with chlorine atoms such as dichloromethane and chlorobenzene; Although mixtures of these, etc. are mentioned, It is not limited only to these.
- the olefin polymer according to another embodiment of the present invention has a molecular weight distribution of 2 to 5, a weight average molecular weight of 100 ⁇ 10 3 g / mol to 200 ⁇ 10 3 g / mol, with respect to the measured value of the weight average molecular weight
- the ratio of the melt strength measured at 190 ° C. is at least 0.85 ⁇ 10 ⁇ 3 , preferably at least 0.90 ⁇ 10 ⁇ 3 , more preferably at least 0.95 ⁇ 10 ⁇ 3 .
- the melt strength measurement is at least 125 cN, preferably at least 140 cN. Further, the slope of the relationship graph between the shear rate and tan ⁇ is -0.20 or more in the shear rate range of 0.1 rad / s to 100 rad / s. Han plot slope from 10 4 dyne / cm 3 to 10 6 dyne / cm 3 Its loss modulus is less than 1.24. The density may be greater than 0.920 kg / cm 3 to less than 0.950 kg / cm 3 , the melt index measured at 190 ° C.
- the extrusion volume for 10 minutes at a load of 21.6 kg Divided by the amount of extrusion for 10 minutes at a load of 2.16 kg may be greater than 20 to less than 40.
- indene (5 g, 0.043 mol) was dissolved in hexane (150 mL), mixed well, and cooled to -30 ° C. Then, 2.5 M n-butyllithium (n-BuLi) hexane solution was added to the hexane solution. 17ml, 0.043mol) was slowly dropped and stirred overnight at room temperature. The white suspension was filtered through a glass filter to sufficiently dry the white solid, to obtain 5.2 g of indene lithium salt in a yield of 99%.
- n-BuLi n-butyllithium
- cyclopentadienyl zirconium trichloride (CpZrCl 3 ) (2.24 g, 8.53 mmol) was slowly dissolved in ether (30 mL) and cooled to -30 ° C.
- indene lithium salt (1.05 g, 8.53 mmol) dissolved in ether (15 mL) was slowly dropped, followed by stirring overnight.
- ether was removed from the resulting yellow suspension and extracted with methylene chloride (50 mL). Lithium chloride (LiCl) was removed by passing through Celite, followed by drying to obtain 2.82 g of a purified first metallocene compound in a yield of 97%.
- Step B Synthesis of Dimethylbis (2-methyl-4- phenylindenyl) silane
- Step C rac - Synthesis of dimethylsilyl-bis (2-methyl-4-phenyl) zirconium dichloride Lai de (rac-dimethylsilylbis (2-methyl -4-phenylindenyl) zirconium dichloride)
- a 10% methyl aluminum oxane (MAO) solution (methyl aluminum oxane: 1188 g) was added to 2.862 g of the first metallocene compound and 3.469 g of the second metallocene compound, followed by stirring at room temperature for 1 hour. After 300 g of silica was added to the reactor, 900 mL of purified toluene was added to the reactor and stirred. After the stirring step for 1 hour was completed, the first metallocene compound, the second metallocene compound, and the methyl aluminum oxane were added to the mixed solution while the reactor was stirred. The reactor is warmed to approximately 60 ° C. and then stirred for 2 hours.
- MAO methyl aluminum oxane
- the second mixed metallocene supported in the same manner as in the preparation of the first mixed metallocene supported catalyst, except that 2.389 g of the first metallocene compound was used and 4.387 g of the second metallocene compound was used. Catalyst was prepared.
- the first mixed metallocene supported catalyst was introduced into a single gas phase polymerization process to prepare a polyolefin copolymer.
- the second mixed metallocene supported catalyst was introduced into a single gas phase polymerization process to prepare a polyolefin copolymer.
- Example 1 is a first olefinic polymer and Example 2 is a second olefinic polymer.
- HDPE 7303 from SK INNOVATION a commercial cap closure product, was used.
- LG Chem's commercial LG ME2500 product was used.
- the melt index (I 2 , 2.16 kg) is an extrusion amount of 10 minutes at a load of 2.16 kg and measured according to ASTM 1238 at a measurement temperature of 190 ° C.
- MFR Melt Flow Rate
- PDI Molecular weight and molecular weight distribution
- Dynamic frequency sweep test according to frequency change (Dynamic frequency sweep test): Rheological properties were measured using an Advanced Rheometric Expansion System (ARES). The frequency range was 0.1 to 500 rad / s, the experimental temperature was 190 ° C, it was performed under nitrogen atmosphere, and the strain was 10%.
- RAS Advanced Rheometric Expansion System
- the slope of log (tan ⁇ ) at the shear rate ⁇ between 0.1 rad / s and 100 rad / s is the slope of the log (tan ⁇ ) and log (w) values.
- the slope value of log (tan ⁇ ) of Example 1 was calculated as in Equation 1 below.
- Examples 1 and 2 show a large tendency of M.S. despite the low Mw. In general, higher Mw tends to increase M.S. However, Examples 1 and 2 have better M.S. while having Mw similar to Comparative Examples 1, 2 and 3, and M.S. is superior even though Mw is lower than Comparative Examples 4 and 5. In addition, Examples 1 and 2 show the processability equivalent to the comparative examples.
- the larger the tan ⁇ slope the greater the elasticity of the material. The closer the slope of the plot is to 2, the better the miscibility in the resin, and the longer chain branching in the resin. The larger the presence of), the less well the blend and the closer the slope of the plot is to one.
- Examples 1 and 2 have the same or superior degree of mixing with elasticity than the comparative examples.
- Examples 1 and 2 have excellent melt strength properties while having a degree of mixing with the elasticity equivalent or more than the comparative examples.
Abstract
Description
조업 조건 | 제1 올레핀 중합체 | 제2 올레핀 중합체 |
에틸렌 분압(K/G) | 15.0 | 15.1 |
조업 온도(℃) | 92.0 | 92.0 |
수소 몰비/에틸렌 몰비(%) | 0.066 | 0.102 |
1-헥센 몰비/에틸렌 몰비(%) | 0.35 | 0.43 |
용융지수(g/10min) | 0.67 | 0.72 |
용융흐름율(MFR) | 50.17 | 75.9 |
밀도(g/cc) | 0.9418 | 0.9407 |
밀도(Density)(Kg/cm3) | 용융지수(I2)(g/10min) | MFR | Mw(×103 g/mol) | |
실시예 1 | 0.9437 | 1.1 | 30.7 | 138.9 |
실시예 2 | 0.9443 | 1.1 | 37.6 | 145.2 |
비교예 1 | 0.9384 | 0.6 | 25.1 | 140.1 |
비교예 2 | 0.9438 | 0.7 | 35.0 | 150.0 |
비교예 3 | 0.9556 | 2.4 | 28.5 | 135.6 |
비교예 4 | 0.9523 | 2.1 | 37.4 | 248.2 |
비교예 5 | 0.9538 | 2.1 | 28.5 | 208.5 |
PDI | 용융강도(M.S.)(cN) | 0.1 rad/s 내지 100 rad/s 의 전단속도(ω)에서 log(tandδ) 의 기울기(Slope of log(tanδ) between ω =0.1 to 100 rad/s) | log G''-log G' 플롯의 기울기(Slope of Han plot) | 용융강도 /Mw(×10-3 cN·mol/g) | |
실시예 1 | 2.53 | 141.1 | -0.18 | 1.24 | 1.02 |
실시예 2 | 3.05 | 143.6 | -0.13 | 1.20 | 0.99 |
비교예 1 | 3.07 | 82.4 | -0.31 | 1.41 | 0.59 |
비교예 2 | 2.88 | 122.0 | -0.27 | 1.40 | 0.81 |
비교예 3 | 5.5 | 63.7 | -0.34 | 1.42 | 0.47 |
비교예 4 | 21.3 | 53.1 | -0.15 | 1.26 | 0.21 |
비교예 5 | 7.2 | 84.3 | -0.28 | 1.38 | 0.40 |
Claims (14)
- 담체;상기 담체에 담지된 하기 화학식 1로 표현되는 화합물들 중 적어도 하나의 제1 메탈로센 화합물;상기 담체에 담지된 하기 화학식 2로 표현되는 화합물들 중 적어도 하나의 제2 메탈로센 화합물; 및상기 담체에 담지된 조촉매 화합물;을 포함하는 것을 특징으로 하는 혼성 메탈로센 담지 촉매:< 화학식 1 >상기 화학식 1에서, *-MX2-* 에서 M은 티타늄(Ti), 지르코늄(Zr) 또는 하프늄(Hf) 중 어느 하나이고, X는 할로겐, C1-10 알킬기, C2-10 알케닐기 중 하나이며, R1-*, R2-*, R3-*, R4-*, R5-*, R6-*, R7-*, R8-*, R9-*, R10-* 은 각각 독립적으로 H-*, C1-20 알킬기, C3-6 사이클로알킬기(cycloalkyl group) 및 C6-14 아릴기(aryl group) 중 하나이고,< 화학식 2 >상기 화학식 2에서, *-MX2-*에서 M은 티타늄(Ti), 지르코늄(Zr) 또는 하프늄(Hf) 중 어느 하나이고, X는 각각 독립적으로 할로겐, C1-10 알킬기, C2-10 알케닐기 중 어느 하나이며, Q는 탄소(C), 실리콘(Si), 게르마늄(Ge), 또는 주석(Sn) 중 어느 하나이고, R1-*, R2-*, R3-*, R4-*, R5-*, R6-*, R7-*, R8-*, R9-*, R10-*, R11-* 및 R12-* 는 각각 독립적으로 *-H, C1-20 알킬기, C3-6 사이클로알킬기(cycloalkyl group) 및 C6-14 아릴기(aryl group) 중 하나이며, R13-* 및 R14-*는 각각 독립적으로 C1-10 알킬기이다.
- 제1 항에 있어서,상기 화학식 1에서, Rm-* (m은 1 내지 10) 중에서, 인접한 두 개의 Rn-* 과 Rn+1-* (n은 1 내지 9)은 C1-4 알킬기가 치환 또는 비치환된 C1-15 단일 또는 다중 고리 화합물을 형성하고, 이 때, 상기 Rn-* 과 상기 Rn +1-* 을 제외한 나머지 Rm-*들은 각각 독립적으로 H-*, C1-20 알킬기, C3-6 사이클로알킬기, C6-14 아릴기 중 하나인 것을 특징으로 하는 혼성 메탈로센 담지 촉매.
- 제1 항에 있어서,상기 화학식 2에서, Rm-* (m은 1 내지 12) 중에서, 인접한 두 개의 Rn-* 과 Rn+1-* (n은 1 내지 11)은 C1-4 알킬기가 치환 또는 비치환된 C1-15 단일 또는 다중 고리 화합물을 형성하고, 상기 Rn-* 과 상기 Rn +1-* 를 제외한 나머지 Rm-*들은 각각 독립적으로 H-*, C1-20 알킬기, C3-6 사이클로알킬기, C6-14 아릴기 중 하나인 것을 특징으로 하는 혼성 메탈로센 담지 촉매.
- 제1 항에 있어서,상기 조촉매 화합물은, 하기 화학식 3으로 표현되는 화합물들 중 적어도 하나의 제1 조촉매 화합물과 하기 화학식 4로 표현되는 화합물들 중 적어도 하나의 제2 조촉매 화합물 중 적어도 하나인 것을 특징으로 하는 혼성 메탈로센 담지 촉매:< 화학식 3 >< 화학식 4 >상기 화학식 3 에서, Ra-*는 할로겐-*, 할로겐으로 치환 또는 비치환된 C1-20 알킬기, C3-6 사이클로알킬기, C6-14 아릴기이고. n은 2 이상의 정수이며,상기 화학식 4에서, D는 알루미늄 또는 보론이고, Rb-* 내지 Rd-*는 서로 같거나 상이하며, 각각 독립적으로 H-*, 할로겐-*, 또는 할로겐으로 치환 또는 비치환된 C1-20 알킬기, C3-6 사이클로알킬기, C6-14 아릴기이며, n은 2 이상의 정수이다.
- 제1 항에 있어서,상기 제1 메탈로센 화합물의 담지량과 상기 제2 메탈로센 화합물의 담지량의 총합은 상기 담체 1g을 기준으로 0.5 중량부 내지 3.0 중량부 이며, 상기 조촉매 화합물의 담지량은 상기 담체 1g을 기준으로 20 중량부 내지 30 중량부인 것을 특징으로 하는 혼성 메탈로센 담지 촉매.
- 제1 항 내지 제5 항 어느 한 항에 따른 혼성 메탈로센 담지 촉매의 존재 하에서 올레핀 단량체들을 중합하는 것을 포함하는 올레핀 중합체의 제조방법.
- 제6 항에 있어서,상기 올레핀 단량체는 에틸렌, 프로필렌, 1-부텐, 1-헥센 및 1-옥텐 중에서 선택되는 1종 이상인 것을 특징으로 하는 올레핀 중합체의 제조방법.
- 분자량 분포가 2 내지 5 이고, 중량평균분자량이 100×103 g/mol 내지 200×103 g/mol 이며, 상기 중량평균분자량의 측정값에 대해 190에서 측정된 용융강도 측정값의 비가 0.85×10-3 초과인 것을 특징으로 하는 올레핀 중합체.
- 제8 항에 있어서,상기 용융강도 측정값이 125 cN 이상인 것을 특징으로 하는 올레핀 중합체.
- 제8 항에 있어서,전단속도와 tanδ의 관계 그래프의 기울기가 0.1 rad/s 내지 100 rad/s 의 전단속도 범위에서 -0.20 이상인 것을 특징으로 하는 올레핀 중합체.
- 제8 항에 있어서,한 플롯의 기울기가 104 dyne/cm3 내지 106 dyne/cm3 의 손실 모듈러스 범위에서 1.24 이하인 것을 특징으로 하는 올레핀 중합체.
- 제8 항에 있어서,밀도가 0.920 kg/cm3 초과 내지 0.950 kg/cm3 미만인 것을 특징으로 하는 올레핀 중합체.
- 제8 항에 있어서,190에서 측정된 용융지수가 1.0 g/10min 초과 내지 1.5 g/10min 미만인 것을 특징으로 하는 올레핀 중합체.
- 제8 항에 있어서,21.6 kg의 하중에서 10 분간의 압출량을 2.16 kg의 하중에서 10 분간의 압출량으로 나눈 값이 20 초과 내지 40 미만인 것을 특징으로 하는 올레핀 중합체.
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- 2016-03-29 US US16/066,907 patent/US10934370B2/en active Active
- 2016-03-29 EP EP16881880.5A patent/EP3398976A4/en active Pending
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EP3398976A1 (en) | 2018-11-07 |
US20190023816A1 (en) | 2019-01-24 |
CN108431053B (zh) | 2021-03-30 |
JP7004656B2 (ja) | 2022-02-04 |
US10934370B2 (en) | 2021-03-02 |
JP2019500473A (ja) | 2019-01-10 |
KR101713065B1 (ko) | 2017-03-23 |
CN108431053A (zh) | 2018-08-21 |
EP3398976A4 (en) | 2020-02-26 |
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