WO2014139062A1 - 一种烯烃聚合催化剂及制备方法 - Google Patents
一种烯烃聚合催化剂及制备方法 Download PDFInfo
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- WO2014139062A1 WO2014139062A1 PCT/CN2013/000838 CN2013000838W WO2014139062A1 WO 2014139062 A1 WO2014139062 A1 WO 2014139062A1 CN 2013000838 W CN2013000838 W CN 2013000838W WO 2014139062 A1 WO2014139062 A1 WO 2014139062A1
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- compound
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- olefin polymerization
- polymerization catalyst
- magnesium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
Definitions
- Olefin polymerization catalyst and preparation method thereof are Olefin polymerization catalyst and preparation method thereof.
- the present invention is in the field of olefin polymerization catalysts and olefin polymerization, and specifically relates to a catalyst for ethylene polymerization or a copolymerization of ethylene and an a-olefin, and a catalyst preparation method.
- Olefin polymerization catalysts are at the heart of polyolefin polymerization technology.
- the Ziegler-Natta catalyst has been in existence for nearly 60 years.
- polyolefin catalysts such as metallocene and non-metallocene have appeared, there are many industrialization problems, such as expensive catalysts and difficult to solve the loading problem. Therefore, in terms of current industrial production and market share, the traditional Z-N catalyst will remain the absolute leader in the field of olefin polymerization for some time to come.
- Z-N catalyst products at home and abroad have emerged in an endless stream, and catalyst stability and polymerization catalytic activity have also been continuously improved.
- Patent CN101857650 discloses a preparation method of a simple spherical polyolefin catalyst carrier, specifically, dissolving anhydrous magnesium halide in tetrahydrofuran to form a solution, using glycol ether as a precipitating agent, and slowly dropping glycol ether into magnesium oxide.
- the mixture is kept at a high speed, the obtained system is allowed to stand for stratification, the bottom layer precipitate is separated and washed, and the resulting precipitate is soaked with a chloride or an aluminum alkyl solution, and then the precipitate is separated, and washed with a hydrazine hydrocarbon to obtain a spherical catalyst carrier.
- such carriers have a lower amount of titanium.
- Patent CN 1097426 A discloses a catalyst preparation method which firstly reacts with a magnesium chloride to prepare a support, and then carries titanium to form a catalyst.
- the catalyst prepared by the method has a spherical shape, a low content of fine powder of the polymer, and a low content of large particles, but the catalyst is active. Low sex.
- Patent CN101096389A reports an ethylene polymerization catalyst which uses silicon halide as a precipitating agent for magnesium chloride. Although the problem of bulk density and fine powder content of the polymer is solved, the titanium loading and activity of the catalyst are low.
- Patent CN102558403A reports an ethylene polymerization catalyst which incorporates silicon oxyhydroxide as an electron donor.
- the addition of an organic alcohol ether as a morphological repair agent improves the morphology of the catalyst.
- the catalyst has a uniform particle size distribution and high activity. The obtained polymer The fine powder content is low.
- the patent discloses that during the preparation of the catalyst, the transition metal active center and the electron donor can be simultaneously formed during the precipitation of the carrier and supported on the support in situ.
- the alcohol in the dissolution system reacts with the organosilicon compound to form an electron donor in situ, and the metalate compound and the organosilicon compound form a transition metal active site in situ.
- the main catalyst particles prepared by the invention have good morphology, the catalyst particles are spherical, the loading is high, the activity is high, and the catalyst does not fall off from the carrier.
- the prepared polyethylene has a high bulk density and a low fine powder content. Suitable for slurry polymerization processes, gas phase polymerization processes or combination polymerization processes.
- An object of the present invention is to provide a catalyst component for ethylene polymerization or copolymerization of ethylene and an ⁇ -olefin having high catalytic activity and a process for producing the same.
- the ethylene polymerization catalyst provided by the present invention is composed of a main catalyst and a cocatalyst; wherein the main catalyst is composed of a magnesium compound, a transition metal halide, a silicon halide compound, an organic alcohol compound, a metal acid ester, and an organic alcohol ether compound.
- the main catalyst is mainly composed of a carrier and a transition metal halide, and the carrier is formed by a chloride precipitation method, and the transition metal halide is formed by reacting a titanate with a silicon halide.
- the molar ratio of the magnesium compound, the transition metal halide, the silicon halide compound, the organic alcohol compound, and the metal acid ester is 1: (0.1-30): (0.1-20): (0.5-10): (0.01 -10); halogenation
- the mass ratio of magnesium to the organic alcohol ether compound is: 100: 0.1-20;
- the cocatalyst is an organoaluminum compound; the relationship between the amount of the main catalyst and the cocatalyst is: main catalysis
- the molar ratio of transition metal halide to cocatalyst in the agent is from 1:30 to 500.
- the magnesium compound carrier is at least one selected from the group consisting of compounds of the formula (1) of Mg(R) a X b .
- R is selected from the group consisting of an aliphatic hydrocarbon group of ( ⁇ ., a fatty decyloxy group of -C 2 , an alicyclic group of C 3 ⁇ C 20 or an aromatic hydrocarbon group of C 6 ⁇ 2 2 ;
- the transition metal halide is selected from at least one of the compounds of the formula (2) which is M(Ri) 4 _ m X m , wherein M is a transition metal selected from the group consisting of Ti, Zr, Hf; X is a halogen atom; m is an integer of 1 to 4; R 1 is selected from the group consisting of an aliphatic hydrocarbon group of CC ⁇ , a fatty alkoxy group of C ⁇ , a cyclopentadienyl group of ( ⁇ 2() , and a derivative thereof, .
- R 1 may be specifically selected from the group consisting of: methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, decyl, decyl, isobutyl, tert-butyl, isopentyl, uncle Pentyl, 2-ethylhexyl, phenyl, naphthyl, o-methylphenyl, m-methylphenyl, p-methylphenyl, o-sulfonylphenyl, formyl, acetyl or At least one of a benzoyl group, etc.
- the transition metal halide may specifically be selected from titanium tetrachloride, titanium tetrabromide, titanium tetraiodide, zirconium tetrachloride, zirconium tetrabromide, hafnium tetrachloride, Monochlorotriethoxytitanium, dichlorodiethoxy Titanium, trichloro-ethoxytitanium, methoxytitanium trichloride, dibutoxytitanium dichloride, tributoxytitanium chloride, monochlorotriphenyloxytitanium, dichlorodiphenoxytitanium And a mixture of one or more of trichloro-phenoxytitanium.
- titanium tetrachloride is preferred.
- the molar ratio of the transition metal halide to the magnesium halide is preferably (1 - 30): 1.
- One of the features of the present invention is to add a halogenated organosilicon compound as a precipitant for magnesium halide during the preparation of the main catalyst.
- the halogenated organosilicon compound is selected from the group consisting of compounds of the formula Si (R 2 ⁇ n X n ) At least one of them.
- X is a halogen atom;
- n is an integer of 1 to 4;
- R 2 is selected from the group consisting of an aliphatic hydrocarbon group of ( ⁇ 0: 2() , a fatty methoxy group of ⁇ C 2Q , a ring of C 3 ⁇ C 2 () .
- C 6 ⁇ C 2 is an aromatic hydrocarbon group, C 6 ⁇ C 2 embankment aromatic group selected from the specific R 2: methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl Base, octyl, decyl, decyl, isobutyl, tert-butyl, isopentyl, tert-amyl, 2-ethylhexyl, methoxy, ethoxy, propoxy, butoxy, benzene At least one of a group, a naphthyl group, an o-methylphenyl group, a m-methylphenyl group, a p-methylphenyl group, etc.
- a compound which can be used is, for example, silicon tetrachloride, silicon tetrabromide, or the like.
- the group is preferably ethoxylated silicon chloride, diethyl monoethoxy silicon chloride, diphenyl monomethoxy silicon chloride, etc., and silicon tetrachloride or diphenyl silicon dichloride is preferred in the present invention.
- the molar ratio of the organosilicon compound to the magnesium halide is preferably (1-20) 1
- One of the features of the present invention is the addition of an organic alcohol compound or a mixture thereof during the preparation of the main catalyst.
- the organic alcohol compound of the present invention is selected from one of C 2 - C 15 fatty alcohol, C 3 - C 15 alicyclic alcohol or C 6 - C 15 aromatic alcohol or a mixture thereof.
- These include: ethanol, ethylene glycol, propanol, isopropanol, butanol, isobutanol, 1, 3-propanediol, glycerol, hexanol, 2-methylpentanol, 2-ethylbutanol, N-heptanol, 2-ethylhexanol, n-octanol, nonanol, sorbitol, cyclohexanol, methylcyclohexanol, decyl alcohol, methyl sterol, isopropyl sterol, and the like.
- a fatty alcohol is preferable, and one of ethanol, butanol, 2-ethylhexanol or glycerin or a mixture thereof is particularly preferable.
- the molar ratio of the organic alcohol compound to the magnesium halide is preferably (1-10): 1.
- One of the features of the present invention is the addition of a metal ester compound during the preparation of the main catalyst.
- the metal ester compound is selected from at least one of the compounds of the formula M(R 3 ) 4 .
- M is a transition metal selected from Ti, Zr, Hf
- R 3 is selected from ( ⁇ ⁇ (: 2 fat alkoxy, ⁇ ⁇ (: 2 () phenoxy particular aromatic compound. Selected from: tetraethoxy titanium, tetra-n-propoxy titanium, Titanium tetraisopropoxide, titanium tetra-n-butoxide, titanium tetrahexoxide, zirconium tetrabutoxide, zirconium tetraethoxide, and the like. Titanium tetrabutoxide is preferred.
- the molar ratio of the metal acid ester to the magnesium halide is preferably (0.1 - 10 1).
- the organic alcohol ether compound is characterized in that the terminal group contains a hydroxyl group, as represented by the formula (3): the formula (3): HO(CH 2 CH 2 0)i(CH 2 ) g R 4 , wherein , f is an integer of from 2 to 20, g is an integer of 1 to 10; R 4 is selected from (:, ⁇ (3 () aliphatic hydrocarbon group, cycloalkyl group of C 3 ⁇ C 3Q, C 6 ⁇ C 3 a.
- An aromatic hydrocarbon group, a heterocyclic fluorenyl group of C 2 ⁇ C 3Q specifically selected from the group consisting of diethylene glycol diethyl ether, diethylene glycol butyl ether, diethylene glycol monobutyl ether, triethylene glycol monoethyl ether, diethylene glycol monoallyl Ether, triethylene glycol monoisopropyl ether, triethylene glycol monobutyl ether, 2-(2-(2-cyclopentylethoxy)ethoxy)ethanol, diethylene glycol ethylcyclopentadienyl Ether, triethylene glycol propyl cyclohexyl ether, diethylene glycol phenyl ether, triethylene glycol furyl ether, triethylene glycol pyridyl isopropyl ether.
- the mass ratio of magnesium halide to organic alcohol ether compound is: 100: 0. 1 - 20.
- One of the features of the present invention is to provide a process for preparing an ethylene polymerization catalyst comprising the following steps:
- the temperature is 0. 5_3h.
- the reaction is carried out at a temperature of 0. 5_3h.
- the reaction is carried out at a temperature of 40-110 ° C, the reaction is 0. 5-5 hours.
- step 3 The system obtained in step 3) is contacted with a transition metal halide, the reaction is 0. 5- 5h.
- the temperature of the system is raised to 20-150 ° C, and the reaction is 0.5-5 h. During the heating process, the solid matter gradually precipitates and forms particles.
- the reaction is finished, it is allowed to stand, filtered, and washed with toluene or n-hexane for 4-6 times. Vacuum drying to obtain a main catalyst.
- the organic solvent is selected from the group consisting of toluene, xylene, hexane, heptane, octane or decane, or a mixed solvent thereof, preferably toluene, hexanyl, hydrazine or hydrazine.
- the ethylene polymerization catalyst provided by the present invention also needs to have a cocatalyst organoaluminum compound composition.
- the cocatalyst organoaluminum compound is selected from a mixture of one or two of the compounds of the formula Al(R 5 ) y X ⁇ y wherein R 5 is hydrogen or a hydrocarbon group having 1 to 20 carbon atoms. Or an alkoxy group, X is a halogen, and y is an integer of 0 ⁇ y ⁇ 3.
- the temperature was lowered to -20 ° C, 6 ml of phenyl trichloride was added dropwise, and after the addition was completed, the temperature was raised to 60 ° C for 2 h to obtain a milky white turbid liquid.
- the temperature was lowered to -25 V, 20 ml of titanium tetrachloride was added dropwise, and the reaction was carried out for 1 h, and the temperature was raised to 120 ° C for 2 h.
- the stirring was stopped, the suspension was allowed to stand, the layers were separated, the supernatant was filtered off, washed four times with n-hexane, and vacuum-dried to obtain a main catalyst component having a good fluidity and a narrow particle size distribution.
- Example 14 1) Preparation of a main catalyst: In a reactor sufficiently substituted with nitrogen, 1 g of magnesium dichloride, 20 ml of hydrazine, 6 ml of 2-ethylhexanol, 0.5 ml of propanol, and the temperature were raised to 120 ° C with stirring. Constant temperature 3 h; then add 6.8 ml of titanium tetrabutoxide, diethylene glycol propyl ether 0.5 ml, and react at 60 °C for 3 h.
- the temperature was lowered to -30 ° C, and 20 ml of dimethyl-ethoxylated silicon chloride was added dropwise. After the dropwise addition, the temperature was raised to 80 ° C for 2 h to obtain a milky white turbid liquid. After cooling to 10 °C, 20 ml of titanium tetrachloride was added dropwise, and the reaction was carried out for 1 h, and the temperature was raised to 80 ° C for 3 h. The stirring was stopped, the suspension was allowed to stand, the layers were separated, and the supernatant liquid was filtered off, washed four times with n-hexane, and vacuum-dried to obtain a main catalyst component having a good fluidity and a narrow particle size distribution.
- the ethylene catalyst provided by the present invention can be used as a catalyst for ethylene polymerization or copolymerization of ethylene and a comonomer, wherein the comonomer is preferably propylene, 1-butene, 1-pentene, 1-hexene,
- the ethylene polymerization catalyst provided by the invention has good particle morphology and high bulk density; high catalyst activity, high a-olefin insertion rate when copolymerizing ethylene and ⁇ -olefin; suitable for slurry method, gas phase polymerization process or combined polymerization Process.
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JP2015560506A JP6089123B2 (ja) | 2013-03-13 | 2013-07-11 | オレフィン重合触媒及び製造方法 |
DE112013006813.3T DE112013006813B4 (de) | 2013-03-13 | 2013-07-11 | Olefinpolymerisationskatalysator und sein Herstellungsverfahren |
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CN201310079097.5 | 2013-03-13 | ||
CN2013100790975A CN103183754A (zh) | 2013-03-13 | 2013-03-13 | 一种烯烃聚合催化剂及制备方法 |
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CN (1) | CN103183754A (zh) |
DE (1) | DE112013006813B4 (zh) |
WO (1) | WO2014139062A1 (zh) |
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CN103183754A (zh) * | 2013-03-13 | 2013-07-03 | 中国石油天然气股份有限公司 | 一种烯烃聚合催化剂及制备方法 |
CN105440178B (zh) * | 2014-09-28 | 2018-03-02 | 中国石油化工股份有限公司 | 一种烯烃聚合催化剂及其制备方法和烯烃聚合的方法 |
CN106519084B (zh) * | 2015-09-15 | 2019-02-15 | 中国石油天然气股份有限公司 | 烯烃聚合催化剂用主催化剂及其制备方法与烯烃聚合催化剂 |
EP3805277A1 (en) * | 2016-06-30 | 2021-04-14 | Dow Global Technologies LLC | Procatalyst compositions useful for low comonomer incorporation and process for preparing the same |
CN106905452B (zh) * | 2017-01-07 | 2019-12-24 | 北京化工大学 | α-烯烃聚合催化剂及制备方法与应用 |
KR102467586B1 (ko) * | 2017-11-17 | 2022-11-15 | 롯데케미칼 주식회사 | 폴리에틸렌 합성용 촉매의 제조방법 및 이를 이용한 폴리에틸렌의 제조방법 |
KR102467604B1 (ko) * | 2017-11-22 | 2022-11-15 | 롯데케미칼 주식회사 | 담체 입자의 제조방법 |
CN115246904A (zh) * | 2021-04-26 | 2022-10-28 | 中国石油天然气股份有限公司 | 用于溶液法乙烯聚合的主催化剂组份及其制备方法、催化剂体系及其应用 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102358761A (zh) * | 2011-08-04 | 2012-02-22 | 北京化工大学 | 烯烃聚合催化剂及制备方法 |
CN102492061A (zh) * | 2011-11-26 | 2012-06-13 | 北京化工大学 | 烯烃聚合催化剂及制备方法和应用 |
CN102558404A (zh) * | 2011-12-15 | 2012-07-11 | 中国石油天然气股份有限公司 | 一种多元醇醚聚烯烃催化剂及其制备和应用 |
CN102875704A (zh) * | 2012-09-05 | 2013-01-16 | 中国石油天然气股份有限公司 | 一种烯烃聚合催化剂及其制备方法与应用 |
CN103183754A (zh) * | 2013-03-13 | 2013-07-03 | 中国石油天然气股份有限公司 | 一种烯烃聚合催化剂及制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6081208A (ja) * | 1983-10-08 | 1985-05-09 | Chisso Corp | α−オレフイン重合体を製造する方法 |
JPH04218507A (ja) * | 1990-04-13 | 1992-08-10 | Mitsui Petrochem Ind Ltd | オレフィン重合用固体状チタン触媒成分、オレフィン重合用触媒およびオレフィンの重合方法 |
ES2120534T3 (es) | 1993-04-29 | 1998-11-01 | Ticona Gmbh | Procedimiento para la fabricacion de un sistema de catalizador para la polimerizacion y copolimerizacion de etileno en homopolimeros y copolimeros de etileno de molecula ultraelevada. |
US6231804B1 (en) * | 1997-04-02 | 2001-05-15 | Chisso Corporation | Modified olefin (co)polymer composition, process for preparing the same, and modified olefin (co)polymer composition molding |
JP3734061B2 (ja) * | 1997-04-02 | 2006-01-11 | チッソ株式会社 | 改質オレフィン(共)重合体組成物とその製造方法及び改質オレフィン(共)重合体組成物成形品 |
US6800580B1 (en) | 1999-10-23 | 2004-10-05 | Samsung General Chemicals Co., Ltd. | Method for producing an improved catalyst for homo-and co-polymerization of olefin |
CN101096389B (zh) | 2007-06-22 | 2010-05-19 | 上海化工研究院 | 一种超高分子量聚乙烯催化剂及其制备方法 |
CN101857650B (zh) | 2010-06-02 | 2013-05-22 | 金发科技股份有限公司 | 一种聚烯烃催化剂球形载体的制备方法 |
CN102558403B (zh) | 2011-12-15 | 2014-08-06 | 中国石油天然气股份有限公司 | 一种二元醇醚聚烯烃催化剂及其制备和应用 |
-
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- 2013-07-11 WO PCT/CN2013/000838 patent/WO2014139062A1/zh active Application Filing
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102358761A (zh) * | 2011-08-04 | 2012-02-22 | 北京化工大学 | 烯烃聚合催化剂及制备方法 |
CN102492061A (zh) * | 2011-11-26 | 2012-06-13 | 北京化工大学 | 烯烃聚合催化剂及制备方法和应用 |
CN102558404A (zh) * | 2011-12-15 | 2012-07-11 | 中国石油天然气股份有限公司 | 一种多元醇醚聚烯烃催化剂及其制备和应用 |
CN102875704A (zh) * | 2012-09-05 | 2013-01-16 | 中国石油天然气股份有限公司 | 一种烯烃聚合催化剂及其制备方法与应用 |
CN103183754A (zh) * | 2013-03-13 | 2013-07-03 | 中国石油天然气股份有限公司 | 一种烯烃聚合催化剂及制备方法 |
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DE112013006813B4 (de) | 2020-08-06 |
DE112013006813T5 (de) | 2015-12-10 |
JP6089123B2 (ja) | 2017-03-01 |
CN103183754A (zh) | 2013-07-03 |
JP2016513739A (ja) | 2016-05-16 |
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