JP5837424B2 - エチレンを重合するための多段階方法 - Google Patents
エチレンを重合するための多段階方法 Download PDFInfo
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- JP5837424B2 JP5837424B2 JP2011551457A JP2011551457A JP5837424B2 JP 5837424 B2 JP5837424 B2 JP 5837424B2 JP 2011551457 A JP2011551457 A JP 2011551457A JP 2011551457 A JP2011551457 A JP 2011551457A JP 5837424 B2 JP5837424 B2 JP 5837424B2
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- 238000000034 method Methods 0.000 title claims description 40
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims description 14
- 239000005977 Ethylene Substances 0.000 title claims description 14
- 230000000379 polymerizing effect Effects 0.000 title description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 29
- 239000003054 catalyst Substances 0.000 claims description 28
- 239000002002 slurry Substances 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 12
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 10
- 229910052753 mercury Inorganic materials 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 10
- 239000011949 solid catalyst Substances 0.000 claims description 7
- 238000004438 BET method Methods 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 239000003607 modifier Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229940126062 Compound A Drugs 0.000 claims 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 description 20
- 229910052739 hydrogen Inorganic materials 0.000 description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 18
- 229920000573 polyethylene Polymers 0.000 description 17
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 15
- 239000002245 particle Substances 0.000 description 14
- 150000003609 titanium compounds Chemical class 0.000 description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 13
- -1 polyethylene Polymers 0.000 description 13
- 239000004698 Polyethylene Substances 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 11
- 239000000725 suspension Substances 0.000 description 11
- 239000010936 titanium Substances 0.000 description 11
- 238000009826 distribution Methods 0.000 description 10
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 235000011147 magnesium chloride Nutrition 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 150000002431 hydrogen Chemical class 0.000 description 7
- 239000002609 medium Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000003085 diluting agent Substances 0.000 description 6
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical group CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910001629 magnesium chloride Inorganic materials 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- 229920001038 ethylene copolymer Polymers 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001282 iso-butane Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 230000002902 bimodal effect Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000002681 magnesium compounds Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 238000002083 X-ray spectrum Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- DKQVJMREABFYNT-UHFFFAOYSA-N ethene Chemical group C=C.C=C DKQVJMREABFYNT-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000037048 polymerization activity Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005563 spheronization Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/02—Ethene
-
- 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
-
- 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
- C08F2/00—Processes of polymerisation
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
-
- 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
- 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
-
- 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
- C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
- C08F4/652—Pretreating with metals or metal-containing compounds
- C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerization Catalysts (AREA)
Description
異なるエチレンポリマーフラクションにおけるこの分子量の差は、通常は重量平均分子量Mwによって評価される。
好ましくは、かかる固体触媒成分(A)は、30〜80m2/gの範囲のBET法によって測定される表面積を有することを特徴とする。
好ましい形態においては、本発明の触媒成分は、好ましくは二塩化マグネシウム、より好ましくは活性形態の二塩化マグネシウムである塩化マグネシウム上に担持されている少なくとも1つのTi−ハロゲン結合を有するTi化合物を含む。本出願の関連においては、塩化マグネシウムという用語は、少なくとも1つの塩化マグネシウム結合を有するマグネシウム化合物を意味する。
固体触媒成分の製造は、幾つかの方法にしたがって行うことができる。
説明したように、広い分子量のポリエチレンを製造するための本発明方法は、分子量調子剤の異なる量の下で行う少なくとも2つの重合段階を含む。述べたように、本方法は連続撹拌タンク反応器内又は液体充填ループ反応器内のいずれかで行うことができる。プロセス技術とは関係なく、水素が好ましい分子量調整剤である。
特性分析
以下の方法にしたがって特性を求めた:
密度:ISO−1183にしたがって23℃において測定した(g/cm3)。
・窒素による多孔度及び表面積:BET法(用いた装置はCarlo ErbaによるSORPTOMATIC 1900であった)にしたがって測定した。
Carlo Erbaによる「Porosimeter 2000シリーズ」を用いて測定を行った。
多孔度は、加圧下での水銀の吸収によって求めた。この測定のために、水銀貯留槽及び高真空ポンプ(1・10−2mbar)に接続した較正膨張計(直径3mm)CD3(Carlo Erba)を用いた。秤量量の試料を膨張計内に配置した。次に、装置を高真空(<0.1mmHg)下に配置し、これらの条件下に20分間保持した。次に、膨張計を水銀貯留槽に接続し、膨張計上の10cmの高さに印を付けたレベルに達するまで水銀をゆっくりとその中に流入させた。膨張計を真空ポンプに接続しているバルブを閉止し、次に窒素を用いて水銀圧を140kg/cm2まで徐々に増加させた。圧力の影響下において、水銀が細孔に侵入し、材料の多孔度にしたがってレベルが低下する。
・MIPフローインデックス:ASTM−D1238、条件P
・嵩密度:DIN−53194
実施例1
固体成分(A)の製造
球状MgCl2−EtOH付加体の製造:
USP−4,399,054の実施例2に記載の方法にしたがって、球状の形態及び約12μmの平均径を有する約3モルのアルコールを含む塩化マグネシウムとアルコールの付加体を調製した。
エチレンの重合
直列に接続した3つの連続撹拌反応器内において、連続プロセスでエチレンの重合を行った。上記に記載のようにして調製した触媒を14.3ミリモル/時の量で、懸濁媒体として十分なヘキサン、共触媒としてトリエチルアルミニウム、エチレン、及び水素と一緒に第1の反応器中に供給した。エチレンの量及び水素の量は、H2/C2比が3.78であるように設定した。第1の反応器内での重合は84℃の温度において行った。次に、第1の反応器からの懸濁液を第2の反応器に移した。ここでは、H2/C2比は0.13であり、再循環懸濁媒体中に溶解している物質を介して加えられる450g/時の1−ブテンも導入した。第2の反応器内での重合は85℃の温度において行った。第2の反応器からの懸濁液を更なる中間H2減圧を介して移した。更なる中間H2減圧により、第3の反応器内でのH2/C2比は0.001であった。また、第3の反応器内においては、3700g/時の量の1−ブテンを第3の反応器中に導入した。第3の反応器内での重合は85℃の温度において行った。第3の反応器から排出されるポリマー懸濁液から懸濁媒体を分離し、残りのポリマー粉末を乾燥し、ペレット化した。重合結果を表1に報告する。
実施例1に記載のようにして重合を行った。唯一の相違点は、触媒成分(A)が322m2/gのBET表面積を有する粒状触媒であることであった。重合結果を表1に報告する。
スラリー相で運転する重合プラント内で、実施例1に記載のようにして製造した触媒を試験した。プロセスの構成は直列に接続した2つのループ反応器から構成されていた。
Claims (3)
- 60〜120℃の範囲の温度において2以上の重合段階で行い、かかる2以上の重合段階の少なくとも2つを分子量調整剤の異なる濃度下で行い、(A)Ti、Mg、ハロゲンを含み、0.4〜1cm3/gの水銀法によって測定される1μm以下の半径を有する細孔による多孔度(PF)、100m2/gより低いBET法によって測定される表面積、及び8〜35μmの平均直径を有する固体触媒成分、及び(B)有機アルミニウム化合物を接触させることによって得られる生成物を含む触媒系の存在下で行う、25より大きいASTM−1238によるメルトフロー比F/Pを有するエチレンポリマーを製造するためのスラリー法。
- 2以上の連続撹拌タンク反応器内で行う、請求項1に記載のスラリー法。
- メルトフロー比F/Pが28を超える、請求項1に記載のスラリー法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09153872 | 2009-02-27 | ||
EP09153872.8 | 2009-02-27 | ||
US20953309P | 2009-03-06 | 2009-03-06 | |
US61/209,533 | 2009-03-06 | ||
PCT/EP2010/051844 WO2010097305A1 (en) | 2009-02-27 | 2010-02-15 | Multistage process for the polymerization of ethylene |
Related Child Applications (1)
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JP2015121731A Division JP6050436B2 (ja) | 2009-02-27 | 2015-06-17 | エチレンを重合するための多段階方法 |
Publications (3)
Publication Number | Publication Date |
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JP2012519217A JP2012519217A (ja) | 2012-08-23 |
JP2012519217A5 JP2012519217A5 (ja) | 2013-07-11 |
JP5837424B2 true JP5837424B2 (ja) | 2015-12-24 |
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JP2011551457A Active JP5837424B2 (ja) | 2009-02-27 | 2010-02-15 | エチレンを重合するための多段階方法 |
JP2015121731A Active JP6050436B2 (ja) | 2009-02-27 | 2015-06-17 | エチレンを重合するための多段階方法 |
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JP2015121731A Active JP6050436B2 (ja) | 2009-02-27 | 2015-06-17 | エチレンを重合するための多段階方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8557931B2 (ja) |
EP (1) | EP2401308B1 (ja) |
JP (2) | JP5837424B2 (ja) |
KR (1) | KR101711811B1 (ja) |
CN (1) | CN102333798B (ja) |
BR (1) | BRPI1008916B1 (ja) |
RU (1) | RU2522439C2 (ja) |
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US9447206B2 (en) * | 2006-03-30 | 2016-09-20 | Total Research & Technology Feluy | Process for the preparation of ethylene polymers using a number of reactors arranged in series |
US10138310B2 (en) * | 2010-08-24 | 2018-11-27 | Equistar Chemicals, Lp | Preparation of LLDPE resins and films having low gels |
DE102012109612A1 (de) | 2011-10-13 | 2013-04-18 | Samsung Electronics Co., Ltd. | Nichtflüchtige Speichervorrichtung, Programmierungsverfahren für nichtflüchtige Speichervorrichtungen und Speichersystem, das eine nichtflüchtiger Speichervorrichtung umfasst |
CN104507980B (zh) | 2012-07-27 | 2017-03-22 | 道达尔研究技术弗吕公司 | 用于制备聚乙烯树脂的方法 |
EP2746299A1 (en) | 2012-12-19 | 2014-06-25 | Basell Poliolefine Italia S.r.l. | Multistage process for the polymerization of ethylene |
FR3004849B1 (fr) * | 2013-04-23 | 2015-04-10 | Legrand France | Commutateur electrique a touche de commande monostable |
CN106574004B (zh) | 2014-08-14 | 2020-04-28 | 巴塞尔聚烯烃股份有限公司 | 具有高乙烯纯度的多反应器淤浆聚合工艺 |
KR101686178B1 (ko) * | 2014-11-25 | 2016-12-13 | 롯데케미칼 주식회사 | 높은 내환경 응력 균열성 및 우수한 가공성을 갖는 폴리올레핀 수지의 제조 방법 |
CN105985490A (zh) * | 2015-02-16 | 2016-10-05 | 中国石油天然气股份有限公司 | 耐热聚乙烯共聚物的制备方法及耐热聚乙烯共聚物、管材 |
BR102016009378B1 (pt) | 2016-04-27 | 2021-04-20 | Braskem S.A. | Catalisador heterogêneo de múltiplos sítios, e, processos de preparação do catalisador heterogêneo de múltiplos sítios e de obtenção de poliolefin |
EP3732215B8 (en) | 2017-12-26 | 2022-04-27 | Dow Global Technologies LLC | Dual reactor solution process for the production of multimodal ethylene-based polymer |
US11603452B2 (en) | 2017-12-26 | 2023-03-14 | Dow Global Technologies Llc | Multimodal ethylene-based polymer compositions having improved toughness |
ES2946586T3 (es) | 2017-12-26 | 2023-07-21 | Dow Global Technologies Llc | Procedimiento para la producción de polímeros a base de etileno multimodales |
EP3732212A1 (en) | 2017-12-26 | 2020-11-04 | Dow Global Technologies LLC | Multimodal ethylene-based polymer processing systems and methods |
JP7394056B2 (ja) | 2017-12-26 | 2023-12-07 | ダウ グローバル テクノロジーズ エルエルシー | マルチモーダルエチレン系ポリマーおよび低密度ポリエチレン(ldpe)を含む組成物 |
CN110016090A (zh) * | 2018-01-08 | 2019-07-16 | 李化毅 | 一种连续制备聚烯烃的方法及其制备得到的聚烯烃 |
CN115181202B (zh) * | 2021-04-02 | 2023-12-26 | 中国石油天然气股份有限公司 | 乙烯连续聚合方法 |
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US3953414A (en) * | 1972-09-13 | 1976-04-27 | Montecatini Edison S.P.A., | Catalysts for the polymerization of olefins to spherically shaped polymers |
IT969340B (it) * | 1972-09-13 | 1974-03-30 | Montedison Spa | Catalizzatori per la polimerizza zione delle olefine a polimeri in forma sferica |
GB1577512A (en) * | 1977-06-18 | 1980-10-22 | Nippon Oil Co Ltd | Olefin polymerization |
IT1096661B (it) | 1978-06-13 | 1985-08-26 | Montedison Spa | Procedimento per la preparazione di prodotti in forma sferoidale solidi a temperatura ambiente |
IT1098272B (it) | 1978-08-22 | 1985-09-07 | Montedison Spa | Componenti,di catalizzatori e catalizzatori per la polimerizzazione delle alfa-olefine |
CA1162700A (en) * | 1981-01-30 | 1984-02-21 | Kiyoshi Kawai | Process for producing ethylene polymers |
JPH078890B2 (ja) * | 1985-07-25 | 1995-02-01 | 三井石油化学工業株式会社 | オレフインの連続重合法 |
JPH06104693B2 (ja) * | 1986-01-06 | 1994-12-21 | 東邦チタニウム株式会社 | オレフイン類重合用触媒 |
FI80055C (fi) | 1986-06-09 | 1990-04-10 | Neste Oy | Foerfarande foer framstaellning av katalytkomponenter foer polymerisation av olefiner. |
IT1230134B (it) | 1989-04-28 | 1991-10-14 | Himont Inc | Componenti e catalizzatori per la polimerizzazione di olefine. |
JP2879347B2 (ja) | 1989-10-02 | 1999-04-05 | チッソ株式会社 | オレフィン重合用触媒の製法 |
IT1243188B (it) | 1990-08-01 | 1994-05-24 | Himont Inc | Composizioni poliolefiniche elastoplastiche |
IT1256648B (it) * | 1992-12-11 | 1995-12-12 | Montecatini Tecnologie Srl | Componenti e catalizzatori per la polimerizzazione delle olefine |
BE1007653A3 (fr) * | 1993-10-26 | 1995-09-05 | Fina Research | Procede de production de polyethylene ayant une distribution large de poids moleculaire. |
AU736901B2 (en) | 1997-03-29 | 2001-08-02 | Montell Technology Company B.V. | "Magnesium dichloride-alcohol adducts, process for their preparation and catalyst components obtained therefrom" |
ES2262131T3 (es) * | 2004-02-13 | 2006-11-16 | Total Petrochemicals Research Feluy | Tamaño de grano de catalizador. |
KR20090102802A (ko) * | 2006-12-20 | 2009-09-30 | 바셀 폴리올레핀 이탈리아 에스.알.엘 | 올레핀의 중합을 위한 촉매 성분 및 이로부터 수득된 촉매 |
US8071499B2 (en) * | 2006-12-22 | 2011-12-06 | Basell Poliolefine Italia S.R.L. | Catalyst components for the polymerization of olefins and catalysts therefrom obtained |
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WO2010097305A1 (en) | 2010-09-02 |
KR20110127667A (ko) | 2011-11-25 |
CN102333798B (zh) | 2014-06-04 |
JP2015206050A (ja) | 2015-11-19 |
EP2401308B1 (en) | 2020-03-25 |
BRPI1008916A2 (pt) | 2016-03-15 |
RU2522439C2 (ru) | 2014-07-10 |
CN102333798A (zh) | 2012-01-25 |
RU2011139324A (ru) | 2013-04-10 |
BRPI1008916B1 (pt) | 2020-08-25 |
US8557931B2 (en) | 2013-10-15 |
US20120010374A1 (en) | 2012-01-12 |
EP2401308A1 (en) | 2012-01-04 |
KR101711811B1 (ko) | 2017-03-03 |
JP6050436B2 (ja) | 2016-12-21 |
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