HU202256B - Process for producing polyethylene of wide or bimodal molekular mass-distribution - Google Patents
Process for producing polyethylene of wide or bimodal molekular mass-distribution Download PDFInfo
- Publication number
- HU202256B HU202256B HU885636A HU563688A HU202256B HU 202256 B HU202256 B HU 202256B HU 885636 A HU885636 A HU 885636A HU 563688 A HU563688 A HU 563688A HU 202256 B HU202256 B HU 202256B
- Authority
- HU
- Hungary
- Prior art keywords
- vanadium
- complex
- formula
- molecular weight
- compound
- Prior art date
Links
- -1 polyethylene Polymers 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 13
- 230000008569 process Effects 0.000 title claims description 12
- 238000009826 distribution Methods 0.000 title description 18
- 230000002902 bimodal effect Effects 0.000 title description 14
- 239000004698 Polyethylene Substances 0.000 title description 6
- 229920000573 polyethylene Polymers 0.000 title description 6
- 239000003054 catalyst Substances 0.000 claims description 31
- 229910052720 vanadium Inorganic materials 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 17
- 239000005977 Ethylene Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 16
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 14
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000003607 modifier Substances 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 8
- 239000002243 precursor Substances 0.000 claims description 6
- 239000007795 chemical reaction product Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 239000004711 α-olefin Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 150000003682 vanadium compounds Chemical class 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 2
- 150000004820 halides Chemical class 0.000 claims description 2
- 229920001519 homopolymer Polymers 0.000 claims description 2
- 229910052740 iodine Inorganic materials 0.000 claims description 2
- 239000011630 iodine Substances 0.000 claims description 2
- 229910021551 Vanadium(III) chloride Inorganic materials 0.000 claims 1
- 125000005843 halogen group Chemical group 0.000 claims 1
- HQYCOEXWFMFWLR-UHFFFAOYSA-K vanadium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[V+3] HQYCOEXWFMFWLR-UHFFFAOYSA-K 0.000 claims 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 30
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 14
- 239000001257 hydrogen Substances 0.000 description 13
- 229910052739 hydrogen Inorganic materials 0.000 description 13
- 238000006116 polymerization reaction Methods 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 229910052726 zirconium Inorganic materials 0.000 description 5
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 4
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229910052723 transition metal Inorganic materials 0.000 description 4
- 150000003624 transition metals Chemical class 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 3
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 3
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- ZMZGFLUUZLELNE-UHFFFAOYSA-N 2,3,5-triiodobenzoic acid Chemical compound OC(=O)C1=CC(I)=CC(I)=C1I ZMZGFLUUZLELNE-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- 102100035374 Dystrophia myotonica WD repeat-containing protein Human genes 0.000 description 2
- 101000804521 Homo sapiens Dystrophia myotonica WD repeat-containing protein Proteins 0.000 description 2
- 239000002879 Lewis base Substances 0.000 description 2
- 125000005234 alkyl aluminium group Chemical group 0.000 description 2
- 239000012018 catalyst precursor Substances 0.000 description 2
- HQWPLXHWEZZGKY-UHFFFAOYSA-N diethylzinc Chemical compound CC[Zn]CC HQWPLXHWEZZGKY-UHFFFAOYSA-N 0.000 description 2
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000007527 lewis bases Chemical class 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- ORYGRKHDLWYTKX-UHFFFAOYSA-N trihexylalumane Chemical compound CCCCCC[Al](CCCCCC)CCCCCC ORYGRKHDLWYTKX-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 125000005916 2-methylpentyl group Chemical group 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910007926 ZrCl Inorganic materials 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001649 bromium compounds Chemical class 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- QLLIVWGEMPGTMR-UHFFFAOYSA-N dihexyl(2-methylpropyl)alumane Chemical compound CCCCCC[Al](CC(C)C)CCCCCC QLLIVWGEMPGTMR-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000012685 gas phase polymerization Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- QEILTXGPELUNQS-UHFFFAOYSA-N hexyl-bis(2-methylpropyl)alumane Chemical compound CCCCCC[Al](CC(C)C)CC(C)C QEILTXGPELUNQS-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 150000004694 iodide salts Chemical class 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
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001542 size-exclusion chromatography Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- TYFTWYMXUWCOOB-UHFFFAOYSA-N tert-butyl 5-[[1-[(4-methyl-1-oxopentan-2-yl)amino]-1-oxopropan-2-yl]amino]-4-[[3-methyl-2-(phenylmethoxycarbonylamino)pentanoyl]amino]-5-oxopentanoate Chemical compound CC(C)CC(C=O)NC(=O)C(C)NC(=O)C(CCC(=O)OC(C)(C)C)NC(=O)C(C(C)CC)NC(=O)OCC1=CC=CC=C1 TYFTWYMXUWCOOB-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- WHRNULOCNSKMGB-UHFFFAOYSA-N tetrahydrofuran thf Chemical compound C1CCOC1.C1CCOC1 WHRNULOCNSKMGB-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- CNWZYDSEVLFSMS-UHFFFAOYSA-N tripropylalumane Chemical compound CCC[Al](CCC)CCC CNWZYDSEVLFSMS-UHFFFAOYSA-N 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 150000003681 vanadium Chemical class 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
- PFXYQVJESZAMSV-UHFFFAOYSA-K zirconium(iii) chloride Chemical compound Cl[Zr](Cl)Cl PFXYQVJESZAMSV-UHFFFAOYSA-K 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polyethers (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/114,040 US4918038A (en) | 1987-10-29 | 1987-10-29 | Process for the production of polyethylene with a broad and/or bimodal molecular weight distribution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HUT49633A HUT49633A (en) | 1989-10-30 |
| HU202256B true HU202256B (en) | 1991-02-28 |
Family
ID=22353036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU885636A HU202256B (en) | 1987-10-29 | 1988-10-28 | Process for producing polyethylene of wide or bimodal molekular mass-distribution |
Country Status (26)
| Country | Link |
|---|---|
| US (1) | US4918038A (en]) |
| EP (1) | EP0314165B1 (en]) |
| JP (1) | JPH0721025B2 (en]) |
| KR (1) | KR930008597B1 (en]) |
| CN (1) | CN1035298A (en]) |
| AR (1) | AR244246A1 (en]) |
| AT (1) | ATE66004T1 (en]) |
| AU (1) | AU605926B2 (en]) |
| BR (1) | BR8805553A (en]) |
| CA (1) | CA1327784C (en]) |
| CS (1) | CS275370B2 (en]) |
| DE (1) | DE3864117D1 (en]) |
| EG (1) | EG18861A (en]) |
| ES (1) | ES2024612B3 (en]) |
| FI (1) | FI884986A7 (en]) |
| GR (1) | GR3002439T3 (en]) |
| HU (1) | HU202256B (en]) |
| IN (1) | IN172067B (en]) |
| MY (1) | MY103632A (en]) |
| NO (1) | NO172443C (en]) |
| NZ (1) | NZ226766A (en]) |
| PH (1) | PH26294A (en]) |
| PL (1) | PL159271B1 (en]) |
| PT (1) | PT88879B (en]) |
| TR (1) | TR23815A (en]) |
| ZA (1) | ZA888126B (en]) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5070055A (en) * | 1990-06-29 | 1991-12-03 | Union Carbide Chemicals And Plastics Technology Corporation | Novel coimpregnated vanadium-zirconium catalyst for making polyethylene with broad or bimodal MW distribution |
| US6747113B1 (en) | 1991-01-18 | 2004-06-08 | The Dow Chemical Company | Silica supported transition metal catalyst |
| US6172173B1 (en) | 1991-01-18 | 2001-01-09 | The Dow Chemical Company | Silica supported transition metal catalyst |
| US5231151A (en) * | 1991-01-18 | 1993-07-27 | The Dow Chemical Company | Silica supported transition metal catalyst |
| US6316546B1 (en) * | 1991-03-06 | 2001-11-13 | Exxonmobil Oil Corporation | Ethylene polymer film resins |
| US6194520B1 (en) * | 1991-03-06 | 2001-02-27 | Mobil Oil Corporation | Ethylene polymer resins for blow molding applications |
| US5204304A (en) * | 1991-06-04 | 1993-04-20 | Quantum Chemical Corporation | Vanadium-containing polymerization catalyst |
| US5155079A (en) * | 1991-06-07 | 1992-10-13 | Quantum Chemical Corporation | Multiple site olefin polymerization catalysts |
| TR26714A (tr) * | 1991-07-17 | 1995-05-15 | Union Carbide Chem Plastic | GENIS VEYA CIFT DORUKLU MOLEKüL AGIRLIGI DAGILIMINA SAHIP POLIETILEN YAPMAYA MAHSUS YENI BIRLIKTE EMDIRILMIS VANADYUM-ZIRKONYUM KATALIZÖRü |
| US5231066A (en) * | 1991-09-11 | 1993-07-27 | Quantum Chemical Corporation | Bimodal silica gel, its preparation and use as a catalyst support |
| US5374597A (en) * | 1993-02-12 | 1994-12-20 | Quantum Chemical Corporation | Vanadium based olefin polymerization catalyst |
| US5399540A (en) * | 1993-02-12 | 1995-03-21 | Quantum Chemical Corporation | ZR/V multi-site olefin polymerization catalyst |
| US5405817A (en) * | 1993-02-12 | 1995-04-11 | Quantum Chemical Corporation | V/TI multi-site olefin polymerization catalyst |
| US5416053A (en) * | 1993-06-28 | 1995-05-16 | Union Carbide Chemicals & Plastics Technology Corporation | Homogenous polyethylenes and ethylene/propylene copolymers rubbers |
| WO1995011264A1 (en) * | 1993-10-21 | 1995-04-27 | Mobil Oil Corporation | Polyolefin blends of bimodal molecular weight distribution |
| US5614456A (en) * | 1993-11-15 | 1997-03-25 | Mobil Oil Corporation | Catalyst for bimodal molecular weight distribution ethylene polymers and copolymers |
| USD350020S (en) | 1994-01-19 | 1994-08-30 | Nike, Inc. | Heel insert for a shoe sole |
| US5442018A (en) * | 1994-04-01 | 1995-08-15 | Union Carbide Chemicals & Plastics Technology Corporation | Ethylene polymerization using a titanium and vanadium catalyst system in staged reactors |
| EP0692498A1 (en) * | 1994-07-13 | 1996-01-17 | Quantum Chemical Corporation | Vanadium-containing polymerization catalyst |
| US5534472A (en) * | 1995-03-29 | 1996-07-09 | Quantum Chemical Corporation | Vanadium-containing catalyst system |
| US5670439A (en) * | 1995-03-29 | 1997-09-23 | Quantum Chemical Corporation | Vanadium-containing catalyst system |
| US5882750A (en) * | 1995-07-03 | 1999-03-16 | Mobil Oil Corporation | Single reactor bimodal HMW-HDPE film resin with improved bubble stability |
| US6486089B1 (en) | 1995-11-09 | 2002-11-26 | Exxonmobil Oil Corporation | Bimetallic catalyst for ethylene polymerization reactions with uniform component distribution |
| NO960350A (no) | 1996-01-26 | 1997-04-28 | Borealis As | Fremgangsmåte og katalysatorsystem for polymerisering av etylen, eventuelt sammen med <alfa>-olefiner, og fremstilt polymermateriale |
| US6417130B1 (en) | 1996-03-25 | 2002-07-09 | Exxonmobil Oil Corporation | One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerization |
| EP0912244A4 (en) * | 1996-07-15 | 2001-09-12 | Mobil Oil Corp | COMIMONED BIMETALLIC CATALYST FOR BLOW MOLDING AND FILMS |
| US6153551A (en) | 1997-07-14 | 2000-11-28 | Mobil Oil Corporation | Preparation of supported catalyst using trialkylaluminum-metallocene contact products |
| US6051525A (en) * | 1997-07-14 | 2000-04-18 | Mobil Corporation | Catalyst for the manufacture of polyethylene with a broad or bimodal molecular weight distribution |
| CN1118488C (zh) * | 1999-02-14 | 2003-08-20 | 中国石油化工集团公司北京化工研究院 | 用于乙烯聚合或共聚合的催化剂及其制法和该催化剂的应用 |
| US6388017B1 (en) * | 2000-05-24 | 2002-05-14 | Phillips Petroleum Company | Process for producing a polymer composition |
| US6462149B1 (en) * | 2000-09-22 | 2002-10-08 | Union Carbide Chemicals & Plastics Technology Corporation | Control of resin split in single-reactor manufacture of bimodal polyolefins |
| CA2465647C (en) * | 2001-11-30 | 2010-12-14 | Exxonmobil Chemical Patents, Inc. | Ethylene/alpha-olefin copolymer made with a non-single-site/single-site catalyst combination, its preparation and use |
| CN1938341B (zh) * | 2004-04-07 | 2011-08-10 | 尤尼威蒂恩技术有限责任公司 | 控制烯烃聚合的方法 |
| US20050228150A1 (en) * | 2004-04-13 | 2005-10-13 | Union Carbide Chemicals & Plastics Technology Corporation | Use of instantaneous split to improve reactor control |
| ITMI20041070A1 (it) * | 2004-05-27 | 2004-08-27 | Polimeri Europa Spa | Promotori clorurati per catalissatori di polimerizzazione a base di vanadio |
| EP1803747A1 (en) | 2005-12-30 | 2007-07-04 | Borealis Technology Oy | Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films |
| KR100718022B1 (ko) * | 2006-04-25 | 2007-05-14 | 한화석유화학 주식회사 | 트리 내성 가교 폴리올레핀 조성물 |
| CN102257017B (zh) | 2008-12-18 | 2014-02-12 | 尤尼威蒂恩技术有限责任公司 | 用于聚合反应种子床处理的方法 |
| CN104918947A (zh) | 2012-12-28 | 2015-09-16 | 尤尼威蒂恩技术有限责任公司 | 将铝氧烷的生产整合到催化剂生产中的方法 |
| CA2943378C (en) | 2014-04-02 | 2023-09-12 | Univation Technologies, Llc | Continuity compositions and methods of making and using the same |
| SG11201707037TA (en) | 2015-03-10 | 2017-09-28 | Univation Tech Llc | Spray dried catalyst compositions, methods for preparation and use in olefin polymerization processes |
| CN107531840B (zh) | 2015-04-27 | 2022-11-18 | 尤尼威蒂恩技术有限责任公司 | 具有改进流动特性的负载型催化剂组合物及其制备 |
| US12098739B1 (en) * | 2024-02-21 | 2024-09-24 | Henry Wang | Clamp assembly |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1542970A (fr) * | 1966-10-20 | 1968-10-18 | Scholven Chemie Ag | Procédé pour la polymérisation des oléfines |
| IT1037112B (it) * | 1975-03-28 | 1979-11-10 | Montedison Spa | Catalizzatori per la polimerizzazione delle olfine |
| US4174429A (en) * | 1975-03-28 | 1979-11-13 | Montedison S.P.A. | Process for polymerizing olefins |
| US4397761A (en) * | 1980-12-31 | 1983-08-09 | Phillips Petroleum Company | Phosphate containing support for vanadium catalyst |
| IL71356A (en) * | 1983-03-29 | 1987-07-31 | Union Carbide Corp | Process for producing polyethylene,a supported vanadium catalyst precursor therefor and a catalyst composition containing said supported precursor |
| US4508842A (en) * | 1983-03-29 | 1985-04-02 | Union Carbide Corporation | Ethylene polymerization using supported vanadium catalyst |
| US4607019A (en) * | 1984-12-12 | 1986-08-19 | Exxon Research & Engineering Co. | Polymerization catalyst, production and use |
| FR2574801A1 (fr) * | 1984-12-14 | 1986-06-20 | Exxon Research Engineering Co | Procede a une seule etape pour la production de copolymeres d'ethylene a distribution bimodale de poids moleculaire |
| MA21070A1 (fr) * | 1986-09-30 | 1988-04-01 | Union Carbide Corp | Catalyseur de polymerisation de l'ethytene . |
-
1987
- 1987-10-29 US US07/114,040 patent/US4918038A/en not_active Expired - Fee Related
-
1988
- 1988-10-27 PH PH37739D patent/PH26294A/en unknown
- 1988-10-27 BR BR8805553A patent/BR8805553A/pt not_active Application Discontinuation
- 1988-10-27 CS CS887116A patent/CS275370B2/cs unknown
- 1988-10-28 ZA ZA888126A patent/ZA888126B/xx unknown
- 1988-10-28 CN CN88108411A patent/CN1035298A/zh active Pending
- 1988-10-28 DE DE8888118003T patent/DE3864117D1/de not_active Expired - Lifetime
- 1988-10-28 AR AR88312330A patent/AR244246A1/es active
- 1988-10-28 HU HU885636A patent/HU202256B/hu not_active IP Right Cessation
- 1988-10-28 IN IN753/MAS/88A patent/IN172067B/en unknown
- 1988-10-28 KR KR1019880014077A patent/KR930008597B1/ko not_active Expired - Fee Related
- 1988-10-28 FI FI884986A patent/FI884986A7/fi not_active Application Discontinuation
- 1988-10-28 AU AU24420/88A patent/AU605926B2/en not_active Ceased
- 1988-10-28 AT AT88118003T patent/ATE66004T1/de not_active IP Right Cessation
- 1988-10-28 EP EP88118003A patent/EP0314165B1/en not_active Expired - Lifetime
- 1988-10-28 NZ NZ226766A patent/NZ226766A/xx unknown
- 1988-10-28 NO NO884814A patent/NO172443C/no unknown
- 1988-10-28 PL PL1988275557A patent/PL159271B1/pl unknown
- 1988-10-28 JP JP63271069A patent/JPH0721025B2/ja not_active Expired - Lifetime
- 1988-10-28 ES ES88118003T patent/ES2024612B3/es not_active Expired - Lifetime
- 1988-10-28 PT PT88879A patent/PT88879B/pt not_active IP Right Cessation
- 1988-10-28 CA CA000581599A patent/CA1327784C/en not_active Expired - Fee Related
- 1988-10-28 MY MYPI88001232A patent/MY103632A/en unknown
- 1988-10-30 EG EG55888A patent/EG18861A/xx active
- 1988-10-31 TR TR88/0773A patent/TR23815A/xx unknown
-
1991
- 1991-08-08 GR GR91400277T patent/GR3002439T3/el unknown
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