CA1098106A - Preparation of modified and activated chromocene catalysts for ethylene polymerization - Google Patents
Preparation of modified and activated chromocene catalysts for ethylene polymerizationInfo
- Publication number
- CA1098106A CA1098106A CA286,021A CA286021A CA1098106A CA 1098106 A CA1098106 A CA 1098106A CA 286021 A CA286021 A CA 286021A CA 1098106 A CA1098106 A CA 1098106A
- Authority
- CA
- Canada
- Prior art keywords
- hydrocarbon
- weight
- compound
- catalyst
- titanium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 46
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000005977 Ethylene Substances 0.000 title claims abstract description 20
- 238000006116 polymerization reaction Methods 0.000 title claims description 9
- 238000002360 preparation method Methods 0.000 title description 9
- WVBBLFIICUWMEM-UHFFFAOYSA-N chromocene Chemical class [Cr+2].C1=CC=[C-][CH]1.C1=CC=[C-][CH]1 WVBBLFIICUWMEM-UHFFFAOYSA-N 0.000 title description 7
- 238000000034 method Methods 0.000 claims abstract description 28
- -1 chromocene compound Chemical class 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 150000003609 titanium compounds Chemical class 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 239000002685 polymerization catalyst Substances 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 32
- 229930195733 hydrocarbon Natural products 0.000 claims description 21
- 239000004215 Carbon black (E152) Substances 0.000 claims description 20
- 150000002430 hydrocarbons Chemical class 0.000 claims description 18
- 239000011651 chromium Substances 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 16
- 239000010936 titanium Substances 0.000 claims description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 14
- 229910052719 titanium Inorganic materials 0.000 claims description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 12
- 229910052804 chromium Inorganic materials 0.000 claims description 12
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 238000004334 fluoridation Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- TYYBBNOTQFVVKN-UHFFFAOYSA-N chromium(2+);cyclopenta-1,3-diene Chemical compound [Cr+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 TYYBBNOTQFVVKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims description 5
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 125000006539 C12 alkyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 2
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 claims description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 claims description 2
- 229910004074 SiF6 Inorganic materials 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 abstract description 9
- 239000004698 Polyethylene Substances 0.000 abstract description 4
- 238000000151 deposition Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000003213 activating effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 8
- 230000004913 activation Effects 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 239000000155 melt Substances 0.000 description 6
- 150000001845 chromium compounds Chemical class 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- AHXGRMIPHCAXFP-UHFFFAOYSA-L chromyl dichloride Chemical compound Cl[Cr](Cl)(=O)=O AHXGRMIPHCAXFP-UHFFFAOYSA-L 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- LXPCOISGJFXEJE-UHFFFAOYSA-N oxifentorex Chemical compound C=1C=CC=CC=1C[N+](C)([O-])C(C)CC1=CC=CC=C1 LXPCOISGJFXEJE-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 102100021257 Beta-secretase 1 Human genes 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- CYHOFESITORDDD-UHFFFAOYSA-M C(CCC)O[Cr](=O)(=O)O Chemical group C(CCC)O[Cr](=O)(=O)O CYHOFESITORDDD-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 101000894895 Homo sapiens Beta-secretase 1 Proteins 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 1
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- NMGYKLMMQCTUGI-UHFFFAOYSA-J diazanium;titanium(4+);hexafluoride Chemical compound [NH4+].[NH4+].[F-].[F-].[F-].[F-].[F-].[F-].[Ti+4] NMGYKLMMQCTUGI-UHFFFAOYSA-J 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011363 dried mixture Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 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
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene 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
- 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)
- Polymerization Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US725,542 | 1976-09-22 | ||
| US05/725,542 US4101445A (en) | 1976-09-22 | 1976-09-22 | Preparation of modified and activated chromocene catalysts for ethylene polymerization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1098106A true CA1098106A (en) | 1981-03-24 |
Family
ID=24914969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA286,021A Expired CA1098106A (en) | 1976-09-22 | 1977-09-02 | Preparation of modified and activated chromocene catalysts for ethylene polymerization |
Country Status (27)
| Country | Link |
|---|---|
| US (1) | US4101445A (OSRAM) |
| JP (1) | JPS5339992A (OSRAM) |
| AR (1) | AR222295A1 (OSRAM) |
| AU (1) | AU519542B2 (OSRAM) |
| BE (1) | BE858910A (OSRAM) |
| BR (1) | BR7706288A (OSRAM) |
| CA (1) | CA1098106A (OSRAM) |
| CS (2) | CS221952B2 (OSRAM) |
| DE (1) | DE2742543C2 (OSRAM) |
| DK (1) | DK149205C (OSRAM) |
| EG (1) | EG13094A (OSRAM) |
| ES (2) | ES462508A1 (OSRAM) |
| FI (1) | FI63246C (OSRAM) |
| FR (1) | FR2365590A1 (OSRAM) |
| GB (1) | GB1574877A (OSRAM) |
| HK (1) | HK38981A (OSRAM) |
| IN (1) | IN147225B (OSRAM) |
| IT (1) | IT1085044B (OSRAM) |
| MX (1) | MX4472E (OSRAM) |
| MY (1) | MY8200080A (OSRAM) |
| NL (1) | NL174723C (OSRAM) |
| NO (2) | NO145680C (OSRAM) |
| NZ (1) | NZ185222A (OSRAM) |
| PH (1) | PH13455A (OSRAM) |
| RO (1) | RO73241A (OSRAM) |
| SE (2) | SE438314B (OSRAM) |
| ZA (1) | ZA775232B (OSRAM) |
Families Citing this family (58)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4803253A (en) * | 1982-03-30 | 1989-02-07 | Phillips Petroleum Company | Ethylene polymer produced using a catalyst comprising a phosphate and with a bis-(cyclopentadienyl)chromium(II) compound |
| US4424139A (en) | 1982-03-30 | 1984-01-03 | Phillips Petroleum Company | Catalyst comprising a phosphate and with a bis-(cyclopentadienyl)chromium(II) compound |
| US4690990A (en) * | 1982-03-30 | 1987-09-01 | Phillips Petroleum Company | Polymerization process using a catalyst comprising a phosphate and with a bis-(cyclopentadienyl)chromium(II) compound |
| US4522987A (en) * | 1982-07-09 | 1985-06-11 | Phillips Petroleum Company | Low density polyethylene |
| US4806513A (en) * | 1984-05-29 | 1989-02-21 | Phillips Petroleum Company | Silicon and fluorine-treated alumina containing a chromium catalyst and method of producing same |
| DE3609828A1 (de) * | 1986-03-22 | 1987-09-24 | Basf Ag | Verfahren zum herstellen von homo-sowie copolymerisaten des ethens durch phillips-katalyse |
| DE3618259A1 (de) * | 1986-05-30 | 1987-12-03 | Basf Ag | Verfahren zum herstellen von homo- sowie copolymerisaten des ethens durch phillips-katalyse |
| US5064796A (en) * | 1991-01-07 | 1991-11-12 | Exxon Chemical Patents Inc. | Support adjuvant for improved vanadium polymerization catalyst |
| US5211746A (en) * | 1992-06-22 | 1993-05-18 | Union Carbide Chemicals & Plastics Technology Corporation | Flame retardant compositions |
| US5401816A (en) * | 1993-09-27 | 1995-03-28 | Phillips Petroleum Company | Transition metal catalyst, method of preparing catalyst, polymerization process employing catalyst, and polymer produced |
| AU6058196A (en) | 1995-07-21 | 1997-01-30 | Union Carbide Chemicals & Plastics Technology Corporation | Process for the extrusion of polyethylene |
| US5925448A (en) | 1995-11-07 | 1999-07-20 | Union Carbide Chemicals & Plastics Technology Corporation | Film extruded from a blend of ethylene copolymers |
| US6165929A (en) * | 1998-05-18 | 2000-12-26 | Phillips Petroleum Company | Compositions that can produce polymers |
| US6107230A (en) * | 1998-05-18 | 2000-08-22 | Phillips Petroleum Company | Compositions that can produce polymers |
| EP1995258B1 (en) * | 1998-05-18 | 2013-08-21 | Chevron Phillips Chemical Company Lp | Catalyst composition for polymerizing monomers |
| US6300271B1 (en) | 1998-05-18 | 2001-10-09 | Phillips Petroleum Company | Compositions that can produce polymers |
| CA2338603C (en) | 1998-08-26 | 2008-11-18 | Exxon Chemical Patents, Inc. | Highly active supported catalyst compositions |
| US6750302B1 (en) | 1999-12-16 | 2004-06-15 | Phillips Petroleum Company | Organometal catalyst compositions |
| US6388051B1 (en) | 2000-12-20 | 2002-05-14 | Union Carbide Chemicals & Plastics Technology Corporation | Process for selecting a polyethylene having improved processability |
| US6916892B2 (en) * | 2001-12-03 | 2005-07-12 | Fina Technology, Inc. | Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene |
| EP3498768A1 (en) | 2003-06-09 | 2019-06-19 | Union Carbide Chemicals & Plastics Technology LLC | Strippable semi-conductive insulation shield |
| US20050148742A1 (en) * | 2004-01-02 | 2005-07-07 | Hagerty Robert O. | Method for controlling sheeting in gas phase reactors |
| US20070073012A1 (en) * | 2005-09-28 | 2007-03-29 | Pannell Richard B | Method for seed bed treatment before a polymerization reaction |
| US7985811B2 (en) * | 2004-01-02 | 2011-07-26 | Univation Technologies, Llc | Method for controlling sheeting in gas phase reactors |
| US7629422B2 (en) | 2004-12-21 | 2009-12-08 | Univation Technologies, Llc | Process for transitioning between Ziegler-Natta-based and chromium-based catalysts |
| US7053163B1 (en) | 2005-02-22 | 2006-05-30 | Fina Technology, Inc. | Controlled comonomer distribution along a reactor for copolymer production |
| RU2444546C2 (ru) * | 2006-04-07 | 2012-03-10 | ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи | Полиолефиновые композиции, изделия из них и методы их получения |
| US7446167B2 (en) * | 2006-04-13 | 2008-11-04 | Fina Technology, Inc. | Catalyst deactivation agents and methods for use of same |
| KR100718022B1 (ko) * | 2006-04-25 | 2007-05-14 | 한화석유화학 주식회사 | 트리 내성 가교 폴리올레핀 조성물 |
| US7863522B2 (en) * | 2006-12-20 | 2011-01-04 | Dow Global Technologies Inc. | Semi-conducting polymer compositions for the preparation of wire and cable |
| WO2011156442A1 (en) | 2010-06-10 | 2011-12-15 | Union Carbide Chemicals & Plastics Technology Llc | Thiobis phenolic antioxidant/polyethylene glycol blends |
| WO2012162019A1 (en) | 2011-05-20 | 2012-11-29 | Union Carbide Chemicals & Plastics Technology Llc | Thiobis phenolic antioxidant/polyethylene glycol blends |
| US8895679B2 (en) | 2012-10-25 | 2014-11-25 | Chevron Phillips Chemical Company Lp | Catalyst compositions and methods of making and using same |
| US8937139B2 (en) | 2012-10-25 | 2015-01-20 | Chevron Phillips Chemical Company Lp | Catalyst compositions and methods of making and using same |
| US8877672B2 (en) | 2013-01-29 | 2014-11-04 | Chevron Phillips Chemical Company Lp | Catalyst compositions and methods of making and using same |
| US9034991B2 (en) | 2013-01-29 | 2015-05-19 | Chevron Phillips Chemical Company Lp | Polymer compositions and methods of making and using same |
| CA2922839C (en) | 2013-09-13 | 2021-10-26 | Dow Global Technologies Llc | Peroxide-crosslinkable compositions and processes for their manufacture |
| EP3149061B1 (en) | 2014-05-27 | 2019-03-13 | SABIC Global Technologies B.V. | Process for transitioning between incompatible catalysts |
| JP6585714B2 (ja) | 2014-11-28 | 2019-10-02 | ダウ グローバル テクノロジーズ エルエルシー | フッ素樹脂／アソジカルボンアミド混合物を核形成剤として使用してポリオレフィン組成物を発泡させるためのプロセス |
| EP3224316B1 (en) | 2014-11-28 | 2020-11-18 | Dow Global Technologies LLC | Process for foaming polyolefin compositions using a fluororesin as a nucleating agent |
| CN107108785B (zh) | 2014-12-22 | 2019-09-03 | Sabic环球技术有限责任公司 | 由烃的再循环回收烃 |
| CN107207650B (zh) | 2014-12-22 | 2020-09-15 | Sabic环球技术有限责任公司 | 不相容催化剂之间的转换方法 |
| KR102554874B1 (ko) | 2014-12-22 | 2023-07-12 | 사빅 글로벌 테크놀러지스 비.브이. | 비융화성 촉매 간의 전환 방법 |
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| KR102350399B1 (ko) | 2015-05-08 | 2022-01-18 | 다우 글로벌 테크놀로지스 엘엘씨 | 핵제로서 아조디카본아미드/시트레이트 혼합물을 사용하는 폴리올레핀 조성물을 발포시키는 방법 |
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| TWI805586B (zh) | 2017-06-29 | 2023-06-21 | 美商陶氏全球科技有限責任公司 | 可交聯組合物、製品以及導電方法 |
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| WO2020056678A1 (en) | 2018-09-20 | 2020-03-26 | Dow Global Technologies Llc | Bonding method to attach ethylene-based polymer foam with vulcanized rubber |
| CN113474404A (zh) | 2019-02-20 | 2021-10-01 | 弗纳技术股份有限公司 | 具有低翘曲的聚合物组合物 |
| CN116410362A (zh) * | 2021-12-31 | 2023-07-11 | 中国石油天然气股份有限公司 | 双峰聚乙烯及其应用 |
| CN116410361B (zh) * | 2021-12-31 | 2025-09-26 | 中国石油天然气股份有限公司 | 铬钛双中心催化剂及其制备方法与应用 |
| CN116410372A (zh) * | 2021-12-31 | 2023-07-11 | 中国石油天然气股份有限公司 | 双峰聚乙烯的制备方法 |
| WO2025078081A1 (en) | 2023-10-09 | 2025-04-17 | Sabic Global Technologies B.V. | Process for transitioning between incompatible catalysts |
| WO2025250307A1 (en) | 2024-05-30 | 2025-12-04 | ExxonMobil Technology and Engineering Company | Methods for improving gas phase polymerization |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2882096A (en) * | 1956-09-25 | 1959-04-14 | Lyon George Albert | Wheel cover |
| US2879362A (en) * | 1956-11-14 | 1959-03-24 | Rauland Corp | Photosensitive device |
| US3622521A (en) * | 1967-08-21 | 1971-11-23 | Phillips Petroleum Co | Olefin polymerization with chromium and titanium-containing compounds |
| US3887494A (en) * | 1970-11-12 | 1975-06-03 | Phillips Petroleum Co | Olefin polymerization catalyst |
| CA995396A (en) * | 1971-03-18 | 1976-08-17 | Robert N. Johnson | Catalyst modified with strong reducing agent and silane compounds and use in polymerization of olefins |
| US3709853A (en) * | 1971-04-29 | 1973-01-09 | Union Carbide Corp | Polymerization of ethylene using supported bis-(cyclopentadienyl)chromium(ii)catalysts |
| GB1429174A (en) * | 1972-06-12 | 1976-03-24 | Bp Chem Int Ltd | Polymerisation process and catalyst |
| US3806500A (en) * | 1972-07-21 | 1974-04-23 | Union Carbide Corp | Polymerization with thermally aged catalyst |
| US3950316A (en) * | 1974-05-03 | 1976-04-13 | Phillips Petroleum Company | Catalyst support formed by adding acidic material to silica containing titanium |
-
1976
- 1976-09-22 US US05/725,542 patent/US4101445A/en not_active Expired - Lifetime
-
1977
- 1977-08-29 ZA ZA00775232A patent/ZA775232B/xx unknown
- 1977-09-02 CA CA286,021A patent/CA1098106A/en not_active Expired
- 1977-09-19 AU AU28909/77A patent/AU519542B2/en not_active Expired
- 1977-09-20 PH PH20255A patent/PH13455A/en unknown
- 1977-09-21 SE SE7710593A patent/SE438314B/xx not_active IP Right Cessation
- 1977-09-21 AR AR269282A patent/AR222295A1/es active
- 1977-09-21 DE DE2742543A patent/DE2742543C2/de not_active Expired
- 1977-09-21 EG EG540/77A patent/EG13094A/xx active
- 1977-09-21 FI FI772791A patent/FI63246C/fi not_active IP Right Cessation
- 1977-09-21 DK DK417277A patent/DK149205C/da not_active IP Right Cessation
- 1977-09-21 CS CS805762A patent/CS221952B2/cs unknown
- 1977-09-21 MX MX776202U patent/MX4472E/es unknown
- 1977-09-21 BE BE181083A patent/BE858910A/xx not_active IP Right Cessation
- 1977-09-21 FR FR7728407A patent/FR2365590A1/fr active Granted
- 1977-09-21 CS CS776117A patent/CS221951B2/cs unknown
- 1977-09-21 NL NLAANVRAGE7710349,A patent/NL174723C/xx not_active IP Right Cessation
- 1977-09-21 IT IT27819/77A patent/IT1085044B/it active
- 1977-09-21 GB GB39409/77A patent/GB1574877A/en not_active Expired
- 1977-09-21 JP JP11274877A patent/JPS5339992A/ja active Granted
- 1977-09-21 BR BR7706288A patent/BR7706288A/pt unknown
- 1977-09-21 ES ES462508A patent/ES462508A1/es not_active Expired
- 1977-09-21 NZ NZ185222A patent/NZ185222A/xx unknown
- 1977-09-21 NO NO773239A patent/NO145680C/no unknown
- 1977-09-22 IN IN1430/CAL/77A patent/IN147225B/en unknown
- 1977-09-22 RO RO7791632A patent/RO73241A/ro unknown
- 1977-11-24 ES ES464417A patent/ES464417A1/es not_active Expired
-
1980
- 1980-03-24 NO NO800836A patent/NO153611C/no unknown
-
1981
- 1981-08-06 HK HK389/81A patent/HK38981A/xx unknown
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1982
- 1982-12-30 MY MY80/82A patent/MY8200080A/xx unknown
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1983
- 1983-01-26 SE SE8300395A patent/SE445460B/sv not_active IP Right Cessation
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