CA1074289A - Spray dried titanium-containing catalyst - Google Patents
Spray dried titanium-containing catalystInfo
- Publication number
- CA1074289A CA1074289A CA245,392A CA245392A CA1074289A CA 1074289 A CA1074289 A CA 1074289A CA 245392 A CA245392 A CA 245392A CA 1074289 A CA1074289 A CA 1074289A
- Authority
- CA
- Canada
- Prior art keywords
- chromium
- hydrogel
- catalyst
- titanium
- xerogel
- 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 38
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 13
- 239000010936 titanium Substances 0.000 title claims abstract description 13
- 239000007921 spray Substances 0.000 title description 27
- 239000000017 hydrogel Substances 0.000 claims abstract description 26
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 25
- 239000011651 chromium Substances 0.000 claims abstract description 25
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 24
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 21
- 150000003609 titanium compounds Chemical class 0.000 claims abstract description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 9
- 238000001354 calcination Methods 0.000 claims abstract description 8
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims abstract description 7
- 150000008043 acidic salts Chemical class 0.000 claims abstract description 5
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 5
- 238000001694 spray drying Methods 0.000 claims abstract description 5
- 150000007513 acids Chemical class 0.000 claims abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- 150000001845 chromium compounds Chemical class 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 8
- 239000004115 Sodium Silicate Substances 0.000 claims description 7
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 239000005977 Ethylene Substances 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 229910000349 titanium oxysulfate Inorganic materials 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 229910001415 sodium ion Inorganic materials 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 3
- 150000005673 monoalkenes Chemical class 0.000 claims 2
- 229940095050 propylene Drugs 0.000 claims 2
- 230000032683 aging Effects 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 230000006353 environmental stress Effects 0.000 abstract description 8
- 238000005336 cracking Methods 0.000 abstract description 4
- 229920000098 polyolefin Polymers 0.000 abstract description 4
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 22
- 229920000642 polymer Polymers 0.000 description 16
- 229940107218 chromium Drugs 0.000 description 13
- 235000012721 chromium Nutrition 0.000 description 13
- 239000000377 silicon dioxide Substances 0.000 description 11
- 230000035882 stress Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910001868 water Inorganic materials 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 229940032158 sodium silicate Drugs 0.000 description 4
- 235000019794 sodium silicate Nutrition 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 2
- BCEIUDAMUFAQMG-UHFFFAOYSA-M CC(C)(C)O[Cr](O)(=O)=O Chemical compound CC(C)(C)O[Cr](O)(=O)=O BCEIUDAMUFAQMG-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 2
- 229940117975 chromium trioxide Drugs 0.000 description 2
- WYYQVWLEPYFFLP-UHFFFAOYSA-K chromium(3+);triacetate Chemical compound [Cr+3].CC([O-])=O.CC([O-])=O.CC([O-])=O WYYQVWLEPYFFLP-UHFFFAOYSA-K 0.000 description 2
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229940076134 benzene Drugs 0.000 description 1
- 229940055042 chromic sulfate Drugs 0.000 description 1
- -1 chromium nitrate Chemical class 0.000 description 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical group [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 1
- 229910000356 chromium(III) sulfate Inorganic materials 0.000 description 1
- 235000015217 chromium(III) sulphate Nutrition 0.000 description 1
- 239000011696 chromium(III) sulphate Substances 0.000 description 1
- XEHUIDSUOAGHBW-UHFFFAOYSA-N chromium;pentane-2,4-dione Chemical compound [Cr].CC(=O)CC(C)=O.CC(=O)CC(C)=O.CC(=O)CC(C)=O XEHUIDSUOAGHBW-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- HHDOORYZQSEMGM-UHFFFAOYSA-L potassium;oxalate;titanium(4+) Chemical compound [K+].[Ti+4].[O-]C(=O)C([O-])=O HHDOORYZQSEMGM-UHFFFAOYSA-L 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910000348 titanium sulfate Inorganic materials 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 229910052905 tridymite Inorganic materials 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (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)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/607,977 US4053436A (en) | 1975-08-26 | 1975-08-26 | Spray dried titanium-containing catalyst for stress crack resistant polymer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1074289A true CA1074289A (en) | 1980-03-25 |
Family
ID=24434505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA245,392A Expired CA1074289A (en) | 1975-08-26 | 1976-02-10 | Spray dried titanium-containing catalyst |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US4053436A (en:Method) |
| JP (1) | JPS5227083A (en:Method) |
| BE (1) | BE845535A (en:Method) |
| BG (1) | BG29274A3 (en:Method) |
| CA (1) | CA1074289A (en:Method) |
| ES (1) | ES450151A1 (en:Method) |
| FI (1) | FI60716C (en:Method) |
| IN (1) | IN144959B (en:Method) |
| NO (1) | NO146139C (en:Method) |
| PT (1) | PT65270B (en:Method) |
| RO (1) | RO69971A (en:Method) |
| TR (1) | TR19689A (en:Method) |
| YU (1) | YU39770B (en:Method) |
Families Citing this family (70)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4186260A (en) * | 1973-05-24 | 1980-01-29 | Phillips Petroleum Company | Olefin polymerization process |
| US4151122A (en) * | 1977-12-05 | 1979-04-24 | Phillips Petroleum Company | Reduction and reoxidation of cogel or self-reduced catalyst |
| US4182815A (en) * | 1977-12-05 | 1980-01-08 | Phillips Petroleum Company | Reduction and reoxidation of cogel or self-reduced catalyst |
| US4293673A (en) * | 1978-12-28 | 1981-10-06 | Union Carbide Corporation | Spheroidal polymerization catalyst, process for preparing, and use for ethylene polymerization |
| US4376062A (en) * | 1979-11-28 | 1983-03-08 | Union Carbide Corporation | Spheroidal polymerization catalyst, process for preparing, and use for ethylene polymerization |
| US4294724A (en) * | 1980-02-06 | 1981-10-13 | Phillips Petroleum Company | Titanium impregnated silica-chromium catalysts |
| US4368303A (en) * | 1980-02-06 | 1983-01-11 | Phillips Petroleum Company | Titanium impregnated silica-chromium catalysts |
| US4331789A (en) * | 1980-03-14 | 1982-05-25 | Phillips Petroleum Company | Polymerization using a selenium or tellurium treated catalyst |
| US4295998A (en) * | 1980-03-14 | 1981-10-20 | Phillips Petroleum Company | Selenium or tellurium treated silica |
| US4279780A (en) * | 1980-04-18 | 1981-07-21 | Chemplex Company | Method of preparing catalyst supports |
| US4405768A (en) * | 1981-08-14 | 1983-09-20 | Phillips Petroleum Company | Polymerization process using chromium on a support treated with titanium polymer |
| US4402864A (en) * | 1981-08-14 | 1983-09-06 | Phillips Petroleum Company | Catalyst support treated with titanium polymer |
| US4424320A (en) | 1981-11-25 | 1984-01-03 | Phillips Petroleum Company | Polymerization with a silica base catalyst having titanium incorporated through use of peroxide |
| US4442275A (en) * | 1982-03-09 | 1984-04-10 | Phillips Petroleum Company | Polymerization process using catalyst having aqueous titanation of support with solubilized Ti(OR)4 |
| US4522987A (en) * | 1982-07-09 | 1985-06-11 | Phillips Petroleum Company | Low density polyethylene |
| US4477492A (en) * | 1983-04-22 | 1984-10-16 | E. I. Du Pont De Nemours And Company | Process for preparing superficially porous supports for chromatography and catalysts |
| US4791089A (en) * | 1983-10-07 | 1988-12-13 | Enron Chemical Corporation | Zirconia-titania-silica tergels and their use as catalyst supports |
| US5155186A (en) * | 1984-12-24 | 1992-10-13 | Phillips Petroleum Company | Ethylene homopolymer and copolymer polymerization process and the products produced therefrom |
| US4981831A (en) * | 1988-07-25 | 1991-01-01 | Phillips Petroleum Company | Twice-aged porous inorganic oxides, catalysts, and polymerization processes |
| US5115053A (en) * | 1988-07-25 | 1992-05-19 | Phillips Petroleum Company | Twice-aged porous inorganic oxides, catalysts, and polymerization processes |
| US5451645A (en) * | 1989-08-10 | 1995-09-19 | Phillips Petroleum Company | Process for olefin polymerization |
| US4988657A (en) * | 1989-10-06 | 1991-01-29 | Phillips Petroleum Company | Process for olefin polymerization |
| US5171801A (en) * | 1989-10-06 | 1992-12-15 | Phillips Petroleum Company | Process for olefin polymerization |
| US5071927A (en) * | 1990-10-09 | 1991-12-10 | Phillips Petroleum Company | High-temperature slurry polymerization of ethylene |
| DE69217878T2 (de) * | 1991-12-18 | 1997-06-12 | Phillips Petroleum Co | Verfahren zur Herstellung von Polymerisationskatalysator |
| BE1005718A3 (fr) * | 1992-03-10 | 1993-12-28 | Solvay | Procede pour la fabrication d'une poudre microspheroidale a faible dispersite, poudre microspheroidale a faible dispersite ainsi obtenue, catalyseurs pour la polymerisation d'alpha-olefines et procede de polymerisation d'alpha-olefines. |
| GB9210265D0 (en) * | 1992-05-13 | 1992-07-01 | Unilever Plc | Catalysts and catalyst supports |
| US5344884A (en) * | 1992-10-08 | 1994-09-06 | Phillips Petroleum Company | Polyethylene blends |
| US5378764A (en) * | 1992-10-08 | 1995-01-03 | Phillips Petroleum Company | Polyethylene blends |
| US5508362A (en) † | 1993-10-08 | 1996-04-16 | Phillips Petroleum Company | Chromium catalyst compositions and polymerization processes therewith |
| CA2146034A1 (en) | 1994-05-12 | 1995-11-13 | Kenneth W. Willcox | Polymer stabilization |
| US6465586B2 (en) | 1999-11-12 | 2002-10-15 | Mcdaniel Max P. | Polymerization catalyst and process |
| JP2002241424A (ja) * | 2001-02-21 | 2002-08-28 | Japan Polychem Corp | エチレン系重合体の製造方法 |
| US7307133B2 (en) * | 2004-04-22 | 2007-12-11 | Chevron Phillips Chemical Company Lp | Polymers having broad molecular weight distributions and methods of making the same |
| US6977235B2 (en) * | 2004-04-22 | 2005-12-20 | Chevron Phillips Chemical Company, Lp | Catalyst systems comprising a calcined chromium catalyst and a non-transition metal cyclopentadienyl cocatalyst |
| ES2450927T3 (es) | 2004-04-22 | 2014-03-25 | Chevron Phillips Chemical Company Lp | Sistemas catalizadores para producir polímeros que tienen distribuciones anchas de peso molecular y métodos para preparar los mismos |
| DE102005060770A1 (de) * | 2005-12-16 | 2007-06-21 | Basell Polyolefine Gmbh | Verfahren zur Herstellung eines Trägers für Olefinpolymerisationskatalysatoren |
| US8440772B2 (en) | 2011-04-28 | 2013-05-14 | Chevron Phillips Chemical Company Lp | Methods for terminating olefin polymerizations |
| US8487053B2 (en) | 2011-11-30 | 2013-07-16 | Chevron Phillips Chemical Company Lp | Methods for removing polymer skins from reactor walls |
| US9023967B2 (en) | 2011-11-30 | 2015-05-05 | Chevron Phillips Chemical Company Lp | Long chain branched polymers and methods of making same |
| CN104364273B (zh) * | 2011-12-19 | 2016-08-24 | 陶氏环球技术有限责任公司 | 聚乙烯组合物以及由其制备的制品 |
| US8501882B2 (en) | 2011-12-19 | 2013-08-06 | Chevron Phillips Chemical Company Lp | Use of hydrogen and an organozinc compound for polymerization and polymer property control |
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| US10273315B2 (en) | 2012-06-20 | 2019-04-30 | Chevron Phillips Chemical Company Lp | Methods for terminating olefin polymerizations |
| US8916494B2 (en) | 2012-08-27 | 2014-12-23 | Chevron Phillips Chemical Company Lp | Vapor phase preparation of fluorided solid oxides |
| US8940842B2 (en) | 2012-09-24 | 2015-01-27 | Chevron Phillips Chemical Company Lp | Methods for controlling dual catalyst olefin polymerizations |
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| US10005861B2 (en) | 2016-06-09 | 2018-06-26 | Chevron Phillips Chemical Company Lp | Methods for increasing polymer production rates with halogenated hydrocarbon compounds |
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| US11674023B2 (en) | 2020-10-15 | 2023-06-13 | Chevron Phillips Chemical Company Lp | Polymer composition and methods of making and using same |
| US12077616B2 (en) | 2021-12-15 | 2024-09-03 | Chevron Phillips Chemical Company Lp | Production of polyethylene and ethylene oligomers from ethanol and the use of biomass and waste streams as feedstocks to produce the ethanol |
| US11845814B2 (en) | 2022-02-01 | 2023-12-19 | Chevron Phillips Chemical Company Lp | Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor |
| US20230331875A1 (en) | 2022-04-19 | 2023-10-19 | Chevron Phillips Chemical Company Lp | Loop slurry periodogram control to prevent reactor fouling and reactor shutdowns |
| WO2025042807A1 (en) | 2023-08-22 | 2025-02-27 | Chevron Phillips Chemical Company Lp | Integrated processes utilizing water electrolysis and oxidative dehydrogenation of ethane |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL135121C (en:Method) * | 1964-05-22 | 1972-09-16 | ||
| US3378540A (en) * | 1964-05-25 | 1968-04-16 | Phillips Petroleum Co | Polymerization of 1-olefins and catalyst |
| US3887494A (en) * | 1970-11-12 | 1975-06-03 | Phillips Petroleum Co | Olefin polymerization catalyst |
| BE793717A (fr) * | 1972-01-07 | 1973-07-05 | Phillips Petroleum Co | Catalyseurs a base de gels de silices a grands pores |
| US3867306A (en) * | 1972-03-24 | 1975-02-18 | Phillips Petroleum Co | Olefin polymerization composition |
| US3890249A (en) * | 1972-11-29 | 1975-06-17 | Phillips Petroleum Co | Silica preparation |
| US3951863A (en) * | 1974-02-25 | 1976-04-20 | Phillips Petroleum Company | Silica xerogel production |
| US3976632A (en) * | 1974-12-04 | 1976-08-24 | Phillips Petroleum Company | Reactivation of organochromium olefin polymerization catalyst in presence of oxygen |
| US4001196A (en) * | 1974-12-04 | 1977-01-04 | Phillips Petroleum Company | Reactivation of organochromium olefin polymerization catalyst in presence of oxygen |
-
1975
- 1975-08-26 US US05/607,977 patent/US4053436A/en not_active Expired - Lifetime
-
1976
- 1976-02-10 CA CA245,392A patent/CA1074289A/en not_active Expired
- 1976-04-20 IN IN675/CAL/76A patent/IN144959B/en unknown
- 1976-05-20 JP JP51058454A patent/JPS5227083A/ja active Granted
- 1976-06-24 PT PT65270A patent/PT65270B/pt unknown
- 1976-07-05 YU YU1634/76A patent/YU39770B/xx unknown
- 1976-07-26 ES ES450151A patent/ES450151A1/es not_active Expired
- 1976-08-13 BG BG033991A patent/BG29274A3/xx unknown
- 1976-08-23 NO NO762898A patent/NO146139C/no unknown
- 1976-08-25 FI FI762451A patent/FI60716C/fi not_active IP Right Cessation
- 1976-08-25 TR TR19689A patent/TR19689A/xx unknown
- 1976-08-26 RO RO7687373A patent/RO69971A/ro unknown
- 1976-08-26 BE BE170090A patent/BE845535A/xx not_active IP Right Cessation
-
1977
- 1977-02-04 US US05/765,471 patent/US4101722A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5411355B2 (en:Method) | 1979-05-14 |
| IN144959B (en:Method) | 1978-08-05 |
| BG29274A3 (bg) | 1980-10-15 |
| US4101722A (en) | 1978-07-18 |
| NO146139C (no) | 1982-08-04 |
| TR19689A (tr) | 1979-10-11 |
| JPS5227083A (en) | 1977-03-01 |
| US4053436A (en) | 1977-10-11 |
| YU39770B (en) | 1985-04-30 |
| RO69971A (ro) | 1981-07-30 |
| NO762898L (en:Method) | 1977-03-01 |
| PT65270B (fr) | 1977-12-07 |
| BE845535A (fr) | 1977-02-28 |
| FI762451A7 (en:Method) | 1977-02-27 |
| NO146139B (no) | 1982-04-26 |
| PT65270A (fr) | 1976-07-01 |
| YU163476A (en) | 1982-05-31 |
| FI60716B (fi) | 1981-11-30 |
| FI60716C (fi) | 1982-03-10 |
| ES450151A1 (es) | 1977-06-16 |
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