SG32186G - Silica-supported chromium oxide-containing olefin polymerization catalysts - Google Patents
Silica-supported chromium oxide-containing olefin polymerization catalystsInfo
- Publication number
- SG32186G SG32186G SG321/86A SG32186A SG32186G SG 32186 G SG32186 G SG 32186G SG 321/86 A SG321/86 A SG 321/86A SG 32186 A SG32186 A SG 32186A SG 32186 G SG32186 G SG 32186G
- Authority
- SG
- Singapore
- Prior art keywords
- sub
- silica
- heating
- chromium oxide
- olefin polymerization
- Prior art date
Links
Classifications
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polymerization Catalysts (AREA)
- Silicon Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Materials For Medical Uses (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/340,937 US4392990A (en) | 1982-01-20 | 1982-01-20 | Heating silica gel in inert atmosphere before activation |
Publications (1)
Publication Number | Publication Date |
---|---|
SG32186G true SG32186G (en) | 1988-02-19 |
Family
ID=23335565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG321/86A SG32186G (en) | 1982-01-20 | 1986-04-07 | Silica-supported chromium oxide-containing olefin polymerization catalysts |
Country Status (10)
Country | Link |
---|---|
US (1) | US4392990A (es) |
EP (1) | EP0085357B1 (es) |
JP (1) | JPS58127709A (es) |
AT (1) | ATE53221T1 (es) |
CA (1) | CA1190537A (es) |
DE (1) | DE3381618D1 (es) |
ES (1) | ES8405038A1 (es) |
GB (1) | GB2113566B (es) |
NO (1) | NO160082C (es) |
SG (1) | SG32186G (es) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4818800A (en) * | 1985-07-29 | 1989-04-04 | Phillips Petroleum Company | Polymerization process utilizing a silica-supported chromium oxide catalyst and boron-containing adjuvant |
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 |
US5171801A (en) * | 1989-10-06 | 1992-12-15 | Phillips Petroleum Company | Process for olefin polymerization |
US4988657A (en) * | 1989-10-06 | 1991-01-29 | Phillips Petroleum Company | Process for olefin polymerization |
US5071927A (en) * | 1990-10-09 | 1991-12-10 | Phillips Petroleum Company | High-temperature slurry polymerization of ethylene |
IT1244478B (it) * | 1990-12-21 | 1994-07-15 | Eniricerche Spa | Gel cataliticamente attivo e procedimento per la sua preparazione |
DE4132894A1 (de) * | 1991-10-04 | 1993-04-08 | Basf Ag | Verfahren zur herstellung eines traegerkatalysators fuer die polymerisation von (alpha)-olefinen |
EP0548805B1 (en) * | 1991-12-18 | 1997-03-05 | Phillips Petroleum Company | Process for the preparation of polymerisation catalysts |
US5179178A (en) * | 1992-05-15 | 1993-01-12 | Phillips Petroleum Company | Olefin polymerization |
CA2146034A1 (en) | 1994-05-12 | 1995-11-13 | Kenneth W. Willcox | Polymer stabilization |
DE19914752A1 (de) * | 1999-03-31 | 2000-10-05 | Elenac Gmbh | Verfahren zur diskontinuierlichen, thermischen Behandlung von Katalysatormaterial |
AU4716301A (en) | 1999-12-16 | 2001-06-25 | Phillips Petroleum Company | Organometal compound catalyst |
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 |
CA2564486C (en) | 2004-04-22 | 2011-03-22 | Chevron Phillips Chemical Company Lp | Catalyst systems for producing polymers having broad molecular weight distributions and methods of making the same |
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 |
US7163906B2 (en) * | 2004-11-04 | 2007-01-16 | Chevron Phillips Chemical Company, Llp | Organochromium/metallocene combination catalysts for producing bimodal resins |
US20060155082A1 (en) * | 2005-01-10 | 2006-07-13 | Mcdaniel Max P | Process for producing polymers |
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 |
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 |
US8703883B2 (en) | 2012-02-20 | 2014-04-22 | Chevron Phillips Chemical Company Lp | Systems and methods for real-time catalyst particle size control in a polymerization reactor |
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 |
US9708426B2 (en) | 2015-06-01 | 2017-07-18 | Chevron Phillips Chemical Company Lp | Liquid-solid sampling system for a loop slurry reactor |
US10005861B2 (en) | 2016-06-09 | 2018-06-26 | Chevron Phillips Chemical Company Lp | Methods for increasing polymer production rates with halogenated hydrocarbon compounds |
US10774161B2 (en) | 2019-01-31 | 2020-09-15 | Chevron Phillips Chemical Company Lp | Systems and methods for polyethylene recovery with low volatile content |
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 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1447605A (en) * | 1974-05-08 | 1976-08-25 | Phillips Petroleum Co | Olefin polymerization catalyst peparation |
DE2540278C2 (de) * | 1975-09-10 | 1982-09-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zum Herstellen von Olefinpolymerisaten |
US4081407A (en) * | 1976-03-18 | 1978-03-28 | Phillips Petroleum Company | Catalyst support prepared by alcohol treatment of hydrogels |
US4151122A (en) * | 1977-12-05 | 1979-04-24 | Phillips Petroleum Company | Reduction and reoxidation of cogel or self-reduced catalyst |
JPS5486943A (en) * | 1977-12-22 | 1979-07-10 | Matsushita Electric Ind Co Ltd | Device for cooling or heating room |
US4247421A (en) * | 1979-05-03 | 1981-01-27 | Phillips Petroleum Company | Activation of supported chromium oxide catalysts |
JPS5831087B2 (ja) * | 1979-07-25 | 1983-07-04 | 旭化成株式会社 | オレフインの重合方法 |
-
1982
- 1982-01-20 US US06/340,937 patent/US4392990A/en not_active Expired - Lifetime
- 1982-11-16 CA CA000415670A patent/CA1190537A/en not_active Expired
-
1983
- 1983-01-19 EP EP83100434A patent/EP0085357B1/en not_active Expired - Lifetime
- 1983-01-19 DE DE8383100434T patent/DE3381618D1/de not_active Expired - Lifetime
- 1983-01-19 AT AT83100434T patent/ATE53221T1/de not_active IP Right Cessation
- 1983-01-19 JP JP58007190A patent/JPS58127709A/ja active Granted
- 1983-01-19 ES ES519120A patent/ES8405038A1/es not_active Expired
- 1983-01-19 NO NO830166A patent/NO160082C/no not_active IP Right Cessation
- 1983-01-20 GB GB08301545A patent/GB2113566B/en not_active Expired
-
1986
- 1986-04-07 SG SG321/86A patent/SG32186G/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB8301545D0 (en) | 1983-02-23 |
JPH0559121B2 (es) | 1993-08-30 |
GB2113566B (en) | 1985-07-10 |
NO160082C (no) | 1989-03-08 |
US4392990A (en) | 1983-07-12 |
CA1190537A (en) | 1985-07-16 |
NO830166L (no) | 1983-07-21 |
GB2113566A (en) | 1983-08-10 |
EP0085357A3 (en) | 1984-05-23 |
JPS58127709A (ja) | 1983-07-29 |
NO160082B (no) | 1988-11-28 |
EP0085357B1 (en) | 1990-05-30 |
EP0085357A2 (en) | 1983-08-10 |
DE3381618D1 (de) | 1990-07-05 |
ES519120A0 (es) | 1984-06-16 |
ATE53221T1 (de) | 1990-06-15 |
ES8405038A1 (es) | 1984-06-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2113566B (en) | Silica-supported chromium oxide-containing olefin polymerization catalysts | |
AU643673B2 (en) | Catalysts for the polymerization of olefins | |
SG24886G (en) | Silica-supported, chromium oxide-containing olefin polymerization catalysts | |
DE69706187D1 (de) | Zusammensetzungen und verfahren zur immobilisierung von nukleinsäure auf festträgern | |
IT1123140B (it) | Carrozzeria per veicolo,come pure i veicoli realizzati con questa carrozzeria | |
IT1153525B (it) | Cerchio antidetallonamento per pneumatici per autoveicoli | |
FR2340910B1 (es) | ||
ATE159724T1 (de) | Verfahren zur herstellung von alkylaluminoxan auf inerten trägermaterialien | |
ITTO920552A1 (it) | Reattore di vulcanizzazione per pneumatici di veicoli stradali. | |
IT8621917A0 (it) | Dispositivo di sospensione per autoveicoli. | |
DE3781507D1 (de) | Vorrichtung fuer aufhaengungen von kraftfahrzeugen. | |
IT1170525B (it) | Martinetto per autotelai di veicoli industriali | |
IT1203420B (it) | Bocchetta di aerazione,particolarmente per autoveicoli | |
IT8968168A0 (it) | Tallone per pneumatici di autoveicoli | |
DK0410684T3 (da) | Fremgangsmåde til kondensation af N-phenylcarbamater | |
IT8267446A0 (it) | Guarnizione di tenuta per carrozzerie di veicoli | |
IT8722734V0 (it) | Cerchione per ruote di autoveicoli. | |
IT1157892B (it) | Cerchione per pneumatici di veicoli | |
ATA295986A (de) | Tiefbettfelge fuer luftbereifte fahrzeugraeder | |
IT8219794A0 (it) | Miglioramenti ai talloni di pneumatici per autoveicoli erelativo metodo di attuazione. | |
IT216067Z2 (it) | Supporto antivibrazioni per il sostegno dei mezzi di movimentazione di antenne per installazioni suveicoli in genere | |
IT7821917A0 (it) | Predellino mobile per veicoli adibiti al trasporto di passeggeri. | |
FR2524854B1 (fr) | Dispositif de bachage mecanique lateral de vehicules, tels que wagons ou caisses mobiles de coordination technique rail-route | |
IT8620541A0 (it) | Pneumatico per ruote di veicoli. | |
IT8620416A1 (it) | Ferma-ruota per veicoli per il trasporto di automobili |