JPS5323787B1 - - Google Patents

Info

Publication number
JPS5323787B1
JPS5323787B1 JP5929171A JP5929171A JPS5323787B1 JP S5323787 B1 JPS5323787 B1 JP S5323787B1 JP 5929171 A JP5929171 A JP 5929171A JP 5929171 A JP5929171 A JP 5929171A JP S5323787 B1 JPS5323787 B1 JP S5323787B1
Authority
JP
Japan
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.)
Pending
Application number
JP5929171A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS5323787B1 publication Critical patent/JPS5323787B1/ja
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/16—Preparation of silica xerogels
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/152—Preparation of hydrogels
    • C01B33/154—Preparation of hydrogels by acidic treatment of aqueous silicate solutions
    • 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)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Silicon Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerization Catalysts (AREA)
JP5929171A 1970-10-08 1971-08-05 Pending JPS5323787B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US079316A US3900457A (en) 1970-10-08 1970-10-08 Olefin polymerization catalyst

Publications (1)

Publication Number Publication Date
JPS5323787B1 true JPS5323787B1 (ja) 1978-07-17

Family

ID=22149769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5929171A Pending JPS5323787B1 (ja) 1970-10-08 1971-08-05

Country Status (10)

Country Link
US (1) US3900457A (ja)
JP (1) JPS5323787B1 (ja)
BE (1) BE773655A (ja)
CA (1) CA1016528A (ja)
ES (1) ES395791A1 (ja)
FR (1) FR2111169A5 (ja)
GB (1) GB1369906A (ja)
IT (1) IT938955B (ja)
SE (1) SE397959B (ja)
ZA (1) ZA714390B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013534470A (ja) * 2010-06-24 2013-09-05 ピーキュー コーポレイション 触媒担体、触媒並びにそれらの製造および使用

Families Citing this family (75)

* Cited by examiner, † Cited by third party
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US4009327A (en) * 1972-07-31 1977-02-22 Phillips Petroleum Company Polymerization of olefins
DE2455535A1 (de) * 1974-11-23 1976-05-26 Basf Ag Verfahren zum herstellen von olefinpolymerisaten
DE2509261C2 (de) * 1975-03-04 1984-03-01 Basf Ag, 6700 Ludwigshafen Verfahren zum Herstellen von Olefinpolymerisaten durch Polymerisation von C↓2↓- bis C↓8↓-α-Monoolefinen
US4053435A (en) * 1975-03-12 1977-10-11 Gulf Research & Development Company Catalysts for the polymerization of ethylene
DE2540279A1 (de) * 1975-09-10 1977-03-24 Basf Ag Verfahren zum herstellen eines katalysators fuer die polymerisation von olefinen
DE2540278C2 (de) * 1975-09-10 1982-09-16 Basf Ag, 6700 Ludwigshafen Verfahren zum Herstellen von Olefinpolymerisaten
US4246139A (en) * 1975-09-15 1981-01-20 Phillips Petroleum Company Silica production
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
US4169926A (en) * 1978-01-16 1979-10-02 Phillips Petroleum Company Inorganic hydrogels and uses thereof
US4333860A (en) * 1979-12-14 1982-06-08 Phillips Petroleum Company Solubilized chromium salt in polymerization catalyst
US4397766A (en) * 1979-12-14 1983-08-09 Phillips Petroleum Company Solubilized chromium salt in particulate support
US4368301A (en) * 1979-12-14 1983-01-11 Phillips Petroleum Company Solubilized chromium salt in polymerization catalyst
US4369295A (en) * 1979-12-21 1983-01-18 Phillips Petroleum Company Impregnated second valence chromium compound in supported catalyst
US4325839A (en) * 1979-12-21 1982-04-20 Phillips Petroleum Company Impregnated second valence chromium compound in supported catalyst
US4345055A (en) * 1980-02-06 1982-08-17 Phillips Petroleum Company Polymerization with titanium impregnated silica-chromium catalysts
US4312967A (en) * 1980-02-06 1982-01-26 Phillips Petroleum Co. Polymerization catalyst and process
US4364841A (en) * 1980-12-31 1982-12-21 Phillips Petroleum Company Phosphate containing support with zerovalent chromium
US4444968A (en) * 1980-12-31 1984-04-24 Phillips Petroleum Company Olefin polymerization with phosphate supported zerovalent chromium
US5200478A (en) * 1983-04-04 1993-04-06 Solvay S.A. Method for activating supported chromium oxide catalysts and olefin polymerization process carried out therewith
US5093300A (en) * 1983-04-04 1992-03-03 Solvay & Cie (Societe Anonyme) Method for activating a chromium-containing catalyst supported on a silica-containing base
US5115053A (en) * 1988-07-25 1992-05-19 Phillips Petroleum Company Twice-aged porous inorganic oxides, catalysts, and polymerization processes
US4981831A (en) * 1988-07-25 1991-01-01 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
US5183792A (en) * 1991-11-26 1993-02-02 Allied-Signal Inc. Catalyst for making polyethylene
EP0548805B1 (en) * 1991-12-18 1997-03-05 Phillips Petroleum Company Process for the preparation of polymerisation catalysts
GB9210265D0 (en) * 1992-05-13 1992-07-01 Unilever Plc Catalysts and catalyst supports
US5508362A (en) † 1993-10-08 1996-04-16 Phillips Petroleum Company Chromium catalyst compositions and polymerization processes therewith
US5439624A (en) * 1994-02-14 1995-08-08 Wisconsin Alumni Research Foundation Method for forming porous ceramic materials
CA2146034A1 (en) 1994-05-12 1995-11-13 Kenneth W. Willcox Polymer stabilization
EP0788519B1 (en) * 1994-06-02 2002-09-04 W.R. Grace & Co.-Conn. High pore volume polyolefin catalyst
US5576262A (en) * 1994-06-02 1996-11-19 W. R. Grace & Co.-Conn. Glycol ether compounds for the production of polyolefin catalysts and supports
DE19735770C1 (de) 1997-08-18 1999-05-27 Bayer Ag Verfahren zur Herstellung von Diarylcarbonaten
US6670302B2 (en) 1997-11-14 2003-12-30 W. R. Grace & Co.-Conn High pore volume polyolefin catalyst
BE1012566A3 (fr) * 1999-03-23 2000-12-05 Solvay Procede pour la production de polymeres de l'ethylene.
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
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
RU2006141238A (ru) 2004-04-22 2008-05-27 Шеврон Филлипс Кемикал Компани Лп (Us) Каталитические системы для получения полимеров, характеризующихся широкими молекулярно-массовыми распределениями, и способы их получения
US20060155082A1 (en) * 2005-01-10 2006-07-13 Mcdaniel Max P Process for producing polymers
CN101525395A (zh) * 2008-03-06 2009-09-09 住友化学株式会社 用于加成聚合的催化剂组分、催化剂和加成聚合物的生产方法
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
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
US9828524B2 (en) * 2012-11-13 2017-11-28 Chugoku Marine Paints, Ltd. Antifouling coating composition, antifouling coating film, antifouling substrate, and method for improving storage stability of antifouling coating compositions
WO2014095889A1 (de) * 2012-12-17 2014-06-26 Lanxess Deutschland Gmbh Fungizide silikon-dichtungsmassen
US10577440B2 (en) 2013-03-13 2020-03-03 Chevron Phillips Chemical Company Lp Radically coupled resins and methods of making and using same
US10654948B2 (en) 2013-03-13 2020-05-19 Chevron Phillips Chemical Company Lp Radically coupled resins and methods of making and using same
US9708426B2 (en) 2015-06-01 2017-07-18 Chevron Phillips Chemical Company Lp Liquid-solid sampling system for a loop slurry reactor
US10213766B2 (en) 2015-09-18 2019-02-26 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
WO2017078974A1 (en) 2015-11-05 2017-05-11 Chevron Phillips Chemical Company Lp Radically coupled resins and methods of making and using same
US10005861B2 (en) 2016-06-09 2018-06-26 Chevron Phillips Chemical Company Lp Methods for increasing polymer production rates with halogenated hydrocarbon compounds
US9988468B2 (en) 2016-09-30 2018-06-05 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US10654953B2 (en) 2016-12-29 2020-05-19 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US20200369803A1 (en) 2016-12-29 2020-11-26 Chevron Phillips Chemical Company Lp Methods of Preparing a Catalyst
US11267914B2 (en) 2016-12-29 2022-03-08 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US10550252B2 (en) 2017-04-20 2020-02-04 Chevron Phillips Chemical Company Lp Bimodal PE resins with improved melt strength
US10287369B2 (en) 2017-04-24 2019-05-14 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US10513570B2 (en) 2017-11-17 2019-12-24 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US10323109B2 (en) 2017-11-17 2019-06-18 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst utilizing hydrated reagents
US10543480B2 (en) 2018-04-16 2020-01-28 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst utilizing hydrated reagents
US10722874B2 (en) 2018-04-16 2020-07-28 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst utilizing hydrated reagents
US11266976B2 (en) 2018-04-16 2022-03-08 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst with low HRVOC emissions
US10774161B2 (en) 2019-01-31 2020-09-15 Chevron Phillips Chemical Company Lp Systems and methods for polyethylene recovery with low volatile content
US11674023B2 (en) 2020-10-15 2023-06-13 Chevron Phillips Chemical Company Lp Polymer composition and methods of making and using same
US20230183390A1 (en) 2021-12-15 2023-06-15 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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429319A (en) * 1943-03-26 1947-10-21 Standard Oil Dev Co Method of producing easily pulverized xerogel
IT513721A (ja) * 1953-01-27 1900-01-01
US2978298A (en) * 1956-09-04 1961-04-04 Gen Electric Process for producing hydrophobic aerogels
US3127370A (en) * 1958-05-28 1964-03-31 Method of making fiber-grade polyethylene
BE594956A (ja) * 1959-09-22
US3225023A (en) * 1962-11-30 1965-12-21 Phillips Petroleum Co Process for controlling melt index

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013534470A (ja) * 2010-06-24 2013-09-05 ピーキュー コーポレイション 触媒担体、触媒並びにそれらの製造および使用

Also Published As

Publication number Publication date
SE397959B (sv) 1977-11-28
ZA714390B (en) 1972-03-29
CA1016528A (en) 1977-08-30
US3900457A (en) 1975-08-19
GB1369906A (en) 1974-10-09
IT938955B (it) 1973-02-10
ES395791A1 (es) 1974-10-16
FR2111169A5 (ja) 1972-06-02
BE773655A (fr) 1972-04-10

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