ZA992310B - Ion exchanged aluminum-magnesium silicate aerogels and catalyst supports therefrom. - Google Patents

Ion exchanged aluminum-magnesium silicate aerogels and catalyst supports therefrom.

Info

Publication number
ZA992310B
ZA992310B ZA9902310A ZA992310A ZA992310B ZA 992310 B ZA992310 B ZA 992310B ZA 9902310 A ZA9902310 A ZA 9902310A ZA 992310 A ZA992310 A ZA 992310A ZA 992310 B ZA992310 B ZA 992310B
Authority
ZA
South Africa
Prior art keywords
magnesium silicate
ion exchanged
catalyst supports
exchanged aluminum
silicate aerogels
Prior art date
Application number
ZA9902310A
Other languages
English (en)
Inventor
Tao Sun
David R Wilson
Juan M Garces
Original Assignee
Dow Chemical Co
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 by Dow Chemical Co filed Critical Dow Chemical Co
Publication of ZA992310B publication Critical patent/ZA992310B/xx

Links

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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/10—Magnesium; 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/14—Silica and magnesia
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06—Halogens; Compounds thereof
    • B01J27/08—Halides
    • B01J27/12—Fluorides
    • 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
    • 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
    • B01J37/036—Precipitation; Co-precipitation to form a gel or a cogel
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/02—Carriers therefor
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/02—Carriers therefor
    • C08F4/022—Magnesium halide as support anhydrous or hydrated or complexed by means of a Lewis base for Ziegler-type catalysts
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04—Monomers containing three or four carbon atoms
    • C08F110/06—Propene
    • 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
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65927—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged

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)
  • Dispersion Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerization Catalysts (AREA)
  • Silicon Compounds (AREA)
ZA9902310A 1998-03-26 1999-03-25 Ion exchanged aluminum-magnesium silicate aerogels and catalyst supports therefrom. ZA992310B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7944298P 1998-03-26 1998-03-26

Publications (1)

Publication Number Publication Date
ZA992310B true ZA992310B (en) 2000-10-11

Family

ID=22150584

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9902310A ZA992310B (en) 1998-03-26 1999-03-25 Ion exchanged aluminum-magnesium silicate aerogels and catalyst supports therefrom.

Country Status (17)

Country Link
US (1) US6376421B2 (es)
EP (1) EP1066110B1 (es)
JP (1) JP2002507533A (es)
KR (1) KR20010052221A (es)
CN (1) CN1295496A (es)
AR (1) AR014776A1 (es)
AT (1) ATE240783T1 (es)
AU (1) AU2977899A (es)
BR (1) BR9909200A (es)
CA (1) CA2322952C (es)
DE (1) DE69908103T2 (es)
HU (1) HUP0102238A3 (es)
ID (1) ID25657A (es)
PL (1) PL343326A1 (es)
TR (1) TR200002753T2 (es)
WO (1) WO1999048605A1 (es)
ZA (1) ZA992310B (es)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100430438B1 (ko) * 1998-10-22 2004-07-19 대림산업 주식회사 담지메탈로센촉매,그제조방법및이를이용한폴리올레핀의중합방법
KR20010040532A (ko) * 1998-12-02 2001-05-15 가즈토 도미나가 올레핀 중합용 촉매 및 이 촉매를 사용하는 올레핀중합체의 제조 방법
US6291386B1 (en) * 1999-05-25 2001-09-18 Equistar Chemicals, Lp Process for the in-situ preparation of single-site transition metal catalysts and polymerization process
WO2004046214A2 (en) 2002-10-15 2004-06-03 Exxonmobil Chemical Patents Inc. Multiple catalyst system for olefin polymerization and polymers produced therefrom
US7223822B2 (en) 2002-10-15 2007-05-29 Exxonmobil Chemical Patents Inc. Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
US7429404B2 (en) * 2004-07-30 2008-09-30 University Of Utah Research Foundation Methods of selectively incorporating metals onto substrates
US7399874B2 (en) 2004-10-29 2008-07-15 Exxonmobil Chemical Patents Inc. Catalyst compound containing divalent tridentate ligand
US8143352B2 (en) 2006-12-20 2012-03-27 Exxonmobil Research And Engineering Company Process for fluid phase in-line blending of polymers
DE102007022052A1 (de) * 2007-05-08 2008-11-13 Basell Polyolefine Gmbh Katalysatorsystem zur Olefinpolymerisation, Verfahren zu ihrer Herstellung, sowie ein Verfahren zur Polymerisation von a-Olefinen unter Verwendung des Katalysatorsystems
JP2008290909A (ja) * 2007-05-24 2008-12-04 Sumitomo Chemical Co Ltd 珪素酸化物含有乾燥ゲルの充填方法
US7928162B2 (en) 2007-09-13 2011-04-19 Exxonmobil Research And Engineering Company In-line process for producing plasticized polymers and plasticized polymer blends
CN103254513B (zh) 2007-12-20 2015-08-26 埃克森美孚研究工程公司 全同立构聚丙烯和乙烯-丙烯共聚物的共混物
US7939610B2 (en) 2008-05-22 2011-05-10 Exxonmobil Research And Engineering Company Polymerization processes for broadened molecular weight distribution
US8399586B2 (en) 2008-09-05 2013-03-19 Exxonmobil Research And Engineering Company Process for feeding ethylene to polymerization reactors
ES2432965T3 (es) 2008-12-15 2013-12-05 Exxonmobil Chemical Patents Inc. Composiciones de olefinas termoplásticas
ES2408589T3 (es) 2008-12-18 2013-06-21 Univation Technologies, Llc Método para tratamiento de un lecho de siembra para una reacción de polimerización
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
RU2527945C2 (ru) 2009-01-08 2014-09-10 Юнивейшн Текнолоджиз, Ллк Добавка для процессов полимеризации полиолефинов
US8586685B2 (en) 2009-07-23 2013-11-19 Univation Technologies, Llc Polymerization reaction system
WO2011078923A1 (en) 2009-12-23 2011-06-30 Univation Technologies, Llc Methods for producing catalyst systems
ES2543635T3 (es) 2010-02-18 2015-08-20 Univation Technologies, Llc Métodos para operación de un reactor de polimerización
MY157091A (en) 2010-04-13 2016-04-29 Univation Tech Llc Polymer blends and films made therefrom
US20130115708A1 (en) 2010-07-16 2013-05-09 Univation Technologies, Llc Systems and Methods for Measuring Particle Accumulation on Reactor Surfaces
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
EP2651982B1 (en) 2010-12-17 2018-04-11 Univation Technologies, LLC Systems and methods for recovering hydrocarbons from a polyolefin purge gas product
US8703884B2 (en) 2010-12-22 2014-04-22 Univation Technologies, Llc Additive for polyolefin polymerization processes
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
EP3080200B1 (en) 2013-12-09 2018-11-14 Univation Technologies, LLC Feeding polymerization additives to polymerization processes
JP2017519865A (ja) 2014-06-16 2017-07-20 ユニベーション・テクノロジーズ・エルエルシー ポリエチレン樹脂
MX2016016258A (es) 2014-06-16 2017-05-01 Univation Tech Llc Métodos de modificación de la relación de flujo fundido y/o incremento de resinas de polietileno.
US10298225B1 (en) * 2014-12-04 2019-05-21 Matthew Isaac Most Electrical system for a portable electronic device
CN107206655B (zh) 2015-01-21 2019-09-06 尤尼威蒂恩技术有限责任公司 用于控制聚合物链断裂的方法
CN107107433B (zh) 2015-01-21 2019-09-13 尤尼威蒂恩技术有限责任公司 用于聚烯烃中的凝胶减少的方法
CN107889472B (zh) 2015-05-11 2021-09-07 格雷斯公司 制备改性粘土负载的茂金属聚合催化剂的方法、所制备的催化剂及其用途
US10940460B2 (en) 2015-05-11 2021-03-09 W. R. Grace & Co.-Conn. Process to produce modified clay, modified clay produced and use thereof
CN106111095A (zh) * 2016-06-27 2016-11-16 安徽金联地矿科技有限公司 一种新型凹凸棒粉复合离子交换纤维气凝胶的制备方法
CN109790239B (zh) 2016-09-30 2022-03-25 尤尼威蒂恩技术有限责任公司 双峰聚合催化剂
US10982024B2 (en) 2016-09-30 2021-04-20 Univation Technologies, Llc Polymerization catalysts
CA3043017A1 (en) 2016-11-08 2018-05-17 Univation Technologies, Llc Bimodal polyethylene
BR112019015300B1 (pt) 2017-02-13 2023-03-28 Univation Technologies, Llc Polímero à base de etileno, processo para copolimerizar etileno e uma ou mais alfa-olefinas em um único reator de polimerização de olefinas e artigo
BR112021001038B1 (pt) 2018-07-31 2024-01-30 Dow Global Technologies Llc Formulação de polietileno, e, artigo
JP7493498B2 (ja) 2018-11-06 2024-05-31 ダウ グローバル テクノロジーズ エルエルシー アルカン可溶性非メタロセンプレ触媒
US11891464B2 (en) 2018-11-06 2024-02-06 Dow Global Technologies Llc Alkane-soluble non-metallocene precatalysts
BR112021006524A2 (pt) 2018-11-06 2021-07-06 Dow Global Technologies Llc método de polimerização de um monômero de olefina para produzir uma primeira composição de poliolefina.
CN111154036B (zh) * 2020-01-20 2021-12-24 南京工业大学 一种乙烯-硅烷共聚复合气凝胶的制备方法
BR112022023744A2 (pt) 2020-05-29 2022-12-20 Dow Global Technologies Llc Métodos para produzir um catalisador pós-metalocênico atenuado, de alimentar um catalisador pós-metalocênico a um reator de polimerização em fase de lama ou em fase gasosa e para produzir um polímero poliolefínico, catalisador pós-metalocênico atenuado, e, sistema de catalisador multimodal
EP4157898A1 (en) 2020-05-29 2023-04-05 Dow Global Technologies LLC Chemically converted catalysts
WO2021243214A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Catalyst systems and processes for producing polyethylene using the same
WO2021243145A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Chemically converted catalysts
EP4157896A1 (en) 2020-05-29 2023-04-05 Dow Global Technologies LLC Attenuated post-metallocene catalysts
KR20230018410A (ko) 2020-05-29 2023-02-07 다우 글로벌 테크놀로지스 엘엘씨 감쇠된 하이브리드 촉매
CN115667329A (zh) 2020-05-29 2023-01-31 尤尼威蒂恩技术有限责任公司 用于挤出吹塑转筒应用的具有改善的模量的单反应器双峰聚乙烯
US20230144520A1 (en) 2020-05-29 2023-05-11 Dow Global Technologies Llc Attenuated post-metallocene catalysts
KR20230018407A (ko) 2020-05-29 2023-02-07 다우 글로벌 테크놀로지스 엘엘씨 촉매 시스템 및 이를 사용한 폴리에틸렌의 제조 공정
BR112022023873A2 (pt) 2020-05-29 2022-12-20 Dow Global Technologies Llc Pró-catalisador, sistema catalisador, método para produzir um sistema catalisador, e, processo para produzir polietileno
JP2023538502A (ja) 2020-08-05 2023-09-08 ダウ グローバル テクノロジーズ エルエルシー 二峰性ポリエチレンを含む熱可塑性組成物及びそれから製造される物品
US20230272196A1 (en) 2020-08-05 2023-08-31 Dow Global Technologies Llc Thermoplastic compositions comprising recycled polymers and articles manufactured therefrom
CN114405486B (zh) * 2021-11-17 2023-06-23 重庆科技学院 防污抗菌和防染料吸附功能的多孔冻凝胶的制备方法
CN118302456A (zh) 2021-11-23 2024-07-05 陶氏环球技术有限责任公司 用于在气相聚合反应器中制备聚乙烯和聚乙烯共聚物树脂的含有锗桥接的、蒽基取代的双-联苯-苯氧基有机金属化合物的负载型催化剂体系
KR20240107334A (ko) 2021-11-23 2024-07-09 다우 글로벌 테크놀로지스 엘엘씨 기상 중합 반응기에서 폴리에틸렌 및 폴리에틸렌 공중합체 수지를 제조하기 위한 규소-가교, 안트라세닐 치환된 비스-바이페닐-페녹시 유기금속성 화합물을 함유하는 지지 촉매 시스템
CA3238459A1 (en) 2021-11-23 2023-06-01 Andrew M. Camelio Supported catalyst systems containing a carbon bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and polyethylene copolymer resins in a gas phase polymerization reactor

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688002A (en) * 1950-03-11 1954-08-31 Houdry Process Corp Method of preparing a silica-magnesia-alumina gel catalyst
FR1090868A (fr) * 1953-11-21 1955-04-05 Standard Oil Dev Co Préparation de gels d'oxydes hydrates purifiés
GB1054588A (es) 1964-07-27 1900-01-01
US3404097A (en) * 1965-08-16 1968-10-01 Grace W R & Co Method for preparing silica-magnesiafluoride catalyst
US4176090A (en) 1975-11-18 1979-11-27 W. R. Grace & Co. Pillared interlayered clay materials useful as catalysts and sorbents
IL50548A (en) 1976-09-23 1979-10-31 Yissum Res Dev Co Process for preparation of molecular sieves
US4238364A (en) 1979-04-03 1980-12-09 University Of Utah Class of cracking catalysts acidic forms of cross-linked smectities
US4248739A (en) 1979-09-04 1981-02-03 W. R. Grace & Co. Stabilized pillared interlayered clays
US4271043A (en) 1979-09-04 1981-06-02 W. R. Grace & Co. Pillared interlayered clay products
US4666887A (en) 1980-11-28 1987-05-19 Proter S.P.A. Intravenous or intraperitoneal administration of a tripeptide compound for treating cancer
US4367163A (en) 1981-04-15 1983-01-04 Research Corporation Silica-clay complexes
JPS59133209A (ja) * 1983-01-20 1984-07-31 Chisso Corp オレフィン重合触媒用担体
US4507396A (en) * 1983-08-18 1985-03-26 Chevron Research Company Solid body preparation and formation by agglomeration in an immiscible solvent
FR2584698B1 (fr) * 1985-07-15 1990-05-18 Rhone Poulenc Spec Chim Procede de preparation de particules de silice spheroidales
US4761391A (en) 1986-06-30 1988-08-02 Union Oil Company Of California Delaminated clays and their use in hydrocarbon conversion processes
JPS63230581A (ja) 1987-03-17 1988-09-27 科学技術庁無機材質研究所長 開放型微細空孔の粘土多孔体の製造方法
JPH01103908A (ja) 1987-10-15 1989-04-21 Res Dev Corp Of Japan 層間分離性層状体の製造法
IT1240613B (it) * 1990-03-26 1993-12-17 Enichem Anic Spa Catalizzatore supportato per la polimerizzazione e la copolimerizzazione di composti olefinicamente insaturi, e procedimento di (co) polimerizzazione impiegante lo stesso
TW218884B (es) 1991-05-01 1994-01-11 Mitsubishi Kakoki Kk
US5362825A (en) 1992-07-13 1994-11-08 Phillips Petroleum Company Catalysts for polymerizing olefins and methods
CA2116259A1 (en) * 1993-02-23 1994-08-24 Akira Sano Solid catalyst components for olefin polymerization and use thereof
EP0658576B1 (en) 1993-12-17 1998-07-29 Tosoh Corporation Olefin polymerization catalyst and olefin polymerization process
US5529965A (en) 1994-10-28 1996-06-25 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
US6486089B1 (en) * 1995-11-09 2002-11-26 Exxonmobil Oil Corporation Bimetallic catalyst for ethylene polymerization reactions with uniform component distribution
KR100225565B1 (ko) * 1996-12-12 1999-10-15 유규재 초미세 규산 알루미늄염의 제조법

Also Published As

Publication number Publication date
US6376421B2 (en) 2002-04-23
HUP0102238A3 (en) 2002-06-28
CN1295496A (zh) 2001-05-16
KR20010052221A (ko) 2001-06-25
ID25657A (id) 2000-10-19
AR014776A1 (es) 2001-03-28
WO1999048605A1 (en) 1999-09-30
DE69908103D1 (de) 2003-06-26
JP2002507533A (ja) 2002-03-12
EP1066110B1 (en) 2003-05-21
HUP0102238A2 (hu) 2001-10-28
DE69908103T2 (de) 2004-03-25
BR9909200A (pt) 2000-11-14
AU2977899A (en) 1999-10-18
CA2322952C (en) 2007-10-02
TR200002753T2 (tr) 2000-12-21
CA2322952A1 (en) 1999-09-30
ATE240783T1 (de) 2003-06-15
PL343326A1 (en) 2001-08-13
EP1066110A1 (en) 2001-01-10
US20010012819A1 (en) 2001-08-09

Similar Documents

Publication Publication Date Title
ZA992310B (en) Ion exchanged aluminum-magnesium silicate aerogels and catalyst supports therefrom.
IL140333A0 (en) Verified payment system
GB9813367D0 (en) Catalyst
AP2000001867A0 (en) Transaction system
GB9822123D0 (en) Catalyst
GB9816556D0 (en) Therapy
GB2334194B (en) Stirrup
GB2333493B (en) Transaction system
ZA996020B (en) Heat stable antacid and antigas suspensions.
GB2407128B (en) Secure access system
GB2352934B (en) Wireless intercommunicating system
GB9808561D0 (en) Security arrangement
AU135952S (en) Stirrup
GB9626611D0 (en) Agglomerated silicas
GB9827088D0 (en) Silylating agent
GB9808014D0 (en) Payment system
HU1776U (en) Axle
GB9801439D0 (en) Transaction system
GB9806039D0 (en) Therapy
GB9805023D0 (en) Safe brake
GB9813611D0 (en) Headache
TW390323U (en) Noisefree brake block
GB9811343D0 (en) Security system
IL128171A0 (en) Security system
GB9817844D0 (en) Security unit