IT1037769B - Procedimento per polimerizzare etilene - Google Patents

Procedimento per polimerizzare etilene

Info

Publication number
IT1037769B
IT1037769B IT22898/75A IT2289875A IT1037769B IT 1037769 B IT1037769 B IT 1037769B IT 22898/75 A IT22898/75 A IT 22898/75A IT 2289875 A IT2289875 A IT 2289875A IT 1037769 B IT1037769 B IT 1037769B
Authority
IT
Italy
Prior art keywords
procedure
polymerizing ethylene
polymerizing
ethylene
Prior art date
Application number
IT22898/75A
Other languages
English (en)
Original Assignee
Asahi Chemical Ind
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
Priority claimed from JP49047512A external-priority patent/JPS5236788B2/ja
Priority claimed from JP6651474A external-priority patent/JPS5236795B2/ja
Priority claimed from JP6813574A external-priority patent/JPS5236914B2/ja
Application filed by Asahi Chemical Ind filed Critical Asahi Chemical Ind
Application granted granted Critical
Publication of IT1037769B publication Critical patent/IT1037769B/it

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
IT22898/75A 1974-04-30 1975-04-30 Procedimento per polimerizzare etilene IT1037769B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP49047512A JPS5236788B2 (it) 1974-04-30 1974-04-30
JP6651474A JPS5236795B2 (it) 1974-06-13 1974-06-13
JP6813574A JPS5236914B2 (it) 1974-06-17 1974-06-17

Publications (1)

Publication Number Publication Date
IT1037769B true IT1037769B (it) 1979-11-20

Family

ID=27292999

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22898/75A IT1037769B (it) 1974-04-30 1975-04-30 Procedimento per polimerizzare etilene

Country Status (10)

Country Link
US (1) US4004071A (it)
BR (1) BR7502578A (it)
CA (1) CA1039263A (it)
DE (1) DE2519071C3 (it)
FR (1) FR2269540B1 (it)
GB (1) GB1498852A (it)
HK (1) HK83779A (it)
IT (1) IT1037769B (it)
MY (1) MY8000171A (it)
NL (1) NL7505086A (it)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1062692A (en) * 1974-05-25 1979-09-18 Itsuho Aishima Process for polymerizing ethylene
JPS6020405B2 (ja) * 1976-04-06 1985-05-22 三井東圧化学株式会社 低密度ポリエチレンの製造方法
JPS607642B2 (ja) * 1977-02-16 1985-02-26 旭化成株式会社 ボリアルフアオレフインの製造用触媒
DE2742585A1 (de) * 1976-09-28 1978-03-30 Asahi Chemical Ind Neue polymerisationskatalysatoren und ihre verwendung (i)
US4120820A (en) * 1976-12-01 1978-10-17 The Dow Chemical Company High efficiency catalyst for polymerizing olefins
US4189553A (en) * 1976-12-01 1980-02-19 The Dow Chemical Company High efficiency catalyst for polymerizing olefins
NL7702323A (nl) * 1977-03-04 1978-09-06 Stamicarbon Katalysator voor de bereiding van polyalkenen.
US4159256A (en) * 1977-06-02 1979-06-26 Asahi Kasei Kogyo Kabushiki Kaisha Catalyst for polymerizing olefins and polymerization method of olefins carried out therewith
US4133824A (en) * 1977-08-17 1979-01-09 Texas Alkyls, Inc. Organo-magnesium complexes and process for their preparation
US4268418A (en) * 1978-06-05 1981-05-19 Chemplex Company Polymerization catalyst
DE2837481C2 (de) * 1978-08-28 1983-08-04 Ruhrchemie Ag, 4200 Oberhausen Verfahren zur Herstellung von Polymerisaten des Ethylens
FR2436794A1 (fr) * 1978-09-22 1980-04-18 Naphtachimie Sa Procede de polymerisation de l'ethylene et produits en resultant
US4277370A (en) * 1979-02-15 1981-07-07 Standard Oil Company (Indiana) Alpha-olefin polymerization catalyst
JPS55164205A (en) * 1979-06-07 1980-12-20 Sumitomo Chem Co Ltd Multistage polymerization of ethylene
US4244838A (en) * 1979-06-25 1981-01-13 The Dow Chemical Company High efficiency catalyst for polymerizing olefins
US4246383A (en) * 1979-06-25 1981-01-20 The Dow Chemical Company Process for polymerizing olefins in the presence of a catalyst prepared from an organomagnesium component which does not reduce TiCl4
US4383096A (en) * 1979-08-01 1983-05-10 Chemplex Company Method of polymerizing 1-olefins
US4263171A (en) * 1979-08-01 1981-04-21 Chemplex Company Polymerization catalyst
JPS5641213A (en) * 1979-09-10 1981-04-17 Asahi Chem Ind Co Ltd Ethylene-alpha-olefin copolymer powder for powder molding
DE2946562C2 (de) * 1979-11-17 1985-02-21 Asahi Kasei Kogyo K.K., Osaka Feste titan- und/oder vanadiumhaltige Katalysatorkomponente und deren Verwendung in Kombination mit einer Organometallverbindung als Katalysatorsystem für die Polymerisation von Äthylen
US4496660A (en) * 1980-10-01 1985-01-29 The Dow Chemical Company Catalyst prepared from organo-magnesium compound; oxygen- or nitrogen-containing compound; halide source; transition metal compound and reducing agent
US4381252A (en) * 1981-01-29 1983-04-26 Asahi Kasei Kogyo Kabushiki Kaisha Catalyst for producing polyolefins
US4387045A (en) * 1981-04-01 1983-06-07 Asahi Kasei Kogyo Kabushiki Kaisha Olefin polymerization catalyst and a process for producing polyolefins by the use of said catalyst
US4359403A (en) * 1981-04-13 1982-11-16 Chemplex Company Polymerization catalyst and method
US4451574A (en) * 1981-09-30 1984-05-29 Exxon Research & Engineering Co. Polymerization catalyst
US4482639A (en) * 1982-09-15 1984-11-13 The Standard Oil Company Catalysts for the polymerization of ethylene
US4434282A (en) 1982-10-04 1984-02-28 The Dow Chemical Company Process for polymerizing olefins
US4727123A (en) * 1983-04-14 1988-02-23 The Standard Oil Company Catalysts for the polymerization of conjugated dienes
US4657998A (en) * 1983-08-31 1987-04-14 Exxon Research & Engineering Co. Polyethylene with broad molecular weight distribution
US4593010A (en) * 1983-08-31 1986-06-03 Exxon Research & Engineering Co. Polyethylene with broad molecular weight distribution
JPH07116253B2 (ja) * 1986-01-21 1995-12-13 東ソー株式会社 ポリオレフインの製造方法
US4981826A (en) * 1989-11-17 1991-01-01 Exxon Chemical Patents Inc. Polymerization catalyst prepared with a halogenated silane compound
US5114897A (en) * 1990-04-18 1992-05-19 The Dow Chemical Company Catalyst and process for polymerizing olefins
US5045612A (en) * 1990-04-18 1991-09-03 The Dow Chemical Company Catalyst and process for polymerizing olefins
US5968862A (en) * 1992-06-10 1999-10-19 Chevron Chemical Company Transition metal-magnesium catalyst precursors for the polymerization of olefins
US5344803A (en) * 1993-01-29 1994-09-06 Quantum Chemical Corporation Cocatalyst for transition metal-containing α-olefin polymerization catalyst
US5346872A (en) * 1993-01-29 1994-09-13 Quantum Chemical Corporation Cocatalyst for vanadium/titanium containing polymerization catalyst
US5334567A (en) * 1993-01-29 1994-08-02 Quantum Chemical Corporation Cocatalyst for vanadium-containing ethylene polymerization catalyst
US5412025A (en) * 1993-08-30 1995-05-02 Quantum Chemical Corporation Method to reactor-fill polyolefins by employing a sticky prepolymer as a blending and compatibilizing agent
US5422386A (en) * 1993-08-30 1995-06-06 Quantum Chemical Corporation Process to simultaneously reactor-fill polyolefins and compatibilize fillers with polyolefins
US5412001A (en) * 1993-08-30 1995-05-02 Quantum Chemical Corporation Method to reactor-fill polyolefins by formation of a dual catalyst system causing compatibilization of the filler with the maxtrix polymer
KR100332221B1 (ko) * 1994-06-22 2002-08-08 에스케이 주식회사 에틸렌중합체제조용촉매의제조방법과이를이용한에틸렌중합체의제조방법
US5534472A (en) * 1995-03-29 1996-07-09 Quantum Chemical Corporation Vanadium-containing catalyst system
US5670439A (en) * 1995-03-29 1997-09-23 Quantum Chemical Corporation Vanadium-containing catalyst system
FI20040755A0 (fi) * 2004-06-02 2004-06-02 Borealis Tech Oy Menetelmä olefiinipolymerointikatalyytin valmistamiseksi ja tällä menetelmällä valmistettu katalyytti
WO2006009977A1 (en) 2004-06-21 2006-01-26 Exxonmobil Chemical Patents Inc. Polymerization process
US7709577B2 (en) 2005-12-07 2010-05-04 Exxonmobil Chemical Patents Inc. Process of making polymer blends
US7256240B1 (en) 2006-12-22 2007-08-14 Exxonmobil Chemical Patents Inc. Process of making polymer blends
US20090048402A1 (en) * 2007-08-17 2009-02-19 Lynch Michael W Preparing multimodal polyethylene having controlled long chain branching distribution
EP3064518A1 (de) * 2015-03-04 2016-09-07 Sika Technology AG Verbesserte tieftemperaturschlagzähigkeit in ptmeg basierenden polyurethan-schlagzähigkeitsmodifikatoren

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL139981B (nl) * 1969-06-04 1973-10-15 Stamicarbon Werkwijze voor de bereiding van oplosbare complexen van magnesiumdialkylen en organo-aluminiumverbindingen.
NL164867C (nl) * 1971-03-11 1981-02-16 Stamicarbon Werkwijze voor het polymeriseren van alfa-alkenen.
CA977766A (en) * 1971-07-13 1975-11-11 Dennis B. Malpass Organoaluminum-organomagnesium complexes

Also Published As

Publication number Publication date
NL7505086A (nl) 1975-11-03
CA1039263A (en) 1978-09-26
DE2519071C3 (de) 1982-06-03
MY8000171A (en) 1980-12-31
DE2519071B2 (de) 1979-04-12
FR2269540B1 (it) 1979-02-09
GB1498852A (en) 1978-01-25
DE2519071A1 (de) 1975-11-06
BR7502578A (pt) 1976-03-09
HK83779A (en) 1979-12-14
US4004071A (en) 1977-01-18
FR2269540A1 (it) 1975-11-28

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940428