IT8222943A0 - Procedimento in fase gassosa per produrre copolimeri di etilene e alfa-olefine superiori. - Google Patents

Procedimento in fase gassosa per produrre copolimeri di etilene e alfa-olefine superiori.

Info

Publication number
IT8222943A0
IT8222943A0 IT8222943A IT2294382A IT8222943A0 IT 8222943 A0 IT8222943 A0 IT 8222943A0 IT 8222943 A IT8222943 A IT 8222943A IT 2294382 A IT2294382 A IT 2294382A IT 8222943 A0 IT8222943 A0 IT 8222943A0
Authority
IT
Italy
Prior art keywords
olefins
gaseous phase
ethylene copolymers
phase process
higher alpha
Prior art date
Application number
IT8222943A
Other languages
English (en)
Other versions
IT1152506B (it
Inventor
Charles Cozewith
Original Assignee
Exxon Research Engineering 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 Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Publication of IT8222943A0 publication Critical patent/IT8222943A0/it
Application granted granted Critical
Publication of IT1152506B publication Critical patent/IT1152506B/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
    • 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
    • C08F210/18—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
IT22943/82A 1981-08-24 1982-08-23 Procedimento in fase gassosa per produrre copolimeri di etilene e alfa-olefine superiori IT1152506B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29553381A 1981-08-24 1981-08-24

Publications (2)

Publication Number Publication Date
IT8222943A0 true IT8222943A0 (it) 1982-08-23
IT1152506B IT1152506B (it) 1987-01-07

Family

ID=23138110

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22943/82A IT1152506B (it) 1981-08-24 1982-08-23 Procedimento in fase gassosa per produrre copolimeri di etilene e alfa-olefine superiori

Country Status (10)

Country Link
JP (1) JPS5840308A (it)
AU (1) AU564574B2 (it)
BE (1) BE894163A (it)
CA (1) CA1174800A (it)
DE (1) DE3231198A1 (it)
FR (1) FR2511689B1 (it)
GB (1) GB2105355B (it)
IT (1) IT1152506B (it)
NL (1) NL8203307A (it)
SE (1) SE459735B (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4607019A (en) * 1984-12-12 1986-08-19 Exxon Research & Engineering Co. Polymerization catalyst, production and use
US4579835A (en) * 1984-12-12 1986-04-01 Exxon Research & Engineering Co. Polymerization catalyst, production and use
US4948771A (en) * 1988-12-07 1990-08-14 Union Carbide Chemicals And Plastics Company Inc. Ethylene copolymerization catalyst
BR9004489A (pt) * 1989-09-11 1991-09-10 Union Carbide Chem Plastic Borrachas de etileno/propileno/etilideno norborneno
US5030605A (en) * 1989-12-29 1991-07-09 Union Carbide Chemicals And Plastics Technology Corporation Catalyst for regulating the molecular weight distribution of ethylene polymers
US5317036A (en) * 1992-10-16 1994-05-31 Union Carbide Chemicals & Plastics Technology Corporation Gas phase polymerization reactions utilizing soluble unsupported catalysts
US5416053A (en) * 1993-06-28 1995-05-16 Union Carbide Chemicals & Plastics Technology Corporation Homogenous polyethylenes and ethylene/propylene copolymers rubbers
US5480850A (en) * 1993-06-28 1996-01-02 Union Carbide Chemical & Plastics Technology Corporation Ethylene/propylene copolymer rubbers
US5342907A (en) * 1993-06-28 1994-08-30 Union Carbide Chemicals & Plastics Technology Corporation Ethylene/propylene copolymer rubbers
US5332793A (en) * 1993-06-28 1994-07-26 Union Carbide Chemicals & Plastics Technology Corporation Ethylene/propylene copolymer rubbers
US5502127A (en) * 1994-03-31 1996-03-26 Union Carbide Chemicals & Plastics Technology Corporation Process for production of homogeneous polyethylene
US5410003A (en) * 1994-03-31 1995-04-25 Union Carbide Chemicals & Plastics Technology Corporation Process for production of homogeneous polyethylenes
US5492986A (en) * 1994-03-31 1996-02-20 Union Carbide Chemicals & Plastics Technology Corporation Process for producing homogeneous polyethylenes
US6281306B1 (en) 1999-12-16 2001-08-28 Univation Technologies, Llc Method of polymerization
US7223822B2 (en) 2002-10-15 2007-05-29 Exxonmobil Chemical Patents Inc. Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
CA2499951C (en) 2002-10-15 2013-05-28 Peijun Jiang Multiple catalyst system for olefin polymerization and polymers produced therefrom
US7985811B2 (en) 2004-01-02 2011-07-26 Univation Technologies, Llc Method for controlling sheeting in gas phase reactors
US20070073012A1 (en) 2005-09-28 2007-03-29 Pannell Richard B Method for seed bed treatment before a polymerization reaction
US7629422B2 (en) 2004-12-21 2009-12-08 Univation Technologies, Llc Process for transitioning between Ziegler-Natta-based and chromium-based catalysts
US6987152B1 (en) * 2005-01-11 2006-01-17 Univation Technologies, Llc Feed purification at ambient temperature
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
TW200936564A (en) 2007-11-15 2009-09-01 Univation Tech Llc Methods for the removal of impurities from polymerization feed streams
RU2515900C2 (ru) 2008-12-18 2014-05-20 Юнивейшн Текнолоджиз, Ллк Способ обработки зародышевого слоя реакции полимеризации
EP2938620B1 (en) 2012-12-28 2020-09-02 Univation Technologies, LLC Methods of integrating aluminoxane production into catalyst production
JP2017512876A (ja) 2014-04-02 2017-05-25 ユニベーション・テクノロジーズ・エルエルシー 連続組成物ならびにそれらの作成及び使用の方法
BR112017019133B1 (pt) 2015-03-10 2021-11-23 Univation Technologies, Llc Método para produzir uma composição de catalisador suportado para polimerização de olefina
CN107531840B (zh) 2015-04-27 2022-11-18 尤尼威蒂恩技术有限责任公司 具有改进流动特性的负载型催化剂组合物及其制备
CN117098785A (zh) 2021-04-30 2023-11-21 埃克森美孚化学专利公司 用于聚合反应器中不同聚合催化剂之间的转变的方法
CN117412994A (zh) 2021-06-10 2024-01-16 陶氏环球技术有限责任公司 具有改性活性的催化剂组合物和其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7502153A (nl) * 1974-02-27 1975-08-29 Monsanto Co Werkwijze voor de regeling van de deeltjes- grootte bij de polymerisatie van alkenen.
JPS52141888A (en) * 1976-05-21 1977-11-26 Nippon I P Rubber Kk Ethyleneepropylene copolymers rubber
JPS6030326B2 (ja) * 1978-08-17 1985-07-16 三井化学株式会社 エチレン共重合ゴムの製造方法
JPS5556110A (en) * 1978-10-20 1980-04-24 Nippon Oil Co Ltd Preparation of copolymer
JPS5556111A (en) * 1978-10-20 1980-04-24 Nippon Oil Co Ltd Preparation of copolymer
JPS5573712A (en) * 1978-11-29 1980-06-03 Nippon Oil Co Ltd Preparation of copolymer
JPS5681311A (en) * 1979-12-06 1981-07-03 Nippon Oil Co Ltd Production of polyolefin
JPS6042806B2 (ja) * 1979-12-26 1985-09-25 日石三菱株式会社 共重合体の製造方法

Also Published As

Publication number Publication date
IT1152506B (it) 1987-01-07
NL8203307A (nl) 1983-03-16
JPS5840308A (ja) 1983-03-09
FR2511689A1 (fr) 1983-02-25
GB2105355B (en) 1985-05-01
CA1174800A (en) 1984-09-18
AU8755482A (en) 1983-03-03
JPH0248004B2 (it) 1990-10-23
DE3231198A1 (de) 1983-05-11
BE894163A (nl) 1983-02-23
AU564574B2 (en) 1987-08-20
SE459735B (sv) 1989-07-31
SE8204841L (sv) 1983-02-25
FR2511689B1 (fr) 1986-07-04
GB2105355A (en) 1983-03-23
SE8204841D0 (sv) 1982-08-24

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