DK266888A - Copolymer af ethylen og mindst en anden x-olefin monomer samt fremgangsmaade til fremstilling af samme og anvendelse i en smoereolie - Google Patents

Copolymer af ethylen og mindst en anden x-olefin monomer samt fremgangsmaade til fremstilling af samme og anvendelse i en smoereolie

Info

Publication number
DK266888A
DK266888A DK266888A DK266888A DK266888A DK 266888 A DK266888 A DK 266888A DK 266888 A DK266888 A DK 266888A DK 266888 A DK266888 A DK 266888A DK 266888 A DK266888 A DK 266888A
Authority
DK
Denmark
Prior art keywords
olephine
monomer
copolymer
procedures
ethylene
Prior art date
Application number
DK266888A
Other languages
Danish (da)
English (en)
Other versions
DK266888D0 (da
Inventor
Gary William Ver Strate
Ricardo Alfredo Bloch
Mark Joseph Struglinski
John Eric Johnston
Roger Karl West
Original Assignee
Exxon Chemical Patents Inc
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 Chemical Patents Inc filed Critical Exxon Chemical Patents Inc
Publication of DK266888D0 publication Critical patent/DK266888D0/da
Publication of DK266888A publication Critical patent/DK266888A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/02—Polyethylene
    • 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
    • C08F210/02—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
    • 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
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/022—Ethene
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/10—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing cycloaliphatic monomers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Lubricants (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Sealing Material Composition (AREA)
DK266888A 1987-07-13 1988-05-16 Copolymer af ethylen og mindst en anden x-olefin monomer samt fremgangsmaade til fremstilling af samme og anvendelse i en smoereolie DK266888A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/072,825 US4804794A (en) 1987-07-13 1987-07-13 Viscosity modifier polymers

Publications (2)

Publication Number Publication Date
DK266888D0 DK266888D0 (da) 1988-05-16
DK266888A true DK266888A (da) 1989-01-14

Family

ID=22109976

Family Applications (1)

Application Number Title Priority Date Filing Date
DK266888A DK266888A (da) 1987-07-13 1988-05-16 Copolymer af ethylen og mindst en anden x-olefin monomer samt fremgangsmaade til fremstilling af samme og anvendelse i en smoereolie

Country Status (13)

Country Link
US (2) US4804794A (fr)
EP (1) EP0299608B1 (fr)
JP (1) JP2819131B2 (fr)
AR (1) AR246281A1 (fr)
AU (1) AU604319B2 (fr)
BR (1) BR8802517A (fr)
CA (1) CA1300775C (fr)
DE (1) DE3882838T2 (fr)
DK (1) DK266888A (fr)
ES (1) ES2058278T3 (fr)
FI (1) FI95581C (fr)
MX (1) MX174167B (fr)
NO (1) NO171986C (fr)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5277833A (en) * 1988-08-01 1994-01-11 Exxon Chemical Patents Inc. Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid lubricant dispersant additives
US5759967A (en) * 1988-08-01 1998-06-02 Exxon Chemical Patents Inc Ethylene α-olefin/diene interpolymer-substituted carboxylic acid dispersant additives
CA2034759C (fr) * 1988-08-01 2003-06-03 Won R. Song Additifs dispersants a base de polymere olefinique de l'ethylene substitue par des acides mono et dicarboxyliques
US5350532A (en) * 1988-08-01 1994-09-27 Exxon Chemical Patents Inc. Borated ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives
US5229022A (en) * 1988-08-01 1993-07-20 Exxon Chemical Patents Inc. Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920)
US5266223A (en) * 1988-08-01 1993-11-30 Exxon Chemical Patents Inc. Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives
US4966722A (en) * 1988-11-16 1990-10-30 Exxon Chemical Patents Inc. Oil additive compositions exhibiting reduced haze containing polymeric viscosity index improver
US4908146A (en) * 1988-11-16 1990-03-13 Exxon Chemical Patents Inc. Oil additive compositions exhibiting reduced haze containing polymeric viscosity index improver
US5112510A (en) * 1989-02-28 1992-05-12 Exxon Chemical Patents Inc. Carboxylate polymer and viscosity index improver containing oleaginous compositions
US4963279A (en) * 1989-02-28 1990-10-16 Exxon Chemical Patents Inc. C14-carboxylate polymer and viscosity index improver containing oleaginous compositions
CA2015551A1 (fr) * 1989-05-30 1990-11-30 Exxon Chemicals Patents Inc. Produit multi-fonction servant a relever l'indice de viscosite et presentant des proprietes viscometriques ameliorees a basse temperature
US5252238A (en) * 1989-05-30 1993-10-12 Exxon Chemical Patents Inc. Multifunctional viscosity index improver derived from amido-amine exhibiting improved low temperature viscometric properties
CA2015058C (fr) * 1989-05-30 1999-05-04 Antonio Gutierrez Ameliorant multifonctionnel d'indice de viscosite derive de polyamines renfermant un groupe amine primaire et au moins un groupe amine secondaire presentant des caracteristiques viscometriques ameliorees a basse temperature
US5167848A (en) * 1989-05-30 1992-12-01 Exxon Chemical Patents Inc. Grafted viscosity index improver
US5262075A (en) * 1989-05-30 1993-11-16 Exxon Chemical Patents Inc. Multifunctional viscosity index improver exhibitng improved low temperature viscometric properties
US5210146A (en) * 1989-05-30 1993-05-11 Exxon Chemical Patents Inc. Multifunctional viscosity index improver derived from polyamine containing one primary amino group and at least one secondary amino group exhibiting improved low temperature viscometric properties
US5053151A (en) * 1989-05-30 1991-10-01 Exxon Chemical Patents Inc. Multifunctional viscosity index improver derived from amido-amine exhibiting improved low temperature viscometric properties
US5110489A (en) * 1989-06-27 1992-05-05 Exxon Research And Engineering Company Water resistant grease composition
US5068047A (en) * 1989-10-12 1991-11-26 Exxon Chemical Patents, Inc. Visosity index improver
CA2025992A1 (fr) * 1989-10-12 1991-04-13 David Y. Chung Amelioration de l'indice de viscosite a l'aide d'un agent multifonctionnel, derive d'une polyamine renfermant un groupe amine primaire et au moins un groupe amine tertiaire ainsi qu'un copolymere d'ethylene degrade
EP0422857A3 (en) * 1989-10-12 1991-12-11 Exxon Chemical Patents Inc. Multifunctional viscosity index improver
US5244590A (en) * 1989-10-12 1993-09-14 Exxon Chemical Patents Inc. Viscosity index improver
US5118433A (en) * 1989-10-12 1992-06-02 Exxon Chemical Patents Inc. Multifunctional viscosity index improver derived from amido-amine and degraded ethylene copolymer exhibiting improved low temperature viscometric properties
US5310490A (en) * 1991-03-13 1994-05-10 Exxon Chemical Products Inc. Viscosity modifer polymers
US5310814A (en) * 1991-03-15 1994-05-10 Exxon Chemical Patents Inc. Viscosity modifier polybutadiene polymers
US6291384B1 (en) 1991-11-06 2001-09-18 Mobil Oil Corporation High activity catalyst prepared with alkoxysilanes
US5939348A (en) * 1991-11-06 1999-08-17 Mobil Oil Corporation Catalyst for the manufacture of polythylene with a narrow molecular weight distribution
US5470812A (en) * 1991-11-06 1995-11-28 Mobil Oil Corporation High activity polyethylene catalysts prepared with alkoxysilane reagents
US6545088B1 (en) 1991-12-30 2003-04-08 Dow Global Technologies Inc. Metallocene-catalyzed process for the manufacture of EP and EPDM polymers
JP3670010B2 (ja) * 1993-11-18 2005-07-13 モービル・オイル・コーポレーション 触媒組成物の製造方法
RU2155777C2 (ru) * 1994-04-06 2000-09-10 Эксон Кемикэл Пейтентс Инк. ЭТИЛЕН-α-ОЛЕФИНОВЫЙ БЛОК СОПОЛИМЕРОВ И СПОСОБ ЕГО ПОЛУЧЕНИЯ
ES2125612T3 (es) * 1994-04-06 1999-03-01 Exxon Chemical Patents Inc Copolimeros de bloques de etileno y alfa-olefina y metodos para su produccion.
CA2207676A1 (fr) * 1994-12-20 1996-06-27 Elisavet P. Vrahopoulou Huile de moteur permettant de realiser des economies de carburant
IT1282635B1 (it) * 1996-02-16 1998-03-31 Enichem Elastomers Componente catalitico al vanadio e suo utilizzo nella preparazione di ep(d)m
US6015779A (en) * 1996-03-19 2000-01-18 Energy & Environmental International, L.C. Methods for forming amorphous ultra-high molecular weight polyalphaolefin drag reducing agents
US6124513A (en) 1997-06-20 2000-09-26 Pennzoil-Quaker State Company Ethylene-alpha-olefin polymers, processes and uses
US6586646B1 (en) 1997-06-20 2003-07-01 Pennzoil-Quaker State Company Vinylidene-containing polymers and uses thereof
US6110880A (en) * 1997-06-24 2000-08-29 Exxon Chemical Patents Inc Polyolefin block copolymer viscosity modifier
DE19754555A1 (de) * 1997-12-09 1999-06-24 Clariant Gmbh Verfahren zur Herstellung von Ethylen-Mischpolymerisaten und deren Verwendung als Zusatz zu Mineralöl und Mineralöldestillaten
DE69926015T2 (de) 1998-12-09 2006-05-18 Mitsui Chemicals, Inc. Vikositätsveränderer für schmieröle und schmierölzusammensetzung
WO2000060032A1 (fr) * 1999-03-30 2000-10-12 Mitsui Chemicals, Inc. Regulateur de viscosite pour huile de graissage et composition d'huile de graissage
KR100998236B1 (ko) * 2000-01-26 2010-12-06 미쓰이 가가쿠 가부시키가이샤 올레핀 중합체 및 그의 제조 방법
AU8087901A (en) * 2000-07-31 2002-02-13 Lubrizol Corp Viscosity improver compositions providing improved low temperature characteristics to lubricating oils
US6815011B2 (en) 2000-11-27 2004-11-09 Energy & Environmental International, L.C. Alpha olefin monomer partitioning agents for drag reducing agents and methods of forming drag reducing agents using alpha olefin monomer partitioning agents
DE60235444D1 (de) 2001-01-16 2010-04-08 Beta Technologies Ag Verfahren zur herstellung von amorphen polyolefinen mit ultrahohem molekulargewicht zur strömungbeschleunigung
SG120869A1 (en) * 2001-05-31 2006-04-26 Mitsui Chemicals Inc Olefin block copolymer, viscosity index improver for lubricating oils and lubricating oil composition
US7022766B2 (en) * 2001-05-31 2006-04-04 Mitsui Chemicals, Inc. Olefin block copolymer, viscosity index improver for lubricating oils and lubricating oil composition
US7012046B2 (en) * 2001-06-08 2006-03-14 Eaton Gerald B Drag reducing agent slurries having alfol alcohols and processes for forming drag reducing agent slurries having alfol alcohols
JP4728643B2 (ja) * 2002-10-02 2011-07-20 ダウ グローバル テクノロジーズ エルエルシー 液状およびゲル状の低分子量エチレンポリマー類
US20050124509A1 (en) * 2003-12-04 2005-06-09 Antonio Gutierrez Lubricating oil compositions
US20070191242A1 (en) * 2004-09-17 2007-08-16 Sanjay Srinivasan Viscosity modifiers for lubricant compositions
US8192695B2 (en) * 2005-05-04 2012-06-05 Fina Technology, Inc. Reactor apparatus having reduced back mixing
WO2008005100A1 (fr) * 2006-06-30 2008-01-10 Exxonmobil Chemical Patents Inc. Modificateurs d'indice de viscosité et compositions lubrifiantes contenant de tels modificateurs d'indice de viscosité
WO2009012153A1 (fr) * 2007-07-13 2009-01-22 Dow Global Technologies Inc. Additif améliorant l'indice de viscosité pour compositions lubrifiantes
CN101855078B (zh) * 2007-07-13 2014-08-27 陶氏环球技术有限责任公司 含有低结晶度硬嵌段的乙烯／α-烯烃互聚物
US8486878B2 (en) * 2007-07-13 2013-07-16 Dow Global Technologies, Llc Viscosity index improver for lubricant compositions
BRPI0812644B1 (pt) * 2007-07-13 2019-07-09 Dow Global Technologies Inc. Interpolímero em bloco de etileno/a-olefina
US9518244B2 (en) 2007-12-03 2016-12-13 Infineum International Limited Lubricant composition comprising a bi-modal side-chain distribution LOFI
US20090143263A1 (en) 2007-12-03 2009-06-04 Bloch Ricardo A Lubricant composition comprising a bi-modal side-chain distribution lofi
US20120028866A1 (en) 2010-07-28 2012-02-02 Sudhin Datta Viscosity Modifiers Comprising Blends of Ethylene-Based Copolymers
US8378042B2 (en) * 2009-04-28 2013-02-19 Exxonmobil Chemical Patents Inc. Finishing process for amorphous polymers
US9416206B2 (en) * 2010-01-22 2016-08-16 Exxonmobil Chemical Patents Inc. Lubricating oil compositions and method for making them
US9115237B2 (en) 2012-07-18 2015-08-25 Chevron Oronite Company Llc Viscosity improver grafted with unsaturated acylating agent and an aryloxyalylkene monoamine
US9260552B2 (en) 2013-11-15 2016-02-16 Exxonmobil Chemical Patents Inc. Process to produce polymers from pyridyldiamido transition metal complexes and use thereof
KR102813707B1 (ko) 2016-01-22 2025-05-28 셰브런 오로나이트 컴퍼니 엘엘씨 올레핀 공중합체 분산제-유형 점도 향상제 및 아민 화합물의 혼합물을 함유하는 시너지 윤활유 조성물
CN108730770A (zh) 2017-04-13 2018-11-02 通用电气公司 用于油的防蜡剂以及用防蜡剂来减少油产生蜡沉积的方法
EP3762475B1 (fr) 2018-03-08 2025-08-20 ExxonMobil Chemical Patents Inc. Copolymères d'éthylène-propylène ramifiés à utiliser en tant que modificateurs de viscosité à économie de carburant améliorée
WO2019173598A1 (fr) 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Copolymères linéaires d'éthylène et de propylène en tant que modificateurs de viscosité
WO2021041406A1 (fr) 2019-08-27 2021-03-04 Chevron Oronite Company Llc Copolymères d'éthylène et utilisation en tant que modificateurs de viscosité
US11773343B2 (en) 2021-11-17 2023-10-03 Afton Chemical Corporation Engine oil formulation with improved Sequence VIII performance
US11898119B2 (en) 2022-01-25 2024-02-13 Afton Chemical Corporation Lubricating oil compositions with resistance to engine deposit and varnish formation
US11788027B2 (en) 2022-02-18 2023-10-17 Afton Chemical Corporation Engine oil formulation with improved sequence VIII performance

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US478697A (en) * 1892-07-12 Disinfecting apparatus
US3798288A (en) * 1959-06-11 1974-03-19 Monsanto Co Ethylene/propylene block copolymers
US3035040A (en) * 1960-02-24 1962-05-15 Phillips Petroleum Co Reaction process for polymerization
NL122826C (fr) * 1960-10-17
US3162620A (en) * 1961-05-04 1964-12-22 Du Pont Ethylene polymers prepared in the form of a coherent film at a quiescent liquid catalyst surface
BE637093A (fr) * 1962-09-10
US3380978A (en) * 1965-06-17 1968-04-30 Du Pont Process for producing hydrocarbon polymers
US3389087A (en) * 1965-12-23 1968-06-18 Exxon Research Engineering Co Lubricant containing ethylene-alpha-olefin polymers
GB1205243A (en) * 1966-09-23 1970-09-16 Du Pont Oil compositions
US3522180A (en) * 1967-09-28 1970-07-28 Texaco Inc Lubricating oil compositions containing amorphous ethylene-propylene copolymers
FR1585028A (fr) * 1968-05-14 1970-01-09
US3551336A (en) * 1969-06-30 1970-12-29 Exxon Research Engineering Co Lubricant containing ethylene-alpha-olefin polymer
US3681306A (en) * 1969-10-24 1972-08-01 Du Pont Epdm polymerization process
NL170019C (nl) * 1970-06-02 Exxon Research Engineering Co Werkwijze ter bereiding van een smeeroliemengsel.
US3879494A (en) * 1971-02-22 1975-04-22 Cpc International Inc Polyblends of chemically joined, phase separated thermoplastic graft copolymers
US4065520A (en) * 1976-06-04 1977-12-27 Union Carbide Corporation Gradient polymers of two or more alpha mono-olefinic monomers capable of polymerizing with themselves and each other
US4135044A (en) * 1977-08-08 1979-01-16 Exxon Research & Engineering Co. Process for achieving high conversions in the production of polyethylene
US4414369A (en) * 1977-08-17 1983-11-08 Nippon Oil Company, Limited Continuous process for the preparation of polyolefins having widely distributed molecular weights
JPS54139693A (en) * 1978-04-21 1979-10-30 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer
JPS5655416A (en) * 1979-10-13 1981-05-16 Sumitomo Chem Co Ltd Production of propylene/ethylene block copolymer
US4620048A (en) * 1980-03-26 1986-10-28 Exxon Research & Engineering Co. Hydrocarbon solutions of macromolecular polymers having an improved resistance to mechanical degradation
US4505834A (en) * 1980-10-27 1985-03-19 Edwin Cooper, Inc. Lubricating oil compositions containing graft copolymer as viscosity index improver-dispersant
EP0060609B2 (fr) * 1981-01-13 1994-09-28 Mitsui Petrochemical Industries, Ltd. Procédé de production d'un copolymère d'éthylène et d'une alpha oléfine
JPS57131212A (en) * 1981-02-04 1982-08-14 Sumitomo Chem Co Ltd Production of alpha-olefin copolymer having excellent processability
NL8200049A (nl) * 1982-01-08 1983-08-01 Stamicarbon Thermoplastisch propeenblokcopolymeer.
US4540753A (en) * 1983-06-15 1985-09-10 Exxon Research & Engineering Co. Narrow MWD alpha-olefin copolymers
US4716207A (en) * 1983-06-15 1987-12-29 Exxon Research & Engineering Co. Nodular copolymers comprising narrow MWD alpha-olefin copolymers coupled by non-conjugated dienes
US4480075A (en) * 1983-06-24 1984-10-30 Shell Oil Company Block copolymers of Ziegler-Natta polymerized and anionically polymerized monomers
US4507515A (en) * 1983-12-21 1985-03-26 Exxon Research & Engineering Co. Lubricating oil compositions containing ethylene-alpha-olefin polymers of controlled sequence distribution and molecular heterogeneity
CA1272846A (fr) * 1984-12-14 1990-08-14 Charles Cozewith Modification de la repartition de la masse moleculaire dans un reacteur tubulaire
US4575574A (en) * 1984-12-17 1986-03-11 Exxon Research & Engineering Co. Ethylene polymer useful as a lubricating oil viscosity modifier
DE3678024D1 (de) * 1985-03-26 1991-04-18 Mitsui Petrochemical Ind Fluessiges statisches ethylencopolymer, verfahren zur herstellung und anwendung desselben.
US4735736A (en) * 1985-07-08 1988-04-05 Exxon Chemical Patents Inc. Viscosity index improver-dispersant additive
US4749505A (en) * 1985-07-08 1988-06-07 Exxon Chemical Patents Inc. Olefin polymer viscosity index improver additive useful in oil compositions
US4668834B1 (en) * 1985-10-16 1996-05-07 Uniroyal Chem Co Inc Low molecular weight ethylene-alphaolefin copolymer intermediates

Also Published As

Publication number Publication date
DK266888D0 (da) 1988-05-16
EP0299608B1 (fr) 1993-08-04
NO171986B (no) 1993-02-15
AR246281A1 (es) 1994-07-29
FI882315L (fi) 1989-01-14
JPH01207309A (ja) 1989-08-21
AU1643288A (en) 1989-01-19
MX11578A (es) 1993-06-01
CA1300775C (fr) 1992-05-12
EP0299608A1 (fr) 1989-01-18
DE3882838D1 (de) 1993-09-09
NO882161L (no) 1989-01-16
NO882161D0 (no) 1988-05-18
AU604319B2 (en) 1990-12-13
US4900461A (en) 1990-02-13
JP2819131B2 (ja) 1998-10-30
MX174167B (es) 1994-04-26
DE3882838T2 (de) 1993-11-11
BR8802517A (pt) 1989-01-17
NO171986C (no) 1993-05-26
FI882315A0 (fi) 1988-05-17
FI95581C (fi) 1996-02-26
ES2058278T3 (es) 1994-11-01
US4804794A (en) 1989-02-14
FI95581B (fi) 1995-11-15

Similar Documents

Publication Publication Date Title
DK266888A (da) Copolymer af ethylen og mindst en anden x-olefin monomer samt fremgangsmaade til fremstilling af samme og anvendelse i en smoereolie
EP0279890A3 (en) In situ comonomer generation in olefin polymerization
IT8819179A0 (it) Dispositivo di emodiafiltrazione erelativo procedimento di emodiafiltrazione.
IT8984142A0 (it) Dispositivo per la riabilitazione in ortostatismo a carico segmentario controllato.
GB2068007B (en) Olefin polymerisation ctalyst component preparation and use
FI894627L (fi) Olefiinien polymeroinnissa käytettäviä katalysaattoreita
FI900466A7 (fi) Olefiinien polymeroinnissa käytettäviä katalyyttejä
EP0490584A3 (en) Olefin polymerization and copolymerization catalyst
IT1145690B (it) Perfezionamento nei catalizzatori a base di titantio per la polimerizzazione e copolimerizzazione di olefine e procedimento di preparazione
DE3772430D1 (de) Amorphe ethylen- und alpha-olefin-copolymere mit hohem molekulargewicht.
IT8721563A0 (it) Copolimero a blocchi e procedimento per la sua preparazione.
DK35788D0 (da) Fremgangsmaade til gruppeoverfoeringspolymerisation samt derved fremstillede polymere
KR880701740A (ko) 액체 단량체의 중합방법
DK21488D0 (da) Fremgangsmaade til fremstilling af vinylchloridbaserede polymerer og copolymerer
DE58907593D1 (de) Fotoinitiator Copolymere.
NO894624D0 (no) Kopolymerer og fremgangsmaate for deres fremstilling.
IT1169739B (it) Copolimero etilene/butene-1 post-clorurato e procedimento per la sua produzione
DE68925009D1 (de) Fluorenthaltendes nichtkristallines Copolymer.
EP0291297A3 (en) Fluorine-containing ab-type block copolymer
FI873518A7 (fi) Foerfarande foer polymerisation av -olefin.
ES536438A0 (es) Un procedimiento para preparar aleaciones polimeras a base de copolimeros de metacrilato de metilo-n-maleimida y estireno-anhidro meleico.
DE68913558D1 (de) Lithotripter mit zwei ortsbestimmungseinrichtungen in einem isozentrischen system.
DE68929188D1 (de) Polychinolin-copolymere
JPS6424812A (en) Butene-1 copolymer
ES554555A0 (es) Procedimiento para preparar una composicion polimera a base de un copolimero de estireno y anhidrico maleico.

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment