ES2034650T3 - Procedimiento para reducir la opalinidad en aceites lubricantes. - Google Patents

Procedimiento para reducir la opalinidad en aceites lubricantes.

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Publication number
ES2034650T3
ES2034650T3 ES198989311914T ES89311914T ES2034650T3 ES 2034650 T3 ES2034650 T3 ES 2034650T3 ES 198989311914 T ES198989311914 T ES 198989311914T ES 89311914 T ES89311914 T ES 89311914T ES 2034650 T3 ES2034650 T3 ES 2034650T3
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Spain
Prior art keywords
ethylene
weight
copolymer
acid
chain
Prior art date
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Expired - Lifetime
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ES198989311914T
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English (en)
Inventor
Marvin Frederick Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Chemical Patents Inc
Original Assignee
Exxon Chemical Patents Inc
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    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/02—Polyethene
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    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26—Carboxylic acids; Salts thereof
    • C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
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    • 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
    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C10N2070/02—Concentrating of additives

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

COMPOSICIONES LUBRICANTES QUE COMPRENDEN UN ACEITE LUBRICANTE Y UNOS MEJORADORES DEL INDICE DE VISCOSIDAD DEL COPOLIMERO DE OLEFINA-ALFA-ETILENO SOLUBLE EN ACEITE SON SUSTANCIALMENTE LIBRES DE CALINA CUANDO DICHAS COMPOSICIONES CONTIENEN UNA CANTIDAD EFECTIVA DE ANTICALINA DE UN ACIDO SUCINICO SUSTITUIDO DE HIDROCARBIL. EL COPOLIMERO DEOLEFINA-ALFA-ETILENO COMPRENDE CADENAS COPOLIMERAS HOMOGENEAS INTERMOLECULARMENTE Y HETEROGENEA INTRAMOLECULARMENTE CONTENIENDO AL MENOS UN SEGMENTO CRISTALIZABLE DE UNIDADES METILENO Y AL MENOS UN SEGMENTO COPOLIMERO DE OLEFINA-ALFA-ETILENO DE BAJA CRISTALINIDAD, EN DONDE DICHO SEGMENTO COMPRENDE AL MENOS SOBRE EL 10 % DE PESO DE DICHA CADENA COPOLIMERA Y CONTIENE AL MENOS SOBRE EL 57 % DE PESO DE ETILENO, EN DONDE DICHO SEGMENTO DE BAJA CRISTALINIDAD CONTIENE NO MAS GRANDE QUE SOBRE EL 53 % DE PESO DE ETILENO, Y EN DONDE DICHO COPOLIMERO TIENE UNA DISTRIBUCION DE PESO MOLECULAR CARACTERIZADA POR AL MENOS UNA DE LAS PROPORCIONES DE MW/MN DE MENOS QUE 2 Y UNA PROPORCION DE MZ/MW DE MENOS QUE 1.8, Y EN DONDE AL MENOS DOS PARTES DE UNA CADENA HETEROGENEA INTRAMOLECULARMENTE INDIVIDUAL, CADA PARTE COMPRENDE AL MENOS EL 5 % DE PESO DE DICHA CADENA, DIFIERE EN LA COMPOSICION DE LA OTRA POR AL MENOS EL 7 % DE PESO DE ETILENO. EL INVENTO TAMBIEN RELATA AL PROCESO PARA PREPARAR DICHAS COMPOSICIONES.
ES198989311914T 1988-11-16 1989-11-16 Procedimiento para reducir la opalinidad en aceites lubricantes. Expired - Lifetime ES2034650T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/271,695 US4966722A (en) 1988-11-16 1988-11-16 Oil additive compositions exhibiting reduced haze containing polymeric viscosity index improver

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ES2034650T3 true ES2034650T3 (es) 1993-04-01

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EP (1) EP0372735B1 (es)
JP (1) JPH02238096A (es)
AU (1) AU615865B2 (es)
BR (1) BR8905807A (es)
CA (1) CA2001657A1 (es)
DE (1) DE68902910T2 (es)
ES (1) ES2034650T3 (es)
MX (1) MX173164B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5244590A (en) * 1989-10-12 1993-09-14 Exxon Chemical Patents Inc. Viscosity index improver
DE4139601C2 (de) * 1991-11-30 1994-09-08 Hoechst Ag Copolymerisate und ihre Verwendung als Gleit- und Trennmittel für die Verarbeitung thermoplastischer Kunststoffe
CN1053465C (zh) * 1996-08-30 2000-06-14 中国石化兰州炼油化工总厂 船用内燃机油组合物
DE10048003A1 (de) * 2000-09-26 2002-04-11 Basell Polypropylen Gmbh Verfahren zur Voraktivierung von Katalysatoren
US8318993B2 (en) 2002-03-05 2012-11-27 Exxonmobil Research And Engineering Company Lubricant blend composition
US7241620B2 (en) 2004-01-09 2007-07-10 Chevron Phillips Chemical Company Lp Ultra high molecular weight polyethylene fractions having narrow molecular weight distributions and methods of making and using the same
US8563488B2 (en) * 2004-03-23 2013-10-22 The Lubrizol Corporation Functionalized polymer composition for grease
US8236741B2 (en) * 2007-11-16 2012-08-07 Exxonmobil Research And Engineering Company Method for haze mitigation and filterability improvement for gas-to-liquid hydroisomerized base stocks

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069162A (en) * 1975-11-03 1978-01-17 Exxon Research & Engineering Co. Haze free oil additive compositions containing polymeric viscosity index improver and process for producing said compositions
US4146492A (en) * 1976-04-02 1979-03-27 Texaco Inc. Lubricant compositions which exhibit low degree of haze and methods of preparing same
US4620048A (en) * 1980-03-26 1986-10-28 Exxon Research & Engineering Co. Hydrocarbon solutions of macromolecular polymers having an improved resistance to mechanical degradation
US4707285A (en) * 1981-06-29 1987-11-17 Exxon Research & Engineering Co. Haze-free polymer additives for fuels and lubricants
US4540753A (en) * 1983-06-15 1985-09-10 Exxon Research & Engineering Co. Narrow MWD alpha-olefin copolymers
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
US4804794A (en) * 1987-07-13 1989-02-14 Exxon Chemical Patents Inc. Viscosity modifier polymers

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MX173164B (es) 1994-02-03
US4966722A (en) 1990-10-30
CA2001657A1 (en) 1990-05-16
DE68902910D1 (de) 1992-10-22
BR8905807A (pt) 1990-06-12
AU615865B2 (en) 1991-10-10
EP0372735B1 (en) 1992-09-16
EP0372735A1 (en) 1990-06-13
DE68902910T2 (de) 1993-01-07
JPH02238096A (ja) 1990-09-20
AU4464689A (en) 1990-05-24
MX18313A (es) 1993-06-01

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