MX173164B - Composiciones de aditivo para aceite que tienen turbiedad reducida, conteniendo polimero mejorador del indice de viscosidad y proceso para producirlas - Google Patents
Composiciones de aditivo para aceite que tienen turbiedad reducida, conteniendo polimero mejorador del indice de viscosidad y proceso para producirlasInfo
- Publication number
- MX173164B MX173164B MX018313A MX1831389A MX173164B MX 173164 B MX173164 B MX 173164B MX 018313 A MX018313 A MX 018313A MX 1831389 A MX1831389 A MX 1831389A MX 173164 B MX173164 B MX 173164B
- Authority
- MX
- Mexico
- Prior art keywords
- copolymer
- ethylene
- weight percent
- turbidity
- alpha
- Prior art date
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- 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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- 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
La presente invención se refiere a un procedimiento para reducir la turbiedad en una composición que consiste de: i) un aceite lubricante; ii) por lo menos una cantidad mejoradora del índice de viscosidad de un copolímero de etileno y por lo menos otro monómero de alfa-olefina, el copolímero comprende cadenas de copolímero intramolecularmente heterogéneas e intermolecularmente homogéneas que contienen por lo menos un segmento cristalizable de unidades de metileno y por lo menos un segmento de copolímero de etileno y alfa-olefina de baja cristalinidad, en donde por lo menos un segmento cristalizable comprende por lo menos aproximadamente 10 por ciento en peso de la cadena del copolímero y contiene por lo menos aproximadamente 57 por ciento en peso de etileno, en donde el segmento de baja cristalinidad contiene no más de aproximadamente 53 por ciento en peso de etileno y en donde el copolímero tiene una distribución de peso molecular caracterizada por cuando menos una de una relación de Mw/Mn de menos de 2 y una relación de Mz/Mw de menos de 1.8, y en donde por lo menos dos porciones de una cadena intramolecularmente heterogénea individual, comprendiendo cada porción por lo menos 5 por ciento en peso de la cadena, difiere en composición una de la otra en por lo menos 7 por ciento en peso de etileno; iii) una cantidad formadora de turbiedad de un material formador de turbiedad insoluble en aceite resultante de la fabricación o procedimientos de acabado del copolímero de etileno y alfa-olefina iv) cuyo procedimiento comprende añadir a la composición una cantidad efectiva reductora de turbiedad de por lo menos un ácido succínic o substituído con hidrocarbilo.
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
MX18313A MX18313A (es) | 1993-06-01 |
MX173164B true MX173164B (es) | 1994-02-03 |
Family
ID=23036673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX018313A MX173164B (es) | 1988-11-16 | 1989-11-10 | Composiciones de aditivo para aceite que tienen turbiedad reducida, conteniendo polimero mejorador del indice de viscosidad y proceso para producirlas |
Country Status (9)
Country | Link |
---|---|
US (1) | US4966722A (es) |
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)
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 |
JP5467047B2 (ja) * | 2007-11-16 | 2014-04-09 | エクソンモービル リサーチ アンド エンジニアリング カンパニー | ガスツーリキッド水素異性化基材のヘーズ軽減およびろ過性向上のための方法 |
Family Cites Families (7)
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 |
-
1988
- 1988-11-16 US US07/271,695 patent/US4966722A/en not_active Expired - Lifetime
-
1989
- 1989-10-27 CA CA002001657A patent/CA2001657A1/en not_active Abandoned
- 1989-11-10 MX MX018313A patent/MX173164B/es unknown
- 1989-11-15 AU AU44646/89A patent/AU615865B2/en not_active Ceased
- 1989-11-15 JP JP1295175A patent/JPH02238096A/ja active Pending
- 1989-11-16 ES ES198989311914T patent/ES2034650T3/es not_active Expired - Lifetime
- 1989-11-16 BR BR898905807A patent/BR8905807A/pt unknown
- 1989-11-16 DE DE8989311914T patent/DE68902910T2/de not_active Expired - Fee Related
- 1989-11-16 EP EP89311914A patent/EP0372735B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2034650T3 (es) | 1993-04-01 |
BR8905807A (pt) | 1990-06-12 |
JPH02238096A (ja) | 1990-09-20 |
AU615865B2 (en) | 1991-10-10 |
EP0372735B1 (en) | 1992-09-16 |
US4966722A (en) | 1990-10-30 |
CA2001657A1 (en) | 1990-05-16 |
DE68902910D1 (de) | 1992-10-22 |
AU4464689A (en) | 1990-05-24 |
MX18313A (es) | 1993-06-01 |
DE68902910T2 (de) | 1993-01-07 |
EP0372735A1 (en) | 1990-06-13 |
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