CA2077339A1 - Antioxydant et dispersant ameliorant l'indice de viscosite - Google Patents
Antioxydant et dispersant ameliorant l'indice de viscositeInfo
- Publication number
- CA2077339A1 CA2077339A1 CA2077339A CA2077339A CA2077339A1 CA 2077339 A1 CA2077339 A1 CA 2077339A1 CA 2077339 A CA2077339 A CA 2077339A CA 2077339 A CA2077339 A CA 2077339A CA 2077339 A1 CA2077339 A1 CA 2077339A1
- Authority
- CA
- Canada
- Prior art keywords
- viscosity index
- improver
- index improver
- exhibiting improved
- acid material
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 230000003078 antioxidant effect Effects 0.000 title abstract 2
- 239000002270 dispersing agent Substances 0.000 title abstract 2
- 239000003963 antioxidant agent Substances 0.000 title 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 230000001747 exhibiting effect Effects 0.000 abstract 2
- 125000000623 heterocyclic group Chemical group 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000008064 anhydrides Chemical group 0.000 abstract 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 150000001990 dicarboxylic acid derivatives Chemical class 0.000 abstract 1
- 229920001038 ethylene copolymer Polymers 0.000 abstract 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 1
- 125000001183 hydrocarbyl group Chemical group 0.000 abstract 1
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 229920000768 polyamine Polymers 0.000 abstract 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 239000004711 α-olefin Substances 0.000 abstract 1
Classifications
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- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
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- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
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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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/50—Medical uses
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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
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Lubricants (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Compositions oléagineuses, notamment compositions d'huiles lubrifiantes, présentant des propriétés antioxydantes améliorées et renfermant une quantité efficace d'un dispersant améliorant l'indice de viscosité, constitué des produits de réaction des composés suivants : a) copolymère d'éthylène liposoluble renfermant environ 15 à 90 % en poids d'éthylène et environ 10 à 85 % en poids d'au moins une alpha-oléfine C3 à C28, avec une masse molaire moyenne en nombre d'environ 5000 à 500 000, et greffe d'un acide carboxylique éthyléniquement insaturé, renfermant 1 ou 2 fractions acide ou anhydre; b) polyamine organique portant au moins deux groupes amino primaires; c) aldéhyde; d) réactif azoté hétérocyclique possédant au moins un groupe -N(H)- dans le noyau hétérocyclique; e) facultativement, une quantité efficace d'un acide dicarboxylique avec substitution par un hydrocarbyle, à longue chaîne et de fonctionnalité élevée, soit au moins 1,2, source du dispersant améliorant l'indice de viscosité et permettant d'obtenir de meilleures propriétés viscosimétriques à basse température.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49080290A | 1990-03-08 | 1990-03-08 | |
US490,802 | 1990-03-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2077339A1 true CA2077339A1 (fr) | 1991-09-09 |
CA2077339C CA2077339C (fr) | 1998-12-08 |
Family
ID=23949528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002077339A Expired - Lifetime CA2077339C (fr) | 1990-03-08 | 1991-03-04 | Antioxydant et dispersant ameliorant l'indice de viscosite |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0520012B1 (fr) |
BR (1) | BR9106126A (fr) |
CA (1) | CA2077339C (fr) |
DE (1) | DE69107446T2 (fr) |
WO (1) | WO1991013952A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5439607A (en) * | 1993-12-30 | 1995-08-08 | Exxon Chemical Patents Inc. | Multifunctional viscosity index improver-dispersant antioxidant |
US5523008A (en) * | 1994-10-21 | 1996-06-04 | Castrol Limited | Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them |
US5663126A (en) * | 1994-10-21 | 1997-09-02 | Castrol Limited | Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2475570B1 (fr) * | 1980-02-08 | 1986-04-11 | Lubrizol Corp | Compositions de benzotriazole dispersables dans des lubrifiants composes et procedes pour leur preparation |
ES2024644B3 (es) * | 1987-06-16 | 1992-03-01 | Exxon Chemical Patents Inc | Aditivo de copolimero de etileno injertado estabilizado util en composiciones de aceite. |
CA1339787C (fr) * | 1988-07-18 | 1998-03-31 | David Yen-Lung Chung | Agent multifonctionnel servant a ameliorer l'indice de viscosite |
US5035821A (en) * | 1988-07-18 | 1991-07-30 | Exxon Chemical Patents Inc. | End-capped multifunctional viscosity index improver |
US5219480A (en) * | 1988-08-01 | 1993-06-15 | Exxon Chemical Patents Inc. | Ethylene alpha-olefin mannich base viscosity index improver/dispersant additives derived from amino phenols and monosecondary amines |
US4897086A (en) * | 1988-12-29 | 1990-01-30 | Mobil Oil Corporation | Lubricant and fuel compositions containing reaction products of polyalkenyl succinimides, aldehydes, and triazoles |
-
1991
- 1991-03-04 DE DE69107446T patent/DE69107446T2/de not_active Expired - Lifetime
- 1991-03-04 WO PCT/US1991/001472 patent/WO1991013952A1/fr active IP Right Grant
- 1991-03-04 EP EP91906698A patent/EP0520012B1/fr not_active Expired - Lifetime
- 1991-03-04 BR BR919106126A patent/BR9106126A/pt not_active IP Right Cessation
- 1991-03-04 CA CA002077339A patent/CA2077339C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1991013952A1 (fr) | 1991-09-19 |
DE69107446T2 (de) | 1995-06-22 |
EP0520012A1 (fr) | 1992-12-30 |
BR9106126A (pt) | 1993-03-02 |
CA2077339C (fr) | 1998-12-08 |
DE69107446D1 (de) | 1995-03-23 |
EP0520012B1 (fr) | 1995-02-15 |
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MKEX | Expiry |