Lubricating oil compositions containing modified succinimides (V)

• US 4,647,390 A
• Filed: 01/16/1986
• Issued: 03/03/1987
• Est. Priority Date: 04/12/1985
• Status: Expired due to Term

• Current Assignee: Chevron Research Company (Chevron Corp.)
• Original Assignee: Chevron Research Company (Chevron Corp.)
• Inventors: Wollenberg, Robert H., Buckley, Thomas F. III
• Primary Examiner(s): NOT, DEFINED
• Application Number:
  US06/819,770
• Time in Patent Office: 411 Days
• Field of Search: 252/51.5 A, 548/547
• US Class Current: 508/292
• CPC Class Codes: C10L 1/224 Amides; Imides carboxylic acid amides, imides C10L1/221, C10L1/2227 take precedence
• CPC Class Codes: C10L 1/2383 Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C) C10L1/221 takes precedence
• CPC Class Codes: C10M 133/16 Amides; Imides
• CPC Class Codes: C10M 133/56 Amides; Imides
• CPC Class Codes: C10M 2215/04 having amino groups bound to acyclic or cycloaliphatic carbon atoms
• CPC Class Codes: C10M 2215/086 Imides
• CPC Class Codes: C10M 2215/22 Heterocyclic nitrogen compounds
• CPC Class Codes: C10M 2215/221 Six-membered rings containing nitrogen and carbon only
• CPC Class Codes: C10M 2215/225 the rings containing both nitrogen and oxygen
• CPC Class Codes: C10M 2215/226 Morpholines
• CPC Class Codes: C10M 2215/26 Amines
• CPC Class Codes: C10M 2215/28 Amides; Imides
• CPC Class Codes: C10M 2215/30 Heterocyclic compounds
• CPC Class Codes: C10M 2217/046 Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers
• CPC Class Codes: C10M 2217/06 Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
• CPC Class Codes: C10N 2040/25 Internal-combustion engines
• CPC Class Codes: C10N 2040/251 Alcohol fueled engines
• CPC Class Codes: C10N 2040/255 Gasoline engines
• CPC Class Codes: C10N 2040/28 Rotary engines

Abstract

Disclosed herein are additives which are useful as dispersants and detergents in lubricating oils and fuels. In particular, this invention is directed toward polyamino alkenyl or alkyl succinimides wherein one or more of the amino nitrogens of the succinimide is substituted with ##STR1## wherein R₄ is hydrocarbyl of from 1 to 30 carbon atoms; R₅ is hydrocarbyl of from 2 to 30 carbon atoms or --R₆ --(OR₆)_p -- wherein R₆ is alkylene of 2 to 5 carbon atoms and p is an integer from 1 to 100; and m is an integer of from 0 to 1.

Claims

1. A lubricating oil composition containing an oil of lubricating viscosity and a dispersant effective amount of a polyamino alkenyl or alkyl succinimide wherein one or more of the nitrogens of the polyamino moiety is substituted with ##STR36## wherein R₄ is hydrocarbyl of from 1 to 30 carbon atoms;

R₅ is selected from the group consisting of hydrocarbyl of from 2 to 30 carbon atoms and --R₆ --OR₆ --_p wherein R₆ is alkylene of from 2 to 5 carbon atoms and p is an integer from 1 to 100; and

m is an integer of from 0 to 1.

2. The lubricating oil composition as defined in claim 1 wherein R₄ is hydrocarbyl of from 2 to 20 carbon atoms.

3. The lubricating oil composition as defined in claim 2 wherein the alkenyl or alkyl moiety is from about 20 to 300 carbon atoms.

4. The lubricating oil composition as defined in claim 3 wherein R₅ is a straight- or branched-chain alkylene group of from 2 to about 30 carbon atoms or a straight- or branched-chain alkylene group of from 2 to about 30 carbon atoms substituted with aryl of from 6 to 10 carbon atoms or alkaryl of 7 to 12 carbon atoms.

5. The lubricating oil composition as defined in claim 4 wherein R₅ is a straight- or branched-chain alkylene group of from 2 to about 30 carbon atoms.

6. The lubricating oil composition as defined in claim 5 wherein m is 0.

7. The lubricating oil composition as defined in claim 5 wherein m is 1.

8. The lubricating oil composition as defined in claim 3 wherein R₅ is --R₆ --OR₆ --_p wherein R₆ is alkylene of from 2 to 5 carbon toms and p is an integer from 1 to 100.

9. The lubricating oil composition as defined in claim 8 wherein R₆ is alkylene of from 3 to 4 carbon atoms.

10. The lubricating oil composition as defined in claim 9 wherein p is an integer from 1 to 50.

11. The lubricating oil composition as defined in claim 10 wherein p is an integer from 2 to 20.

12. The lubricating oil composition as defined in claim 11 wherein m is 0.

13. The lubricating oil composition as defined in claim 11 wherein m is 1.

14. The lubricating oil composition as defined in claim 1 wherein ##STR37##

25. A lubricating oil concentrate comprising from about 10 to 90 weight percent of an oil of lubricating viscosity and from about 90 to about 10 weight percent of a compound as defined in claim 1.

15. A lubricating oil composition containing an oil of lubricating viscosity and a dispersant effective amount of a compound of the formula ##STR38## wherein R is alkenyl or alkyl of from 10 to 300 carbon;

R₂ is alkylene of from 2 to 10 carbon atoms;

a is an integer from 1 to 6;

R₈ is hydrogen, lower alkyl of from 1 to 6 carbon atoms and ##STR39## wherein m is an integer from 0 to 1;

R₄ is hydrocarbyl of from 1 to 30 carbon atoms, R₅ is a straight- or branched-chain alkylene group of from 2 to about 30 carbon atoms or a straight- or branched-chain alkylene group of from 2 to about 30 carbon atoms substituted with aryl of from 6 to 10 carbon atoms or alkaryl of from 7 to 12 carbon atoms or --R₆ --OR₆ --_p wherein R₆ is alkylene of from 2 to 5 carbon atoms and p is an integer from 1 to 100 T is ##STR40## or --NHR₈ wherein R and R₈ are as defined above with the proviso that at least one of R₈ is ##STR41##

16. The lubricating oil composition as defined in claim 15 wherein R is alkenyl or alkyl of from 20 to 300 carbon atoms.

17. The lubricating oil composition as defined in claim 16 wherein R is alkenyl or alkyl of from 20 to 100 carbon toms.

18. The lubricating oil composition as defined in claim 17 wherein R₂ is alkylene of from 2 to 6 carbon atoms.

19. The lubricating oil composition as defined in claim 18 wherein R₄ is hydrocarbyl of from 2 to 20 carbon atoms.

20. The lubricating oil composition as defined in claim 19 wherein R₅ is a straight- or branched-chain alkylene group of from 2 to about 30 carbon atoms.

21. The lubricating oil composition as defined in claim 19 wherein R₅ is --R₆ --OR₆ --_p wherein R₆ is alkylene of from 2 to 5 carbon atoms and p is an integer from 1 to 100.

22. The lubricating oil composition as defined in claim 21 wherein R₆ is alkylene of from 3 to 4 carbon atoms and p is an integer from 2 to 20.

23. The lubricating oil composition as defined in claim 20 wherein ##STR42##

24. The lubricating oil composition as defined in claim 20 wherein ##STR43##

26. A lubricating oil concentrate comprising from about 10 to about 90 weight percent of an oil of lubricating viscosity and from about 90 to about 10 weight percent of a compound of the formula defined in claim 15.