Claims
- 1. A lubricant composition comprising a major proportion of an oil of lubricating viscosity or grease prepared therefrom and a minor proportion of a reaction product obtained by reacting a polyalkenyl-substituted succinimide, a triazole, and an aldehyde and thereafter boronating the resultant intermediate product and wherein the polyalkenyl-substituted succinimide, aldehyde, triazole and boronating agent are reacted in a mole ratio of succinimide to aldehyde to triazole to boronating agent respectively of between about 1:0.1:0.1:0.1 and about 1:4:4:4 and wherein the reaction is conducted at a temperature of about 100.degree. C. to about 200.degree. C. at ambient pressure.
- 2. A lubricant composition comprising a major proportion of an oil of lubricating viscosity or grease prepared therefrom and a minor proportion of a reaction product obtained by reacting a polyalkenyl-substituted succinimide having the following generalized structural formula: ##STR4## where R is an alkyl or alkenyl group of 9 to 150 carbon atoms with a triazole having the following generalized structural formula: ##STR5## where R.sup.1 is hydrogen or an alkyl, aryl, arylalkyl, or alkylaryl group of 1 to 12 carbon atoms with an aldehyde and thereafter reacting with a suitable boronating agent.
- 3. The composition of claim 2 wherein the polyalkenyl-substituted succinimide is a polyisobutenyl succinimide.
- 4. The composition of claim 2 wherein the triazole is tolyltriazole.
- 5. The composition of claim 2 wherein the aldehyde is selected from the group consisting of formaldehyde, paraformaldehyde, benzaldehyde, salicylaldehyde and 2-ethylhexanal.
- 6. The composition of claim 5 wherein the aldehyde is paraformaldehyde.
- 7. The composition of claim 2 wherein the boronating agent is selected from boric acid, metaborates or trialkyl borates.
- 8. The composition of claim 7 wherein the boronating agent is boric acid.
- 9. The composition of claim 2 wherein the unborated intermediate reaction product has the following generalized structural formula: ##STR6## where R is an alkyl or alkenyl group of 9 to 150 carbon atoms, R.sup.1 and R.sup.2 are each hydrogen or an alkyl, aryl, arylalkyl, alkylarlyl group of 1 to 12 carbon atoms, y is greater than 0, and x+y is equal to 1 to 4.
- 10. The composition of claim 2 wherein the succinimide, aldehyde, triazole and boronating agent are reacted in a mole ratio of succinimide, aldehyde, triazole and boronating agent respectively of between about 1:1:1:1 and about 1:2:2:2.
- 11. The composition of claim 2 wherein the reaction is conducted in a carrier solvent selected from the group consisting of xylene and toluene.
- 12. The lubricant composition comprising a lubricant and between about 0.01% and about 10% by weight of the total composition of the reaction product of claim 1.
- 13. The lubricant composition comprising a lubricant and between about 0.01% and about 10% by weight of the total composition of the reaction product of claim 2.
- 14. The lubricant composition comprising a lubricant and between about 0.01% and about 10% by weight of the total composition of the reaction product of claim 3.
- 15. The lubricant composition comprising a lubricant and between about 0.01% and about 10% by weight of the total composition of the reaction product of claim 4.
- 16. The lubricant composition comprising a lubricant and between about 0.01% and about 10% by weight of the total composition of the reaction product of claim 5.
- 17. The lubricant composition comprising a lubricant and between about 0.01% and about 10% by weight of the total composition of the reaction product of claim 6.
- 18. The lubricant composition comprising a lubricant and between about 0.01% and about 10% by weight of the total composition of the reaction product of claim 7.
- 19. The lubricant composition comprising a lubricant at between about 0.01% at 10% by weight of the total composition of the reaction product of claim 8.
- 20. The lubricant composition of claim 14 comprising a grease and between about 0.01% and about 10% by weight of the total composition of said reaction product.
- 21. A method for making a lubricant composition comprising adding to a lubricating oil between about 0.01% and about 10% by weight of the total composition of the additive product obtained by reacting a polyalkenyl-substituted succinimide, a triazole, and an aldehyde and thereafter boronating the resultant intermediate product and wherein the polyalkenyl-substituted succinimide, aldehyde, triazole and boronating agent are reacted in a mole ratio of succinimide to aldehyde to triazole to boronating agent respectively of between about 1:0.1:0.1:0.1 and about 1:4:4:4 and wherein the reaction is conducted at a temperature of about 100.degree. C. to about 200.degree. C. at ambient pressure.
Parent Case Info
This is a division of copending application Ser. No. 449,188, filed on Dec. 13, 1989 now U.S. Pat. No. 4,981,492.
US Referenced Citations (7)
Divisions (1)
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Number |
Date |
Country |
Parent |
449188 |
Dec 1989 |
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