Claims
- 1. The reaction product obtained by reacting 5-amino-2-mercapto-1,3,4-thiadiazole with an hydrocarbyl epoxide or mixture of hydrocarbyl epoxides at a temperature of between about 80.degree. and about 200.degree. C., a molar ratio of hydrocarbyl epoxide compound to thiadiazole of between about 0.5 and about 3.25, the hydrocarbyl epoxide having been prepared from an olefin having an average number of carbon atoms per molecule of between about 6 and about 40.
- 2. A lubricant composition comprising a lubricating component and a means for enhancing the antiwear quality and antioxidant quality of the oil comprising the reaction product of claim 1.
- 3. The lubricant composition of claim 2 wherein said means for enhancing comprises a minor amount of a compound produced by the reaction of 5-amino-2-mercapto-1,3,4-thiadiazole with a hydrocarbyl epoxide.
- 4. The lubricant composition of claim 2 wherein the hydrocarbyl epoxide has an average number of carbon atoms per molecule of between about 14 and about 20.
- 5. The composition of claim 2 wherein the lubricating component is selected from the group consisting of mineral oil, synthetic oil, mixtures thereof, and greases.
- 6. A lubricant composition comprising a liquid lubricant and between about 0.1 and about 5 percent by weight of the total composition of an additive produced by the reaction of 5-amino-2-mercapto-1,3,4-thiadiazole with a hydrocarbyl epoxide at a temperature between about 80.degree. and about 200.degree. C., and a molar ratio of hydrocarbyl epoxide compound to thiadiazole between about 0.5 and about 3.25, the hydrocarbyl epoxide having been prepared from an olefin having an average number of carbon atoms per molecule of between about 6 and about 40.
- 7. The lubricant composition of claim 6 wherein the lubricant is selected from the group consisting of mineral oil, synthetic oil, mixtures thereof, and greases.
- 8. A method for making a lubricant composition comprising adding to a major proportion of a lubricant between about 0.1 and about 5 percent by weight of the total composition of the reaction product obtained by reacting 5-amino-2-mercapto-1,3,4-thiadiazole with a hydrocarbyl epoxide or mixture of hydrocarbyl epoxides at a temperature between about 80.degree. and about 200.degree. C., a molar ratio of hydrocarbyl epoxide compound to thiadiazole of between about 0.5 and about 3.25 the hydrocarbyl epoxide having been prepared from an olefin having an average number of carbon atoms per molecule of between about 6 and about 40.
- 9. The method of claim 8 wherein the lubricant is selected from the group consisting of mineral oil, synthetic oil, mixtures thereof, and grease.
- 10. A lubricant composition comprising a lubricating component and between about 0.1 and about 5 percent by weight of the total composition of an additive for enhancing the antiwear and antioxidant quality of the lubricating component comprising the reaction product obtained by reacting 5-amino-2-mercapto-1,3,4-thiadiazole with an alpha-olefin epoxide or mixture of alpha-olefin epoxides, the alpha-olefin epoxide having an average number of carbon atoms per molecule of between about 14 and about 20 reacted at a temperature between about 80.degree. and about 200.degree. C., and a molar ratio of epoxide compound to thiadiazole between about 0.5 and about 3.25.
- 11. The lubricant composition of claim 10 wherein the lubricating component is selected from the group consisting of mineral oil, synthetic oil, mixtures thereof, and greases.
- 12. The lubricant composition of claim 10 wherein said additive for enhancing comprises a minor amount of a compound produced by the reaction of 5-amino-2-mercapto-1,3,4-thiadiazole with an alpha-olefin epoxide.
- 13. A method for making a lubricant composition comprising adding to a major proportion of a lubricant between about 0.1 and about 5 percent by weight of the total composition of the reaction product obtained by reacting 5-amino-2-mercapto-1,3,4-thiadiazole with an alpha-olefin epoxide or mixture of alpha-olefin epoxides wherein the alpha-olefin epoxide has an average number of carbon atoms per molecule of between about 14 and 20 reacted at a temperature between about 80.degree. and about 200.degree. C. and a molar ratio of epoxide compound to thiadiazole between about 0.5 and about 3.25.
- 14. The method of claim 13 wherein the lubricant is selected from the group consisting of mineral oil, synthetic oil, mixtures thereof, and grease.
Parent Case Info
This is a continuation-in-part of our co-pending application Ser. No. 098,338, filed on Sept. 18, 1987, now abandonend.
US Referenced Citations (8)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
98338 |
Sep 1987 |
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