Claims
- 1. A compound prepared by
- (1) reacting at a temperature of from about 60.degree. C. to 140.degree. C., about 1 mole of a phosphorus polysulfide with from about 2 to about 12 moles of an ester or mixtures of esters of the formula ##STR6## where R" is hydrocarbyl containing 2 to 30 carbon atoms, R' is hydrogen or a lower alkyl containing 1 to 6 carbon atoms, M is oxygen or sulfur, x is 1 to 5, y is 1 to 3 and Y' is hydrogen or (CHR'SCOR").sub.y and
- (2) reacting the product of (1) at a temperature of from about 50.degree. C. to about 125.degree. C. with from about a stoichiometric amount to a 100% excess of a salt-forming metal-containing compound wherein the metal in said metal-containing compound is selected from the group consisting of manganese, metals from Groups IIA, IIB, VIB or VIII of the Periodic Chart and mixtures thereof.
- 2. The compound of claim 1 wherein the polysulfide is pentasulfide.
- 3. The compound of claim 1 wherein said metal is zinc.
- 4. The compound of claim 1 wherein said metal is molybdenum.
- 5. The comound of claim 1 wherein the ester has the formula ##STR7## wherein M is sulfur, R" is a hydrocarbyl containing 2 to 30 carbon atoms and n is 1 to 2.
- 6. The compound of claim 1 wherein the ester is ##STR8## the polysulfide is pentasulfide and the metal is zinc.
- 7. The compound of claim 1 wherein the ester is ##STR9## the polysulfide is pentasulfide and the metal is molybdenum.
- 8. A composition comprising a major proportion of an oil of lubricating viscosity or grease prepared therefrom and a minor friction reducing amount of a compound prepared by
- (1) reacting at a temperature of from about 60.degree. C. to about 140.degree. C., one mole of a phosphorus polysulfide with from about 2 to about 12 moles of an ester or mixtures of esters of the formula ##STR10## where R" is hydrocarbyl containing 2 to 30 carbon atoms, R' is hydrogen or a lower alkyl containing 1 to 6 carbon atoms, M is oxygen or sulfur, x is 1 to 5, y is 1 to 3 and Y' is hydrogen or (CHR'SCOR").sub.y and
- (2) reacting the product of (1) at a temperature of from about 50.degree. C. to about 125.degree. C. with from about stoichiometric amounts to a 100% excess of a salt-forming metal-containing compound wherein the metal in said metal-containing compound is selected from the group consisting of manganese, metals from Groups IIA, IIB, VIB or VIII of the Periodic Chart and mixtures thereof.
- 9. The composition of claim 8 wherein the lubricant is a lubricating oil.
- 10. The composition of claim 8 wherein the lubricant is a grease.
- 11. The composition of claim 9 wherein the lubricating oil is a synthetic lubricating oil.
- 12. The composition of claim 8 wherein the polysulfide is pentasulfide.
- 13. The composition of claim 8 wherein said metal is zinc.
- 14. The composition of claim 8 wherein said metal is molybdenum.
- 15. The composition of claim 8 wherein said ester has the formula ##STR11## wherein M is sulfur, R" is a hydrocarbyl containing 2 to 30 carbon atoms and n is 1 to 2.
- 16. The composition of claim 8 wherein the ester is ##STR12## the polysulfide is pentasulfide and the metal is zinc.
- 17. The compound of claim 1 wherein said polysulfide and said ester or mixtures of esters in molar amounts of from about 2 to 4 moles of said ester or esters to one mole of said sulfide are reacted at a temperature of from about 90.degree. C. to about 110.degree. C., and the reaction product thereof and an excess of about 5 to about 10 wt% of the stoichiometric amount of said salt forming metal-containing compound are reacted at a temperature of from about 70.degree. C. to about 100.degree. C.
- 18. The composition of claim 8 wherein said polysulfide and said ester or mixtures of esters in molar amounts of from about 2 to 4 moles of said ester or esters to one mole of said sulfide are reacted at a temperature of from about 90.degree. C. to about 110.degree. C., and the reaction product thereof and an excess of about 5 to about 10 wt% of the stoichiometric amount of said salt forming metal-containing compound are reacted at a temperature of from about 70.degree. C. to about 100.degree. C.
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of U.S. application Ser. No. 113,149, filed Jan. 18, 1980, for "METAL SALTS OF PHOSPHOSULFURIZED POLYHYDROXYESTERS AND LUBRICANTS CONTAINING SAME" and now abandoned.
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Date |
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2422206 |
Musselman |
Jun 1947 |
|
2422630 |
Musselman et al. |
Jun 1947 |
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3288819 |
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Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
113149 |
Jan 1980 |
|