Claims
- 1. A grease composition comprising a major amount of an oleaginous lubricant, from about 0.01% to about 10% by weight of the composition of an additive for elevating the dropping point of a grease comprising a reaction product made by reacting an alkoxylated alcohol of the formula
- (RO)(R.sup.1 O).sub.x H
- wherein R is a hydrocarbyl group or a mixture of hydrocarbyl groups, containing from 8 to 30 carbon atoms, R.sup.1 is a C.sub.2 to C.sub.4 hydrocarbylene group and x is from 1 to 7, with a boron compound selected from the group consisting of boric acid, boric oxide, metaborate and an alkyl borate of the formula
- (R.sup.2 O).sub.y B(OH).sub.z
- wherein y is 1 to 3, z is 0 to 2, their sum being 3, and R.sup.2 is an alkyl group having 1 to 6 carbon atoms, and a thickener containing at least about 15% by weight of a hydroxy-containing soap.
- 2. The composition of claim 1 additionally containing from about 0.01% to about 10% by weight of the composition of a phosphorus and sulfur compound or a mixture of phosphorus-containing and sulfur-containing compounds to supply an equivalent amount of phosphorus and sulfur.
- 3. The composition of claim 1 wherein the soap is an alkali metal, alkaline earth metal or amine soap of a hydroxy-containing fatty acid, fatty glyceride or fatty ester containing 12 to 30 carbon atoms.
- 4. The composition of claim 3 wherein the metal is sodium, lithium, calcium or barium.
- 5. The composition of claim 1 wherein R is octyl, nonyl, decyl, dodecyl, tetradecyl, pentadecyl, heptadecyl, octadecyl or mixtures thereof and R.sup.1 is ethylene, propylene or butylene.
- 6. The composition of claim 2 wherein the thickener is derived from 12-hydroxystearic acid, 14-hydroxystearic acid, 16-hydroxystearic acid, 6-hydroxystearic acid or the ester or glyceride thereof.
- 7. The composition of claim 1 wherein R is mixed C.sub.12 to C.sub.15 alkanol, R.sup.1 is ethylene and x is 3.
- 8. The composition of claim 1 wherein R is nonyl, R.sup.1 is ethylene and x is 2.6.
- 9. The composition of claim 1 wherein the boron compound is boric acid.
- 10. The composition of claim 2 wherein the phosphorus and sulfur moieties are supplied by a phosphorothioate of the formula ##STR2## wherein R.sup.3 is a hydrocarbyl group containing 3 to 18 carbon atoms, M is a metal or non-metal, n is the valence of M and Z is oxygen or sulfur, at least one of which is sulfur.
- 11. The composition of claim 10 wherein R.sup.3 is an alkyl group or alkaryl group.
- 12. The composition of claim 11 wherein R.sup.3 is a propyl, butyl, pentyl, hexyl, oxtyl, dodecyl, tetradecyl, octadecyl, butylphenyl, octylphenyl, nonylphenyl, dodecylphenyl or oleyl group or mixtures thereof.
- 13. The composition of claim 12 wherein R.sup.3 is derived from isopropanol, butanol, isobutanol, sec-butanol, 4-methyl-2-pentanol, 2-ethylhexanol or mixtures thereof.
- 14. The composition of claim 10 wherein M is a metal from Group IA, IB, IIA, IIB, VIB or VIII of the Periodic Table.
- 15. The composition of claim 14 wherein the metal is lithium, sodium, calcium, barium, zinc, cadmium, molybdenum or gold.
- 16. The composition of claim 15 wherein the metal is zinc.
- 17. The composition of claim 15 wherein the metal is molybdenum.
- 18. The composition of claim 10 wherein M is derived from vinyl acetate, butyl vinyl ether, propylene oxide, 1,2-epoxydodecane, alkylamines, alkyldiamines or arylamines.
- 19. The composition of claim 2 wherein the phosphorus and sulfur moieties are supplied by a combination of (1) a dihydrocarbyl phosphite having 2 to 10 carbon atoms in each hydrocarbyl group, mixtures of such phosphites, a dihydrocarbyl phosphate ester having 4 to 20 carbon atoms in each hydrocarbyl group, mixtures of such phosphates or of such phosphites and phosphates and (2) a sulfide selected from a sulfurized isobutylene, a dibenzyl disulfide, a sulfurized terpene and a sulfurized jojoba oil.
- 20. The composition of claim 19 wherein the phophite is a dibutyl, dihexyl, dioctyl or didecyl phosphite or mixtures thereof.
- 21. The composition of claim 19 wherein the phosphate ester is a tributyl, tridecyl or tricresyl phosphate or mixtures thereof.
- 22. The composition of claim 19 wherein the alkoxylated alcohol is a mixed C.sub.12 to C.sub.15 alkanol triethoxylate, the boron compound is boric acid and the phosphorus- and sulfur-containing compound is zinc dialkyl phosphorodithioate wherein the alkyl group is derived from mixed C.sub.3 secondary and C.sub.6 primary alcohols.
- 23. The composition of claim 19 wherein the alkoxylated alcohol is a mixed C.sub.9 to C.sub.11 alkanol ethoxylate containing 2.6 moles of ethoxide, the boron compound is boric acid and the phosphorus- and sulfur-containing compound is zinc dialkyl phosphorodithioate wherein the alkyl group is derived from mixed C.sub.3 secondary and C.sub.6 primary alcohols.
- 24. The composition of claim 1 wherein the oleaginous lubricant is a mineral oil.
- 25. The composition of claim 1 wherein the oleaginous lubricant is a synthetic oil.
- 26. The composition of claim 1 wherein the oleaginous liquid is a mixture of mineral and synthetic oils.
- 27. A method of preparing a grease composition comprising adding to an oleaginous lubricant from about 0.01% to about 10% by weight of the total composition an additive for elevating the dropping point comprising the reaction product made by reacting an alkoxylated alcohol of the formula
- (RO)(R.sup.1 O).sub.x H
- wherein R is a hydrocarbyl group or a mixture of hydrocarbyl groups, containing from 8 to 30 carbon atoms, R.sup.1 is a C.sub.2 to C.sub.4 hydrocarbylene group and x is from 1 to 7, with a boron compound selected from the group consisting of boric acid, boric oxide, metaborate and an alkyl borate of the formula
- (R.sup.2 O).sub.y B(OH).sub.z
- wherein y is 1 to 3, z is 0 to 2, their sum being 3, and R.sup.2 is an alkyl group having 1 to 6 carbon atoms, and a thickener containing at least about 15% by weight of a hydroxy-containing soap thickener.
- 28. The method of claim 27 and adding from about 0.01% to about 10% by weight of the composition of a phosphorus and sulfur compound or a mixture of phosphorus-containing compounds and sulfur-containing compounds to supply an equivalent amount of phosphorus and sulfur.
Parent Case Info
This is a continuation of copending application Ser. No. 831,073, filed on Feb. 18, 1986, now abandoned, which is a continuation of application Ser. No. 643,344, filed Aug. 22, 1984, abandoned.
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Entry |
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Continuations (2)
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Number |
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Parent |
831073 |
Feb 1986 |
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Parent |
643344 |
Aug 1984 |
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