摘要:
This is invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, (A) an hydrocarbyl phosphite, wherein each hydrocarbyl group is saturated and independently contains from about 12 to about 24 carbon atoms, (B) an organic polysulfide, and (C) (i) a borated overbased metal salt of an acidic organic compound, (ii) a combination of a borated dispersant and a phosphorus antiwear or extreme pressure agent selected from the group consisting of a phosphoric acid ester or salt thereof, a lower alkyl phosphite, and a phosphorus-containing carboxylic acid, ester, ether, or amide, or (iii) a mixture of (i) and (ii). These compositions provide improved frictional properties to lubricating composition while maintaining the extreme pressure protection of the lubricant. The lubricating compositions have good thermal stability.
摘要:
This invention relates to a composition comprising (A) a major amount of an oil of lubricating viscosity and (B) a minor amount of (i) a reaction product of (a) at least one dimercaptothiadiazole, and (b) at least one alpha, beta-unsaturated ester prepared by reacting an alpha, beta-unsaturated carboxylic acylating agent with a hydroxy compound, or (ii) a salt of the reaction product, provided that when the acylating agent is a monocarboxylic acylating agent then the hydroxy compound is a monohydroxy compound, and provided that when the ester is formed from a maleic acylating agent, then the ester is formed from a sulfur-containing hydroxy compound or a combination of a polyhydroxy compound and a monohydroxy. The invention also relates to aqueous fluids, greases, and concentrate compositions containing the reaction products and its salts. These additives generally show an ability to improve antiwear (including extreme pressure) and antioxidation properties of lubricants, aqueous fluids, and greases.
摘要:
This invention relates to base ester compounds and complex ester compounds that can be used as a base stock for lubricant applications or a base stock blend component for use in a finished lubricant or for particular applications, and methods of making the same. The base ester compounds and complex esters described herein comprise dimer and/or trimer esters, and their respective branched derivatives.
摘要:
This invention relates to malienated derivatives made from maleic anhydride, functionalized monomers, and one or more additional reagents, e.g., an oxygen-containing reagent (e.g., alcohol, polyol), a nitrogen-containing reagent (e.g., amine, polyamine, aminoalcohol), a metal and/or a metal compound. The invention relates to lubricants, functional fluids, fuels, dispersants, detergents and functional compositions (e.g., cleaning solutions, food compositions, etc.)
摘要:
This invention relates to terpene derived compounds and farnesene derived compounds, and to the use of such terpene derived compounds and farnesene derived compounds in lubricants, detergents, dispersants, functional fluids, fuels, polymer compositions, cold flow improvers, and the like.
摘要:
A functional fluid composition comprising a mixture of: (a) at least one functional fluid base stock; and (b) an additive package comprising at least one derivative of a mono-, di-, or poly-alkylated naphthalenesulfonic acid selected from the group consisting of: (i) neutral metal salts of said mono-, di-, and poly-alkylated naphthalenesulfonic acids; (ii) basic metal salts of said mono-, di-, and poly-alkylated naphthalenesulfonic acids; (iii) amine salts of said mono-, di-, and poly-alkylated naphthalenesulfonic acids; and (iv) esters of said mono-, di-, and poly-alkylated naphthalenesulfonic acids; wherein the mono-, di-, and poly-alkylated naphthalenesulfonic acids are represented by formula (I): wherein R1, R2, R3 and R4 are individually selected from the group consisting of hydrogen and essentially linear hydrocarbyl groups having about 10 to about 14 carbon atoms; and wherein l, m, n and p are integers from 0 to 4 and the sum of l+m+n+p is at least 1; and wherein R1, R2, R3, or R4 is a hydrogen where either l, m, n, or p is 0.
摘要:
This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and (A) a minor amount of at least one hydroxyalkyl dithiocarbamate or at least one borate thereof, wherein the dithiocarbamate is derived from an amine other than an alkyl or alkenylsuccinimide. In another aspect the invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, a hydroxyalkyl dithiocarbamate or a borate thereof, and (B) at least one sulfur compound or (C) at least one phosphorus or boron antiwear or extreme pressure agent. The invention also relates to greases, functional fluids and aqueous fluids containing the hydroxyalkyl dithiocarbamates and borates thereof. The lubricants and fluids have improved antiwear and extreme pressure properties including providing improved antiscuff protection.
摘要:
This invention relates to lubricating compositions containing hydroxyalkane phosphonic acids and derivatives thereof. More specifically, this invention relates to hydroxylakane phosphonic acids which can be reacted to form salts with basic materials, including overbased detergents, dispersants and amines. These materials can be particularly useful in lubricating compositions.The hydroxyalkane phosphonic acid is represented by the following formula: ##STR1## wherein X is oxygen, sulfur or a secondary amino group, n is an integer from 1 to 8, Y is hydrogen or a phosphonic acid group and R is an alkyl group having from 1 to about 100 carbon atoms.
摘要:
Compositions useful as pour point depressants, novel compounds within such compositions, and processes for making same, as well as lubricant oil compositions containing same, are disclosed. The novel compounds are encompassed by the general structural formula (I)Ar(R)--[Ar'(R')].sub.n --Ar" (I)wherein the Ar, Ar' and Ar" are independently an aromatic moiety containing 1 to 3 aromatic rings and each aromatic moiety is substituted with 0 to 3 substituents, (R) and (R') are independently an alkylene group containing about 1 to 100 carbon atoms with the proviso that at least one of (R) or (R') is CH.sub.2, and n is 0 to about 1000; with the proviso that if n is 0, then (R) is CH.sub.2 and each aromatic moiety is independently substituted with 0 to 3 substituents with one aromatic moiety having at least one substituent, the substituents being selected from the group consisting of a substituent derived from an olefin and a substituent derived from a chlorinated hydrocarbon. The composition of the invention includes compounds varying in molecular weight from about 271 to about 300,000.
摘要:
This invention relates to a fuel composition, comprising: (A) a normally liquid fuel; and (B) a cold flow improving amount of (i) a metathesized natural oil; (ii) a metathesized natural oil derivative; or (iii) a mixture of (i) and (ii). The invention also relates to metathesized derivatives formed by the reaction of a metathesized natural oil with a nucleophile, oxidizer, aromatic compound, enophilic acid reagent, or a mixture of two or more thereof.