An industrial base oil formulation comprising a base oil, preferably a hydrocarbon base oil, having a kinematic viscosity of more than 100 centiStokes, preferably 150 centiStokes or more, at 40 degrees Celsius and an AC-OSP where the AC-OSP has the structure of Formula I: R.sup.1[O(R.sup.2O).sub.n(R.sup.3O).sub.mR.sup.4].sub.p (I) where R.sup.1 is an alkyl having from one to thirty carbons, R.sup.2 and R.sup.3 are independently selected from alkyl groups having three or four carbons and can be in block form or randomly combined, R.sup.4 is an alkyl having from one to 18 carbon atoms, n and m are independently numbers ranging from zero to 20 provided that n+m is greater than zero and p is a number within a range of one to three; wherein the industrial base oil formulation has a kinematic viscosity of greater than 100 centiStokes, preferably 150 centiStokes or more, at 40 degrees Celsius is useful in a lubricant for mechanical devices.

The disclosed technology provides lubricating composition comprising: an oil of lubricating viscosity, a p-dodecyl-phenol-free detergent and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 1 to 250 carbon atoms (or 20 to 220, or 30 to 150 carbon atoms), and wherein the oxyalkylated hydrocarbyl phenol is substantially free of aromatic hydrocarbyl groups. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The disclosed technology further relates to the use of the of the lubricating composition in a passenger car internal combustion engine to improve control of at least one of the following (i) fuel economy, (ii) corrosion, (iii) cleanliness, and (iv) bore wear.

The disclosed technology provides lubricating composition comprising: an oil of lubricating viscosity, a p-dodecyl-phenol-free detergent and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 1 to 250 carbon atoms (or 20 to 220, or 30 to 150 carbon atoms), and wherein the oxyalkylated hydrocarbyl phenol is substantially free of aromatic hydrocarbyl groups. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The disclosed technology further relates to the use of the of the lubricating composition in a passenger car internal combustion engine to improve control of at least one of the following (i) fuel economy, (ii) corrosion, (iii) cleanliness, and (iv) bore wear.

A cylinder lubricating oil composition for a crosshead diesel engine equipped with a scrubber, including: a base oil; and (A) a metallic detergent, wherein the composition has a base number of 15 to 125 mgKOH/g, and a kinematic viscosity at 100° C. of 10 to 30 mm.sup.2/s; and the composition satisfies the requirement (i) or (ii): (i) the composition includes: (B) 0.02 to 5.0 mass % of a demulsifier; (ii) the composition includes, as the component (A), (A1) a Ca phenate detergent; and (A2) a metallic detergent other than Ca phenate; the composition optionally includes (C-1′) 0.015 mass % or less in terms of nitrogen of a succinimide dispersant or a borated derivative thereof; and the Ph value of the formula (1) is 20×10.sup.−3 or less:

Ph value=C.sub.Ca×2/(r.sub.M×40.08)  (1)

wherein C.sub.Ca represents calcium content (mass %) derived from the component (A1), and r.sub.M represents a metal ratio of the component (A1).

A cylinder lubricating oil composition for a crosshead diesel engine equipped with a scrubber, including: a base oil; and (A) a metallic detergent, wherein the composition has a base number of 15 to 125 mgKOH/g, and a kinematic viscosity at 100° C. of 10 to 30 mm.sup.2/s; and the composition satisfies the requirement (i) or (ii): (i) the composition includes: (B) 0.02 to 5.0 mass % of a demulsifier; (ii) the composition includes, as the component (A), (A1) a Ca phenate detergent; and (A2) a metallic detergent other than Ca phenate; the composition optionally includes (C-1′) 0.015 mass % or less in terms of nitrogen of a succinimide dispersant or a borated derivative thereof; and the Ph value of the formula (1) is 20×10.sup.−3 or less:

Ph value=C.sub.Ca×2/(r.sub.M×40.08)  (1)

wherein C.sub.Ca represents calcium content (mass %) derived from the component (A1), and r.sub.M represents a metal ratio of the component (A1).

The present disclosure provides for a lubricant formulation and a method of forming the lubricant formulation for use in an internal combustion engine. The lubricant formulation includes a base oil and an esterified oil-soluble polyalkylene glycol (E-OSP) of Formula (I): R.sup.1 [O(R.sup.2O).sub.n(R.sup.3O).sub.m(C═O)R.sup.4].sub.p wherein R.sup.1 is a linear alkyl having 1 to 18 carbon atoms, a branched alkyl having 4 to 18 carbon atoms or an aryl with 6 to 30 carbon atoms; R.sup.2O is an oxypropylene moiety derived from 1, 2-propylene oxide; R.sup.3O is an oxybutylene moiety derived from butylene oxide, wherein R.sup.2O and R.sup.3O are in a block or a random distribution; R.sup.4 is a linear alkyl with 1 to 18 carbon atoms, a branched alkyl with 4 to 18 carbon atoms or an aryl with 6 to 18 carbon atoms; n and m are each independently integers ranging from 0 to 20 wherein n+m is greater than 0, and p is an integer from 1 to 4.

The present disclosure provides for a lubricant formulation and a method of forming the lubricant formulation for use in an internal combustion engine. The lubricant formulation includes a base oil and an esterified oil-soluble polyalkylene glycol (E-OSP) of Formula (I): R.sup.1 [O(R.sup.2O).sub.n(R.sup.3O).sub.m(C═O)R.sup.4].sub.p wherein R.sup.1 is a linear alkyl having 1 to 18 carbon atoms, a branched alkyl having 4 to 18 carbon atoms or an aryl with 6 to 30 carbon atoms; R.sup.2O is an oxypropylene moiety derived from 1, 2-propylene oxide; R.sup.3O is an oxybutylene moiety derived from butylene oxide, wherein R.sup.2O and R.sup.3O are in a block or a random distribution; R.sup.4 is a linear alkyl with 1 to 18 carbon atoms, a branched alkyl with 4 to 18 carbon atoms or an aryl with 6 to 18 carbon atoms; n and m are each independently integers ranging from 0 to 20 wherein n+m is greater than 0, and p is an integer from 1 to 4.

[Problem] To provide an aqueous coating agent composition (in particular, an aqueous coating composition for lubricating films that contains a solid lubricant) which as a whole is excellent in terms of flowability, applicability, and storage stability and which is capable of forming satisfactory and smooth coating films effective in stick-slip inhibition. [Solution] The problem can be solved with an aqueous coating agent composition which comprises (A) a curable resin in an aqueous emulsion form, (B) a surfactant, (C) solid particles, (D) one or more nitrogenous heterocyclic compounds, (E) a film-forming silicone in an aqueous emulsion form, and (F) water. In particular, it is preferable that the (C) component comprise a solid lubricant. In view of the environmental regulations, it is especially preferable that the (D) component be 1,3-dimethyl-2-imidazolidinone.

[Problem] To provide an aqueous coating agent composition (in particular, an aqueous coating composition for lubricating films that contains a solid lubricant) which as a whole is excellent in terms of flowability, applicability, and storage stability and which is capable of forming satisfactory and smooth coating films effective in stick-slip inhibition. [Solution] The problem can be solved with an aqueous coating agent composition which comprises (A) a curable resin in an aqueous emulsion form, (B) a surfactant, (C) solid particles, (D) one or more nitrogenous heterocyclic compounds, (E) a film-forming silicone in an aqueous emulsion form, and (F) water. In particular, it is preferable that the (C) component comprise a solid lubricant. In view of the environmental regulations, it is especially preferable that the (D) component be 1,3-dimethyl-2-imidazolidinone.

An industrial base oil formulation comprising a base oil, preferably a hydrocarbon base oil, having a kinematic viscosity of more than 100 centiStokes, preferably 150 centiStokes or more, at 40 degrees Celsius and an AC-OSP where the AC-OSP has the structure of Formula I: R.sup.1[O(R.sup.2O).sub.n(R.sup.3O).sub.mR.sup.4].sub.p (I) where R.sup.1 is an alkyl having from one to thirty carbons, R.sup.2 and R.sup.3 are independently selected from alkyl groups having three or four carbons and can be in block form or randomly combined, R.sup.4 is an alkyl having from one to 18 carbon atoms, n and m are independently numbers ranging from zero to 20 provided that n+m is greater than zero and p is a number within a range of one to three; wherein the industrial base oil formulation has a kinematic viscosity of greater than 100 centiStokes, preferably 150 centiStokes or more, at 40 degrees Celsius is useful in a lubricant for mechanical devices.