The invention relates to aqueous composition comprising water-soluble glycerin-based polyalkylene glycols as synthetic base oils as well as the use of the composition and the glycerin-based polyalkylene glycols as or in metalworking fluids, wherein the glycerin was consecutively alkoxylated in the following order: first with propylene oxide, followed by ethylene oxide and finally with propylene oxide.

The present invention concerns a composition suitable for working and shaping metals, in particular providing a lubricating effect, including polymers of the following formula: [R—O(—CH(CH.sub.3)—CH.sub.2O—).sub.n(CH.sub.2—CH.sub.2O—).sub.p—].sub.1+xP(═O)(OH).sub.2-x in which: R is a linear or branched, preferably linear, saturated or unsaturated hydrocarbon group, comprising between 8 and 12 carbon atoms; n is a number, which may or may not be an integer, between 6 and 20; p is a number, which may or may not be an integer, between 4 and 25; and x is a number between 0 and 1, and in particular between 0.1 and 0.9.

The present invention provides a non-aqueous lubricant composition comprising a base stock and 5 at least 0.02 wt % of a friction reducing additive which comprises a block co-polymer of at least one block A which is an oligo- or polyester residue of a hydroxycarboxylic acid and at least one block B which is a residue of a polyalkylene glycol. The invention also provides the use of a block co-polymer of at least one block A which is an oligo- or polyester residue of a hydroxycarboxylic acid and at least one block B which is a residue of a polyalkylene glycol to reduce the kinetic co-efficient 10 of friction in a non-aqueous lubricant composition when compared to an equivalent lubricant composition comprising no block co-polymer.

Provided herein is a composition for treating aluminum containing surfaces, wherein the composition includes a reaction product of at least one amine-functionalized organosilane and/or oligomer and/or polymer thereof and at least one fatty acid, wherein the molar ratio of the amino group/s of the at least one amine-functionalized organosilane and/or oligomer and/or polymer thereof and of the at least one fatty acid is 1.2:1 to 1:2, and wherein the at least one amine-functionalized organosilane and/or oligomer and/or polymer thereof is linked to the at least one fatty acid by at least one carboxylic acid/amine salt bond and/or at least one amide bond.

A water-soluble metalworking fluid composition and a method of using the same. The water-soluble metalworking fluid composition has the components (A), (B), and (C), where (A) is a fatty acid having a carbon atom number of 9-11, (B) is an unsaturated fatty acid having a carbon atom number of 16-22, and (C) is a polymeric fatty acid having an acid value of 10-200 mgKOH/g. (A) is 1-20 mass %, (B) is 30-60 mass %, and (C) is 35-55 mass %, based on the total amount of the components (A), (B) and (C). The water-soluble metalworking fluid composition maintains the workability while improving the mechanical fouling.

An industrial fluid additive composition comprises one or more sequestering agents one or more compounds of formula (A): (A) wherein R.sub.1 and R.sub.2 are independently selected from substituted hydrocarbyl moieties containing from 1 to 10 carbon atoms or unsubstituted hydrocarbyl moieties containing from 1 to 10 carbon atoms. ##STR00001##

One aspect of the present invention provides a polishing method including polishing a sliding part of a machine device by producing fullerene-aggregated particles by making the sliding part slide while a polishing-agent composition containing fullerenes and a solvent of the fullerenes is applied to the sliding part.

A lubrication board includes a substrate; and a lubrication layer disposed on a surface of the substrate, wherein the lubrication layer comprises a polymer expressed by formula (I) below, ##STR00001##
formula (I); wherein R.sub.1 is selected from a substituted or unsubstituted C.sub.6-C.sub.18 alkyl; R.sub.2 is selected from a substituted or unsubstituted C.sub.2-C.sub.18 alkyl or C.sub.2-C.sub.18 alkyl which is interrupted by —O—; R.sub.3 is selected from —NH— or —S—; R.sub.4 is selected from —NH.sub.2, —OH or —SH; and n, p and q are positive integers ranging from 2 to 20000.

A water-soluble working fluid of the invention is used for cutting a brittle material using a wire saw. The water-soluble working fluid is provided by blending water, alkylene oxide adduct of acethylene glycol, and glycols. The water-soluble working fluid of the invention is capable of providing favorable cutting accuracy when the brittle material is cut using a wire, and thus is suitable for cutting out a large-diameter wafer. The water-soluble working fluid of the invention is especially suitably applicable to an abrasive-grain-fixed wire saw.

A lubricating oil composition may have excellent long-term anti-foaming performance and detergency while blending a silicone-based anti-foaming agent. Such a lubricating oil composition may contain a base oil (A) and a silicone-based anti-foaming agent (B). A silicon atom content may be 50 ppb by mass to 4,000 ppb by mass, based on a total amount of the lubricating oil composition.