Abstract:
The present invention is, in one form, an aqueous alkaline metalworking fluid composition in the form of a concentrate which includes a salt of orthophosphoric acid; a dibasicdioic acid in an amount of up to about 5.0% by weight of the concentrate; an essentially phosphonate-free chelating agent; and, a neutralizing base. The composition may also include a lubricating agent, a coupling agent, a passavating agent, a biocide, and a colorant.
Abstract:
An additive with good anti-corrosion and lubrication properties is disclosed for use in aqueous metal working fluids. The additive comprises a fatty acid substituted, carboxylated bis-amidoamine.
Abstract:
The ammonium salt of a sulfated ethoxylated alcohol is used as an emulsifying agent to provide resistance to biological degradation of continuous water phase hydraulic fluids. The emulsification agent allows the necessary emulsification properties and in addition provides bioresistance such that there is no need to add a secondary biocide nor to correct emulsification characteristics in order to hold such materials stable in emulsion.
Abstract:
Crystalline lithium stearate aluminate improves the coefficient of friction, the antiwear properties and the extreme pressure properties of lubricating fluids.
Abstract:
Water-based metal-working lubricants containing an emulsion-type anionic, soluble oil comprising a low viscosity index (LVI) lubricating oil, sodium sulfonates as an emulsifier, a soluble oil coemulsifier base containing naphthenic acids, potassium hydroxide, anti-rust and anti-microbial agents and an effective amount of block copolymers of ethylene oxide and propylene oxide or other alkylene oxides having a molecular weight between about 800 and about 8,000.
Abstract:
This invention relates to a stable, fluid magnesium oxide-containing dispersion prepared by the thermal treatment of MgO powder in a non-volatile fluid in the presence of a stoichiometric or lesser amount of a carboxylic acid as illustrated by acetic acid.
Abstract:
The addition of an organic base to a functional fluid containing a perhalometallic or perhalometalloidic salt maintains the pH of the fluid greater than 7 and thereby stabilizes the antierosion properties of the fluid.
Abstract:
Compositions of 1,3,5-tris-(furfuryl)hexahydro-s-triazine are useful as antimicrobial agents particularly when added to metal-working compositions subject to fungal and bacterial attack.
Abstract:
This invention relates to colloidal dispersions of an alkaline earth metal salt in an oil-soluble acrylic polymer which is polymerized from a monomer system of at least one alkyl or hetero-substituted alkyl ester of an acrylic monomer selected from the group consisting of methacrylates and acrylates represented by the formula: ##STR1## wherein R.sup.1 is a --CH.sub.3 or --H radical, and R.sup.2 is selected from the group consisting of C.sub.1-30 alkyl and hetero-substituted alkyl radicals. This invention also relates to colloidal dispersions as described hereinabove wherein the monomer system further includes at least one non-acrylic polymerizable ethylenically unsaturated nitrogen-containing compound. Preferred polymerizable ethylenically unsaturated nitrogen-containing compounds are those selected from the group consisting of 2- and 4-vinylpyridines and N-vinyl-2-pyrrolidinones. Further, this invention relates to finished lubricating oil compositions wherein the metal salt-polymer dispersions are incorporated into lubricating oil compositions, either alone or in combination with other oil additives, whereby the metal salt-polymer colloidal dispersions impart improved properties to the finished lubricating oil compositions.
Abstract:
Magnesium-containing complexes are prepared by heating a mixture of magnesium hydroxide, magnesium oxide, hydrated magnesium oxide or a magnesium alkoxide; a carboxylic acid, a sulfonic acid, a pentavalent phosphorus acid, or an ester or salt of any of these; water; and an organic solubilizing agent (which may be liquid or solid at ambient temperature) for the acid or ester. The amount of magnesium is such as to provide a basic composition. The resulting complexes may be obtained in liquid (which may be thickened) or solid form, and are useful as additives for lubricants and fuels and as protective coating compositions for metal surfaces (such as automotive undercoats and frame coatings).