Water-based metalworking fluid

Details Water-based metalworking fluid Water-based metalworking fluid

C - Chemistry, Metallurgy

10

M

C10M 141/06 (2006.01)

Patent

CA 2545089

A water-based, recyclable metalworking fluid comprises a polyalkylene glycol, an alkanolamine, a polyglycol surfactant, a polyol surfactant, a biocide and a corrosion inhibitor. The biocide may comprise a mixture of biocidal compounds effective against bacterial and fungal organisms. The material may also include an isoalkoxy amine oxide and a glycol ether. The composition may also include ancillary ingredients such as viscosity controlling agents, defoamers, coloring agents and the like. It is a notable feature of the composition of the present invention that it is free of hazardous materials and fatty acids. Also disclosed is a method for using the composition in a metal-shaping operation.

Cette invention se rapporte à un liquide métallurgique recyclable à base d'eau, qui comprend un polyalkylène glycol, une alcanolamine, un tensioactif au polyglycol, un tensioactif au polyol, un biocide et un inhibiteur de corrosion. Le biocide peut contenir un mélange de composés biocides efficaces contre les organismes bactériens et fongiques. Ce liquide peut également contenir un isoalcoxy-aminoxyde et un éther glycolique. Cette composition peut également renfermer des ingrédients auxiliaires tels que des agents de régulation de la viscosité, des additifs antimousse, des agents colorants et similaires. Cette composition possède comme caractéristique notable d'être exempte de substances dangereuses et d'acides gras. Cette invention concerne également un procédé d'utilisation de cette composition dans des opérations de façonnage de métaux.

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