C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/128
C10M 173/02 (2006.01)
Patent
CA 1143362
ABSTRACT OF THE DISCLOSURE A synthetic metal working lubricant characterized by an absence of mineral oil which is water immiscible and dispersible in water to form oil- in-water emulsions in which said lubricant is in the discontinuous phase. The lubricant is prepared using polybutenes, also referred to as polyiso- butylenes, having an average molecular weight within the range of approxi- mately 320-610 constituting a principal ingredient in combination with - polyethylene glycol mono- and/or diesters of higher carboxylic acids or mix- tures of such acids containing 8 to 22 carbon atoms in an acyclic or branched carbon chain and/or higher fatty acids containing 8-22 carbon atoms. Cor- rosion inhibiting agents which are effective in inhibiting corrosion of ferrous and non-ferrous metals to which the lubricant is applied for the purpose of working such metals also may be present. These lubricants are useful in metal working steps involving a plurality of metals, for example forming aluminum cans. They have the advantage of not containing any mineral oil, which is environmentally desirable.
353524
Nalco Chemical Company
Smart & Biggar
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