Aqueous concentrated cooling lubricant for the mechanical workin

Details Aqueous concentrated cooling lubricant for the mechanical workin Aqueous concentrated cooling lubricant for the mechanical workin

1987-05-13

1989-05-09

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

C10M17300

Patent

active

048287377

ABSTRACT:
Aqueous concentrated cooling lubricants are provided in the form of a stable solution ready to use after dilution with water in processes for the mechanical working of aluminum and aluminum alloys, and containing as lubricating and corrosion inhibiting agents a combination of (a) a carboxylic acid R.sub.1 COOH, R.sub.1 having from about seven to about twenty-two carbon atoms, (b) a tertiary alkylalkanolamine having a molecular weight of less than 300 and (c) a water-soluble organic solubilizer having a molecular weight of less than 400, and a hydrocarbon group of at most 6 carbon atoms, the amounts of the carboxylic acid and the alkanolamine being selected to provide a base/acid equivalent ratio of less than 0.9.

REFERENCES:
patent: 3374171 (1968-03-01), Davis
patent: 4243537 (1981-01-01), Knepp et al.
patent: 4452712 (1984-06-01), Laemmle
patent: 4636321 (1987-01-01), Kipp et al.

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