Water-soluble cutting oil composition

Abstract

PURPOSE:To provide the titled compsn. having excellent cutting properties and good anti-foaming properties and rust proofness, containing a salt of an epoxidized fatty acid or a salt of a polyhydroxyfatty acid. CONSTITUTION:A water-soluble cutting oil compsn. contains a salt of an epoxidized fatty acid where an oxirane oxygen atom is attached to the double bond of an unsaturated fatty acid (e.g. sodium salt of an epoxidized fatty acid having an acid value of 156 and an oxirane value of 4.0% obtd. from a tall oil fatty acid) or a salt of a polyhydroxyfatty acid obtd. by hydrating an epoxidized fatty acid where the oxirane oxygen atom is attached to the double bond of an unsaturated fatty acid (e.g. sodium salt of a polyhydroxyfatty acid having an acid value of 132, a hydroxyl value of 214 and an iodine value of 16). The compsn. has excellent cutting properties, can inhibit foaming, has excellent rust proofness and is superior to conventional water-soluble cutting oil.

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Cited By (3)

    Publication numberPublication dateAssigneeTitle
    JP-2006299220-ANovember 02, 2006Nippon Oil Corp, 新日本石油株式会社Lubricating oil composition for metal working
    JP-2012224860-ANovember 15, 2012Jx Nippon Oil & Energy Corp, Jx日鉱日石エネルギー株式会社金属加工用潤滑油組成物