METALWORKING FLUID, METAL WORKING METHOD AND METAL WORK PRODUCT
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United States of America Patent
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Issued Date -
Jul 12, 2012
app pub date -
Sep 17, 2010
filing date -
Sep 18, 2009
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Abandoned
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Abstract
The invention provides a metalworking fluid which contains (A) a base oil including 2-ethylhexanol palmitate or 2-ethylhexanol stearate, and (B) an anionic surfactant that is a salt of a branched aliphatic carboxylic acid having 8 to 18 carbon atoms with a branched alkanolamine having 3 to 12 carbon atoms. The metalworking fluid of the invention is excellent in the cutting performance, anti-foaming properties, stability of stock solution, emulsion stability and resistance to hydrolysis, and shows low kinematic viscosity at low temperatures.
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