| 摘要 |
<p>PURPOSE:A cold rolling oil for steel plate having improved coefficient of friction and pressure resistance even under high pressure and high-speed rotation, containing a specific amount of an esterified product of a specific fatty acid and glycol and a specific amount of fats and oils of fish belonging to the family Trachichthyidae, etc. CONSTITUTION:The aimed cold rolling oil containing (A) 1-95 wt.% esterified product of a fatty acid and glycol, shown by the formula [R and R' are >=5 C(hydroxy)alkyl, or (hydroxy)alkenyl; X is ethyl, (iso)propyl, or (iso)butyl; n is >=1 integer] and (B) 1-95 wt.% fats and oils obtained from fish belonging to the family Trachichthyidae, a hydrogenated substance of it and/or a higher fatty acid or higher alcohol, a hydrolyzate of the fats and oils. EFFECT:Having improved high mill cleaning properties.</p> |
