Patent ID: 6562766
Filing Date: 2003-05-13
Classification: C10M,C10N

Abstract:
A metal oil composition for cutting metals comprising 100 parts by weight of a lubricant base oil that comprises from 0 to 30% by weight of (a) a mineral base oil and from 70% to 100% by weight of (b) at least one synthetic base oil selected from the group consisting of 1-octene, 1-decene, 2-decene, 3-decene, 4-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicosene, diisobutylene, triisobutylene, tetraisobutylene, tripropylene, tetrapropylene, pentapropylene, cyclooctene, cyclodecene, cyclododecene, cyclohexadecene, cycloeicosene, cyclooctadiene, cyclooctatetraene, cyclododecadiene, cyclododecatriene, alkylnorbomenes, alkylnorbomadienes, alkylbenzenes, alkylnaphthalenes, 1-decyne, 1,4-butynediol, dibutyl maleate and trioctyl trimellitate, andfrom 0.1 to 25 parts by weight of (c) one or more sulfur-containing extreme-pressure agent(s), and from 0.1 to 7 parts by weight of (d) one or more alkali metal and/or alkaline earth metal sulfonate(s).