| 摘要 |
PROBLEM TO BE SOLVED: To obtain a cutting fluid for wire saws which can be easily cleaned from a sliced workpiece after cutting with a wire saw by using the fluid, exhibits little change in viscosity and a good adaptability to workpieces, and improves the cutting ability of a wire saw by incorporating a specific polyether compd. into the same. SOLUTION: This cutting fluid contains 50 wt.% or higher, pref. 70 wt.% or higher, still pref. 90 wt.% or higher, polyether compd. of the formula [wherein R1 and R2 are each H or a 1-24C hydrocarbon group provided at least one of them is a hydrocarbon group; EO is oxyethylene; AO is 3-4C oxyalkylene; (EO)m (AO)n is a polymer chain comprising m EO groups and n AO groups arranged randomly or in block; and m and n are each 1-50 provided m+n is 4-100]. A cutting fluid compsn. is prepd. by compounding 30-70 wt.%, pref. 40-60 wt.%, cutting fluid above-mentioned with 30-70 wt.%, pref. 40-60 wt.%, abrasive grains such as the grains of MgO, cerium oxide, alumina, SiC, or diamond. |
