There are disclosed novel water-soluble metal working fluids comprising polyaspartic acid and salts thereof useful as a lubricant in process to cut, bend, grind and shape both ferrous and non-ferrous metal. The polyaspartic acid and salts thereof are particularly advantageous in that the fluids can be easily disposed of after use without special treatment because polyaspartic acid and salts thereof are readily biodegradable.
申请公布号
WO9510583(A1)
申请公布日期
1995.04.20
申请号
WO1994US11645
申请日期
1994.10.07
申请人
MONSANTO COMPANY;KALOTA, DENNIS, JEROME;RAMSEY, SKIPPY, HAROLD;SPICKARD, LARRY, ALAN
发明人
KALOTA, DENNIS, JEROME;RAMSEY, SKIPPY, HAROLD;SPICKARD, LARRY, ALAN