公开(公告)号：WO2022013902A1

公开(公告)日：2022-01-20

申请号：PCT/IT2021/050220

申请日：2021-07-15

Applicant: KIMYA S.R.L.

Inventor： PIERANGELI, Andrea

IPC: C10M169/04 ,  C10M173/00 ,  C10M173/02 ,  C10N30/00 ,  C10N40/22 ,  C10N40/20 ,  C10N50/00

Abstract: The invention concerns a metalworking fluid formulated starting from natural oils coming from renewable sources, and free from amines, formaldehyde, boron and chlorine, which can be used as it is, after emulsifying in water, or is already pre-emulsified and is to be simply diluted with water. At the end of its life cycle, the specific formulation of the metalworking fluid allows a simple and economical treatment for breaking of the exhausted emulsion and treating the resulting oily and aqueous phases.