Patent ID: 6231782
Filing Date: 2001-05-15
Classification: C09K,C10M,C10N

Abstract:
A fluid composition for refrigerating machines comprising;(I) a refrigerating machine oil composition which comprises(a) a hydrocarbon oil, and(b) an alicyclic polycarboxylic acid ester compound having an alicyclic ring and at least two ester groups represented by formula --COOR.sup.1 bonded to adjacent carbon atoms of the alicyclic ring, wherein R.sup.1 represents a hydrocarbon group having 1-30 carbon atoms, and R.sup.1 of each of the ester groups may be the same or different from each other; and(II) a refrigerant selected from a group consisting of hydrofluorocarbon refrigerants, fluorine-containing ether refrigerants, fluorine-free ether refrigerants and natural refrigerants.