Patent ID: 6217791
Filing Date: 2001-04-17
Classification: C10M,C10N

Abstract:
A refrigerant composition comprising a fluorinated hydrocarbon coolant and at least one lubricant compound of the formula:CH.sub.3 O (AO).sub.m (CH.sub.2 CH.sub.2 O).sub.n HwhereinAO is individually selected from the group consisting of oxyethylene and oxypropylene,m is a positive number in the range of 1 through 50 inclusive, provided that when m is 1, AO is oxypropylene and when m is greater than 1, (AO).sub.m is a polymeric difunctional grouping selected from among members of the class consisting of (a) polymeric groupings of oxypropylene groups and (b) polymeric groupings each consisting of both at least one oxyethylene group and at least one oxypropylene group,n is a positive number in the range of 1 through 10 inclusive,the end group at the hydrogen terminal is an oxyethylene group, andthe total content of oxyethylene groups is in the range of 5 through 60 weight percent based on total compound weight,the weight ratio of said coolant to said lubricant compound ranging from 1:99 to 99:1.