abstract |
A composition, comprising: a lubricant, HFC-1234yf and HFC-134a; a lubricant, HFC-1234yf and HFC-152a; a lubricant, HFC-1234yf and HFC-32; a lubricant, HFC-1234yf, HFC-32 and HFC-125; a lubricant, HFC-1234yf, HFC-32 and HFC-143a; or a lubricant, HFC-1234yf, HFC-125 and HFC-143a; wherein the lubricant is selected from the group consisting of polyol esters and polyvinyl ethers. |