| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lubricant composition for refrigerating machines, which is excellent in stability as a lubricant composition for refrigerating machines using various refrigerants such as saturated or unsaturated fluorohydrocarbons, carbon dioxide, hydrocarbons and ammonia which are refrigerants having a low global warming potential and usable, e.g., for existing car air-conditioning systems. <P>SOLUTION: The lubricant composition for refrigerating machines is obtained by blending a bisphenol selected from 4,4'-methylenebis(2,6-di-t-butyl-phenol), 2,2'-methylenebis(4-methyl-6-t-butylphenol), 2,2'-methylenebis(4-ethyl-6-t-butylphenol), and 4,4'-butylidenebis(3-methyl-6-t-butylphenol) into a base oil. <P>COPYRIGHT: (C)2010,JPO&INPIT |
