| 摘要 |
PURPOSE:To provide a refrigerator oil composition comprising an alkylene oxide adduct of a cyclic amide compound, etc., good in high solubility in CFC 134a, excellent in lubricity, and useful for compressors, etc. CONSTITUTION:The composition comprises (A) an alkylene oxide adduct of a cyclic amide compound such as 2-pyrrolidone and/or epsilon-caprolactam, and/or (B) a formal condensate of the component A, and/or (C) an alkyl ether of the component A. |
