| 摘要 |
PURPOSE:To obtain a refrigerator oil superior in oxidative stability to the conventional ones. CONSTITUTION:2,6-Di-t-butylphenol and p-t-amylphenol phosphite are incorporated as antioxidants into either a naphthenic/paraffinic mineral oil or a synthetic alkylbenzene/ester oil in amounts of 0.3-1.2wt.% and 0.2-0.9wt.%, respectively, based on the base oil. |
