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    • 97. 发明申请
    • Refrigerating machine oil composition
    • 制冷机油组成
    • US20030166478A1
    • 2003-09-04
    • US10333687
    • 2003-01-23
    • Yuji ShimomuraKatsuya Takigawa
    • C10M129/72C10M129/18
    • C10M105/42C10M171/008
    • A refrigerating machine oil composition according to the invention comprises an alicyclic polycarboxylic acid ester compound obtained from the following compounds (a) to (c): (a) an alicyclic polycarboxylic acid having an alicyclic ring and two or more carboxyl groups, or its derivative, wherein at least two of the carboxyl groups are bonded to mutually adjacent carbon atoms on the alicyclic ring; (b) a compound with two or more hydroxyl groups or its derivative; and (c) a compound with one hydroxyl group or its derivative. It can be used together with HFC refrigerants and natural refrigerants such as carbon dioxide and hydrocarbons, to provide a satisfactory balance between all of the properties of lubricity, miscibility with refrigerants, heat and hydrolytic stability and electric insulating property.
    • 根据本发明的冷冻机油组合物包含由以下化合物(a)至(c)获得的脂环族多元羧酸酯化合物:(a)具有脂环和两个或多个羧基的脂环族多元羧酸或其衍生物 其中至少两个羧基键合在脂环上相互相邻的碳原子上; (b)具有两个或多个羟基或其衍生物的化合物; 和(c)具有一个羟基或其衍生物的化合物。 它可与HFC制冷剂和天然制冷剂如二氧化碳和碳氢化合物一起使用,以提供润滑性,与制冷剂的混溶性,热和水解稳定性以及电绝缘性的所有性能之间的令人满意的平衡。