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    • 62. 发明授权
    • Lubricating oil composition for refrigerators
    • 冰箱润滑油组成
    • US08480919B2
    • 2013-07-09
    • US12595837
    • 2008-04-18
    • Masato KanekoHarutomo Ikeda
    • Masato KanekoHarutomo Ikeda
    • C09K5/04
    • C10M171/008C10M169/04C10M2207/026C10M2207/042C10M2207/2835C10M2223/041C10M2223/049C10N2220/021C10N2220/022C10N2220/301C10N2220/302C10N2230/10C10N2230/40C10N2240/30
    • A lubricating oil composition for refrigerators including (A) a base oil containing as a main component a polyol ester compound obtained from a polyhydric alcohol selected from among pentaerythritol, dipentaerythritol, trimethylolpropane and neopentyl glycol and a C4 to C20 aliphatic monocarboxylic acid, (B) a phosphorus-based additive comprised of a phosphoric acid triester and/or a phosphorous acid triester, and (C) at least one acid scavenger selected from among glycidyl esters, glycidyl ethers and α-olefin oxides.The lubricating oil composition is applicable to such refrigerators that use a refrigerant having a specific structure, such as an unsaturated fluorinated hydrocarbon compound, and being usable in current car air conditioner systems, and has excellent compatibility with the refrigerant, good sealing properties, capability of imparting a low coefficient of friction to sliding members and, yet, excellent stability.
    • (A)以季戊四醇,二季戊四醇,三羟甲基丙烷,新戊二醇等多元醇得到的多元醇酯化合物和C4〜C20脂肪族一元羧酸作为主要成分的基油,(B) 由磷酸三酯和/或亚磷酸三酯组成的磷基添加剂,和(C)至少一种选自缩水甘油酯,缩水甘油醚和α-烯烃氧化物的酸清除剂。 润滑油组合物适用于使用具有特定结构的制冷剂,例如不饱和氟化烃化合物的冰箱,并且可用于目前的汽车空调系统,并且与制冷剂具有优异的相容性,良好的密封性能, 赋予滑动构件低的摩擦系数,而且具有优异的稳定性。