Lubricating oil for compression-type refrigerators
    1.
    发明授权
    Lubricating oil for compression-type refrigerators 失效
    用于压缩式冰箱的润滑油

    公开(公告)号:US5908818A

    公开(公告)日:1999-06-01

    申请号:US648059

    申请日:1996-05-17

    摘要: There is disclosed a lubricating oil for compression-type refrigerators comprising a polyvinyl ether compound which contains a constituting unit represented by the general formula (I), a polyvinyl ether compound which contains constituting units represented by each one of the general formulae (I) and (II), or a mixture of these polyvinyl ether compounds, as the main component thereof. Ratio by mol of carbon to oxygen in the above polyvinyl ether compounds is 4.2 to 7.0. Also disclosed is a lubricating oil for compression-type refrigerators comprising a polyvinyl ether compound containing constituting units which are both represented by the general formula (I) but between which R.sup.5 is different. The lubricating oil for compression-type refrigerators has excellent compatibility with hydrofluorocarbons, such as 1,1,1,2-tetrafluoroethane, and hydrochlorofluorocarbons which can be used as the refrigerant to replace compounds causing environmental pollution such as dichlorodifluoromethane, shows low hygroscopicity, and exhibits superior stability and lubricating property. ##STR1##

    摘要翻译: PCT No.PCT / JP94 / 02011 Sec。 371日期1996年5月17日 102(e)日期1996年5月17日PCT 1994年11月30日PCT PCT。 WO95 / 15367 PCT出版物 日期:1995年6月8日公开了一种压缩型冰箱用润滑油,其包含含有由通式(I)表示的构成单元的聚乙烯基醚化合物,含有由通式(I)表示的构成单元 式(I)和(II),或这些聚乙烯基醚化合物的混合物作为其主要成分。 上述聚乙烯醚化合物中的碳与氧的摩尔比为4.2〜7.0。 还公开了一种用于压缩式冰箱的润滑油,其包含含有由通式(I)表示但R5不同的构成单元的聚乙烯基醚化合物。 用于压缩式冰箱的润滑油与氢氟烃如1,1,1,2-四氟乙烷和可用作制冷剂替代引起环境污染的化合物如二氯二氟甲烷的氢氯氟烃具有优异的相容性,显示出低吸湿性,和 表现出优异的稳定性和润滑性。