The present invention provides a polyvinyl ether compound containing an alkylene glycol or polyoxyalkylene glycol unit and a vinyl ether unit in a molecule and having a molecular weight in the range of 300 to 3,000. It shows high volume resistivity and a high viscosity index, so it can be favorably used as lubricating oil for a compression refrigerator.
本发明提供了一种聚
乙烯醚化合物,其分子中含有一种烷基二醇或聚氧烷二醇单元和一种
乙烯醚单元,并且分子量在300至3,000范围内。它表现出高体积电阻率和高粘度指数,因此可以优选用作压缩式制冷剂的润滑油。