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Lubricant composition containing a fluorinated aromatic compound and an aromatic compound substituted with an alkyl or alkyl derivative and a cooling composition containing them
Lubricant composition containing a fluorinated aromatic compound and an aromatic compound substituted with an alkyl or alkyl derivative and a cooling composition containing them
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机译:包含氟化芳族化合物和被烷基或烷基衍生物取代的芳族化合物的润滑剂组合物和包含它们的冷却组合物
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摘要
Disclosed is a lubricant oil composition comprising: (A) a fluorine-containing aromatic compound, and (B) an alkyl- or alkyl derivative-substituted aromatic compound having a kinetic viscosity of from 0.1 to 500 cSt as measured at 40 DEG C, wherein: the compound (A) is represented by the formula: R(XRf)n (A) wherein X represents an oxygen or a sulfur atom; n is an integer of from 1 to 4; R represents an n-valent, unsubstituted or substituted aromatic group having from 6 to 60 carbon atoms; and Rf represents an unsubstituted or partially substituted fluorocarbon group having from 1 to 25 carbon atoms; and the compound (B) comprises at least one substituted aromatic nucleus, wherein a substituent is an unsubstituted or substituted alkyl group having from 1 to 30 carbon atoms, or a derivative thereof. The lubricant oil composition having a kinetic viscosity of from 2 to 500 cSt as measured at 40 DEG C. The lubricant oil composition exhibits not only excellent miscibility with hydrofluorocarbon refrigerants and hydrofluoroether refrigerants over a wide temperature range, but also satisfy all requirements of properties for use thereof as a lubricant in refrigeration equipment, that is, low temperature fluidity, low moisture absorption properties, high electrical insulation, prolonged durability, and excellent lubricating properties.
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