C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 43/225 (2006.01) C10M 105/00 (2006.01) C10M 105/50 (2006.01) C10M 105/54 (2006.01) C10M 169/04 (2006.01) C10M 171/00 (2006.01)
Patent
CA 2129380
ABSTRACT OF THE DISCLOSURE Disclosed is a lubricant oil composition comprising: (A) a fluorine-containing aromatic compound, and (B) an alkyl- or alkyl derivative-substituted aro- matic compound having a kinetic viscosity of from 0.1 to 500 cSt as measured at 40 °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 unsubstitut- ed or substituted alkyl group having from 1 to 30 carbon atoms, or a derivative thereof. The lubricant oil compo- sition having a kinetic Viscosity of from 2 to 500 cSt as measured at 40 °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, pro- longed durability, and excellent lubricating properties.
Fukui Hiroyuki
Ikeda Masanori
Sanechika Kenichi
Asahi Kasei Kogyo Kabushiki Kaisha
Goudreau Gage Dubuc
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