Compositions, systems and methods for introducing lubricants, and additives, that are designed to work with environmentally friendly refrigerants into vehicle heat management systems including passenger compartment air conditioning (A/C) systems are disclosed. Methods for charging lubricants and specific additives using environmentally desirable (low GWP) refrigerant or refrigerant blend compositions into an environmentally friendly system, such as a system that uses HFO-1234yf, are also disclosed.

The present invention relates to a refrigerant composition, including difluoromethane (HFC-32), pentafluoroethane (HFC-125), and trifluoroiodomethane (CF.sub.3I) for use in a heat exchange system, including air conditioning and refrigeration applications and in particular aspects to the use of such compositions as a replacement of the refrigerant R-410A for heating and cooling applications and to retrofitting heat exchange systems, including systems designed for use with R-410A.

The present invention relates to a refrigerant composition, including difluoromethane (HFC-32), pentafluoroethane (HFC-125), and trifluoroiodomethane (CF.sub.3I) for use in a heat exchange system, including air conditioning and refrigeration applications and in particular aspects to the use of such compositions as a replacement of the refrigerant R-410A for heating and cooling applications and to retrofitting heat exchange systems, including systems designed for use with R-410A.

The present invention is a lubrication oil composition which is characterized by containing (A) a liquid random copolymer of ethylene and an α-olefin, which is produced by a specific method and (F) a sulfur-containing compound wherein at least one hydrocarbon group that is adjacent to a sulfur atom is a secondary or tertiary hydrocarbon group, while containing, as an optional component, (G) a polymer of an α-olefin having 3 to 6 carbon atoms, and which is also characterized in that: the kinematic viscosity at 40° C. is 450 to 51,000 mm.sup.2/s; the content of sulfur is 0.1 to 5 parts by weight; and the content of the component (G) is 0 to 15 parts by weight. This lubrication oil composition is especially suitable for gear oils and the like.

The present invention is a lubrication oil composition which is characterized by containing (A) a liquid random copolymer of ethylene and an α-olefin, which is produced by a specific method and (F) a sulfur-containing compound wherein at least one hydrocarbon group that is adjacent to a sulfur atom is a secondary or tertiary hydrocarbon group, while containing, as an optional component, (G) a polymer of an α-olefin having 3 to 6 carbon atoms, and which is also characterized in that: the kinematic viscosity at 40° C. is 450 to 51,000 mm.sup.2/s; the content of sulfur is 0.1 to 5 parts by weight; and the content of the component (G) is 0 to 15 parts by weight. This lubrication oil composition is especially suitable for gear oils and the like.

A lubricating oil composition may have a high flash point, a low pour point, and excellent electrical insulation, while having excellent cooling performance. Such a lubricating oil composition may include a base oil (A), wherein the base oil (A) includes at least one synthetic oil (A1) selected from a polyalkylene glycol having a specific degree of polymerization and a polyvinyl ether having a specific degree of polymerization.

A lubricating oil composition may have a high flash point, a low pour point, and excellent electrical insulation, while having excellent cooling performance. Such a lubricating oil composition may include a base oil (A), wherein the base oil (A) includes at least one synthetic oil (A1) selected from a polyalkylene glycol having a specific degree of polymerization and a polyvinyl ether having a specific degree of polymerization.

A coating composition for producing an article is disclosed. The coating composition includes a blend of a polymer resin and a lubricating oil, wherein the coating composition is in a liquid-phase By using the coating composition, it is possible to produce the article which can be used in various industries, only with a simple process of molding and curing a polymer resin by the technique of the prior art.

A coating composition for producing an article is disclosed. The coating composition includes a blend of a polymer resin and a lubricating oil, wherein the coating composition is in a liquid-phase By using the coating composition, it is possible to produce the article which can be used in various industries, only with a simple process of molding and curing a polymer resin by the technique of the prior art.

A polyester is useful as a high viscosity base fluid. A method for its preparation involves isomerizing an alpha-olefin, epoxidizing an internal olefin, reacting an internal epoxide, and isolating the polyester. Lubricant compositions can contain such polyesters and the compositions are useful as automatic transmission fluids, manual transmission fluids, continuously variable transmission fluids, gear oil formulations, industrial gear oil formulations, axle fluid formulations, dual clutch transmission fluids, dedicated hybrid transmission fluids, or as hydraulic oils.