The embodiments of the invention disclose a mixed refrigerant for a cryogenic temperature range, and methods for preparing and applying the same. The mixed refrigerant comprises six types of refrigerants: the first type of refrigerant is argon or nitrogen; the second type of refrigerant is methane or krypton; the third type of refrigerant is tetrafluoromethane; the fourth type of refrigerant is trifluoromethane or fluoromethane; the fifth type of refrigerant is at least one of 2,3,3,3□tetrafluoro-1-propene, hexafluoropropylene, pentafluoropropene, and 1,3,3,3-tetrafluoro-1-propene; and the sixth type of refrigerant is at least one of 1,1,1,3,3-pentafluoropropane, 1,1,2,2,3-pentafluoropropane, monochloro-trifluoropropene, and hexafluoro-2-butene. The mixed refrigerant has the advantages of a low ODP value, a low GWP value and non-flammability, it achieves the beneficial effects of non-toxic, environmental-friendly, convenient and safe, and it is for large-scale industrial production applications.

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

The present invention provides a method of producing a boron nitride containing fluid comprising the steps of: providing boron nitride; oxidising the boron nitride to functionalise the surface of the boron nitride; and dispersing the oxidised boron nitride in a base fluid to produce the boron nitride containing fluid. Associated boron nitride containing fluids and its use are also disclosed.

Provided is a chiller and system that may be utilized in a supercritical fluid chromatography method, wherein a non-polar solvent may replace a portion or all of a polar solvent for the purpose of separating or extracting desired sample molecules from a combined sample/solvent stream. The system may reduce the amount of polar solvent necessary for chromatographic separation and/or extraction of desired samples. The system may incorporate a supercritical fluid chiller, a supercritical fluid pressure-equalizing vessel and a supercritical fluid cyclonic separator. The supercritical fluid chiller allows for efficient and consistent pumping of liquid-phase gases employing off-the-shelf HPLC pumps. The pressure equalizing vessel allows the use of off-the-shelf HPLC column cartridges. The system may further incorporate the use of one or more disposable cartridges containing silica gel or other suitable medium. The system may also utilize an open loop cooling circuit using fluids with a positive Joule-Thompson coefficient.

A refrigerator oil composition containing an epoxy compound (X) having at least one of an olefin skeleton and a terpene skeleton, and a base oil (Y).

This invention relates to using an imidazolium bromide ionic liquid as an additive to lithium bromide in the absorbent for an absorption chiller. The imidazolium bromide ionic liquid is useful to increase the working region and to lower the risk of crystallization in an absorption chiller. The invention provides an absorption chiller comprising a mixture of a refrigerant and an absorbent, and the absorbent comprises lithium bromide and one or more imidazolium bromide ionic liquids.

A lubricating oil composition excellent in the wear resistance and a refrigerator oil composition excellent in the oxidation stability using the lubricating oil composition are provided by a lubricating oil composition containing a base oil (A) and a phosphine derivative (B) having one or more oxygen atom in a molecule.

The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be an epoxide, fluorinated epoxide or oxetane, or a mixture thereof with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants.

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.