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Working fluid composition for refrigerator, refrigeration oil, and method for producing same

一种工作流体、冷冻机油的技术，应用在润滑组合物、化学仪器和方法、石油工业等方向，能够解决温室效果大等问题，达到低吸湿性、综合性能优异、优异稳定性的效果

Active Publication Date: 2014-11-12
JX NIPPON OIL & ENERGY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, although HFC does not destroy the ozone layer, it has a large greenhouse effect, and is not necessarily an excellent refrigerant from the viewpoint of global warming, which has become a problem in recent years.

Method used

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  • Working fluid composition for refrigerator, refrigeration oil, and method for producing same
  • Working fluid composition for refrigerator, refrigeration oil, and method for producing same
  • Working fluid composition for refrigerator, refrigeration oil, and method for producing same

Examples

Experimental program
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Effect test

no. 1 Embodiment approach

[0035] [1st Embodiment: Refrigeration Oil and its Manufacturing Method]

[0036] The refrigerating machine oil according to the first embodiment of the present invention is used together with a hydrocarbon refrigerant having 2 to 4 carbon atoms, and contains refrigerating machine oil whose kinematic viscosity at 40°C is 2 to 12 mm 2 / s, the flash point is 120°C or higher, and the %C in the n-d-M ring analysis is contained in the mass ratio of mineral oil / alkylbenzene=85 / 15 to 15 / 85 N is 20 to 60, the pour point is -15°C or less, and the kinematic viscosity at 40°C is 1.5 to 15mm 2 / s of the aforementioned mineral oil, and the aforementioned alkyl benzene.

[0037] Further, the method for producing a refrigerating machine oil for a hydrocarbon refrigerant having 2 to 4 carbon atoms according to the first embodiment of the present invention includes a step of obtaining refrigerating machine oil whose temperature of the refrigerating machine oil is at a temperature of 40° C. Th...

no. 2 Embodiment approach

[0066] [Second Embodiment: Working Fluid Composition for Refrigerator]

[0067] The working fluid composition for refrigerators according to the second embodiment of the present invention contains refrigerator oil having a kinematic viscosity of 2 to 12 mm at 40° C. and a hydrocarbon refrigerant having 2 to 4 carbon atoms. 2 / s, the flash point is 120°C or higher, and the mass ratio of mineral oil / alkylbenzene=85 / 15 to 15 / 85 contains %C in n-d-M ring analysis N is 20 to 60, the pour point is -15°C or less, and the kinematic viscosity at 40°C is 1.5 to 15mm 2 / s of the aforementioned mineral oil, and the aforementioned alkyl benzene. It should be noted that the refrigerating machine oil contained in the working fluid composition for a refrigerator according to the present embodiment is the same as the refrigerating machine oil described in the above-mentioned first embodiment, and therefore, the overlapping description is omitted here.

[0068] Specific examples of the hydroc...

Embodiment 1

[0073] The kinematic viscosity at 40°C is 3.4mm 2 / s, flash point 108°C, %C under n-d-M ring analysis N Mineral oil (VG3 base oil manufactured by Yoshikun Nippon Oil & Energy Co., Ltd.) with a pour point of 40 and a pour point of -50°C or lower. Hereinafter, referred to as "mineral oil A"), and the kinematic viscosity at 40°C is 4.5 mm 2 / s, Alkylbenzene with a flash point of 158°C (manufactured by Yoshikun Nippon Oil & Energy Co., Ltd., straight-chain alkylbenzene, referred to as "LAB") was mixed in a mass ratio of mineral oil A / LAB=30 / 70 , resulting in a kinematic viscosity of 4.1mm at 40°C 2 Refrigeration oil with a flash point of 136°C and a pour point of -50°C.

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Abstract

This working fluid composition for a refrigerator comprises: a refrigeration oil having a kinematic viscosity at 40°C of 2-12 mm2 / s and a flash point of 120°C or higher and containing an alkylbenzene and a mineral oil in which the %CN in n-d-M ring analysis is 20-60, the pour point is -15°C or lower, and the kinematic viscosity at 40°C is 1.5-15 mm2 / s, the mass ratio between said mineral oil / said alkylbenzene being 85 / 15 to 15 / 85; and a C2-4 hydrocarbon refrigerant.

Description

technical field [0001] The present invention relates to a working fluid for refrigerators and refrigerator oil (lubricating oil for refrigerators) using hydrocarbons such as ethane, propane, butane, isobutane, etc., which are extremely low in global warming potential and are excellent for the environment as refrigerants, and The production method thereof, in more detail, relates to a refrigeration oil suitable for the system with high reliability without causing abrasion even if the viscosity is reduced for power saving of the refrigeration system. Background technique [0002] Conventionally, in refrigerators, air conditioners, refrigerators, and the like, Freon containing fluorine and chlorine as constituent elements has been used as a refrigerant. Examples of such Freon include chlorofluorocarbons (CFC) such as R-11 (trichloromonofluoromethane) and R-12 (dichlorodifluoromethane), and hydrochloric acid such as R-22 (monochlorodifluoromethane). Fluorocarbons (HCFCs), etc. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10M101/02C10M105/06C10M129/16C10M129/76C10M137/04C10N20/00C10N20/02C10N30/00C10N30/06C10N30/08C10N40/30
CPCC10M2205/0285C10M2203/1006C10N2240/30C10N2230/02C10M2207/289C10M2207/283C10N2230/60C10N2220/022C10M2205/223C10M2223/04C10M171/008C10M2207/04C10M2203/1045C10M2203/1065C10M2207/046C10M2223/041C10N2020/02C10N2020/103C10N2030/02C10N2030/10C10N2030/08C10N2030/60C10N2030/06C10N2040/30C09K5/042C09K2205/12
Inventor 斋藤正典奈良文之松本朋也阿出川邦子
Owner JX NIPPON OIL & ENERGY CORP
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