WORKING FLUID COMPOSITION FOR REFRIGERATOR AND REFRIGERATION OIL

Title:

WORKING FLUID COMPOSITION FOR REFRIGERATOR AND REFRIGERATION OIL

Document Type and Number:

WIPO Patent Application WO/2015/115232

Kind Code:

A1

Abstract:

Provided is a working fluid composition for a refrigerator which comprises a refrigeration oil including an ester of a polyalcohol and fatty acid, a carbodiimide compound, and a phosphorus compound, and at least one type of refrigerant selected from 1,1,1,2-tetrafluoroethane and 2,3,3,3-tetrafluoropropene, wherein the polyalcohol includes a pentaerythritol and dipentaerythritol, the fatty acid includes at least one selected from fatty acids having 4 to 9 carbon atoms, and the carbodiimide compound and phosphorus compound meet the condition represented by formula (1). [NC is the number of carbodiimide groups per molecule of the carbodiimide compound, MC is the molecular weight of the carbodiimide compound, WC is the content of the carbodiimide compound, NP is the number of phosphorus atoms per molecule of the phosphorus compound, MP is the molecular weight of the phosphorus compound, and WP is the content of the phosphorus compound.]

Inventors:

TAKAHASHI HITOSHI (JP)
SAWADA KEN (JP)
TADA AKIRA (JP)
KONNO SOUICHIROU (JP)

Application Number:

PCT/JP2015/051251

Publication Date:

August 06, 2015

Filing Date:

January 19, 2015

Export Citation:

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Assignee:

JX NIPPON OIL & ENERGY CORP (JP)

International Classes:

C10M169/04; C09K5/04; C10M105/38; C10M129/10; C10M133/22; C10M137/04; C10M137/10; C10N30/00; C10N30/06; C10N40/30

Domestic Patent References:

WO2010029704A1

2010-03-18

Foreign References:

JP2001226690A	2001-08-21
JP2006342357A	2006-12-21
JPH08120288A	1996-05-14
JPH09189453A	1997-07-22

Other References: