C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 105/38 (2006.01) C09K 5/04 (2006.01)
Patent
CA 2678661
Disclosed is a refrigerator oil containing an ester of a polyhydric alcohol and a fatty acid containing 50-100% by mole of a fatty acid having 5-9 carbon atoms, not less than 30% by mole of a branched fatty acid having 5-9 carbon atoms, and not more than 40% by mole of a linear fatty acid having 5 or less carbon atoms. This refrigerator oil is characterized by being used together with a fluoropropene refrigerant and/or a trifluoroiodomethane refrigerant. Also disclosed is a working fluid composition for refrigerator, which is characterized by containing the above-mentioned ester, and a fluoropropene refrigerant and/or a trifluoroiodomethane refrigerant.
L'invention porte sur une huile pour machines frigorifiques contenant un ester d'un alcool polyvalent et d'un acide gras contenant 50-100% en moles d'un acide gras ayant 5-9 atomes de carbone, pas moins de 30% en moles d'un acide gras ramifié ayant 5-9 atomes de carbone, et pas plus de 40% en moles d'un acide gras linéaire ayant 5 atomes de carbone ou moins. Cette huile pour machines frigorifiques est caractérisée par le fait qu'elle est utilisée conjointement avec un réfrigérant de type fluoropropène et/ou un réfrigérant de type trifluoroiodométhane. L'invention porte également sur une composition de fluide de moteur pour machines frigorifiques, qui est caractérisée par le fait qu'elle contient l'ester mentionné ci-dessus, et un réfrigérant de type fluoropropène et/ou un réfrigérant de type trifluoroiodométhane.
Shimomura Yuji
Takigawa Katsuya
Marks & Clerk
Nippon Oil Corporation
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