C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 105/06 (2006.01) C09K 5/04 (2006.01) C10M 107/34 (2006.01) C10M 111/04 (2006.01) C10M 169/04 (2006.01)
Patent
CA 2375594
A lubricant-refrigerant composition for a compression refrigeration system is disclosed which comprises (A) carbon dioxide refrigerant, and (B) a lubricant of an aliphatic naphthalene. A supplemental lubricant comprising at least one alkyl benzene, a hydrocarbon, a polyalkylene glycol, a polyol ester or a polyvinyl ether may also be present. Additionally, a performance additive comprising an alkoxylated alcohol or phenol, an alkoxylated glycol, an alkyl phenol or a phosphorus compound may also be present.
La présente invention concerne une composition de lubrifiant-réfrigérant destiné à un système de réfrigération à compression. Cette composition comprend (A) un réfrigérant à base de dioxyde de carbone et (B) un lubrifiant à base de naphtalène aliphatique. Un lubrifiant additionnel comprenant au moins un alkyle-benzène, un hydrocarbure, un polyakylène-glycol, un ester de polyol ou un polyvinyle-éther peut également être présent. De plus, un additif de rendement comprenant un phénol ou alcool un alcoxylaté, un glycol alcoxylaté, un alkyle-phénol ou un composé phosphoré peut également être présent.
Rajewski Thomas E.
Tolfa John C.
Ridout & Maybee Llp
The Lubrizol Corporation
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