REFRIGERATION OIL COMPOSITION AND WORKING FLUID FOR REFRIGERATION SYSTEM
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United States of America
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Jan 16, 2020
app pub date -
May 2, 2018
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May 2, 2018
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Abstract
A refrigeration oil composition includes: a mixture of a naphthenic mineral oil and at least one of a polyol ester oil and a polyvinyl ether oil; and at least one of a sorbitan compound and a glycerin fatty acid ester and a working fluid for a refrigeration system includes: the refrigeration oil composition; and one or more refrigerants selected from a hydrofluorocarbon refrigerant, a hydrofluoroolefin refrigerant and a carbon dioxide refrigerant.
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