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For carbon dioxide refrigerant for refrigerating machine oil base oil and carbon dioxide refrigerant for refrigerating machine oil
For carbon dioxide refrigerant for refrigerating machine oil base oil and carbon dioxide refrigerant for refrigerating machine oil
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机译：用于制冷机油的二氧化碳制冷剂基础油和制冷机油的二氧化碳制冷剂
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摘要
PROBLEM TO BE SOLVED: To provide a base oil for refrigerator oil for carbon dioxide refrigerant which has excellent stability and electric insulation, adequate compatibility with the refrigerant and exhibits sufficient lubricity without increasing the viscosity of the base oil in the case of being used with the carbon dioxide refrigerant, and the refrigerator oil for carbon dioxide refrigerant.;SOLUTION: Each of the base oil for refrigerator oil for carbon dioxide refrigerant and the refrigerator oil for carbon dioxide refrigerant contains a complete ester of a carboxylic acid satisfying conditions of (1) and (2) and a polyhydric alcohol. (1) The sum total MA1+MB of the percentage MA1 (unit; mol%) of a 14-22C branched fatty acid occupying in the fatty acid and the percentage MB (unit; mol%) of a 5-12C fatty acid occupying in the fatty acid is 90-100 mol%. (2) The ratio of MA1/MB is (40/60) to (99.9/0.1).;COPYRIGHT: (C)2009,JPO&INPIT
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机译：解决的问题：提供用于二氧化碳制冷剂的冷冻机油用基础油，其具有优异的稳定性和电绝缘性，与制冷剂充分相容并且在不增加基础油粘度的情况下具有足够的润滑性。解决方案：用于二氧化碳制冷剂的冷冻机油基础油和用于二氧化碳制冷剂的冷冻机油均包含满足以下条件的完全羧酸酯：（1） （2）和多元醇。 （1）14-22C支链脂肪烃中M A1 的百分比M A1 + M B 的总和脂肪酸中所含的5-6C脂肪酸的M B 百分数（单位：mol％）为90-100mol％。 （2）M A1 / M B 之比为（40/60）对（99.9 / 0.1）.;版权：（C）2009，JPO＆INPIT
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