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    • 6. 发明授权
    • Refrigeration compressor lubricant
    • 制冷压缩机润滑剂
    • US09255219B2
    • 2016-02-09
    • US13837649
    • 2013-03-15
    • Emerson Climate Technologies, Inc.
    • Louis RebrovicWilliam Bradford Boggess
    • C09K5/04C10M105/34C10M107/34C10M171/00C10M105/38
    • C09K5/045C10M105/38C10M107/34C10M171/008C10M2207/2835C10M2209/1095C10M2219/08C10M2219/083C10M2219/086C10M2219/104C10M2219/106C10N2220/302C10N2220/303C10N2230/02C10N2230/06C10N2240/30
    • Disclosed are working fluid compositions for heat transfer apparatuses, such as refrigeration systems, that include a refrigerant and an ester based lubricant. The working fluid may comprise ≦50% by weight of the ester based lubricant composition and ≧50% by weight of one or more refrigerant compounds. The ester based lubricant comprises an additive selected from the group consisting of: diaryl sulfides, arylalkyl sulfides, dialkyl sulfides, diaryl disulfides, arylalkyl disulfides, dialkyl disulfides, diaryl polysulfides, arylalkyl polysulfides, dialkyl polysulfides, dithiocarbamates, derivatives of 2-mercaptobenzothiazole, derivatives of 2,5-dimercapto-1,3,4-thiadiazole, and combinations thereof. The refrigerants may be C3-C8 hydrocarbons, trichlorofluoromethane (CFC-11), dichlorodifluoromethane (CFC-12), saturated hydrofluorocarbons, difluoromethane (HFC-32), 1,1,2,2-tetrafluoroethane (HFC-134), difluoroethane (HFC-152a), fluoroethane (HFC-161), R410A (a near-azeotropic mixture of difluoromethane (HFC-32) and pentafluoroethane (HFC-125)), 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), 1,1,1,2,3,3-hexafluoropropane (HFC-236ea), 1,1,1,3,3,3-hexafluoropropane (HFC-236fa), 1,1,1,3,3-pentafluoropropane (HFC-245fa), 1,1,1,3,3-pentafluorobutane (HFC-365mfc), hydrofluoroolefins, dimethyl ether, carbon dioxide, bis(trifluoromethyl)sulfide, and trifluoroiodomethane and combinations thereof.
    • 公开了包括制冷剂和酯基润滑剂的传热装置(例如制冷系统)的工作流体组合物。 工作流体可以包含50重量%的酯基润滑剂组合物和≥50重量%的一种或多种制冷剂化合物。 酯基润滑剂包括选自二芳基硫化物,芳基烷基硫化物,二烷基硫化物,二芳基二硫化物,芳基烷基二硫化物,二烷基二硫化物,二芳基多硫化物,芳烷基多硫化物,二烷基多硫化物,二硫代氨基甲酸盐,2-巯基苯并噻唑衍生物,衍生物 的2,5-二巯基-1,3,4-噻二唑及其组合。 制冷剂可以是C 3 -C 8烃,三氯氟甲烷(CFC-11),二氯二氟甲烷(CFC-12),饱和氢氟烃,二氟甲烷(HFC-32),1,1,2,2-四氟乙烷(HFC-134),二氟乙烷 HFC-152a),氟乙烷(HFC-161),R410A(二氟甲烷(HFC-32)和五氟乙烷(HFC-125)的近共沸混合物),1,1,1,2,3,3,3-七氟丙烷 (HFC-227ea),1,1,1,2,3,3-六氟丙烷(HFC-236ea),1,1,1,3,3,3-六氟丙烷(HFC-236fa),1,1,1, 3,5-五氟丙烷(HFC-245fa),1,1,1,3,3-五氟丁烷(HFC-365mfc),氢氟烯烃,二甲醚,二氧化碳,双(三氟甲基)硫醚和三氟碘甲烷及其组合。