REFRIGERATOR OIL COMPOSITION AND REFRIGERATOR SYSTEM

• Main Authors: MUTO MASATAKA, HOSHIDA TAKAHIRO, KANEKO MASATO, SANUKI MASAMI
• Format: Patent
• Language: English; Korean
• Published: 20.11.2015
• Subjects: BLASTING; CHEMISTRY; COMBINED HEATING AND REFRIGERATION SYSTEMS; FUELS; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; LUBRICANTS; LUBRICATING COMPOSITIONS; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION; WEAPONS

불포화 불화탄화수소 화합물과 포화 불화탄화수소 화합물과 CO의 혼합물로 이루어지는 냉매에 이용되며; 폴리옥시알킬렌글리콜류, 폴리바이닐에터류, 폴리(옥시)알킬렌글리콜 또는 그의 모노에터와 폴리바이닐에터의 공중합체, 및 폴리올에스터류로부터 선택되는 적어도 1종으로 이루어지고, 100℃에서의 동점도가 2mm/s 이상 50mm/s 이하, 하이드록실기가가 5mgKOH/g 이하인 기유를 함유하고; 지구 온난화 계수가 낮아, 특히 카 에어컨 등에 사용 가능한 냉매인, 불포화 불화탄화수소 화합물과 포화 불화탄화수소 화합물과 CO의 혼합물로 이루어지는 냉매를 이용한 냉동기 시스템에 사용할 수 있고; 상기 냉매에 대한 우수한 상용성을 가짐과 더불어, 안정성이 우수한 냉동기유 조성물이다. Provided is a refrigerating machine oil composition, which is to be used for a refrigerant including a mixture of an unsaturated fluorinated hydrocarbon compound, a saturated fluorinated hydrocarbon compound and CO 2 , contains a base oil which includes at least one selected from a polyoxyalkylene glycol, a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether, and a polyol ester and has a kinematic viscosity at 100°C of 2 mm 2 /s or more and 50 mm 2 /s or less and a hydroxyl value of 5 mgKOH/g or less, is able to be used for a refrigerating machine system using a refrigerant having a low global warming potential and usable especially for a car air conditioner or the like and including a mixture of an unsaturated fluorinated hydrocarbon compound, a saturated fluorinated hydrocarbon compound and CO 2 , and exhibits not only excellent compatibility with the refrigerant but also excellent stability.