냉동기유, 냉동기용 작동 유체 조성물 및 냉동기유의 제조 방법

• Main Authors: SHONO YOHEI, OGATA HIDETOSHI, NARA FUMIYUKI
• Format: Patent
• Language: Korean
• Published: 29.11.2022
• Subjects: CHEMISTRY; FUELS; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

본 발명의 일 측면은, 40℃에 있어서의 동점도가 6㎟/s 미만인 제1 탄화수소계 기유와, 40℃에 있어서의 동점도가 6㎟/s 이상인 제2 탄화수소계 기유의 혼합 기유를 포함하는 냉동기유이며, 혼합 기유의 40℃에 있어서의 동점도를 (A)라 하고, 제1 탄화수소계 기유의 40℃에 있어서의 동점도를 (B)라 했을 때, (A)/(B)가 1을 초과하고 1.5 이하인, 냉동기유를 제공한다. An aspect of the present invention provides a refrigerating machine oil containing a mixed base oil of a first hydrocarbon base oil having a kinematic viscosity at 40°C of less than 6 mm2/s and a second hydrocarbon base oil having a kinematic viscosity at 40°C of 6 mm2/s or more, wherein a (A)/(B) ratio is more than 1 and 1.5 or less, wherein (A) is a kinematic viscosity at 40°C of the mixed base oil, and (B) is the kinematic viscosity at 40°C of the first hydrocarbon base oil.