07-01-2021 дата публикации
Номер: US20210002572A1
To provide a lubricating oil composition achieving both of high traction coefficient and excellent low temperature fluidity at a higher level and having a high flash point, which contains a naphthene-based synthetic oil (A) having a flash point of 140° C. or higher, a longifolene (B), and a predetermined monoester-based synthetic oil (C), a method for producing the lubricating oil composition, and a continuously variable transmission using the lubricating oil composition. 2: The lubricating oil composition according to claim 1 , wherein the naphthene-based synthetic oil (A) is a synthetic oil having at least one ring selected from a cyclohexane ring claim 1 , a bicycloheptane ring claim 1 , and a bicyclooctane ring.3: The lubricating oil composition according to claim 1 , wherein the naphthene-based synthetic oil (A) is a synthetic oil represented by the following general formula (2):{'br': None, 'sup': 21', '22', '23, 'sub': p', {'sub2': '21'}, '21', '22', 'p', {'sub2': '22'}], 'R—X—R—X—R\u2003\u2003(2)'}{'sup': 21', '23', '22, 'sub': 21', '22', '21', '22, 'wherein Rand Reach independently represent a hydrocarbon group, Rrepresents a hydrocarbon group, Xand Xeach independently represent a cyclohexane ring, a bicycloheptane ring, or a bicyclooctane ring, and pand peach independently represent an integer of 1 or more and 6 or less.'}4: The lubricating oil composition according to claim 3 , wherein in the general formula (2) claim 3 , Xand Xare each independently a cyclohexane ring claim 3 , a bicyclo[2.2.1]heptane ring claim 3 , a bicyclo[3.2.1]octane ring claim 3 , or a bicyclo[2.2.2]octane ring.5: The lubricating oil composition according to claim 3 , wherein in the general formula (2) claim 3 , Rand Reach independently represent an alkyl group or an alkenyl group claim 3 , and Rrepresents an alkylene group or an alkenylene group.6: The lubricating oil composition according to claim 3 , wherein in the general formula (2) claim 3 , Rand Reach independently represent ...
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