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US 11,421,171 B2Granted
Lubricating base oil for fluid dynamic bearing
AssigneeNew Japan Chemical Co., Ltd.
InventorsYumi Mandai, Hirotsugu Mochida, Meguru Sugiyama
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Abstract
An object of the present invention is to provide an ester-based lubricating base oil for a fluid bearing that has a high viscosity index and excellent evaporation resistance, hydrolytic stability, and low-temperature fluidity. The present invention relates to a lubricating base oil for a fluid bearing containing a compound represented by general formula (1): wherein R1 represents a linear C2-C16 alkyl group, m represents an integer of 2 to 10, and n represents an integer of 4 to 14.
Claims6
A lubricating base oil comprising a compound represented by general formula (1):
- wherein R1 represents a linear C2-C16 alkyl group, m represents an integer of 2 to 10, and n represents an integer of 4 to 14.
Dependencies are inferred from the claim text.