LUBRICANT BASE OIL AND LUBRICANT COMPOSITION
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United States of America
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Jan 30, 2025
app pub date -
Dec 9, 2022
filing date -
Dec 9, 2022
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Abstract
A lubricant base oil for use in the preparation of a cooling lubricant composition, may have a % CP of 60 or more, and the dynamic viscosity at 40° C. is less than 3 mm2/s. Such a lubricant base oil may include a base oil (A) having % Cp of 60 or more and a kinematic viscosity at 40° C. of less than 3 mm2/s, the base oil (A) being 80% by mass or more of the total lubricant base oil mass. Such a lubricant base oil may further include a base oil (B) that is different from the base oil (A), in a range of from 1 to 20% by mass of the total lubricant base oil mass. The base oil (A) may be an isoparaffin-based base oil. Such a lubricant base oil may have a % CN of 21 or less. A cooling lubricant composition may include such a lubricant base oil.
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