Grease composition for lubricating resins and electric power steering device
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United States of America Patent
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Feb 16, 2021
Grant Date -
Dec 21, 2017
app pub date -
Dec 28, 2015
filing date -
Dec 26, 2014
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Abstract
The invention provides a grease composition for lubricating resins which contains a base oil, a diurea compound represented by formula (I) as a thickener: R1—NHCONH—R2—NHCONH—R3 (I) (wherein R2 represents a bivalent aromatic hydrocarbon group having 6 to 15 carbon atoms, and R1 and R3 each independently represent a straight-chain or branched alkyl group having 8 to 22 carbon atoms), and a chained hydrocarbon polymer having a weight-average molecular weight of 20,000 to 300,000.
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