Document Type and Number:
Japanese Patent JPWO2022145462
Kind Code:
A1
Abstract:
Aproblem to be solved to provide a lubricating oil additive composition that is suitable as a load bearing additive, and is excellent in wear resistance, extreme pressure property, and thermal stability, and a lubricating oil composition containing the lubricating oil additive composition. The problem is solved by a lubricating oil additive composition containing a poly(meth)acrylate-based copolymer (X) containing a structural unit (a) derived from a particular alkyl (meth)acrylate (A), a structural unit (b) derived from a particular hydroxy group-containing (meth)acrylate (B), and a structural unit (c) derived from a particular phosphorus-containing (meth)acrylate (C).
Application Number:
JP2022506193A
Publication Date:
July 07, 2022
Filing Date:
December 28, 2021
Export Citation:
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