| 摘要 |
PURPOSE:To obtain the title additive having high lubricating properties, rolling properties and lubricating stability containing reaction product of polyalkylenepolyamine, etc., and aliphatic carboxylic acid, etc., and sulfonic acid salt of specific organic compound, etc. CONSTITUTION:(A) A reaction product of (i) 3-200N polyalkylenepolyamine or polyalkyleneimine and (ii) at least one selected from aliphatic carboxylic acid, dimeric acid or polymeric acid of aliphatic unsaturated acid, glycidyl ether of aliphatic alcohol or alkylphenol and epoxy compound of aliphatic olefin and (B) a salt neutralized by sulfonic acid (ester) of a organic compound having aliphatic or aromatic group are contained in the aimed additive as an essential ingredient. |
