LUBRICANT ADDITIVE COMPOSITION
    19.
    发明专利

    公开(公告)号:JP2002309277A

    公开(公告)日:2002-10-23

    申请号:JP2002015592

    申请日:2002-01-24

    申请人: ROHM & HAAS

    摘要: PROBLEM TO BE SOLVED: To provide a phosphorus-free, ashless oil-soluble additive which takes the place of a zinc dialkyldithiophosphate. SOLUTION: The oil-soluble lubricant additive composition comprises (a) at least one compound having the formula (wherein R , R , R , and R are independently hydrogen, alkyl, alkenyl, aryl or aralkyl; or R and R , or R and R combine with the carbon atom to which they are attached to form an alkyl or alkenyl ring); and (b) an acid having the formula: RCO2 H (wherein R is 1-25C alkyl, 2-25C alkenyl, 2-25C alkynyl, 5-25C aryl or 5-25C aralkyl).