| 摘要 |
PROBLEM TO BE SOLVED: To provide a lubricating oil composition for marine crosshead diesel engine. SOLUTION: The use of oil-soluble hydrocarbylphenol aldehyde condensate as a wearing resistant agent in a lubricant oil composition. The oil-soluble hydrocarbylphenol aldehyde condensate has the following structural formula [wherein n is 0 to 10, preferably 1 to 8, more preferably 3 to 5; Y is a divalent crosslinking group, preferably a hydrocarbyl group (preferably bearing 1 to 4 C) and R is a 4 to 30C, preferably 8 to 18C, most preferably 9 to 15 C hydrocarbyl]. COPYRIGHT: (C)2006,JPO&NCIPI |
