CLOGGING INHIBITOR FOR OIL FILTERS, METHOD FOR INHIBITING THE CLOGGING OF OIL FILTERS AND ENGINE OIL COMPOSITIONS CONTAINING THE INHIBITOR
申请人:NEW JAPAN CHEMICAL CO.,LTD.
公开号:EP1205535A1
公开(公告)日:2002-05-15
Disclosed are an agent for preventing clogging of oil filters for various internal combustion engines, the agent comprising at least one hydroxyl-containing component selected from the group consisting of:
compounds represented by the formula (1)
R1O― (R2O) m―H (1)
wherein R1 is hydrogen or C1 to C8 alkyl, R2 is C2 to C10 alkylene, m is an integer of 1 to 10, and when m is 2 or more, the two or more R2 groups may be the same or different; and
compounds represented by the formula (2)
wherein R3 is C2 to C4 alkylene, R4 is hydrogen or C1 to C10 alkyl, n is an integer of 0 to 8, and when n is 2 or more, the two or more R3 groups may be the same or different; a method for preventing oil filter clogging using the oil filter clogging preventing agent, and an engine oil composition containing the oil filter clogging preventing agent.
本发明公开了一种用于防止各种内燃机滤油器堵塞的药剂,该药剂包含至少一种含羟基的成分,该成分选自由以下组成的组:
由式 (1) 代表的化合物
R1O- (R2O) m-H (1)
其中 R1 为氢或 C1 至 C8 烷基,R2 为 C2 至 C10 亚烷基,m 为 1 至 10 的整数,当 m 为 2 或更大时,两个或多个 R2 基团可以相同或不同;以及
式 (2) 所代表的化合物
其中 R3 为 C2 至 C4 亚烷基,R4 为氢或 C1 至 C10 烷基,n 为 0 至 8 的整数,当 n 为 2 或更多时,两个或多个 R3 基团可以相同或不同;使用机油滤清器堵塞防止剂防止机油滤清器堵塞的方法,以及含有机油滤清器堵塞防止剂的发动机油组合物。