申请人:——
公开号:US20020137638A1
公开(公告)日:2002-09-26
An oil-soluble lubricant additive composition comprising:
(a) at least one compound of formula I:
1
wherein R
1
, R
2
, R
3
and R
4
are independently hydrogen, alkyl, alkenyl, aryl or aralkyl; or R
1
and R
2
, or R
3
and R
4
, combine with the carbon atom to which they are attached to form an alkyl or alkenyl ring; and (b) an acid having the formula RCO
2
H, wherein R is C
1
-C
25
alkyl, C
2
-C
25
alkenyl, C
2
-C
25
alkynyl, C
5
-C
25
aryl or C
5
-C
25
aralkyl.
一种油溶性润滑剂添加剂组合物,包括:(a) 至少一种式子I的化合物:其中R1、R2、R3和R4分别为氢、烷基、烯基、芳基或芳基烷基;或者R1和R2,或者R3和R4与它们所连接的碳原子结合形成烷基或烯基环;以及(b) 公式为RCO2H的酸,其中R为C1-C25烷基、C2-C25烯基、C2-C25炔基、C5-C25芳基或C5-C25芳基烷基。