IMPREGNATING OIL COMPOSITION FOR SINTERED BEARING, BEARING APPARATUS AND SLIDING MEMBER
申请人:Negoro Masayuki
公开号:US20090118146A1
公开(公告)日:2009-05-07
The novel impregnating oil composition for a sintered bearing is disclosed. The composition comprises a base oil, at least one compound represented by a formula (1).
In the formula, D represents an m-valent cyclic group capable of binding to “m” of —X—R; each X represents a single bond or a bivalent linking group selected from the group consisting of NR
1
, where R
1
is a hydrogen atom or a C
1-30
alkyl group, oxygen, sulfur, carbonyl, sulfonyl and any combinations thereof; each R represents a substituted or non-substituted, alkyl group, alkenyl group, alkynyl group, aryl group or heterocyclic group, or a halogen atom, hydroxy, amino, mercapto, cyano, sulfide, carboxy or salt thereof, a sulfo or salt thereof, hydroxylamine, ureido or urethane; and m is an integer from 2 to 11.