Lubricant composition, bearing apparatus, sliding member and triazine-ring compound
申请人:Negoro Masayuki
公开号:US20070054814A1
公开(公告)日:2007-03-08
The novel lubricant composition is disclosed. The composition comprises at least one compound, exhibiting a minimum friction coefficient under a pressure equal to or greater than 10 MPa with the increase of a pressure and a viscosity-pressure coefficient equal to or less than 20 GPa
−1
at 40° C., represented by a formula (1).
In the formula, Y and Z respectively represent a single bond or a bivalent linking group selected from the group consisting of NRa where Ra is a hydrogen atom or a C
1-30
alkyl group, oxygen, sulfur, carbonyl, sulfonyl and any combinations thereof; A and B respectively represent a substituted or non-substituted, alkyl group, alkenyl group, alkynyl group, aryl group or heterocyclic group; T is —S—R
1
, —O—R
2
or —NR
3
R
4
; and R
1
, R
2
, R
3
and R
4
respectively represent a substituted or non-substituted, alkyl group, alkenyl group, alkynyl group, aryl group or heterocyclic group.
揭示了一种新型润滑剂组合物。该组合物包括至少一种化合物,其在压力等于或大于10 MPa时,随着压力的增加,具有最小摩擦系数,并且在40°C时,具有粘度-压力系数等于或小于20 GPa−1,由公式(1)表示。在该公式中,Y和Z分别表示从NRa组成的羟基或二价连接基团,其中Ra是氢原子或C1-30烷基基团,氧,硫,羰基,磺酰基和它们的任何组合中选择的单键;A和B分别表示取代或非取代的烷基基团,烯基基团,炔基基团,芳基或杂环基团;T为—S—R1,—O—R2或—NR3R4;R1,R2,R3和R4分别表示取代或非取代的烷基基团,烯基基团,炔基基团,芳基或杂环基团。