LUBRICATION OIL ADDITIVE AND METHOD FOR MANUFACTURING SAME, AND LUBRICATION OIL COMPOSITION USING SAME
申请人:IDEMITSU KOSAN CO., LTD.
公开号:US20170198232A1
公开(公告)日:2017-07-13
Through a lubricating oil additive including an amide compound represented by the following general formula (1) and a lubricating oil composition using the same, a lubricating oil additive and a lubricating oil composition exhibiting not only a high intermetal friction coefficient but also excellent intermetal friction-coefficient/slipping-velocity characteristics are provided.
R
a
—CO—(NH-L
1
)
n
-NR
b
R
c
(1)
In the formula, R
a
is a straight-chain alkyl group having 8 to 22 carbon atoms or a branched-chain alkyl group having 8 to 22 carbon atoms, or a straight-chain alkenyl group having 8 to 22 carbon atoms or a branched-chain alkenyl group having 8 to 22 carbon atoms; L
1
is an alkylene group having 1 to 6 carbon atoms; n is an integer of 1 to 4; and —NR
b
R
c
is a primary amino group or a piperazyl group.
The invention comprises compounds, methods of making, and methods of using. The compounds may have a backbone and three appended functional groups: one lipid, one hydrophilic polymer, and one carbohydrate. Specific functional groups may be selected for specific applications in formulating pharmaceuticals, cosmetics, nutriceuticals, and the like. A variety of linkers between the backbone and functional groups may also be selected to optimize performance.
EMULSIFIERS FOR INVERT EMULSION WELLBORE FLUIDS AND METHODS OF USE THEREOF
申请人:M-I L.L.C.
公开号:US20170283680A1
公开(公告)日:2017-10-05
A wellbore fluid may include an oleaginous external phase, a non-oleaginous internal phase and a reaction product of a capping agent with a base emulfisifer, the base emulsifier being a reaction product of a fatty acid and a hydrophilic compound having at least two reactive hydrophilic functional groups, the capping agent being selected from the group consisting of a polycarboxylic acid, anhydride, urea, isocyanate, alpha-halocarboxylic acid, oxirane, cyclic diester, and cyclic sulfonate ester.