Provided is a grease composition which contains (A) a mixed base oil containing (A1) a low-viscosity base oil having a kinematic viscosity at 40° C. of 10 to 50 mm.sup.2/s and (A2) a high-viscosity base oil having a kinematic viscosity at 40° C. of 200 to 700 mm.sup.2/s, (B) a lithium-based thickener and (C) a polymer having a kinematic viscosity at 100° C. of 1,000 to 100,000 mm.sup.2/s, and has an apparent viscosity at −10° C., as measured according to JIS K2220:2013 and at a shear rate of 10 s.sup.−1, of 50 to 250 mPa.Math.s. The grease composition is excellent in pumpability and is also excellent in wear resistance under poor lubrication conditions.

Provided is a grease composition which contains (A) a mixed base oil containing (A1) a low-viscosity base oil having a kinematic viscosity at 40° C. of 10 to 50 mm.sup.2/s and (A2) a high-viscosity base oil having a kinematic viscosity at 40° C. of 200 to 700 mm.sup.2/s, (B) a lithium-based thickener and (C) a polymer having a kinematic viscosity at 100° C. of 1,000 to 100,000 mm.sup.2/s, and has an apparent viscosity at −10° C., as measured according to JIS K2220:2013 and at a shear rate of 10 s.sup.−1, of 50 to 250 mPa.Math.s. The grease composition is excellent in pumpability and is also excellent in wear resistance under poor lubrication conditions.

The present invention provides a grease composition to be used for lubrication between resin-made members or lubrication between a resin-made member and a member made from another material. With respect to the total mass of the composition, more than 0.5 mass % but less than 7.5 mass% of a solid organic molybdenum compound is contained.

The present invention provides a grease composition to be used for lubrication between resin-made members or lubrication between a resin-made member and a member made from another material. With respect to the total mass of the composition, more than 0.5 mass % but less than 7.5 mass% of a solid organic molybdenum compound is contained.

The present disclosure provides a detergent additives and methods for preparing a sulfurized alkyl phenate product to achieve a high sulfurization ratio and low levels of un-sulfurized alkyl phenols.

The present disclosure provides a lubricating composition or grease and methods of making and using the same. The lubricating composition or grease includes a sulfonated lignin and a lubricant comprising a soap thickener and a base oil.

A lubricant composition with improved stability and tolerance for water hardness comprises a synthetic wax emulsion; an amine derivative; an emulsifier; and a sequestrant. The synthetic wax emulsion may include poly(ethyleneoxide)-based or poly(propyleneoxide)-based wax emulsions. The amine derivative may include alkyl C.sub.12-C.sub.14 oxy propyl diamine. The lubricant composition can be used for lubricating the passage of a container along a conveyor. The method includes applying the lubricant composition to at least a part of the container or the conveyor in an application cycle, where the application cycle includes a first period of time of dispensing the lubricant composition and a second period of time of not dispensing the lubricant composition.

The purpose of the present invention is to provide organometallic salt compositions, prepared by the present innovative method, to produce such compositions that are useful as lubricant additives and/or in lubricant additive compositions, to reduce friction and wear, and also have improved solubility, stability and significantly reduced tendency to agglomerate or form sediments.

A mixed powder for powder metallurgy comprises: an iron-based powder; and a lubricant, wherein the lubricant consists of a low-melting-point lubricant having a melting point of 86° C. or less and a high-melting-point lubricant having a melting point of more than 86° C., the low-melting-point lubricant has at least one of an amide group, an ester group, an amino group, and a carboxyl group, a ratio R1 of the low-melting-point lubricant to whole of the lubricant is 5 mass % or more and less than 90 mass %, a ratio R2 of a mass of a free lubricant to a mass of a binding lubricant is 0 or more and 15 or less, and an amount R3 of the low-melting-point lubricant contained as the free lubricant is less than 0.10 parts by mass with respect to 100 parts by mass of the iron-based powder.

Provided are an electroviscous fluid exhibiting a high ER effect and having sufficient durability, and a cylinder device. An electroviscous fluid of the present invention includes a fluid and polyurethane particles containing metal ions. The polyurethane particles have a phase separation structure of a hard segment and a soft segment, and contain an additive increasing a urethane bond forming the hard segment.